-- CreateTable
CREATE TABLE "device_tokens" (
    "id" TEXT NOT NULL,
    "user_id" TEXT NOT NULL,
    "platform" TEXT NOT NULL,
    "endpoint" TEXT,
    "p256dh" TEXT,
    "auth" TEXT,
    "token" TEXT,
    "user_agent" TEXT,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "last_seen_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

    CONSTRAINT "device_tokens_pkey" PRIMARY KEY ("id")
);

-- CreateIndex
CREATE INDEX "device_tokens_user_id_idx" ON "device_tokens"("user_id");

-- CreateIndex
CREATE UNIQUE INDEX "device_tokens_user_id_endpoint_key" ON "device_tokens"("user_id", "endpoint");

-- AddForeignKey
ALTER TABLE "device_tokens" ADD CONSTRAINT "device_tokens_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;