import Fastify from 'fastify';
import cors from '@fastify/cors';
import jwt from '@fastify/jwt';
import multipart from '@fastify/multipart';
import fastifyStatic from '@fastify/static';
import { join } from 'path';
import { fileURLToPath } from 'url';
import { dirname } from 'path';
import dotenv from 'dotenv';
import authRoutes from './routes/auth.js';
import postRoutes from './routes/posts.js';
import imageRoutes from './routes/images.js';

// Load environment variables
dotenv.config();

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);

const app = Fastify({ 
  logger: true
});

// Register plugins
await app.register(cors, {
  origin: process.env.FRONTEND_URL || 'http://localhost:3000'
});

await app.register(jwt, {
  secret: process.env.JWT_SECRET || 'your-super-secret-key-change-this-in-production'
});

await app.register(multipart, {
  limits: {
    fileSize: 5 * 1024 * 1024 // 5MB
  }
});

await app.register(fastifyStatic, {
  root: join(__dirname, '../uploads'),
  prefix: '/uploads/'
});

// Create uploads directory if it doesn't exist
import { mkdirSync } from 'fs';
mkdirSync(join(__dirname, '../uploads'), { recursive: true });

// Register routes
await app.register(authRoutes);
await app.register(postRoutes);
await app.register(imageRoutes);

// Start the server
const start = async () => {
  try {
    await app.listen({ 
      port: process.env.PORT || 3001,
      host: process.env.HOST || 'localhost'
    });
    console.log(`Server listening on ${app.server.address().port}`);
  } catch (err) {
    app.log.error(err);
    process.exit(1);
  }
};

start();