import 'dotenv/config';
import express from 'express';
import cors from 'cors';
import path from 'path';
import { fileURLToPath } from 'url';
import { initDb } from './db.js';
import authRoutes from './routes/auth.js';
import contentRoutes from './routes/content.js';
import uploadRoutes from './routes/upload.js';
import multer from 'multer';

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const PORT = process.env.PORT || 3001;
const UPLOAD_DIR = process.env.UPLOAD_DIR || path.join(__dirname, 'uploads');

initDb();

const app = express();

app.use(cors({
  origin: process.env.CORS_ORIGIN || true,
  credentials: true,
}));

app.use(express.json({ limit: '10mb' }));
app.use('/uploads', express.static(UPLOAD_DIR));

app.get('/api/health', (_req, res) => {
  res.json({ status: 'ok', timestamp: new Date().toISOString() });
});

app.use('/api/auth', authRoutes);
app.use('/api/content', contentRoutes);
app.use('/api/upload', uploadRoutes);

app.use((err, _req, res, _next) => {
  if (err instanceof multer.MulterError && err.code === 'LIMIT_FILE_SIZE') {
    return res.status(413).json({ error: 'File too large (max 50MB)', code: 'FILE_TOO_LARGE' });
  }
  console.error(err);
  res.status(500).json({ error: err.message || 'Internal server error', code: 'SERVER_ERROR' });
});

app.listen(PORT, () => {
  console.log(`API server running on http://localhost:${PORT}`);
});