v1.7.1: fix switch tema light/dark

Il selettore Impostazioni > Tema salvava il valore ma nessuno applicava
data-theme al <html>, e mancavano gli override CSS per il tema chiaro.
Aggiunte custom properties light + applyTheme() su init/change/save.

api/bridge.py

@@ -123,6 +123,7 @@ class Api:
             "config": safe_cfg,
             "spotify_guide": SPOTIFY_GUIDE_TEXT,
             "license": license_status,
+            "plan": license_mod.get_plan(cfg),
             "purchase_url": "https://musictools.djluza.com",
         }
 
@@ -181,6 +182,63 @@ class Api:
         webbrowser.open("https://musictools.djluza.com")
         return {"ok": True}
 
+    # ------------------------------------------------------------------
+    # Quota giornaliera
+    # ------------------------------------------------------------------
+    def get_quota_status(self) -> dict:
+        """Ritorna lo stato quota corrente (lettura senza incremento)."""
+        try:
+            data = license_mod.get_quota_status()
+            return {"ok": True, "quota": data}
+        except license_mod.LicenseNetworkError as e:
+            return {"ok": False, "offline": True, "error": str(e)}
+        except license_mod.LicenseError as e:
+            return {"ok": False, "error": str(e)}
+
+    def _gate(self, feature: str) -> Optional[dict]:
+        """Verifica feature + quota prima di un'azione.
+
+        Ritorna None se l'azione e' permessa; altrimenti un dict di
+        errore pronto per la UI (con eventuale info quota per il modal
+        "limite raggiunto").
+        """
+        # 1) Feature gate locale (dai claims JWT in config)
+        if not license_mod.has_feature(feature):
+            plan = license_mod.get_plan()
+            plan_name = plan.get("name") or "il tuo piano"
+            return {
+                "ok": False,
+                "reason": "feature_not_in_plan",
+                "feature": feature,
+                "error": (
+                    f"Questa funzione non e' inclusa in {plan_name}. "
+                    "Passa a un piano superiore per sbloccarla."
+                ),
+                "plan": plan,
+            }
+        # 2) Quota gate server-side
+        try:
+            res = license_mod.consume_quota(feature)
+        except license_mod.LicenseNetworkError as e:
+            return {
+                "ok": False, "reason": "offline", "offline": True,
+                "error": f"Impossibile contattare il server: {e}",
+            }
+        except license_mod.LicenseError as e:
+            return {"ok": False, "reason": "license_invalid", "error": str(e)}
+
+        if not res.get("allowed", True):
+            return {
+                "ok": False,
+                "reason": "quota_exceeded",
+                "feature": feature,
+                "error": res.get("error") or "Limite giornaliero raggiunto.",
+                "quota": res,
+            }
+        # OK: notifico la UI dello stato quota aggiornato
+        self._emit("quota:update", res)
+        return None
+
     def check_update(self) -> dict:
         """Controlla aggiornamenti interrogando l'API djluza.com.
 
@@ -326,6 +384,10 @@ class Api:
         if not os.path.exists(path):
             return {"ok": False, "error": "File non trovato"}
 
+        gate = self._gate("metadata")
+        if gate:
+            return gate
+
         data = payload.get("data") or {}
         cover_path = (payload.get("cover_path") or "").strip() or None
         remove_cover = bool(payload.get("remove_cover", False))
@@ -360,6 +422,10 @@ class Api:
         if not filename.lower().endswith(".mp3"):
             filename += ".mp3"
 
+        gate = self._gate("record")
+        if gate:
+            return gate
+
         out_path = os.path.join(output_dir, filename)
 
         def cb(status, payload_evt):
@@ -412,6 +478,10 @@ class Api:
         if not output_dir:
             return {"ok": False, "error": "Cartella output non impostata"}
 
+        gate = self._gate("audio")
+        if gate:
+            return gate
+
         self._download_thread = threading.Thread(
             target=self._download_worker,
             args=(list(urls), output_dir),
@@ -441,6 +511,10 @@ class Api:
             if safe:
                 output_dir = os.path.join(output_dir, safe)
 
+        gate = self._gate("audio")
+        if gate:
+            return gate
+
         self._download_thread = threading.Thread(
             target=self._tracks_worker,
             args=(list(tracks), output_dir),
@@ -627,6 +701,10 @@ class Api:
         if not directory:
             return {"ok": False, "error": "Cartella non impostata"}
 
+        gate = self._gate("upgrade")
+        if gate:
+            return gate
+
         cfg = load_config()
         cookies_path = cfg.get("cookies_path", "")
 
@@ -700,6 +778,11 @@ class Api:
         if not output_dir:
             return {"ok": False, "error": "Cartella output non impostata"}
 
+        # Anche "audio_only" video count come video: usa codec/yt-dlp diversi
+        gate = self._gate("video")
+        if gate:
+            return gate
+
         self._video_thread = threading.Thread(
             target=self._video_worker,
             args=(list(urls), output_dir, quality, audio_only),

assets/generate_logo.py

@@ -0,0 +1,146 @@
+"""Genera i loghi brand MusicTools partendo dall'icona master.
+
+Produce:
+  - logo_mark.png                1024x1024   solo squircle + nota, bg trasparente
+  - logo_horizontal_dark.png     2400x720    mark + "MusicTools" testo bianco (per bg scuri)
+  - logo_horizontal_light.png    2400x720    mark + "MusicTools" testo nero  (per bg chiari)
+  - logo_stacked.png             1280x1600   mark sopra + testo sotto, bianco (per bg scuri)
+
+Lo squircle riuso quello generato da generate_icon.py (assets/icon.png),
+cosi' resta coerente con l'icona dell'app.
+"""
+
+from __future__ import annotations
+
+from pathlib import Path
+from PIL import Image, ImageDraw, ImageFilter, ImageFont
+
+HERE = Path(__file__).resolve().parent
+ICON_PATH = HERE / "icon.png"
+
+ARIAL_BLACK = "/System/Library/Fonts/Supplemental/Arial Black.ttf"
+ARIAL_BOLD = "/System/Library/Fonts/Supplemental/Arial Bold.ttf"
+
+WHITE = (255, 255, 255)
+BLACK = (10, 10, 10)
+
+
+def font(size: int, *, black: bool = True) -> ImageFont.FreeTypeFont:
+    path = ARIAL_BLACK if black else ARIAL_BOLD
+    try:
+        return ImageFont.truetype(path, size)
+    except OSError:
+        return ImageFont.load_default()
+
+
+def load_mark(target_size: int) -> Image.Image:
+    """Carica l'icona master e la riscala alla dimensione richiesta.
+
+    L'icona originale ha sfondo trasparente fuori dallo squircle
+    (vedi generate_icon.py), quindi va bene per overlay su qualunque bg.
+    """
+    if not ICON_PATH.exists():
+        raise FileNotFoundError(
+            f"icon.png non trovata: rilancia prima 'python3 assets/generate_icon.py'"
+        )
+    icon = Image.open(ICON_PATH).convert("RGBA")
+    if icon.size != (target_size, target_size):
+        icon = icon.resize((target_size, target_size), Image.LANCZOS)
+    return icon
+
+
+def measure_text(text: str, f: ImageFont.FreeTypeFont) -> tuple[int, int]:
+    """Ritorna (larghezza, altezza) effettiva del testo."""
+    bbox = f.getbbox(text)
+    return bbox[2] - bbox[0], bbox[3] - bbox[1]
+
+
+def draw_text_top_left(canvas: Image.Image, text: str, top_left: tuple[int, int],
+                       f: ImageFont.FreeTypeFont, color: tuple) -> None:
+    """Disegna testo con angolo top-left = top_left (compensa font bbox)."""
+    draw = ImageDraw.Draw(canvas, "RGBA")
+    bbox = f.getbbox(text)
+    x = top_left[0] - bbox[0]
+    y = top_left[1] - bbox[1]
+    draw.text((x, y), text, font=f, fill=(*color, 255))
+
+
+def make_mark(path: Path) -> None:
+    mark = load_mark(1024)
+    mark.save(path, "PNG", optimize=True)
+    print(f"[ok] mark -> {path}")
+
+
+def make_horizontal(path: Path, text_color: tuple) -> None:
+    """Layout: mark a sinistra + testo. Canvas si autodimensiona al testo."""
+    H = 720
+    mark_size = int(H * 0.92)
+    pad_left = 60
+    gap = 70
+    pad_right = 80
+
+    text = "MusicTools"
+    f = font(260, black=True)
+    tw, th = measure_text(text, f)
+
+    W = pad_left + mark_size + gap + tw + pad_right
+
+    canvas = Image.new("RGBA", (W, H), (0, 0, 0, 0))
+
+    # Mark a sinistra, centrato verticalmente
+    mark = load_mark(mark_size)
+    mark_y = (H - mark_size) // 2
+    canvas.alpha_composite(mark, (pad_left, mark_y))
+
+    # Testo allineato top-left calcolato in modo che la sua baseline
+    # sia visivamente centrata sull'altezza dello squircle.
+    text_x = pad_left + mark_size + gap
+    text_y = (H - th) // 2
+    draw_text_top_left(canvas, text, (text_x, text_y), f, text_color)
+
+    canvas.save(path, "PNG", optimize=True)
+    name = "dark" if text_color == WHITE else "light"
+    print(f"[ok] horizontal ({name}) -> {path}  [{W}x{H}]")
+
+
+def make_stacked(path: Path, text_color: tuple) -> None:
+    """Mark sopra + 'MusicTools' sotto. Canvas autodimensionato al testo."""
+    mark_size = 1024
+    f = font(180, black=True)
+    text = "MusicTools"
+    tw, th = measure_text(text, f)
+
+    pad = 80
+    gap = 50
+    W = max(mark_size, tw) + 2 * pad
+    H = pad + mark_size + gap + th + pad
+
+    canvas = Image.new("RGBA", (W, H), (0, 0, 0, 0))
+
+    mark = load_mark(mark_size)
+    mark_x = (W - mark_size) // 2
+    canvas.alpha_composite(mark, (mark_x, pad))
+
+    text_x = (W - tw) // 2
+    text_y = pad + mark_size + gap
+    draw_text_top_left(canvas, text, (text_x, text_y), f, text_color)
+
+    canvas.save(path, "PNG", optimize=True)
+    name = "dark" if text_color == WHITE else "light"
+    print(f"[ok] stacked ({name}) -> {path}  [{W}x{H}]")
+
+
+def main() -> None:
+    make_mark(HERE / "logo_mark.png")
+    make_horizontal(HERE / "logo_horizontal_dark.png", WHITE)   # per sfondi scuri
+    make_horizontal(HERE / "logo_horizontal_light.png", BLACK)  # per sfondi chiari
+    make_stacked(HERE / "logo_stacked_dark.png", WHITE)         # per sfondi scuri
+    make_stacked(HERE / "logo_stacked_light.png", BLACK)        # per sfondi chiari
+    # rimuovo eventuale vecchio file senza suffisso
+    old = HERE / "logo_stacked.png"
+    if old.exists():
+        old.unlink()
+
+
+if __name__ == "__main__":
+    main()

assets/generate_ls_images.py

@@ -0,0 +1,296 @@
+"""Genera le immagini prodotto per Lemon Squeezy.
+
+Produce:
+  - ls_thumbnail.png    1024x1024  (thumbnail prodotto + checkout)
+  - ls_cover.png        1920x1080  (cover/hero per la pagina prodotto)
+  - ls_og.png           1200x630   (Open Graph per social share)
+
+La nota musicale e' disegnata geometricamente (no glyph Unicode)
+per essere indipendente dai font installati sul sistema.
+"""
+
+from __future__ import annotations
+
+import math
+from pathlib import Path
+from PIL import Image, ImageDraw, ImageFilter, ImageFont
+
+OUT_DIR = Path(__file__).resolve().parent
+
+GREEN_LIGHT = (29, 185, 84)
+GREEN_DARK = (19, 122, 55)
+BG_TOP = (10, 50, 26)
+BG_BOTTOM = (6, 6, 6)
+WHITE = (255, 255, 255)
+MUTED = (190, 190, 190)
+
+ARIAL_BOLD = "/System/Library/Fonts/Supplemental/Arial Bold.ttf"
+ARIAL_BLACK = "/System/Library/Fonts/Supplemental/Arial Black.ttf"
+ARIAL_REG = "/System/Library/Fonts/Supplemental/Arial.ttf"
+
+
+def font(size: int, *, black: bool = False, bold: bool = True) -> ImageFont.FreeTypeFont:
+    path = ARIAL_BLACK if black else (ARIAL_BOLD if bold else ARIAL_REG)
+    try:
+        return ImageFont.truetype(path, size)
+    except OSError:
+        return ImageFont.load_default()
+
+
+def vgradient(size: tuple[int, int], top: tuple, bottom: tuple) -> Image.Image:
+    """Gradient verticale tra due colori (RGB)."""
+    w, h = size
+    img = Image.new("RGB", size, top)
+    px = img.load()
+    for y in range(h):
+        t = y / max(h - 1, 1)
+        r = int(top[0] + (bottom[0] - top[0]) * t)
+        g = int(top[1] + (bottom[1] - top[1]) * t)
+        b = int(top[2] + (bottom[2] - top[2]) * t)
+        for x in range(w):
+            px[x, y] = (r, g, b)
+    return img
+
+
+def radial_glow(size: tuple[int, int], center: tuple[int, int],
+                radius: int, color: tuple, opacity: int = 90) -> Image.Image:
+    """Glow radiale soft (RGBA)."""
+    glow = Image.new("RGBA", size, (0, 0, 0, 0))
+    draw = ImageDraw.Draw(glow)
+    cx, cy = center
+    draw.ellipse(
+        [cx - radius, cy - radius, cx + radius, cy + radius],
+        fill=(*color, opacity),
+    )
+    return glow.filter(ImageFilter.GaussianBlur(radius // 3))
+
+
+def draw_text_centered(canvas: Image.Image, text: str, center: tuple[int, int],
+                       size_px: int, color=WHITE, *, black: bool = True,
+                       bold: bool = True) -> None:
+    draw = ImageDraw.Draw(canvas, "RGBA")
+    f = font(size_px, black=black, bold=bold)
+    bbox = draw.textbbox((0, 0), text, font=f)
+    tw, th = bbox[2] - bbox[0], bbox[3] - bbox[1]
+    x = center[0] - tw // 2 - bbox[0]
+    y = center[1] - th // 2 - bbox[1]
+    draw.text((x, y), text, font=f, fill=(*color, 255))
+
+
+def draw_text_left(canvas: Image.Image, text: str, anchor: tuple[int, int],
+                   size_px: int, color=WHITE, *, black: bool = True,
+                   bold: bool = True) -> None:
+    """Disegna testo allineato a sinistra (anchor = baseline-left)."""
+    draw = ImageDraw.Draw(canvas, "RGBA")
+    f = font(size_px, black=black, bold=bold)
+    bbox = draw.textbbox(anchor, text, font=f)
+    draw.text(anchor, text, font=f, fill=(*color, 255))
+
+
+def draw_pill(canvas: Image.Image, center: tuple[int, int], text: str,
+              pad_x: int, pad_y: int, font_size: int,
+              fill=(255, 255, 255, 30), text_color=WHITE,
+              *, bold: bool = True) -> None:
+    draw = ImageDraw.Draw(canvas, "RGBA")
+    f = font(font_size, bold=bold, black=False)
+    bbox = draw.textbbox((0, 0), text, font=f)
+    tw, th = bbox[2] - bbox[0], bbox[3] - bbox[1]
+    pill_w = tw + 2 * pad_x
+    pill_h = th + 2 * pad_y
+    x0 = center[0] - pill_w // 2
+    y0 = center[1] - pill_h // 2
+    draw.rounded_rectangle(
+        [x0, y0, x0 + pill_w, y0 + pill_h],
+        radius=pill_h // 2,
+        fill=fill,
+    )
+    tx = center[0] - tw // 2 - bbox[0]
+    ty = center[1] - th // 2 - bbox[1]
+    draw.text((tx, ty), text, font=f, fill=(*text_color, 255))
+
+
+def draw_music_note(canvas: Image.Image, center: tuple[int, int],
+                    size_px: int, color=WHITE) -> None:
+    """Disegna una nota musicale stilizzata (due crome connesse).
+
+    Geometria approssimativa:
+      - 2 teste ellittiche (sinistra e destra)
+      - 2 aste verticali sottili
+      - barra orizzontale curva in alto che le connette
+    Tutto scalato in funzione di size_px (larghezza disegno).
+    """
+    cx, cy = center
+    W = size_px
+    head_w = int(W * 0.30)        # larghezza testa
+    head_h = int(head_w * 0.74)   # altezza testa (ovale schiacciata)
+    stem_w = max(int(W * 0.035), 6)
+    stem_h = int(W * 0.78)
+    spacing = int(W * 0.40)       # distanza tra le 2 aste
+
+    layer = Image.new("RGBA", canvas.size, (0, 0, 0, 0))
+    d = ImageDraw.Draw(layer)
+
+    # Posizioni delle 2 aste
+    left_stem_x = cx - spacing // 2
+    right_stem_x = cx + spacing // 2
+
+    top_y = cy - stem_h // 2
+    bot_y = cy + stem_h // 2
+
+    # Aste (rettangoli verticali)
+    d.rounded_rectangle(
+        [left_stem_x - stem_w // 2, top_y, left_stem_x + stem_w // 2, bot_y],
+        radius=stem_w // 2, fill=color + (255,),
+    )
+    d.rounded_rectangle(
+        [right_stem_x - stem_w // 2, top_y, right_stem_x + stem_w // 2, bot_y],
+        radius=stem_w // 2, fill=color + (255,),
+    )
+
+    # Barra orizzontale spessa in alto che unisce le aste (ramo)
+    bar_thick = max(int(W * 0.09), 14)
+    d.rounded_rectangle(
+        [left_stem_x - stem_w // 2 - 4, top_y,
+         right_stem_x + stem_w // 2 + 4, top_y + bar_thick],
+        radius=bar_thick // 3, fill=color + (255,),
+    )
+    # Seconda barra subito sotto (la nota doppia ha sempre 2 ramificazioni)
+    second_bar_y = top_y + int(bar_thick * 1.6)
+    d.rounded_rectangle(
+        [left_stem_x - stem_w // 2 - 4, second_bar_y,
+         right_stem_x + stem_w // 2 + 4, second_bar_y + int(bar_thick * 0.7)],
+        radius=bar_thick // 3, fill=color + (255,),
+    )
+
+    # Teste ellittiche: in basso, leggermente a sinistra dell'asta (inclinate)
+    def head_at(stem_x: int) -> None:
+        # Centro testa: poco sotto al fondo dell'asta, leggermente a sinistra
+        hx = stem_x - int(head_w * 0.42)
+        hy = bot_y - int(head_h * 0.20)
+        # Disegnata su layer rotato per dare l'inclinazione
+        tmp = Image.new("RGBA", (head_w + 40, head_h + 40), (0, 0, 0, 0))
+        td = ImageDraw.Draw(tmp)
+        td.ellipse([10, 10, 10 + head_w, 10 + head_h], fill=color + (255,))
+        rotated = tmp.rotate(-22, resample=Image.BICUBIC, expand=True)
+        rw, rh = rotated.size
+        layer.alpha_composite(rotated, (hx - rw // 2 + head_w // 2, hy - rh // 2 + head_h // 2))
+
+    head_at(left_stem_x)
+    head_at(right_stem_x)
+
+    # Glow morbido sotto la nota per profondita'
+    glow_src = layer.filter(ImageFilter.GaussianBlur(W // 22))
+    # Riduco un po' l'alpha del glow
+    alpha = glow_src.split()[3].point(lambda a: int(a * 0.45))
+    glow = Image.merge("RGBA", (*glow_src.split()[:3], alpha))
+    canvas.alpha_composite(glow)
+    canvas.alpha_composite(layer)
+
+
+# ============================================================
+# Thumbnail 1024x1024
+# ============================================================
+def make_thumbnail(path: Path) -> None:
+    W = H = 1024
+    img = vgradient((W, H), BG_TOP, BG_BOTTOM).convert("RGBA")
+    img.alpha_composite(radial_glow((W, H), (W // 2, H // 2 - 80), 430, GREEN_LIGHT, 100))
+
+    # Eyebrow in cima (testo semplice, no pill)
+    draw_text_centered(img, "DESKTOP APP - MAC e WINDOWS", (W // 2, 165),
+                       size_px=30, color=GREEN_LIGHT, black=False, bold=True)
+
+    # Nota geometrica centrale
+    draw_music_note(img, (W // 2, H // 2 - 40), 360, color=WHITE)
+
+    # Titolo grande
+    draw_text_centered(img, "MusicTools", (W // 2, H - 280),
+                       size_px=110, color=WHITE, black=True)
+
+    # Tagline
+    draw_text_centered(img, "Scarica - Modifica - Registra", (W // 2, H - 195),
+                       size_px=38, color=MUTED, black=False, bold=True)
+
+    # Pill prezzo in basso
+    draw_pill(img, (W // 2, H - 100), "Licenza a vita 39,90 EUR",
+              pad_x=26, pad_y=14, font_size=30,
+              fill=GREEN_LIGHT + (255,), text_color=(10, 10, 10), bold=True)
+
+    img.convert("RGB").save(path, "PNG", optimize=True)
+    print(f"[ok] thumbnail -> {path}")
+
+
+# ============================================================
+# Cover/Hero 1920x1080
+# ============================================================
+def make_cover(path: Path) -> None:
+    W, H = 1920, 1080
+    img = vgradient((W, H), BG_TOP, BG_BOTTOM).convert("RGBA")
+    # Glow grosso a sinistra (zona del testo)
+    img.alpha_composite(radial_glow((W, H), (W // 3, H // 2), 640, GREEN_LIGHT, 85))
+    # Glow secondario a destra (zona nota)
+    img.alpha_composite(radial_glow((W, H), (int(W * 0.78), H // 2), 380, GREEN_LIGHT, 55))
+
+    LEFT_X = 140
+    # Eyebrow testo semplice
+    draw_text_left(img, "DESKTOP APP", (LEFT_X, 220),
+                   size_px=30, color=GREEN_LIGHT, black=False, bold=True)
+
+    # Heading 2 righe (sinistra)
+    draw_text_left(img, "La tua musica.", (LEFT_X, 310),
+                   size_px=120, color=WHITE, black=True)
+    draw_text_left(img, "In un'unica app.", (LEFT_X, 460),
+                   size_px=120, color=GREEN_LIGHT, black=True)
+
+    # Sub-tagline
+    draw_text_left(img, "Scarica da Spotify e YouTube.", (LEFT_X, 640),
+                   size_px=42, color=MUTED, black=False, bold=True)
+    draw_text_left(img, "Registra audio. Modifica metadati.", (LEFT_X, 700),
+                   size_px=42, color=MUTED, black=False, bold=True)
+
+    # Pill prezzo (sinistra, basso)
+    draw_pill(img, (LEFT_X + 320, H - 160), "Licenza a vita - 39,90 EUR",
+              pad_x=30, pad_y=18, font_size=40,
+              fill=GREEN_LIGHT + (255,), text_color=(10, 10, 10), bold=True)
+
+    # Nota grande a destra
+    draw_music_note(img, (int(W * 0.78), H // 2 - 20), 540, color=WHITE)
+
+    img.convert("RGB").save(path, "PNG", optimize=True)
+    print(f"[ok] cover -> {path}")
+
+
+# ============================================================
+# OG image 1200x630
+# ============================================================
+def make_og(path: Path) -> None:
+    W, H = 1200, 630
+    img = vgradient((W, H), BG_TOP, BG_BOTTOM).convert("RGBA")
+    img.alpha_composite(radial_glow((W, H), (W // 2, H // 2 - 50), 420, GREEN_LIGHT, 95))
+
+    # Nota in alto centro
+    draw_music_note(img, (W // 2, 180), 180, color=WHITE)
+
+    # Titolo
+    draw_text_centered(img, "MusicTools", (W // 2, 360),
+                       size_px=92, color=WHITE, black=True)
+    # Tagline
+    draw_text_centered(img, "Scarica - Modifica - Registra", (W // 2, 440),
+                       size_px=32, color=MUTED, black=False, bold=True)
+
+    # Pill prezzo in basso
+    draw_pill(img, (W // 2, H - 80), "Licenza a vita 39,90 EUR - Mac e Windows",
+              pad_x=24, pad_y=13, font_size=28,
+              fill=GREEN_LIGHT + (255,), text_color=(10, 10, 10), bold=True)
+
+    img.convert("RGB").save(path, "PNG", optimize=True)
+    print(f"[ok] og -> {path}")
+
+
+def main() -> None:
+    make_thumbnail(OUT_DIR / "ls_thumbnail.png")
+    make_cover(OUT_DIR / "ls_cover.png")
+    make_og(OUT_DIR / "ls_og.png")
+
+
+if __name__ == "__main__":
+    main()

core/config.py

@@ -5,7 +5,7 @@ import os
 import sys
 from pathlib import Path
 
-VERSION = "v1.6.0"
+VERSION = "v1.7.1"
 
 
 APP_NAME = "MusicTools"
@@ -77,6 +77,14 @@ DEFAULTS = {
     "license_activated_at": 0,  # epoch della prima attivazione
     "last_validated_at": 0,     # epoch dell'ultima revalidate online riuscita
     "device_id": "",            # UUID generato al primo avvio
+    # ---- Piano (snapshot dei claims JWT) ----
+    "plan_code": "",            # "basic" | "pro" | "premium" | "annual"
+    "plan_name": "",            # nome user-facing
+    "plan_features": [],        # ["audio", "video", "record", "metadata", "upgrade"]
+    "plan_daily_limit": None,   # None = unlimited (annual), altrimenti int
+    "plan_is_subscription": False,
+    "plan_expires_at": 0,       # solo per annual one-time
+    "plan_period_end": 0,       # solo per subscription mensili
 }
 
 

core/license.py

@@ -28,6 +28,7 @@ import json
 import platform
 import time
 import urllib.error
+import urllib.parse
 import urllib.request
 import uuid
 from typing import Optional
@@ -140,12 +141,42 @@ def _http_post(path: str, body: dict) -> dict:
 # ============================================================
 # API pubblica
 # ============================================================
+def _plan_snapshot(cfg: dict) -> dict:
+    """Estrae i dati del piano dal config (popolati da activate/validate)."""
+    code = (cfg.get("plan_code") or "").strip()
+    if not code:
+        return {}
+    return {
+        "code": code,
+        "name": (cfg.get("plan_name") or "").strip() or code.title(),
+        "features": list(cfg.get("plan_features") or []),
+        "daily_limit": cfg.get("plan_daily_limit"),  # puo' essere None
+        "is_subscription": bool(cfg.get("plan_is_subscription")),
+        "expires_at": int(cfg.get("plan_expires_at") or 0),
+        "period_end": int(cfg.get("plan_period_end") or 0),
+    }
+
+
+def has_feature(name: str, config: Optional[dict] = None) -> bool:
+    """True se il piano corrente include la feature richiesta."""
+    cfg = config or load_config()
+    plan = _plan_snapshot(cfg)
+    if not plan:
+        return False
+    return name in (plan.get("features") or [])
+
+
+def get_plan(config: Optional[dict] = None) -> dict:
+    """Ritorna il dict del piano corrente, oppure {} se non noto."""
+    return _plan_snapshot(config or load_config())
+
+
 def get_status(config: Optional[dict] = None) -> dict:
     """Ritorna lo stato corrente della licenza per la UI.
 
     Chiavi: licensed (bool), reason (str), email, key, activated_at,
     last_validated_at, days_since_validation, expires_soon (bool),
-    needs_revalidation (bool).
+    needs_revalidation (bool), plan (dict).
     """
     cfg = config or load_config()
     token = (cfg.get("license_token") or "").strip()
@@ -153,6 +184,7 @@ def get_status(config: Optional[dict] = None) -> dict:
     email = (cfg.get("license_email") or "").strip()
     activated = int(cfg.get("license_activated_at") or 0)
     last_val = int(cfg.get("last_validated_at") or 0)
+    plan = _plan_snapshot(cfg)
 
     if not token or not key:
         return {
@@ -164,9 +196,27 @@ def get_status(config: Optional[dict] = None) -> dict:
             "last_validated_at": 0,
             "days_since_validation": 0,
             "needs_revalidation": False,
+            "plan": plan,
         }
 
-    days_since = (_now() - last_val) // 86400 if last_val else 999
+    # Scadenza locale derivata dai claims (best-effort: la verita' e' sul server).
+    t = _now()
+    expires_at = plan.get("expires_at") or 0
+    period_end = plan.get("period_end") or 0
+    if expires_at and expires_at < t:
+        return {
+            "licensed": False, "reason": "plan_expired", "email": email, "key": key,
+            "activated_at": activated, "last_validated_at": last_val,
+            "days_since_validation": 0, "needs_revalidation": True, "plan": plan,
+        }
+    if period_end and period_end < t:
+        return {
+            "licensed": False, "reason": "subscription_expired", "email": email, "key": key,
+            "activated_at": activated, "last_validated_at": last_val,
+            "days_since_validation": 0, "needs_revalidation": True, "plan": plan,
+        }
+
+    days_since = (t - last_val) // 86400 if last_val else 999
     needs_reval = days_since >= LICENSE_REVALIDATE_DAYS
     grace_expired = days_since >= LICENSE_GRACE_DAYS
 
@@ -180,6 +230,7 @@ def get_status(config: Optional[dict] = None) -> dict:
             "last_validated_at": last_val,
             "days_since_validation": days_since,
             "needs_revalidation": True,
+            "plan": plan,
         }
 
     return {
@@ -191,6 +242,7 @@ def get_status(config: Optional[dict] = None) -> dict:
         "last_validated_at": last_val,
         "days_since_validation": days_since,
         "needs_revalidation": needs_reval,
+        "plan": plan,
     }
 
 
@@ -199,6 +251,55 @@ def is_licensed() -> bool:
     return get_status()["licensed"]
 
 
+def _store_plan_from_response(cfg: dict, resp: dict, token: str) -> None:
+    """Aggiorna il config con i campi del piano estratti dalla risposta API.
+
+    Server risposta puo' contenere:
+      - plan: {code, name, daily_limit, features, is_subscription}
+      - expires_at: epoch (annual)
+      - period_end: epoch (subscription)
+    Come fallback decodifica i claims dal JWT.
+    """
+    plan = resp.get("plan") if isinstance(resp.get("plan"), dict) else None
+    claims = _decode_jwt_claims(token) if token else {}
+
+    code = ""
+    name = ""
+    features = []
+    daily_limit = None
+    is_sub = False
+    if plan:
+        code = (plan.get("code") or "").strip()
+        name = (plan.get("name") or "").strip()
+        features = list(plan.get("features") or [])
+        daily_limit = plan.get("daily_limit")
+        is_sub = bool(plan.get("is_subscription"))
+    else:
+        code = (claims.get("plan") or "").strip()
+        name = (claims.get("plan_name") or "").strip()
+        features = list(claims.get("features") or [])
+        daily_limit = claims.get("daily_limit")
+        is_sub = bool(claims.get("is_subscription"))
+
+    cfg["plan_code"] = code
+    cfg["plan_name"] = name
+    cfg["plan_features"] = features
+    cfg["plan_daily_limit"] = daily_limit  # None ammesso (unlimited)
+    cfg["plan_is_subscription"] = is_sub
+    cfg["plan_expires_at"] = int(resp.get("expires_at") or claims.get("expires_at") or 0)
+    cfg["plan_period_end"] = int(resp.get("period_end") or claims.get("period_end") or 0)
+
+
+def _clear_plan(cfg: dict) -> None:
+    cfg["plan_code"] = ""
+    cfg["plan_name"] = ""
+    cfg["plan_features"] = []
+    cfg["plan_daily_limit"] = None
+    cfg["plan_is_subscription"] = False
+    cfg["plan_expires_at"] = 0
+    cfg["plan_period_end"] = 0
+
+
 def activate(license_key: str, email: str) -> dict:
     """Attiva una licenza contro il server. Salva token su success.
 
@@ -231,6 +332,7 @@ def activate(license_key: str, email: str) -> dict:
     cfg["license_token"] = token
     cfg["license_activated_at"] = int(resp.get("activated_at") or now)
     cfg["last_validated_at"] = now
+    _store_plan_from_response(cfg, resp, token)
     save_config(cfg)
     return get_status(cfg)
 
@@ -260,6 +362,7 @@ def validate() -> dict:
         # Server ha risposto 4xx -> token non piu valido
         cfg["license_token"] = ""
         cfg["last_validated_at"] = 0
+        _clear_plan(cfg)
         save_config(cfg)
         return get_status(cfg)
 
@@ -268,6 +371,7 @@ def validate() -> dict:
     if new_token:
         cfg["license_token"] = new_token
     cfg["last_validated_at"] = _now()
+    _store_plan_from_response(cfg, resp, cfg.get("license_token", ""))
     save_config(cfg)
     return get_status(cfg)
 
@@ -298,5 +402,86 @@ def deactivate(release_remote: bool = True) -> dict:
     cfg["license_token"] = ""
     cfg["license_activated_at"] = 0
     cfg["last_validated_at"] = 0
+    _clear_plan(cfg)
     save_config(cfg)
     return get_status(cfg)
+
+
+# ============================================================
+# Quota giornaliera
+# ============================================================
+def _http_json(method: str, path: str, body: Optional[dict] = None,
+               token: Optional[str] = None, timeout: int = 10) -> dict:
+    """Helper unificato per GET/POST con Authorization Bearer."""
+    url = LICENSE_API_URL.rstrip("/") + path
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {
+        "User-Agent": f"MusicTools/{VERSION}",
+        "Accept": "application/json",
+    }
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    if token:
+        headers["Authorization"] = f"Bearer {token}"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    try:
+        with urllib.request.urlopen(req, timeout=timeout) as resp:
+            raw = resp.read().decode("utf-8")
+            return json.loads(raw) if raw else {}
+    except urllib.error.HTTPError as e:
+        try:
+            err_body = e.read().decode("utf-8")
+            err_data = json.loads(err_body) if err_body else {}
+        except Exception:
+            err_data = {}
+        err_data.setdefault("error", e.reason or f"HTTP {e.code}")
+        err_data["_status"] = e.code
+        return err_data
+    except urllib.error.URLError as e:
+        raise LicenseNetworkError(str(e.reason) if hasattr(e, "reason") else str(e))
+    except (TimeoutError, OSError) as e:
+        raise LicenseNetworkError(str(e))
+
+
+def get_quota_status() -> dict:
+    """Legge lo stato quota dal server. Ritorna dict con plan/used/limit/remaining.
+
+    Solleva LicenseError se il server rifiuta (401/403); LicenseNetworkError
+    in caso di problemi di rete.
+    """
+    cfg = load_config()
+    token = (cfg.get("license_token") or "").strip()
+    if not token:
+        raise LicenseError("Licenza non attivata.")
+    resp = _http_json("GET", "/api/usage/status", token=token)
+    if resp.get("_status") and resp["_status"] >= 400:
+        raise LicenseError(resp.get("error") or "Errore stato quota.")
+    return resp
+
+
+def consume_quota(feature: str = "") -> dict:
+    """Incrementa la quota giornaliera prima di un download.
+
+    Ritorna {allowed, used, limit, remaining, plan, day}.
+    Se il server risponde 429 -> allowed=False (l'utente ha raggiunto il limite).
+    Per i piani unlimited (annual), allowed=True sempre.
+    Solleva LicenseError per 401/403; LicenseNetworkError per problemi di rete.
+    """
+    cfg = load_config()
+    token = (cfg.get("license_token") or "").strip()
+    if not token:
+        raise LicenseError("Licenza non attivata.")
+    body = {"feature": feature} if feature else {}
+    resp = _http_json("POST", "/api/usage/consume", body=body, token=token)
+    status_code = resp.pop("_status", 0)
+    if status_code == 401 or status_code == 403:
+        raise LicenseError(resp.get("error") or "Licenza non valida.")
+    if status_code == 429:
+        # Limite raggiunto, ma e' una risposta strutturata: ritorniamo
+        # il dict cosi' la UI puo' mostrare i numeri.
+        resp.setdefault("allowed", False)
+        return resp
+    if status_code and status_code >= 400:
+        raise LicenseError(resp.get("error") or f"Errore quota ({status_code}).")
+    resp.setdefault("allowed", True)
+    return resp

landing/css/style.css

@@ -555,6 +555,52 @@ a { color: inherit; text-decoration: none; }
   margin: 14px 0 0;
 }
 
+/* Grid 4 colonne per i piani */
+.price-grid {
+  display: grid;
+  grid-template-columns: repeat(4, 1fr);
+  gap: 20px;
+  margin-bottom: 32px;
+  align-items: stretch;
+}
+@media (max-width: 1100px) {
+  .price-grid { grid-template-columns: repeat(2, 1fr); }
+}
+@media (max-width: 640px) {
+  .price-grid { grid-template-columns: 1fr; }
+}
+
+.price-card-sm {
+  margin: 0;
+  max-width: none;
+  padding: 32px 22px 24px;
+  display: flex;
+  flex-direction: column;
+  box-shadow: none;
+  border: 1px solid var(--border);
+}
+.price-card-sm .price-amount { font-size: 44px; }
+.price-card-sm .price-currency { font-size: 20px; }
+.price-card-sm .price-once { font-size: 13px; }
+.price-card-sm .price-features { margin-bottom: 22px; flex: 1; }
+.price-card-sm .price-features li { padding: 7px 0; font-size: 13.5px; }
+
+.price-card-featured {
+  border-color: var(--accent);
+  box-shadow: 0 18px 48px rgba(29, 185, 84, 0.18);
+}
+
+.price-badge-gold {
+  background: linear-gradient(135deg, #f8c44a, #f4a51c);
+  color: #0a0a0a;
+}
+
+.price-shared {
+  max-width: 720px;
+  margin: 0 auto;
+  text-align: center;
+}
+
 /* ============================================================
    FAQ
    ============================================================ */
@@ -775,3 +821,31 @@ a { color: inherit; text-decoration: none; }
 }
 .price-consent a { color: var(--text-muted); text-decoration: underline; }
 .price-consent a:hover { color: var(--accent); }
+
+/* ============================================================
+   "Hai gia acquistato? Scarica" — link discreti
+   ============================================================ */
+.hero-customer {
+  margin: 18px 0 0;
+  font-size: 13.5px;
+  color: var(--text-dim);
+}
+
+.hero-customer a {
+  color: var(--accent);
+  font-weight: 700;
+  text-decoration: none;
+}
+.hero-customer a:hover { text-decoration: underline; }
+
+.price-already {
+  margin: 10px 0 0 !important;
+  font-size: 13px !important;
+  color: var(--text-muted) !important;
+}
+.price-already a {
+  color: var(--accent);
+  font-weight: 700;
+  text-decoration: none;
+}
+.price-already a:hover { text-decoration: underline; }

landing/download.html

@@ -0,0 +1,221 @@
+<!DOCTYPE html>
+<html lang="it">
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1" />
+  <title>Scarica MusicTools</title>
+  <link rel="icon" type="image/svg+xml" href="assets/favicon.svg" />
+  <link rel="stylesheet" href="css/style.css" />
+  <style>
+    .dl-page {
+      padding: 60px 24px 100px;
+      max-width: 900px;
+      margin: 0 auto;
+    }
+    .dl-head {
+      text-align: center;
+      margin-bottom: 48px;
+    }
+    .dl-head h1 {
+      font-size: clamp(28px, 4vw, 42px);
+      font-weight: 900;
+      letter-spacing: -0.02em;
+      margin: 12px 0 10px;
+    }
+    .dl-head p {
+      color: var(--text-muted);
+      font-size: 17px;
+      margin: 0;
+    }
+
+    .dl-grid {
+      display: grid;
+      grid-template-columns: 1fr 1fr;
+      gap: 18px;
+      margin-bottom: 40px;
+    }
+    @media (max-width: 700px) {
+      .dl-grid { grid-template-columns: 1fr; }
+    }
+
+    .dl-card {
+      background: var(--bg-card);
+      border: 1px solid var(--border);
+      border-radius: 18px;
+      padding: 32px 28px;
+      text-align: center;
+      transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.25s ease;
+    }
+    .dl-card:hover {
+      transform: translateY(-3px);
+      border-color: #383838;
+      box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
+    }
+    .dl-os { font-size: 64px; line-height: 1; margin-bottom: 12px; }
+    .dl-card h2 { margin: 0 0 6px; font-size: 22px; font-weight: 800; }
+    .dl-card .meta { color: var(--text-dim); font-size: 13px; margin: 0 0 24px; }
+
+    .dl-form {
+      max-width: 460px;
+      margin: 0 auto 32px;
+      padding: 28px 30px;
+      background: var(--bg-card);
+      border: 1px solid var(--border);
+      border-radius: 18px;
+    }
+    .dl-form h2 {
+      margin: 0 0 6px;
+      font-size: 18px;
+      font-weight: 800;
+    }
+    .dl-form p { margin: 0 0 18px; color: var(--text-muted); font-size: 14px; }
+    .dl-form .field { margin-bottom: 12px; }
+    .dl-form .field-label { font-size: 12px; color: var(--text-muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; display: block; margin-bottom: 6px; }
+    .dl-form .input { width: 100%; padding: 12px 16px; border-radius: 999px; background: #0d0d0d; border: 1px solid var(--border); color: var(--text); font-size: 14px; font-family: inherit; box-sizing: border-box; }
+    .dl-form .input:focus { outline: none; border-color: var(--accent); }
+    .dl-form .submit { width: 100%; margin-top: 12px; }
+
+    .dl-steps {
+      background: var(--bg-card);
+      border: 1px solid var(--border);
+      border-radius: 18px;
+      padding: 28px 32px;
+      margin-bottom: 18px;
+    }
+    .dl-steps h2 { font-size: 18px; font-weight: 800; margin: 0 0 14px; }
+    .dl-steps ol { margin: 0; padding-left: 22px; color: var(--text-muted); font-size: 14.5px; line-height: 1.7; }
+    .dl-steps li { margin-bottom: 4px; }
+    .dl-steps strong { color: var(--text); }
+    .dl-steps code { background: var(--bg-card-2); padding: 2px 7px; border-radius: 5px; font-size: 13px; font-family: ui-monospace, monospace; color: var(--accent); }
+
+    .dl-support { text-align: center; color: var(--text-muted); font-size: 14px; padding-top: 24px; border-top: 1px solid var(--divider); margin-top: 24px; }
+    .dl-support a { color: var(--accent); }
+  </style>
+</head>
+<body>
+
+  <header class="nav">
+    <div class="container nav-row">
+      <a href="/" class="brand">
+        <span class="brand-logo">♫</span>
+        <span class="brand-name">MusicTools</span>
+      </a>
+      <nav class="nav-links">
+        <a href="/">Home</a>
+        <a href="/#features">Funzioni</a>
+        <a href="/#faq">FAQ</a>
+      </nav>
+      <a href="mailto:info@djluza.com" class="btn btn-ghost btn-sm">Supporto</a>
+    </div>
+  </header>
+
+  <main class="dl-page">
+    <div class="dl-head">
+      <span class="eyebrow">SCARICA</span>
+      <h1>Scarica MusicTools</h1>
+      <p>Scegli il sistema operativo e procedi con l'installazione</p>
+    </div>
+
+    <!-- Form mostrato quando NON arrivi dall'email (no key/email in URL) -->
+    <div class="dl-form" id="dlForm">
+      <h2>Inserisci le tue credenziali</h2>
+      <p>Hai gia' acquistato? Inserisci l'email e la chiave per scaricare.</p>
+      <div class="field">
+        <label class="field-label" for="dlEmail">Email dell'acquisto</label>
+        <input type="email" id="dlEmail" class="input" autocomplete="email" />
+      </div>
+      <div class="field">
+        <label class="field-label" for="dlKey">Chiave di licenza</label>
+        <input type="text" id="dlKey" class="input" autocomplete="off" placeholder="XXXX-XXXX-XXXX-XXXX" />
+      </div>
+      <button class="btn btn-primary btn-lg submit" id="dlSubmitBtn">Mostra i link di download</button>
+    </div>
+
+    <!-- Cards di download (popolate dopo inserimento credenziali o da URL) -->
+    <div class="dl-grid" id="dlGrid" hidden>
+      <article class="dl-card">
+        <div class="dl-os">🍎</div>
+        <h2>macOS</h2>
+        <p class="meta">macOS 11 Big Sur o successivi · Apple Silicon e Intel</p>
+        <a class="btn btn-primary btn-lg btn-block" id="dlMacBtn" target="_blank" rel="noopener">
+          Scarica per Mac
+        </a>
+      </article>
+
+      <article class="dl-card">
+        <div class="dl-os">🪟</div>
+        <h2>Windows</h2>
+        <p class="meta">Windows 10 e 11 · 64-bit</p>
+        <a class="btn btn-primary btn-lg btn-block" id="dlWinBtn" target="_blank" rel="noopener">
+          Scarica per Windows
+        </a>
+      </article>
+    </div>
+
+    <div class="dl-steps">
+      <h2>Installazione macOS</h2>
+      <ol>
+        <li>Apri il file <code>.zip</code> scaricato — viene estratto in <code>MusicTools.app</code></li>
+        <li>Trascina <strong>MusicTools.app</strong> nella cartella <strong>Applicazioni</strong></li>
+        <li>Vai in Applicazioni, <strong>tasto destro</strong> su MusicTools → <strong>Apri</strong> → <strong>Apri</strong> (solo la prima volta, e' la procedura standard per app non firmate)</li>
+        <li>Inserisci email e chiave per attivare</li>
+      </ol>
+    </div>
+
+    <div class="dl-steps">
+      <h2>Installazione Windows</h2>
+      <ol>
+        <li>Estrai il file <code>.zip</code> in una cartella di tua scelta</li>
+        <li>Doppio click su <strong>MusicTools.exe</strong></li>
+        <li>Se Windows mostra "Windows ha protetto il PC": click su <strong>Ulteriori informazioni</strong> → <strong>Esegui comunque</strong></li>
+        <li>Inserisci email e chiave per attivare</li>
+      </ol>
+    </div>
+
+    <div class="dl-support">
+      Problemi con l'installazione o non hai ricevuto l'email con la chiave?<br>
+      Scrivi a <a href="mailto:info@djluza.com">info@djluza.com</a> — risposta entro 24 ore.
+    </div>
+  </main>
+
+  <script>
+    function getParam(name) {
+      const url = new URL(window.location.href);
+      return url.searchParams.get(name) || "";
+    }
+
+    function setDownloadLinks(email, key) {
+      const q = "key=" + encodeURIComponent(key) + "&email=" + encodeURIComponent(email);
+      document.getElementById("dlMacBtn").href = "/api/download/macos?" + q;
+      document.getElementById("dlWinBtn").href = "/api/download/windows?" + q;
+      document.getElementById("dlGrid").hidden = false;
+      document.getElementById("dlForm").hidden = true;
+    }
+
+    // Se arrivi dall'email con ?key=&email= mostra subito i bottoni
+    const urlKey = getParam("key");
+    const urlEmail = getParam("email");
+    if (urlKey && urlEmail) {
+      setDownloadLinks(urlEmail, urlKey);
+    }
+
+    // Form submit
+    document.getElementById("dlSubmitBtn").addEventListener("click", () => {
+      const email = document.getElementById("dlEmail").value.trim();
+      const key = document.getElementById("dlKey").value.trim();
+      if (!email || !key) {
+        alert("Inserisci email e chiave di licenza.");
+        return;
+      }
+      setDownloadLinks(email, key);
+    });
+
+    // Enter dentro i campi
+    ["dlEmail", "dlKey"].forEach(id => {
+      document.getElementById(id).addEventListener("keydown", (e) => {
+        if (e.key === "Enter") document.getElementById("dlSubmitBtn").click();
+      });
+    });
+  </script>
+</body>
+</html>

landing/index.html

@@ -4,10 +4,10 @@
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1" />
   <title>MusicTools — Scarica, modifica e registra la tua musica</title>
-  <meta name="description" content="App desktop per Mac e Windows. Scarica brani da Spotify e YouTube in MP3 320K, registra l'audio del sistema, modifica i tag. Una licenza a vita, 39,90 €." />
+  <meta name="description" content="App desktop per Mac e Windows. Scarica brani da Spotify e YouTube in MP3 320K, registra l'audio del sistema, modifica i tag. Piani da 2,99 €/mese." />
 
   <meta property="og:title" content="MusicTools — La toolbox della tua musica" />
-  <meta property="og:description" content="Scarica, modifica e registra. Tutto in un'app per Mac e Windows. Licenza a vita 39,90 €." />
+  <meta property="og:description" content="Scarica, modifica e registra. Tutto in un'app per Mac e Windows. Piani da 2,99 €/mese o 49,90 €/anno una tantum." />
   <meta property="og:type" content="website" />
   <meta property="og:url" content="https://musictools.djluza.com" />
 
@@ -26,10 +26,11 @@
       <nav class="nav-links">
         <a href="#features">Funzioni</a>
         <a href="#how">Come funziona</a>
-        <a href="#pricing">Prezzo</a>
+        <a href="#pricing">Piani</a>
         <a href="#faq">FAQ</a>
+        <a href="/download">Download</a>
       </nav>
-      <a href="#pricing" class="btn btn-primary btn-sm">Compra — 39,90 €</a>
+      <a href="#pricing" class="btn btn-primary btn-sm">Vedi i piani</a>
     </div>
   </header>
 
@@ -37,7 +38,7 @@
   <section class="hero" id="top">
     <div class="container hero-grid">
       <div class="hero-text">
-        <span class="eyebrow">Per Mac e Windows · Licenza a vita</span>
+        <span class="eyebrow">Per Mac e Windows · Da 2,99 €/mese</span>
         <h1>La tua musica, ovunque la trovi.<br/><span class="accent">In un'unica app.</span></h1>
         <p class="lead">
           Scarica brani da Spotify, YouTube, SoundCloud e altri 1000 siti in MP3 320K.
@@ -45,14 +46,18 @@
           Modifica i metadati e le copertine. Tutto offline, senza account.
         </p>
         <div class="hero-cta">
-          <a href="#pricing" class="btn btn-primary btn-lg">Compra ora — 39,90 €</a>
+          <a href="#pricing" class="btn btn-primary btn-lg">Vedi i piani</a>
           <a href="#features" class="btn btn-ghost btn-lg">Scopri di più</a>
         </div>
         <ul class="hero-bullets">
-          <li>✓ Acquisto una tantum, nessun abbonamento</li>
+          <li>✓ Mensili da 2,99 € o annuale 49,90 € una tantum</li>
-          <li>✓ Aggiornamenti gratuiti a vita</li>
+          <li>✓ Aggiornamenti gratuiti inclusi</li>
           <li>✓ Funziona offline · Su 3 dispositivi</li>
         </ul>
+
+        <p class="hero-customer">
+          Hai già acquistato? <a href="/download">Scarica l'app →</a>
+        </p>
       </div>
 
       <div class="hero-art" aria-hidden="true">
@@ -170,39 +175,113 @@
   <!-- ============== PRICING ============== -->
   <section class="section pricing" id="pricing">
     <div class="container">
-      <span class="eyebrow center">PREZZO</span>
+      <span class="eyebrow center">PIANI</span>
-      <h2 class="section-title">Una licenza. Per sempre.</h2>
+      <h2 class="section-title">Scegli il piano giusto per te</h2>
-      <p class="section-lead">Niente abbonamenti. Niente sorprese. Compri una volta, la usi per sempre.</p>
+      <p class="section-lead">Tre abbonamenti mensili o l'opzione una-tantum annuale senza limiti. Tutti i piani includono aggiornamenti gratuiti.</p>
 
-      <div class="price-card">
+      <div class="price-grid">
-        <div class="price-badge">Più popolare</div>
+
-        <div class="price-name">MusicTools Personal</div>
+        <!-- BASIC -->
+        <div class="price-card price-card-sm">
+          <div class="price-name">Basic</div>
           <div class="price-row">
-          <span class="price-amount">39,90</span>
+            <span class="price-amount">2,99</span>
             <span class="price-currency">€</span>
-          <span class="price-once">una tantum</span>
+            <span class="price-once">/mese</span>
           </div>
           <ul class="price-features">
-          <li>✓ <strong>Licenza a vita</strong> — paghi una volta, mai più</li>
+            <li>✓ <strong>Download brani</strong> da Spotify e YouTube</li>
-          <li>✓ <strong>3 dispositivi</strong> — Mac e Windows mixati</li>
+            <li>✓ <strong>Fino a 10 al giorno</strong></li>
-          <li>✓ <strong>Aggiornamenti gratuiti</strong> per tutte le versioni future</li>
+            <li>✓ MP3 fino a 320kbps</li>
-          <li>✓ <strong>Tutte le 7 tab</strong> sbloccate</li>
+            <li>✓ 3 dispositivi (Mac + Win)</li>
-          <li>✓ <strong>Supporto via email</strong> a info@djluza.com</li>
+            <li>✗ Download video</li>
-          <li>✓ <strong>Garanzia 14 giorni</strong> soddisfatti o rimborsati</li>
+            <li>✗ Registrazione, metadati, upgrade libreria</li>
           </ul>
-        <a href="#"
+          <a href="https://luza.lemonsqueezy.com/checkout/buy/8aca9e44-4775-424b-8ce3-583714044ac9?embed=1"
-           class="btn btn-primary btn-lg btn-block"
+             class="btn btn-ghost btn-lg btn-block lemonsqueezy-button">
-           data-lemonsqueezy-url="REPLACE_WITH_LS_PRODUCT_URL"
+            Inizia con Basic
-           id="buyBtn">
-          Acquista ora — 39,90 €
           </a>
-        <p class="price-note">Pagamento sicuro · Carta, PayPal, Apple Pay · Fattura inclusa</p>
+        </div>
+
+        <!-- PRO -->
+        <div class="price-card price-card-sm">
+          <div class="price-badge">Più scelto</div>
+          <div class="price-name">Pro</div>
+          <div class="price-row">
+            <span class="price-amount">5,99</span>
+            <span class="price-currency">€</span>
+            <span class="price-once">/mese</span>
+          </div>
+          <ul class="price-features">
+            <li>✓ <strong>Tutto di Basic</strong></li>
+            <li>✓ <strong>Download video</strong> (YT, TikTok, IG, FB)</li>
+            <li>✓ <strong>Fino a 30 al giorno</strong></li>
+            <li>✓ Registrazione audio (BlackHole / loopback)</li>
+            <li>✓ Editor metadati + copertine</li>
+            <li>✓ Upgrade qualità libreria</li>
+          </ul>
+          <a href="https://luza.lemonsqueezy.com/checkout/buy/89cb5ab5-9d39-4828-8c44-b67a651aeb46?embed=1"
+             class="btn btn-primary btn-lg btn-block lemonsqueezy-button">
+            Scegli Pro
+          </a>
+        </div>
+
+        <!-- PREMIUM -->
+        <div class="price-card price-card-sm">
+          <div class="price-name">Premium</div>
+          <div class="price-row">
+            <span class="price-amount">9,99</span>
+            <span class="price-currency">€</span>
+            <span class="price-once">/mese</span>
+          </div>
+          <ul class="price-features">
+            <li>✓ <strong>Tutto di Pro</strong></li>
+            <li>✓ <strong>Fino a 150 al giorno</strong></li>
+            <li>✓ Priorità nel supporto via email</li>
+            <li>✓ 3 dispositivi (Mac + Win)</li>
+          </ul>
+          <a href="https://luza.lemonsqueezy.com/checkout/buy/5e027bbf-30ba-4ef3-bb23-5e7ea4aa7e7e?embed=1"
+             class="btn btn-ghost btn-lg btn-block lemonsqueezy-button">
+            Passa a Premium
+          </a>
+        </div>
+
+        <!-- ANNUAL ONE-TIME -->
+        <div class="price-card price-card-sm price-card-featured">
+          <div class="price-badge price-badge-gold">Miglior valore</div>
+          <div class="price-name">Annual</div>
+          <div class="price-row">
+            <span class="price-amount">49,90</span>
+            <span class="price-currency">€</span>
+            <span class="price-once">/anno</span>
+          </div>
+          <ul class="price-features">
+            <li>✓ <strong>Tutte le funzioni sbloccate</strong></li>
+            <li>✓ <strong>Nessun limite giornaliero</strong></li>
+            <li>✓ Valido <strong>12 mesi</strong> dall'acquisto</li>
+            <li>✓ Una tantum, niente rinnovo automatico</li>
+            <li>✓ 3 dispositivi (Mac + Win)</li>
+          </ul>
+          <a href="https://luza.lemonsqueezy.com/checkout/buy/85e91098-a93c-4008-a155-954b3456a299?embed=1"
+             class="btn btn-primary btn-lg btn-block lemonsqueezy-button"
+             id="buyBtn">
+            Acquista — 49,90 €
+          </a>
+        </div>
+
+      </div>
+
+      <div class="price-shared">
+        <p class="price-note">Pagamento sicuro · Carta, PayPal, Apple Pay · Fattura inclusa · IVA gestita da Lemon Squeezy</p>
         <p class="price-consent">
           Procedendo con l'acquisto dichiari di aver letto e di accettare i
           <a href="/legal/terms.html">Termini di servizio</a>,
           l'<a href="/legal/privacy.html">Informativa privacy</a> e la
           <a href="/legal/refund.html">Politica rimborsi</a>.
         </p>
+        <p class="price-already">
+          Hai già una licenza? <a href="/download">Scarica l'app →</a>
+        </p>
       </div>
 
       <div class="use-policy">
@@ -240,12 +319,27 @@
 
         <details class="faq-item">
           <summary>Su quanti dispositivi posso installarla?</summary>
-          <p>Una licenza copre fino a <strong>3 dispositivi</strong>, anche misti (Mac + Windows). Se ne cambi uno, puoi disattivare dall'app stessa o scriverci e ne liberiamo uno.</p>
+          <p>Tutti i piani coprono fino a <strong>3 dispositivi</strong>, anche misti (Mac + Windows). Se ne cambi uno, puoi disattivare dall'app stessa o scriverci e ne liberiamo uno.</p>
+        </details>
+
+        <details class="faq-item">
+          <summary>Come funziona il limite giornaliero?</summary>
+          <p>Sui piani mensili (Basic, Pro, Premium) c'è un limite di download al giorno (10, 30 o 150 a seconda del piano). Il contatore si resetta a <strong>mezzanotte ora di Roma</strong>. Sull'annuale (49,90 €) non c'è nessun limite per 12 mesi.</p>
+        </details>
+
+        <details class="faq-item">
+          <summary>Posso passare a un piano superiore?</summary>
+          <p>Sì, in qualsiasi momento. Su Lemon Squeezy puoi cambiare piano dalla tua dashboard; la licenza si aggiorna in automatico al successivo controllo dell'app.</p>
+        </details>
+
+        <details class="faq-item">
+          <summary>Cosa succede quando scade l'abbonamento annuale?</summary>
+          <p>Il piano Annual è una-tantum: vale 12 mesi dall'acquisto, non si rinnova automaticamente. Allo scadere ricomprilo (o scegli un mensile) e tutto torna a funzionare.</p>
         </details>
 
         <details class="faq-item">
           <summary>Come funzionano gli aggiornamenti?</summary>
-          <p>Sono <strong>gratis a vita</strong>. L'app controlla in automatico le nuove versioni dal menu Impostazioni → Aggiornamenti. Un click per scaricare e installare.</p>
+          <p>Sono <strong>inclusi in tutti i piani</strong>. L'app controlla in automatico le nuove versioni dal menu Impostazioni → Aggiornamenti. Un click per scaricare e installare.</p>
         </details>
 
         <details class="faq-item">
@@ -300,8 +394,8 @@
   <section class="section cta-final">
     <div class="container cta-box">
       <h2>Pronto a semplificarti la vita?</h2>
-      <p>Una sola app per tutto quello che fai con la musica.</p>
+      <p>Una sola app per tutto quello che fai con la musica. Inizia con Basic a 2,99 € al mese.</p>
-      <a href="#pricing" class="btn btn-primary btn-lg">Compra ora — 39,90 €</a>
+      <a href="#pricing" class="btn btn-primary btn-lg">Vedi i piani</a>
     </div>
   </section>
 
@@ -314,6 +408,7 @@
         <span class="footer-by">by LuZa</span>
       </div>
       <nav class="footer-links">
+        <a href="/download">Download</a>
         <a href="mailto:info@djluza.com">Supporto</a>
         <a href="/legal/terms.html">Termini</a>
         <a href="/legal/privacy.html">Privacy</a>

landing/js/main.js

@@ -8,25 +8,9 @@
   if (el) el.textContent = String(new Date().getFullYear());
 })();
 
-// Lemon Squeezy overlay
+// Lemon Squeezy overlay: lemon.js intercetta automaticamente i link con
-// Lo script di Lemon (lemon.js) intercetta automaticamente i link con
+// data-lemonsqueezy-url e apre l'overlay di checkout. Niente codice nostro
-// data-lemonsqueezy-url e apre l'overlay. Qui ci limitiamo a impedire
+// necessario qui — basta che lemon.js sia caricato (vedi <script> in index.html).
-// che il click navighi via se l'URL non e' ancora stato configurato.
-document.querySelectorAll("[data-lemonsqueezy-url]").forEach((el) => {
-  el.addEventListener("click", (e) => {
-    const url = el.getAttribute("data-lemonsqueezy-url");
-    if (!url || url === "REPLACE_WITH_LS_PRODUCT_URL") {
-      e.preventDefault();
-      alert(
-        "Il prodotto Lemon Squeezy non e' ancora configurato.\n" +
-        "Crea il prodotto su Lemon Squeezy e incolla l'URL dentro " +
-        "landing/index.html in data-lemonsqueezy-url."
-      );
-    }
-    // Se la pagina e' aperta via file:// lemon.js non riesce a inizializzare:
-    // in quel caso lasciamo che il link navighi via.
-  });
-});
 
 // Header che diventa piu' opaco mentre scorri (effetto subtle)
 const nav = document.querySelector(".nav");

server/migrations/0002_plans_and_usage.sql

@@ -0,0 +1,28 @@
+SET NAMES utf8mb4;
+
+ALTER TABLE licenses
+  ADD COLUMN plan VARCHAR(16) NULL AFTER status,
+  ADD COLUMN daily_limit INT UNSIGNED NULL AFTER plan,
+  ADD COLUMN subscription_id VARCHAR(64) NULL AFTER daily_limit,
+  ADD COLUMN current_period_end BIGINT UNSIGNED NULL AFTER subscription_id,
+  ADD COLUMN expires_at BIGINT UNSIGNED NULL AFTER current_period_end;
+
+UPDATE licenses
+   SET plan = 'annual',
+       daily_limit = NULL,
+       expires_at = NULL
+ WHERE plan IS NULL;
+
+ALTER TABLE licenses
+  ADD KEY idx_licenses_plan (plan),
+  ADD KEY idx_licenses_sub (subscription_id);
+
+CREATE TABLE IF NOT EXISTS daily_usage (
+  license_id   INT UNSIGNED NOT NULL,
+  day          CHAR(10) NOT NULL,
+  count        INT UNSIGNED NOT NULL DEFAULT 0,
+  updated_at   BIGINT UNSIGNED NOT NULL,
+  PRIMARY KEY (license_id, day),
+  CONSTRAINT fk_daily_usage_license
+    FOREIGN KEY (license_id) REFERENCES licenses(id) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

server/src/downloads.js

@@ -0,0 +1,71 @@
+/**
+ * Endpoint "1-click download" per i clienti.
+ *
+ * URL: GET /api/download/:platform?key=XXXX&email=YYY
+ *
+ * Verifica la coppia (key, email) contro la tabella licenses, recupera
+ * l'ultima release attiva per la piattaforma, genera un signed URL e
+ * fa redirect 302. Il link nell'email viene cliccato dall'utente: con
+ * un click parte il download.
+ *
+ * Sicurezza:
+ *  - Niente token sulla URL: la chiave e' gia "il segreto"
+ *  - URL signed con scadenza breve (default 5 min)
+ *  - Nessuna info di licenza leakata in risposta (ritorna solo redirect o 401/404)
+ */
+
+import crypto from "node:crypto";
+import { one } from "./db.js";
+
+const DOWNLOAD_TTL = Number(process.env.DOWNLOAD_URL_TTL_SECONDS || 300);
+const PUBLIC_BASE = process.env.PUBLIC_BASE_URL || "https://musictools.djluza.com";
+
+function signPayload(payload, secret) {
+  return crypto.createHmac("sha256", secret).update(payload).digest("base64url");
+}
+
+const normEmail = (s) => String(s || "").trim().toLowerCase();
+const normKey = (s) => String(s || "").trim().toUpperCase();
+
+export async function downloadByKey(req, res) {
+  const platform = String(req.params.platform || "").toLowerCase();
+  if (platform !== "macos" && platform !== "windows") {
+    return res.status(400).type("text/plain")
+      .send("Piattaforma non valida. Usa /api/download/macos o /api/download/windows.");
+  }
+
+  const key = normKey(req.query.key);
+  const email = normEmail(req.query.email);
+  if (!key || !email) {
+    return res.status(400).type("text/plain")
+      .send("Mancano email o chiave. Controlla il link nella tua email di acquisto.");
+  }
+
+  const license = await one(
+    "SELECT id, status FROM licenses WHERE license_key=? AND email=? LIMIT 1",
+    [key, email],
+  );
+  if (!license) {
+    return res.status(401).type("text/plain")
+      .send("Email o chiave non valide. Verifica il link nell'email o scrivici a info@djluza.com.");
+  }
+  if (license.status !== "active") {
+    return res.status(403).type("text/plain")
+      .send("Licenza non piu' attiva (rimborsata o revocata).");
+  }
+
+  const release = await one(
+    `SELECT file_path FROM releases
+     WHERE platform=? ORDER BY published_at DESC LIMIT 1`,
+    [platform],
+  );
+  if (!release) {
+    return res.status(503).type("text/plain")
+      .send(`Build ${platform} non ancora disponibile. Riprova fra qualche ora o scrivici a info@djluza.com.`);
+  }
+
+  const exp = Math.floor(Date.now() / 1000) + DOWNLOAD_TTL;
+  const sig = signPayload(`${release.file_path}.${exp}`, process.env.JWT_SECRET);
+  const url = `${PUBLIC_BASE}/api/download?file=${encodeURIComponent(release.file_path)}&exp=${exp}&sig=${sig}`;
+  res.redirect(302, url);
+}

server/src/email.js

@@ -1,41 +1,125 @@
 /**
- * Invio email transazionali via Resend (https://resend.com).
+ * Invio email transazionali via Resend.
- * Usa fetch nativo di Node >= 20 — nessuna dipendenza.
+ *
+ * sendLicenseEmail(to, key, { plan, expiresAt, periodEnd })
+ *   - plan: codice piano ("basic" | "pro" | "premium" | "annual")
+ *   - expiresAt: epoch seconds (annual one-time) o null
+ *   - periodEnd: epoch seconds (subscription mensile) o null
  *
  * Variabili env richieste:
  *   RESEND_API_KEY     dal dashboard Resend
  *   EMAIL_FROM         "MusicTools <noreply@djluza.com>" (dominio verificato)
  */
 
-const FROM = process.env.EMAIL_FROM || "MusicTools <noreply@djluza.com>";
+import { getPlan } from "./plans.js";
 
-export async function sendLicenseEmail(to, licenseKey) {
+const FROM = process.env.EMAIL_FROM || "MusicTools <noreply@djluza.com>";
+const BASE = process.env.PUBLIC_BASE_URL || "https://musictools.djluza.com";
+
+function fmtItalianDate(epochSeconds) {
+  if (!epochSeconds) return "";
+  const d = new Date(Number(epochSeconds) * 1000);
+  return new Intl.DateTimeFormat("it-IT", {
+    timeZone: "Europe/Rome",
+    day: "2-digit",
+    month: "long",
+    year: "numeric",
+  }).format(d);
+}
+
+function describePlan(planCode, expiresAt, periodEnd) {
+  const p = getPlan(planCode);
+  if (!p) {
+    return {
+      name: "MusicTools",
+      summary: "La tua licenza e' attiva.",
+    };
+  }
+  const features = {
+    audio: "download brani audio",
+    video: "download video",
+    record: "registrazione audio",
+    metadata: "editor metadati",
+    upgrade: "upgrade qualita' libreria",
+  };
+  const featList = p.features.map((f) => features[f] || f).join(", ");
+  const limit = p.daily_limit === null
+    ? "senza limiti giornalieri"
+    : `fino a ${p.daily_limit} download al giorno`;
+  let validity = "";
+  if (planCode === "annual" && expiresAt) {
+    validity = `Validita': 1 anno, scade il <strong>${fmtItalianDate(expiresAt)}</strong>.`;
+  } else if (p.is_subscription && periodEnd) {
+    validity = `Prossimo rinnovo: <strong>${fmtItalianDate(periodEnd)}</strong>.`;
+  }
+  return {
+    name: p.name,
+    summary: `Piano <strong>${p.name}</strong> &mdash; ${limit}. Funzioni incluse: ${featList}. ${validity}`,
+  };
+}
+
+export async function sendLicenseEmail(to, licenseKey, opts = {}) {
   if (!process.env.RESEND_API_KEY) {
     console.warn("[email] RESEND_API_KEY non impostata, skip invio a", to);
     return;
   }
 
+  const { plan: planCode, expiresAt, periodEnd } = opts;
+  const planInfo = describePlan(planCode, expiresAt, periodEnd);
+
+  const q = `key=${encodeURIComponent(licenseKey)}&email=${encodeURIComponent(to)}`;
+  const macUrl = `${BASE}/api/download/macos?${q}`;
+  const winUrl = `${BASE}/api/download/windows?${q}`;
+
   const html = `
     <div style="font-family:-apple-system,Segoe UI,sans-serif;max-width:560px;margin:0 auto;padding:24px;color:#111">
       <h1 style="color:#1db954;margin:0 0 14px;font-size:22px">Grazie per aver scelto MusicTools!</h1>
+      <p style="font-size:15px;line-height:1.55;margin:0 0 14px">
+        ${planInfo.summary}
+      </p>
       <p style="font-size:15px;line-height:1.55;margin:0 0 18px">
-        Ecco la tua chiave di licenza. Conservala con cura — ti servira' per attivare l'app.
+        Ecco la tua chiave di licenza. Conservala con cura &mdash; ti servira' per attivare l'app.
       </p>
       <p style="font-size:22px;letter-spacing:2px;font-family:monospace;background:#f4f4f4;padding:16px;border-radius:10px;text-align:center;margin:0 0 24px;color:#000">
         ${licenseKey}
       </p>
+
+      <p style="font-size:15px;margin:0 0 12px"><strong>Scarica l'app:</strong></p>
+      <table cellpadding="0" cellspacing="0" border="0" style="margin:0 0 24px">
+        <tr>
+          <td style="padding-right:10px">
+            <a href="${macUrl}" style="display:inline-block;background:#1db954;color:#fff;text-decoration:none;padding:12px 22px;border-radius:999px;font-weight:700;font-size:14px">
+              Scarica per Mac
+            </a>
+          </td>
+          <td>
+            <a href="${winUrl}" style="display:inline-block;background:#1db954;color:#fff;text-decoration:none;padding:12px 22px;border-radius:999px;font-weight:700;font-size:14px">
+              Scarica per Windows
+            </a>
+          </td>
+        </tr>
+      </table>
+
       <p style="font-size:15px;margin:0 0 8px"><strong>Come attivare:</strong></p>
       <ol style="font-size:14.5px;line-height:1.6;padding-left:22px">
-        <li>Scarica MusicTools per <a href="https://musictools.djluza.com#pricing">Mac o Windows</a></li>
+        <li>Clicca uno dei bottoni qui sopra per scaricare l'installer</li>
-        <li>Apri l'app: alla prima schermata ti chiedera' email e chiave</li>
+        <li>Installa l'app (su Mac: tasto destro &rarr; Apri &rarr; Apri; su Windows: Esegui comunque)</li>
-        <li>Inserisci questa email (<code>${to}</code>) e la chiave qui sopra</li>
+        <li>Apri MusicTools: la prima schermata ti chiede email e chiave</li>
+        <li>Inserisci <strong>${to}</strong> e la chiave qui sopra</li>
       </ol>
       <p style="font-size:14px;color:#555;margin:18px 0 0">Puoi attivare la licenza fino a 3 dispositivi (Mac e Windows mixati).</p>
+      <p style="font-size:13px;color:#888;margin:8px 0 0">
+        Hai bisogno di riscaricare in futuro? Vai su <a href="${BASE}/download" style="color:#1db954">${BASE.replace(/^https?:\/\//, "")}/download</a> e inserisci email + chiave.
+      </p>
       <hr style="border:none;border-top:1px solid #eee;margin:28px 0"/>
       <p style="color:#666;font-size:12px;margin:0">Hai problemi? Scrivici a <a href="mailto:info@djluza.com">info@djluza.com</a></p>
     </div>
   `;
 
+  const subject = planInfo.name === "MusicTools"
+    ? "La tua licenza MusicTools"
+    : `La tua licenza MusicTools ${planInfo.name}`;
+
   const resp = await fetch("https://api.resend.com/emails", {
     method: "POST",
     headers: {
@@ -45,7 +129,7 @@ export async function sendLicenseEmail(to, licenseKey) {
     body: JSON.stringify({
       from: FROM,
       to: [to],
-      subject: "La tua licenza MusicTools",
+      subject,
       html,
     }),
   });

server/src/lemonsqueezy.js

@@ -1,13 +1,26 @@
 /**
  * Webhook Lemon Squeezy.
  * URL pubblico: https://musictools.djluza.com/api/webhook/lemonsqueezy
- * Eventi gestiti: order_created, order_refunded.
+ *
+ * Eventi gestiti:
+ *  - order_created           : crea licenza ANNUAL (one-time) con expires_at = now+365d.
+ *                              Per le subscription ignora: il record nasce da subscription_created.
+ *  - order_refunded          : status -> refunded.
+ *  - subscription_created    : crea licenza con plan, subscription_id, current_period_end.
+ *  - subscription_updated    : aggiorna current_period_end e plan se cambiato.
+ *  - subscription_payment_success : estende current_period_end al nuovo renews_at.
+ *  - subscription_payment_failed  : (no-op qui) lasciamo scadere current_period_end.
+ *  - subscription_cancelled  : niente, il periodo corrente resta valido fino a current_period_end.
+ *  - subscription_expired    : status -> revoked, l'utente perde l'accesso.
+ *
+ * Tutto idempotente: ogni evento si puo' rispedire senza spaccare nulla.
  */
 
 import crypto from "node:crypto";
 import { one, exec } from "./db.js";
 import { generateLicenseKey } from "./license.js";
 import { sendLicenseEmail } from "./email.js";
+import { planByVariantId, getPlan, ANNUAL_TTL_SECONDS } from "./plans.js";
 
 const now = () => Math.floor(Date.now() / 1000);
 
@@ -21,8 +34,210 @@ function timingSafe(a, b) {
   return crypto.timingSafeEqual(A, B);
 }
 
+/** Converte una data ISO (es. "2026-07-09T13:24:00Z") in epoch seconds, o null. */
+function isoToEpoch(iso) {
+  if (!iso) return null;
+  const t = Date.parse(String(iso));
+  if (Number.isNaN(t)) return null;
+  return Math.floor(t / 1000);
+}
+
+/** Estrae variant_id dal payload, gestendo le diverse forme degli eventi. */
+function extractVariantId(payload, attrs) {
+  // subscription_*: attrs.variant_id (diretto)
+  if (attrs.variant_id != null) return String(attrs.variant_id);
+  // order_created: attrs.first_order_item.variant_id
+  const item = attrs.first_order_item;
+  if (item && item.variant_id != null) return String(item.variant_id);
+  // alcune forme passano da relationships
+  const rel = payload?.data?.relationships?.variant?.data?.id;
+  if (rel) return String(rel);
+  return "";
+}
+
+/** Email cliente: nei subscription_* puo' essere customer_email. */
+function extractEmail(attrs) {
+  const e = attrs.user_email || attrs.customer_email || attrs.email || "";
+  return String(e).trim().toLowerCase();
+}
+
+// ---- Handlers per famiglia evento -----------------------------------------
+
+async function handleOrderCreated(payload, attrs, t) {
+  const email = extractEmail(attrs);
+  const orderId = String(payload?.data?.id || attrs.order_number || "");
+  if (!email || !orderId) {
+    return { status: 400, body: { error: "Missing email or order_id" } };
+  }
+  const variantId = extractVariantId(payload, attrs);
+  const planCode = planByVariantId(variantId);
+  const plan = planCode ? getPlan(planCode) : null;
+
+  // Subscriptions: il record vero arriva con subscription_created.
+  // Se per qualche motivo arriva prima (ordine pagato ma sottoscrizione
+  // non ancora generata), accettiamo l'evento ma non creiamo nulla.
+  if (plan && plan.is_subscription) {
+    return { status: 200, body: { ok: true, deferred: "wait_for_subscription_created" } };
+  }
+
+  // Annual one-time (o piano non mappato -> trattalo come annual di default
+  // cosi' non lasciamo l'utente senza licenza se ha pagato).
+  const planForRecord = plan?.code || "annual";
+  const limit = plan?.daily_limit ?? null;
+  const expiresAt = t + ANNUAL_TTL_SECONDS;
+  const key = generateLicenseKey();
+
+  try {
+    await exec(
+      `INSERT INTO licenses
+         (license_key, email, status, plan, daily_limit,
+          source, order_id, expires_at, created_at, updated_at)
+       VALUES (?, ?, 'active', ?, ?, 'lemonsqueezy', ?, ?, ?, ?)`,
+      [key, email, planForRecord, limit, orderId, expiresAt, t, t],
+    );
+  } catch (e) {
+    if (e?.code === "ER_DUP_ENTRY") {
+      return { status: 200, body: { ok: true, duplicate: true } };
+    }
+    throw e;
+  }
+
+  try {
+    await sendLicenseEmail(email, key, { plan: planForRecord, expiresAt });
+  } catch (e) {
+    console.error("[email] send failed:", e?.message || e);
+  }
+
+  return { status: 200, body: { ok: true, plan: planForRecord } };
+}
+
+async function handleOrderRefunded(payload, attrs, t) {
+  const orderId = String(payload?.data?.id || attrs.order_number || "");
+  if (!orderId) return { status: 400, body: { error: "Missing order_id" } };
+  await exec(
+    `UPDATE licenses SET status='refunded', updated_at=? WHERE order_id=?`,
+    [t, orderId],
+  );
+  return { status: 200, body: { ok: true } };
+}
+
+async function handleSubscriptionCreated(payload, attrs, t) {
+  const email = extractEmail(attrs);
+  const subId = String(payload?.data?.id || attrs.subscription_id || "");
+  const variantId = extractVariantId(payload, attrs);
+  const planCode = planByVariantId(variantId);
+  if (!email || !subId) {
+    return { status: 400, body: { error: "Missing email or subscription_id" } };
+  }
+  if (!planCode) {
+    // Niente mapping -> non sappiamo che limiti applicare. Logghiamo e
+    // ritorniamo 200 cosi' LS non rispedisce all'infinito.
+    console.warn("[ls] subscription_created variant non mappato:", variantId, "email=", email);
+    return { status: 200, body: { ok: true, ignored: "unknown_variant" } };
+  }
+  const plan = getPlan(planCode);
+  const periodEnd = isoToEpoch(attrs.renews_at) || isoToEpoch(attrs.ends_at);
+  const orderId = String(attrs.order_id || "");
+  const key = generateLicenseKey();
+
+  // Idempotenza: se ricevo lo stesso subscription_created due volte,
+  // riuso la licenza esistente (non ne creo un'altra).
+  const existing = await one(
+    "SELECT id, license_key FROM licenses WHERE subscription_id=? LIMIT 1",
+    [subId],
+  );
+  if (existing) {
+    await exec(
+      `UPDATE licenses
+          SET status='active', plan=?, daily_limit=?, current_period_end=?, updated_at=?
+        WHERE id=?`,
+      [planCode, plan.daily_limit, periodEnd, t, existing.id],
+    );
+    return { status: 200, body: { ok: true, duplicate: true } };
+  }
+
+  try {
+    await exec(
+      `INSERT INTO licenses
+         (license_key, email, status, plan, daily_limit,
+          source, order_id, subscription_id, current_period_end,
+          created_at, updated_at)
+       VALUES (?, ?, 'active', ?, ?, 'lemonsqueezy', ?, ?, ?, ?, ?)`,
+      [key, email, planCode, plan.daily_limit, orderId || null, subId, periodEnd, t, t],
+    );
+  } catch (e) {
+    if (e?.code === "ER_DUP_ENTRY") {
+      return { status: 200, body: { ok: true, duplicate: true } };
+    }
+    throw e;
+  }
+
+  try {
+    await sendLicenseEmail(email, key, { plan: planCode, periodEnd });
+  } catch (e) {
+    console.error("[email] send failed:", e?.message || e);
+  }
+  return { status: 200, body: { ok: true, plan: planCode } };
+}
+
+async function handleSubscriptionUpdated(payload, attrs, t) {
+  const subId = String(payload?.data?.id || "");
+  if (!subId) return { status: 400, body: { error: "Missing subscription_id" } };
+  const variantId = extractVariantId(payload, attrs);
+  const planCode = planByVariantId(variantId);
+  const periodEnd = isoToEpoch(attrs.renews_at) || isoToEpoch(attrs.ends_at);
+
+  if (planCode) {
+    const plan = getPlan(planCode);
+    await exec(
+      `UPDATE licenses
+          SET plan=?, daily_limit=?, current_period_end=?, updated_at=?
+        WHERE subscription_id=?`,
+      [planCode, plan.daily_limit, periodEnd, t, subId],
+    );
+  } else if (periodEnd) {
+    await exec(
+      `UPDATE licenses SET current_period_end=?, updated_at=? WHERE subscription_id=?`,
+      [periodEnd, t, subId],
+    );
+  }
+  return { status: 200, body: { ok: true } };
+}
+
+async function handleSubscriptionPaymentSuccess(payload, attrs, t) {
+  // L'evento di pagamento riferisce alla subscription via attrs.subscription_id
+  const subId = String(attrs.subscription_id || payload?.data?.id || "");
+  if (!subId) return { status: 400, body: { error: "Missing subscription_id" } };
+
+  // Quando un rinnovo va a buon fine LS sposta avanti renews_at.
+  // Per essere sicuri leggiamo l'evento PIU' recente (subscription_updated
+  // viene inviato a stretto giro), oppure deduciamo: +30 giorni.
+  const periodEnd = isoToEpoch(attrs.renews_at)
+    || isoToEpoch(attrs.created_at)
+    || (t + 30 * 24 * 3600);
+
+  await exec(
+    `UPDATE licenses
+        SET status='active', current_period_end=?, updated_at=?
+      WHERE subscription_id=?`,
+    [periodEnd, t, subId],
+  );
+  return { status: 200, body: { ok: true } };
+}
+
+async function handleSubscriptionExpired(payload, attrs, t) {
+  const subId = String(payload?.data?.id || attrs.subscription_id || "");
+  if (!subId) return { status: 400, body: { error: "Missing subscription_id" } };
+  await exec(
+    `UPDATE licenses SET status='revoked', updated_at=? WHERE subscription_id=?`,
+    [t, subId],
+  );
+  return { status: 200, body: { ok: true } };
+}
+
+// ---- Entry point ----------------------------------------------------------
+
 export async function webhook(req, res) {
-  // express.raw() salva il body come Buffer in req.body
   const raw = req.body instanceof Buffer ? req.body.toString("utf-8") : "";
   const sig = req.get("X-Signature") || "";
   const secret = process.env.LEMONSQUEEZY_SIGNING_SECRET;
@@ -39,45 +254,45 @@ export async function webhook(req, res) {
 
   const eventName = payload?.meta?.event_name || "";
   const attrs = payload?.data?.attributes || {};
-  const email = String(attrs.user_email || "").trim().toLowerCase();
-  const orderId = String(payload?.data?.id || attrs.order_number || "");
-  if (!email || !orderId) {
-    return res.status(400).json({ error: "Missing email or order_id" });
-  }
-
   const t = now();
 
-  if (eventName === "order_created") {
+  let out;
-    const key = generateLicenseKey();
   try {
-      await exec(
+    switch (eventName) {
-        `INSERT INTO licenses
+      case "order_created":
-           (license_key, email, status, source, order_id, created_at, updated_at)
+        out = await handleOrderCreated(payload, attrs, t);
-         VALUES (?, ?, 'active', 'lemonsqueezy', ?, ?, ?)`,
+        break;
-        [key, email, orderId, t, t],
+      case "order_refunded":
-      );
+        out = await handleOrderRefunded(payload, attrs, t);
+        break;
+      case "subscription_created":
+        out = await handleSubscriptionCreated(payload, attrs, t);
+        break;
+      case "subscription_updated":
+      case "subscription_resumed":
+      case "subscription_unpaused":
+        out = await handleSubscriptionUpdated(payload, attrs, t);
+        break;
+      case "subscription_payment_success":
+        out = await handleSubscriptionPaymentSuccess(payload, attrs, t);
+        break;
+      case "subscription_expired":
+        out = await handleSubscriptionExpired(payload, attrs, t);
+        break;
+      case "subscription_cancelled":
+      case "subscription_paused":
+      case "subscription_payment_failed":
+      case "subscription_payment_refunded":
+        // No-op: il record resta com'e' fino al prossimo evento che cambia stato.
+        out = { status: 200, body: { ok: true, ignored: eventName } };
+        break;
+      default:
+        out = { status: 200, body: { ok: true, ignored: eventName } };
+    }
   } catch (e) {
-      // duplicate webhook delivery
+    console.error("[ls] handler error", eventName, e?.message || e);
-      if (e?.code === "ER_DUP_ENTRY") {
+    return res.status(500).json({ error: "Internal error" });
-        return res.json({ ok: true, duplicate: true });
-      }
-      throw e;
-    }
-    try {
-      await sendLicenseEmail(email, key);
-    } catch (e) {
-      console.error("[email] send failed:", e?.message || e);
-    }
-    return res.json({ ok: true });
   }
 
-  if (eventName === "order_refunded") {
+  return res.status(out.status).json(out.body);
-    await exec(
-      `UPDATE licenses SET status='refunded', updated_at=? WHERE order_id=?`,
-      [t, orderId],
-    );
-    return res.json({ ok: true });
-  }
-
-  res.json({ ok: true, ignored: eventName });
 }

server/src/license.js

@@ -1,6 +1,7 @@
 import crypto from "node:crypto";
 import { one, exec } from "./db.js";
 import { signJwt, verifyJwt } from "./jwt.js";
+import { getPlan, planSnapshot } from "./plans.js";
 
 const MAX_ACTIVATIONS = Number(process.env.MAX_ACTIVATIONS || 3);
 const TOKEN_TTL_DAYS = Number(process.env.TOKEN_TTL_DAYS || 30);
@@ -9,18 +10,54 @@ const now = () => Math.floor(Date.now() / 1000);
 const normEmail = (s) => String(s || "").trim().toLowerCase();
 const normKey = (s) => String(s || "").trim().toUpperCase();
 
+/**
+ * Verifica che una licenza sia ancora "utilizzabile" oggi.
+ * Ritorna { ok: true } oppure { ok: false, error: "..." }.
+ *
+ * Casi gestiti:
+ *  - annual one-time scaduto (expires_at < now)
+ *  - subscription scaduta (current_period_end < now)
+ */
+function checkLicenseValidity(license, t = now()) {
+  if (license.status !== "active") {
+    return { ok: false, error: "Licenza non piu' valida (rimborsata o revocata)." };
+  }
+  if (license.expires_at && Number(license.expires_at) < t) {
+    return { ok: false, error: "L'abbonamento annuale e' scaduto. Riacquista per continuare." };
+  }
+  if (license.current_period_end && Number(license.current_period_end) < t) {
+    return { ok: false, error: "L'abbonamento e' scaduto o e' fallito il rinnovo. Verifica su Lemon Squeezy." };
+  }
+  return { ok: true };
+}
+
 async function issueToken(license, deviceId) {
   const t = now();
-  return signJwt({
+  const plan = planSnapshot(license.plan);
+  const claims = {
     sub: String(license.id),
     key_id: license.license_key,
     email: license.email,
     device_id: deviceId,
     iat: t,
     exp: t + TOKEN_TTL_DAYS * 86400,
-  }, process.env.JWT_SECRET);
+  };
+  if (plan) {
+    claims.plan = plan.code;
+    claims.plan_name = plan.name;
+    claims.daily_limit = plan.daily_limit;
+    claims.features = plan.features;
+    claims.is_subscription = plan.is_subscription;
+  }
+  if (license.expires_at) claims.expires_at = Number(license.expires_at);
+  if (license.current_period_end) claims.period_end = Number(license.current_period_end);
+  return signJwt(claims, process.env.JWT_SECRET);
 }
 
+const LICENSE_COLUMNS =
+  "id, license_key, email, status, plan, daily_limit, " +
+  "subscription_id, current_period_end, expires_at";
+
 export async function activate(req, res) {
   const { key, email, device_id, device_name, app_version } = req.body || {};
   const K = normKey(key), E = normEmail(email);
@@ -30,15 +67,15 @@ export async function activate(req, res) {
   }
 
   const license = await one(
-    "SELECT id, license_key, email, status FROM licenses WHERE license_key=? AND email=? LIMIT 1",
+    `SELECT ${LICENSE_COLUMNS} FROM licenses
+      WHERE license_key=? AND email=? LIMIT 1`,
     [K, E],
   );
   if (!license) {
     return res.status(404).json({ error: "Chiave o email non corrispondono a un acquisto." });
   }
-  if (license.status !== "active") {
+  const check = checkLicenseValidity(license);
-    return res.status(403).json({ error: "Licenza non piu' valida (rimborsata o revocata)." });
+  if (!check.ok) return res.status(403).json({ error: check.error });
-  }
 
   const t = now();
   const existing = await one(
@@ -71,7 +108,15 @@ export async function activate(req, res) {
   }
 
   const token = await issueToken(license, D);
-  res.json({ token, activated_at: t, email: license.email });
+  const plan = planSnapshot(license.plan);
+  res.json({
+    token,
+    activated_at: t,
+    email: license.email,
+    plan,
+    expires_at: license.expires_at ? Number(license.expires_at) : null,
+    period_end: license.current_period_end ? Number(license.current_period_end) : null,
+  });
 }
 
 export async function validate(req, res) {
@@ -85,12 +130,14 @@ export async function validate(req, res) {
   if (claims.device_id !== D) return res.status(401).json({ error: "device_id mismatch" });
 
   const license = await one(
-    "SELECT id, license_key, email, status FROM licenses WHERE id=?",
+    `SELECT ${LICENSE_COLUMNS} FROM licenses WHERE id=?`,
     [claims.sub],
   );
-  if (!license || license.status !== "active") {
+  if (!license) return res.status(401).json({ error: "Licenza non trovata" });
-    return res.status(401).json({ error: "Licenza non attiva" });
+
-  }
+  const check = checkLicenseValidity(license);
+  if (!check.ok) return res.status(401).json({ error: check.error });
+
   const act = await one(
     "SELECT id, revoked_at FROM activations WHERE license_id=? AND device_id=?",
     [license.id, D],
@@ -105,7 +152,14 @@ export async function validate(req, res) {
   );
 
   const fresh = await issueToken(license, D);
-  res.json({ token: fresh, email: license.email });
+  const plan = planSnapshot(license.plan);
+  res.json({
+    token: fresh,
+    email: license.email,
+    plan,
+    expires_at: license.expires_at ? Number(license.expires_at) : null,
+    period_end: license.current_period_end ? Number(license.current_period_end) : null,
+  });
 }
 
 export async function deactivate(req, res) {
@@ -126,6 +180,24 @@ export async function deactivate(req, res) {
   res.json({ ok: true });
 }
 
+/**
+ * Helper interno: dato un token JWT valido, ritorna la riga licenze
+ * fresca dal DB (per quota checks, downloads, ecc.). Ritorna null se
+ * il token e' invalido o la licenza non e' piu' attiva.
+ */
+export async function licenseFromToken(token) {
+  const claims = verifyJwt(String(token || ""), process.env.JWT_SECRET);
+  if (!claims) return null;
+  const lic = await one(
+    `SELECT ${LICENSE_COLUMNS} FROM licenses WHERE id=?`,
+    [claims.sub],
+  );
+  if (!lic) return null;
+  const check = checkLicenseValidity(lic);
+  if (!check.ok) return null;
+  return { license: lic, claims };
+}
+
 // Esposto per uso interno (es. webhook genera chiave nuova)
 export function generateLicenseKey() {
   const alphabet = "ABCDEFGHJKLMNPQRSTUVWXYZ23456789";

server/src/plans.js

@@ -0,0 +1,105 @@
+/**
+ * Source of truth per i piani MusicTools.
+ *
+ * Mappa anche i variant_id di Lemon Squeezy -> plan code, cosi' il
+ * webhook puo' capire quale piano e' stato comprato senza if/else sparsi.
+ *
+ * I variant_id si trovano nel dashboard LS: Products -> click sul prodotto
+ * -> Variants -> "Edit" -> URL contiene /variants/<id>. Vanno messi in
+ * .env (LS_VARIANT_*); qui li leggiamo con fallback null.
+ *
+ * NOTA su 'features': non e' un set di "tab" ma un set di capability
+ * lato server. Il client mostra/nasconde le tab in base a queste.
+ *  - "audio"    : download brani (tab Brani)
+ *  - "video"    : download video YouTube/TikTok/IG/FB (tab Video)
+ *  - "record"   : registrazione audio (tab Registra)
+ *  - "metadata" : editor metadati (tab Metadati)
+ *  - "upgrade"  : upgrade qualita' libreria (tab Upgrade)
+ *
+ * Limiti giornalieri (daily_limit, null = unlimited): contiamo come "uso"
+ * ogni avvio di un job di download (1 chiamata a /api/usage/consume) E
+ * ogni salvataggio metadati. La registrazione e' un'azione bound a 1
+ * file/giorno: pure 1.
+ */
+
+export const PLANS = {
+  basic: {
+    code: "basic",
+    name: "Basic",
+    price_eur: 2.99,
+    interval: "monthly",
+    daily_limit: 10,
+    features: ["audio"],
+    is_subscription: true,
+    ls_variant_env: "LS_VARIANT_BASIC",
+  },
+  pro: {
+    code: "pro",
+    name: "Pro",
+    price_eur: 5.99,
+    interval: "monthly",
+    daily_limit: 30,
+    features: ["audio", "video", "record", "metadata", "upgrade"],
+    is_subscription: true,
+    ls_variant_env: "LS_VARIANT_PRO",
+  },
+  premium: {
+    code: "premium",
+    name: "Premium",
+    price_eur: 9.99,
+    interval: "monthly",
+    daily_limit: 150,
+    features: ["audio", "video", "record", "metadata", "upgrade"],
+    is_subscription: true,
+    ls_variant_env: "LS_VARIANT_PREMIUM",
+  },
+  annual: {
+    code: "annual",
+    name: "Annual",
+    price_eur: 49.90,
+    interval: "annual_one_time",
+    daily_limit: null,
+    features: ["audio", "video", "record", "metadata", "upgrade"],
+    is_subscription: false,
+    ls_variant_env: "LS_VARIANT_ANNUAL",
+  },
+};
+
+export const PLAN_CODES = Object.keys(PLANS);
+
+/** Ritorna il plan code mappato a un LS variant_id, o null se non noto. */
+export function planByVariantId(variantId) {
+  const vid = String(variantId || "").trim();
+  if (!vid) return null;
+  for (const code of PLAN_CODES) {
+    const envName = PLANS[code].ls_variant_env;
+    const mapped = String(process.env[envName] || "").trim();
+    if (mapped && mapped === vid) return code;
+  }
+  return null;
+}
+
+export function getPlan(code) {
+  return PLANS[code] || null;
+}
+
+/** Forma stabile per inclusione nei JWT claims / risposte API. */
+export function planSnapshot(code) {
+  const p = getPlan(code);
+  if (!p) return null;
+  return {
+    code: p.code,
+    name: p.name,
+    daily_limit: p.daily_limit,
+    features: p.features.slice(),
+    is_subscription: p.is_subscription,
+  };
+}
+
+export function hasFeature(code, feature) {
+  const p = getPlan(code);
+  return !!(p && p.features.includes(feature));
+}
+
+/** Durata annual one-time in secondi (365 giorni). */
+export const ANNUAL_TTL_SECONDS = 365 * 24 * 3600;

server/src/server.js

@@ -4,6 +4,8 @@ import express from "express";
 import * as license from "./license.js";
 import * as updates from "./updates.js";
 import * as ls from "./lemonsqueezy.js";
+import * as dl from "./downloads.js";
+import * as usage from "./usage.js";
 
 const app = express();
 
@@ -41,10 +43,17 @@ app.post("/api/license/activate",   license.activate);
 app.post("/api/license/validate",   license.validate);
 app.post("/api/license/deactivate", license.deactivate);
 
+// Quota giornaliera
+app.get("/api/usage/status",   usage.status);
+app.post("/api/usage/consume", usage.consume);
+
 // Aggiornamenti + download firmato
 app.get("/api/latest",   updates.latest);
 app.get("/api/download", updates.download);
 
+// 1-click download dall'email (key+email come query -> redirect signed)
+app.get("/api/download/:platform", dl.downloadByKey);
+
 // 404 JSON solo per /api/*
 app.use("/api", (_req, res) => res.status(404).json({ error: "Not found" }));
 

server/src/usage.js

@@ -0,0 +1,161 @@
+/**
+ * Quota giornaliera per piano.
+ *
+ * Il client chiama:
+ *  - GET /api/usage/status   (Bearer JWT) -> solo lettura, no incremento
+ *  - POST /api/usage/consume (Bearer JWT) -> +1 al contatore, ritorna esito
+ *
+ * Il "giorno" e' YYYY-MM-DD nella timezone Europe/Rome. In questo modo
+ * tutti i clienti hanno lo stesso reset (mezzanotte di Roma) — semplifica
+ * il marketing ("10 download al giorno, resettati a mezzanotte").
+ */
+
+import { one, exec } from "./db.js";
+import { licenseFromToken } from "./license.js";
+import { getPlan, planSnapshot } from "./plans.js";
+
+const now = () => Math.floor(Date.now() / 1000);
+
+/** YYYY-MM-DD nella timezone Europe/Rome, partendo da un istante epoch. */
+export function romeDay(epochSeconds = Math.floor(Date.now() / 1000)) {
+  const d = new Date(epochSeconds * 1000);
+  // Intl con time zone -> formatta in YYYY-MM-DD senza problemi DST.
+  const fmt = new Intl.DateTimeFormat("en-CA", {
+    timeZone: "Europe/Rome",
+    year: "numeric",
+    month: "2-digit",
+    day: "2-digit",
+  });
+  // en-CA -> "2026-06-09"
+  return fmt.format(d);
+}
+
+function bearer(req) {
+  const auth = req.get("Authorization") || "";
+  return auth.startsWith("Bearer ") ? auth.slice(7).trim() : "";
+}
+
+async function loadAuthorized(req, res) {
+  const token = bearer(req) || String(req.body?.token || "");
+  if (!token) {
+    res.status(401).json({ error: "Missing token" });
+    return null;
+  }
+  const auth = await licenseFromToken(token);
+  if (!auth) {
+    res.status(401).json({ error: "Licenza non valida o scaduta" });
+    return null;
+  }
+  return auth;
+}
+
+/** Risposta compatta usata da entrambi gli endpoint. */
+function buildResponse(plan, limit, used) {
+  const remaining = limit === null ? null : Math.max(0, limit - used);
+  return {
+    plan,
+    used,
+    limit,                // null = illimitato
+    remaining,            // null = illimitato
+    day: romeDay(),
+  };
+}
+
+/** Quanti download ha gia' fatto la licenza oggi (Europe/Rome). */
+async function readUsedToday(licenseId, day) {
+  const row = await one(
+    "SELECT count FROM daily_usage WHERE license_id=? AND day=?",
+    [licenseId, day],
+  );
+  return Number(row?.count || 0);
+}
+
+export async function status(req, res) {
+  const auth = await loadAuthorized(req, res);
+  if (!auth) return;
+  const { license } = auth;
+  const plan = planSnapshot(license.plan);
+  const limit = plan?.daily_limit ?? null;
+  const day = romeDay();
+  const used = limit === null ? 0 : await readUsedToday(license.id, day);
+  res.json(buildResponse(plan, limit, used));
+}
+
+/**
+ * Incrementa di 1 il contatore del giorno corrente per la licenza,
+ * rifiutando con 429 se gia' al limite. Lo facciamo con una UPDATE
+ * condizionale + INSERT-or-no-op cosi' e' atomico anche sotto carico.
+ */
+export async function consume(req, res) {
+  const auth = await loadAuthorized(req, res);
+  if (!auth) return;
+  const { license } = auth;
+  const plan = planSnapshot(license.plan);
+  if (!plan) return res.status(403).json({ error: "Piano non riconosciuto" });
+
+  // (Opzionale) il client puo' passare {feature: "video"} per chiarezza,
+  // ma noi gating-amo gia' lato client e basta avere un piano valido qui.
+  const feature = String(req.body?.feature || "").trim();
+  if (feature && !plan.features.includes(feature)) {
+    return res.status(403).json({
+      error: `Il piano ${plan.name} non include questa funzione.`,
+      plan,
+    });
+  }
+
+  const limit = plan.daily_limit;
+  const day = romeDay();
+  const t = now();
+
+  // Unlimited (annual): nessun gate, conta comunque per le statistiche.
+  if (limit === null) {
+    await exec(
+      `INSERT INTO daily_usage (license_id, day, count, updated_at)
+            VALUES (?, ?, 1, ?)
+       ON DUPLICATE KEY UPDATE count = count + 1, updated_at = VALUES(updated_at)`,
+      [license.id, day, t],
+    );
+    const used = await readUsedToday(license.id, day);
+    return res.json({ ...buildResponse(plan, limit, used), allowed: true });
+  }
+
+  // Limited: prova incremento condizionato. Se la riga non esiste,
+  // INSERT iniziale (count=1). Se esiste e count<limit -> +1, altrimenti
+  // affectedRows=0 e ritorniamo 429.
+  const upd = await exec(
+    `UPDATE daily_usage
+        SET count = count + 1, updated_at = ?
+      WHERE license_id = ? AND day = ? AND count < ?`,
+    [t, license.id, day, limit],
+  );
+
+  if (upd.affectedRows === 0) {
+    // Due casi: riga non esiste (mai usato oggi) oppure gia' al limite.
+    const existing = await one(
+      "SELECT count FROM daily_usage WHERE license_id=? AND day=?",
+      [license.id, day],
+    );
+    if (!existing) {
+      try {
+        await exec(
+          `INSERT INTO daily_usage (license_id, day, count, updated_at)
+                VALUES (?, ?, 1, ?)`,
+          [license.id, day, t],
+        );
+        return res.json({ ...buildResponse(plan, limit, 1), allowed: true });
+      } catch (e) {
+        if (e?.code !== "ER_DUP_ENTRY") throw e;
+        // race: qualcun altro l'ha inserita -> rileggi
+      }
+    }
+    const used = await readUsedToday(license.id, day);
+    return res.status(429).json({
+      ...buildResponse(plan, limit, used),
+      allowed: false,
+      error: `Limite giornaliero raggiunto (${limit}/${limit}). Riprova dopo mezzanotte o passa a un piano superiore.`,
+    });
+  }
+
+  const used = await readUsedToday(license.id, day);
+  res.json({ ...buildResponse(plan, limit, used), allowed: true });
+}

webui/css/style.css

@@ -58,6 +58,38 @@
   --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.7);
 }
 
+/* Tema chiaro: override delle custom properties via data-theme="light"
+   sull'elemento <html>. I colori brand (verde, blu, viola, ecc.) restano
+   uguali per non perdere identita'. */
+html[data-theme="light"] {
+  --bg: #FFFFFF;
+  --bg-elev: #F7F7F8;
+  --bg-card: #FFFFFF;
+  --bg-card-2: #F2F3F5;
+  --bg-input: #EDEEF1;
+  --bg-input-hover: #E2E4E8;
+
+  --border: #E2E4E8;
+  --divider: #ECEDF0;
+
+  --text: #111315;
+  --text-2: #4A4D52;
+  --text-3: #8A8E94;
+
+  --green-dim: #C8F0D5;
+  --blue-dim: #D6E6FB;
+  --purple-dim: #E9D8FD;
+  --pink-dim: #FBCFE8;
+  --amber-dim: #FDE68A;
+  --rec-red-dim: #FECACA;
+  --indigo-dim: #C7D2FE;
+
+  --shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
+  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.1);
+
+  color-scheme: light;
+}
+
 * {
   box-sizing: border-box;
   margin: 0;
@@ -194,6 +226,67 @@ button, input, select, textarea { font-family: inherit; font-size: inherit; }
   margin-top: 2px;
 }
 
+/* ===============================
+   QUOTA BOX (sidebar)
+   =============================== */
+.quota-box {
+  margin: 10px 8px 0;
+  padding: 10px 12px;
+  background: rgba(29, 185, 84, 0.08);
+  border: 1px solid rgba(29, 185, 84, 0.25);
+  border-radius: 10px;
+  text-align: center;
+}
+.quota-box[hidden] { display: none; }
+.quota-label {
+  font-size: 10px;
+  font-weight: 700;
+  letter-spacing: 1px;
+  color: var(--text-3);
+  text-transform: uppercase;
+}
+.quota-value {
+  font-size: 22px;
+  font-weight: 800;
+  color: var(--text);
+  margin: 2px 0;
+}
+.quota-sep { color: var(--text-3); margin: 0 4px; font-weight: 400; }
+.quota-plan {
+  font-size: 11px;
+  color: var(--green);
+  font-weight: 700;
+  letter-spacing: 0.5px;
+  text-transform: uppercase;
+}
+.quota-upgrade {
+  margin-top: 8px;
+  background: var(--green);
+  border: none;
+  color: #000;
+  font-weight: 700;
+  font-size: 11px;
+  padding: 6px 12px;
+  border-radius: 999px;
+  cursor: pointer;
+  width: 100%;
+}
+.quota-upgrade[hidden] { display: none; }
+.quota-upgrade:hover { filter: brightness(1.1); }
+
+/* Modal Upgrade — testo prose, non monospace */
+#upgradeModal .modal-body {
+  font-family: inherit;
+  font-size: 14px;
+  color: var(--text);
+  white-space: normal;
+}
+#upgradeModal .modal-body p { margin: 0 0 10px; line-height: 1.5; }
+#upgradeModal .modal-body .modal-hint {
+  color: var(--text-2);
+  font-size: 13px;
+}
+
 /* ===============================
    MAIN
    =============================== */
@@ -1433,13 +1526,13 @@ input[type="number"]::-webkit-inner-spin-button {
 
 .rec-error-log {
   margin-top: 12px;
-  background: #0d0d0d;
+  background: var(--bg-card-2);
   border: 1px solid var(--border);
   border-radius: 10px;
   padding: 14px;
   font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
   font-size: 12px;
-  color: #c0c0c0;
+  color: var(--text-2);
   max-height: 320px;
   overflow: auto;
   white-space: pre-wrap;

webui/index.html

@@ -21,23 +21,23 @@
       <div class="divider"></div>
 
       <nav class="nav">
-        <button class="nav-item active" data-view="download">
+        <button class="nav-item active" data-view="download" data-feature="audio">
           <span class="nav-icon">⬇</span>
           <span>Scarica</span>
         </button>
-        <button class="nav-item" data-view="video">
+        <button class="nav-item" data-view="video" data-feature="video">
           <span class="nav-icon">🎬</span>
           <span>Video</span>
         </button>
-        <button class="nav-item" data-view="upgrade">
+        <button class="nav-item" data-view="upgrade" data-feature="upgrade">
           <span class="nav-icon">⚡</span>
           <span>Upgrade</span>
         </button>
-        <button class="nav-item" data-view="meta">
+        <button class="nav-item" data-view="meta" data-feature="metadata">
           <span class="nav-icon">🏷</span>
           <span>Metadati</span>
         </button>
-        <button class="nav-item" data-view="record">
+        <button class="nav-item" data-view="record" data-feature="record">
           <span class="nav-icon">●</span>
           <span>Registra</span>
         </button>
@@ -51,6 +51,19 @@
         </button>
       </nav>
 
+      <div class="quota-box" id="quotaBox" hidden>
+        <div class="quota-label">Oggi</div>
+        <div class="quota-value">
+          <span id="quotaUsed">0</span>
+          <span class="quota-sep">/</span>
+          <span id="quotaLimit">10</span>
+        </div>
+        <div class="quota-plan" id="quotaPlanName">Basic</div>
+        <button type="button" class="quota-upgrade" id="quotaUpgradeBtn" hidden>
+          Upgrade
+        </button>
+      </div>
+
       <div class="footer">
         <div class="footer-by">by LuZa</div>
         <div class="footer-version" id="footerVersion">v1.0</div>
@@ -892,6 +905,23 @@
     </div>
   </div>
 
+  <!-- ============== MODAL: Upgrade richiesto ============== -->
+  <div class="modal-backdrop" id="upgradeModal" hidden>
+    <div class="modal">
+      <div class="modal-head">
+        <h2 id="upgradeModalTitle">Passa a un piano superiore</h2>
+        <button class="modal-close" id="upgradeCloseBtn">×</button>
+      </div>
+      <div class="modal-body" id="upgradeModalBody">
+        <!-- popolato dinamicamente -->
+      </div>
+      <div class="modal-foot">
+        <button class="btn btn-primary pill" id="upgradeOpenBtn">Vedi i piani</button>
+        <button class="btn btn-ghost pill" id="upgradeCloseBtn2">Chiudi</button>
+      </div>
+    </div>
+  </div>
+
   <!-- ============== TOAST ============== -->
   <div class="toast" id="toast"></div>
 

webui/js/app.js

@@ -80,7 +80,24 @@ function renderLicenseStatus() {
     box.innerHTML = `<div class="lic-warn">Licenza non attiva</div>`;
     return;
   }
+  const plan = lic.plan || {};
+  const planLine = plan.code
+    ? `<div class="lic-row"><span>Piano</span><strong>${plan.name || plan.code}</strong></div>`
+    : "";
+  const limitLine = plan.daily_limit
+    ? `<div class="lic-row"><span>Limite giornaliero</span><strong>${plan.daily_limit}</strong></div>`
+    : (plan.code === "annual"
+        ? `<div class="lic-row"><span>Limite giornaliero</span><strong>Illimitato</strong></div>`
+        : "");
+  const expiryLine = plan.expires_at
+    ? `<div class="lic-row"><span>Scade il</span><strong>${fmtDate(plan.expires_at)}</strong></div>`
+    : (plan.period_end
+        ? `<div class="lic-row"><span>Prossimo rinnovo</span><strong>${fmtDate(plan.period_end)}</strong></div>`
+        : "");
   box.innerHTML = `
+    ${planLine}
+    ${limitLine}
+    ${expiryLine}
     <div class="lic-row"><span>Email</span><strong>${lic.email || "—"}</strong></div>
     <div class="lic-row"><span>Chiave</span><strong>${lic.key || "—"}</strong></div>
     <div class="lic-row"><span>Attivata il</span><strong>${fmtDate(lic.activated_at)}</strong></div>
@@ -88,6 +105,109 @@ function renderLicenseStatus() {
   `;
 }
 
+// ============================================================
+// Piano e quota giornaliera
+// ============================================================
+function applyPlanGate() {
+  // Nasconde le tab non incluse nel piano corrente.
+  const lic = state.license || {};
+  const features = (lic.plan && lic.plan.features) || [];
+  $$(".nav-item[data-feature]").forEach((btn) => {
+    const f = btn.dataset.feature;
+    const allowed = features.includes(f);
+    btn.hidden = !allowed;
+    if (!allowed && btn.classList.contains("active")) {
+      // Fallback alla prima tab disponibile (audio o settings)
+      const fallback = $$(".nav-item[data-feature]:not([hidden])")[0]
+        || $(".nav-item[data-view='settings']");
+      if (fallback) showView(fallback.dataset.view);
+    }
+  });
+}
+
+function renderQuotaBox(q) {
+  const box = $("#quotaBox");
+  if (!box) return;
+  const lic = state.license || {};
+  const plan = (q && q.plan) || lic.plan || {};
+  if (!plan.code || plan.code === "annual" || plan.daily_limit == null) {
+    // Annual / unlimited -> niente contatore
+    box.hidden = true;
+    return;
+  }
+  box.hidden = false;
+  $("#quotaUsed").textContent = String((q && q.used) ?? 0);
+  $("#quotaLimit").textContent = String(plan.daily_limit);
+  $("#quotaPlanName").textContent = plan.name || plan.code;
+  const upBtn = $("#quotaUpgradeBtn");
+  if (upBtn) upBtn.hidden = plan.code === "premium";
+}
+
+async function refreshQuota() {
+  const lic = state.license || {};
+  const plan = lic.plan || {};
+  if (!lic.licensed || !plan.code || plan.daily_limit == null) {
+    renderQuotaBox(null);
+    return;
+  }
+  try {
+    const res = await window.pywebview.api.get_quota_status();
+    if (res && res.ok) {
+      renderQuotaBox(res.quota);
+    }
+  } catch (_e) { /* offline: lascia stato precedente */ }
+}
+
+function showUpgradeModal(reason, payload) {
+  const modal = $("#upgradeModal");
+  if (!modal) return;
+  const title = $("#upgradeModalTitle");
+  const body = $("#upgradeModalBody");
+  if (reason === "feature_not_in_plan") {
+    title.textContent = "Funzione non inclusa nel piano";
+    body.innerHTML = `
+      <p>${payload.error || "Questa funzione non e' inclusa nel tuo piano."}</p>
+      <p class="modal-hint">Passa a un piano superiore per sbloccarla.</p>
+    `;
+  } else if (reason === "quota_exceeded") {
+    const q = payload.quota || {};
+    title.textContent = "Limite giornaliero raggiunto";
+    body.innerHTML = `
+      <p>${payload.error || "Hai raggiunto il limite giornaliero del tuo piano."}</p>
+      <p class="modal-hint">Usati oggi: <strong>${q.used ?? "?"} / ${q.limit ?? "?"}</strong>. Il contatore si resetta a mezzanotte (ora di Roma).</p>
+    `;
+  } else if (reason === "license_invalid") {
+    title.textContent = "Licenza non valida";
+    body.innerHTML = `<p>${payload.error || "La tua licenza non e' piu' valida."}</p>`;
+  } else if (reason === "offline") {
+    title.textContent = "Connessione assente";
+    body.innerHTML = `<p>${payload.error || "Impossibile contattare il server."}</p>`;
+  } else {
+    title.textContent = "Operazione bloccata";
+    body.innerHTML = `<p>${payload.error || "L'operazione non e' stata avviata."}</p>`;
+  }
+  modal.hidden = false;
+}
+
+function hideUpgradeModal() {
+  const modal = $("#upgradeModal");
+  if (modal) modal.hidden = true;
+}
+
+/** Gestisce il dict di errore restituito dai metodi start_*: se e' un
+ *  gate failure (feature/quota/license/offline), mostra il modal e
+ *  ritorna true (= caller deve interrompere il flow). */
+function handleGateBlock(res) {
+  if (!res || res.ok !== false) return false;
+  const r = res.reason;
+  if (r === "feature_not_in_plan" || r === "quota_exceeded"
+      || r === "license_invalid" || r === "offline") {
+    showUpgradeModal(r, res);
+    return true;
+  }
+  return false;
+}
+
 async function activateLicense() {
   const email = $("#actEmail").value.trim();
   const key = $("#actKey").value.trim();
@@ -109,6 +229,8 @@ async function activateLicense() {
       state.license = res.license;
       applyLicenseGate();
       renderLicenseStatus();
+      applyPlanGate();
+      refreshQuota();
       toast("Licenza attivata. Benvenuto!", "success");
     } else {
       err.textContent = res.error || "Errore di attivazione.";
@@ -143,6 +265,7 @@ window.bridge = {
 
 const bridgeHandlers = {
   "log": ({ view, msg }) => appendLog(view, msg),
+  "quota:update": (q) => renderQuotaBox(q),
 
   "download:progress": (p) => {
     if (typeof p.overall === "number") {
@@ -317,6 +440,11 @@ function showView(name) {
   $$(".nav-item").forEach((b) => b.classList.toggle("active", b.dataset.view === name));
 }
 
+function applyTheme(theme) {
+  const t = theme === "light" ? "light" : "dark";
+  document.documentElement.dataset.theme = t;
+}
+
 $$(".nav-item").forEach((btn) => {
   btn.addEventListener("click", () => showView(btn.dataset.view));
 });
@@ -336,6 +464,8 @@ async function init() {
 
   applyLicenseGate();
   renderLicenseStatus();
+  applyPlanGate();
+  refreshQuota();
 
   // Populate Settings fields
   $("#clientIdInput").value = state.config.client_id || "";
@@ -345,6 +475,7 @@ async function init() {
   $("#cookiesInput").value = state.config.cookies_path || "";
   $("#outputInput").value = state.config.output_dir || "";
   $("#themeSelect").value = state.config.theme || "dark";
+  applyTheme(state.config.theme);
 
   // Download tab — usa output_dir come default
   state.dlOutputDir = state.config.output_dir || "";
@@ -471,7 +602,7 @@ $("#downloadBtn").addEventListener("click", async () => {
           subfolder: "",
         });
         if (!res.ok) {
-          toast(res.error || "Errore", "error");
+          if (!handleGateBlock(res)) toast(res.error || "Errore", "error");
           bridgeHandlers["download:done"]();
         }
         return;
@@ -484,7 +615,7 @@ $("#downloadBtn").addEventListener("click", async () => {
   }
 
   if (!res.ok) {
-    toast(res.error || "Errore", "error");
+    if (!handleGateBlock(res)) toast(res.error || "Errore", "error");
     bridgeHandlers["download:done"]();
   }
 });
@@ -541,7 +672,7 @@ $("#videoDownloadBtn").addEventListener("click", async () => {
     audio_only: videoMode === "audio",
   });
   if (!res.ok) {
-    toast(res.error || "Errore", "error");
+    if (!handleGateBlock(res)) toast(res.error || "Errore", "error");
     bridgeHandlers["video:done"]();
   }
 });
@@ -602,7 +733,7 @@ $("#upgradeBtn").addEventListener("click", async () => {
     threshold: parseInt($("#upThreshold").value, 10) || 310,
   });
   if (!res.ok) {
-    toast(res.error || "Errore", "error");
+    if (!handleGateBlock(res)) toast(res.error || "Errore", "error");
     bridgeHandlers["upgrade:done"]();
   }
 });
@@ -694,7 +825,7 @@ $("#recStartBtn").addEventListener("click", async () => {
     bitrate: $("#recBitrate").value,
   });
   if (!res.ok) {
-    toast(res.error || "Errore", "error");
+    if (!handleGateBlock(res)) toast(res.error || "Errore", "error");
   }
 });
 
@@ -876,7 +1007,7 @@ $("#metaSaveBtn").addEventListener("click", async () => {
     await loadMetaFile(state.meta.path);
   } else {
     status.textContent = "";
-    toast("Errore: " + (res.error || ""), "error");
+    if (!handleGateBlock(res)) toast("Errore: " + (res.error || ""), "error");
   }
 });
 
@@ -902,6 +1033,10 @@ $("#browseOutputBtn").addEventListener("click", async () => {
   if (path) $("#outputInput").value = path;
 });
 
+$("#themeSelect").addEventListener("change", (e) => {
+  applyTheme(e.target.value);
+});
+
 $("#saveBtn").addEventListener("click", async () => {
   const payload = {
     client_id: $("#clientIdInput").value,
@@ -912,6 +1047,7 @@ $("#saveBtn").addEventListener("click", async () => {
     output_dir: $("#outputInput").value,
     theme: $("#themeSelect").value,
   };
+  applyTheme(payload.theme);
   const res = await window.pywebview.api.save_settings(payload);
   if (res.ok) {
     state.config = payload;
@@ -1003,6 +1139,8 @@ $("#revalidateLicenseBtn")?.addEventListener("click", async () => {
     if (res.ok) {
       state.license = res.license;
       renderLicenseStatus();
+      applyPlanGate();
+      refreshQuota();
       if (res.license.licensed) {
         toast("Licenza verificata", "success");
       } else {
@@ -1016,6 +1154,22 @@ $("#revalidateLicenseBtn")?.addEventListener("click", async () => {
   }
 });
 
+// ============================================================
+// Modal Upgrade
+// ============================================================
+$("#upgradeCloseBtn")?.addEventListener("click", hideUpgradeModal);
+$("#upgradeCloseBtn2")?.addEventListener("click", hideUpgradeModal);
+$("#upgradeModal")?.addEventListener("click", (e) => {
+  if (e.target === e.currentTarget) hideUpgradeModal();
+});
+$("#upgradeOpenBtn")?.addEventListener("click", async () => {
+  hideUpgradeModal();
+  try { await window.pywebview.api.open_purchase_page(); } catch (_e) {}
+});
+$("#quotaUpgradeBtn")?.addEventListener("click", async () => {
+  try { await window.pywebview.api.open_purchase_page(); } catch (_e) {}
+});
+
 // ============================================================
 // Boot
 // ============================================================