import express, { Request, Response } from 'express';
import cors from 'cors';
import path from 'path';
import pino from 'pino';
import { config, validateConfig } from './config';
import { getDb } from './db';
import { ensureDefaultAdmin } from './services/users';
import authRoutes from './routes/auth';
import configRoutes from './routes/config';
import videoRoutes from './routes/videos';
import categoryRoutes from './routes/categories';
import logRoutes from './routes/logs';

const logger = pino({
  transport: config.nodeEnv === 'development' ? { target: 'pino-pretty' } : undefined,
});

async function main() {
  validateConfig();
  await getDb();
  await ensureDefaultAdmin();

  const app = express();
  app.use(cors());
  app.use(express.json());

  app.use('/api/auth', authRoutes);
  app.use('/api/accounts', configRoutes);
  app.use('/api/videos', videoRoutes);
  app.use('/api/categories', categoryRoutes);
  app.use('/api/logs', logRoutes);

  // Serve static frontend in production
  if (config.nodeEnv === 'production') {
    const staticPath = path.resolve(__dirname, '../../web/dist');
    app.use(express.static(staticPath));
    app.get('*', (_req: Request, res: Response) => {
      res.sendFile(path.join(staticPath, 'index.html'));
    });
  }

  app.use((err: Error, _req: Request, res: Response, _next: express.NextFunction) => {
    logger.error(err);
    res.status(500).json({ code: 500, message: err.message || 'Internal server error' });
  });

  app.listen(config.port, () => {
    logger.info(`Server listening on port ${config.port}`);
  });
}

main().catch((err) => {
  logger.error(err);
  process.exit(1);
});