import { FastifyInstance, FastifyPluginAsync } from 'fastify';
import { drizzle } from 'drizzle-orm/node-postgres';
import pg from 'pg';
import fp from 'fastify-plugin';
import { env } from '../config/env.js';

const { Pool } = pg;

declare module 'fastify' {
  interface FastifyInstance {
    db: ReturnType<typeof drizzle>;
  }
}

const databasePlugin: FastifyPluginAsync = async (app: FastifyInstance) => {
  const pool = new Pool({
    connectionString: env.DATABASE_URL,
    max: 10,
    idleTimeoutMillis: 30000,
    connectionTimeoutMillis: 5000,
  });

  const db = drizzle(pool);

  app.decorate('db', db);

  app.addHook('onClose', async () => {
    await pool.end();
  });
};

export default fp(databasePlugin, { name: 'database' });