import fp from 'fastify-plugin';
import type { FastifyInstance } from 'fastify';
import { createDb, type Database } from '@source/database';

declare module 'fastify' {
  interface FastifyInstance {
    db: Database;
  }
}

export default fp(async (app: FastifyInstance) => {
  const databaseUrl = process.env.DATABASE_URL;
  if (!databaseUrl) {
    throw new Error('DATABASE_URL environment variable is required');
  }

  const db = createDb(databaseUrl);
  app.decorate('db', db);

  app.log.info('Database connected');
});