import express from 'express';
import cors from 'cors';
import path from 'path';
import { fileURLToPath } from 'url';
import tracksRouter from './routes/tracks.js';
import playlistsRouter from './routes/playlists.js';
import albumsRouter from './routes/albums.js';
import uploadRouter from './routes/upload.js';
import subsonicRouter from './routes/subsonic.js';
import settingsRouter from './routes/settings.js';
import { initDatabase } from './database/db.js';
import { loadConfig } from './routes/settings.js';

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

const app = express();

// Load config
const config = await loadConfig();
const PORT = process.env.PORT || config.port || 3000;

// Middleware
app.use(cors());
app.use(express.json());

// Log all requests for debugging
app.use((req, res, next) => {
  console.log(`📥 ${req.method} ${req.url}`);
  next();
});

// Initialize database
await initDatabase();

// Routes
app.use('/api/tracks', tracksRouter);
app.use('/api/playlists', playlistsRouter);
app.use('/api/albums', albumsRouter);
app.use('/api/upload', uploadRouter);
app.use('/api/settings', settingsRouter);

// Subsonic API
app.use('/rest', subsonicRouter);

// Serve static files
app.use(express.static('public'));

// Serve audio files (use configured path)
const libraryPath = path.isAbsolute(config.libraryPath) 
  ? config.libraryPath 
  : path.join(process.cwd(), config.libraryPath);
app.use('/audio', express.static(libraryPath));

// Artwork can be in data directory (Docker) or root (local)
const artworkPath = process.env.NODE_ENV === 'production' 
  ? path.join(process.cwd(), 'data', 'artwork')
  : path.join(process.cwd(), 'artwork');
app.use('/artwork', express.static(artworkPath));

// Health check
app.get('/health', (req, res) => {
  res.json({ status: 'ok', message: 'CarPlay Audio Server is running' });
});

app.listen(PORT, () => {
  console.log(`🎵 CarPlay Audio Server running on port ${PORT}`);
  console.log(`📁 Audio library: ${libraryPath}`);
  console.log(`🌐 Admin panel: http://localhost:${PORT}`);
});