import cors from '@fastify/cors';
import helmet from '@fastify/helmet';
import rateLimit from '@fastify/rate-limit';
import sensible from '@fastify/sensible';
import Fastify, { type FastifyInstance } from 'fastify';

import { env } from './config/env.js';
import { dbRoutes } from './modules/db/db.routes.js';
import { healthRoutes } from './modules/health/health.routes.js';
import { meRoutes } from './modules/me/me.routes.js';
import { authPlugin } from './plugins/auth.js';
import { prismaPlugin } from './plugins/prisma.js';

export async function buildApp(): Promise<FastifyInstance> {
  const app = Fastify({
    logger: {
      level: env.LOG_LEVEL,
      ...(env.NODE_ENV === 'development'
        ? {
            transport: {
              target: 'pino-pretty',
              options: { translateTime: 'HH:MM:ss', ignore: 'pid,hostname' },
            },
          }
        : {}),
    },
    disableRequestLogging: env.NODE_ENV === 'production',
  });

  await app.register(helmet, { global: true });
  await app.register(cors, {
    origin: env.CORS_ORIGINS,
    credentials: true,
  });
  await app.register(rateLimit, {
    max: 100,
    timeWindow: '1 minute',
  });
  await app.register(sensible);
  await app.register(prismaPlugin);
  await app.register(authPlugin);

  await app.register(healthRoutes);
  await app.register(dbRoutes);
  await app.register(meRoutes);

  return app;
}