import { Hono } from 'hono';
import { serveStatic } from '@hono/node-server/serve-static';
import { HttpError } from './utils/httpErrors.js';
import { loadUser } from './middleware/auth.js';
import { requireCsrf } from './middleware/csrf.js';
import accountRoutes from './modules/account/routes.js';
import alertRoutes from './modules/alerts/routes.js';
import authRoutes from './modules/auth/routes.js';
import notificationMethodRoutes from './modules/notificationMethods/routes.js';
import siteRoutes from './modules/sites/routes.js';
import { logger } from './utils/logger.js';

export function createApp() {
  const app = new Hono();

  app.use('*', loadUser);
  app.use('/api/*', requireCsrf);

  app.get('/api/health', (c) => c.json({ ok: true, service: 'CertRemind' }));
  app.route('/api/auth', authRoutes);
  app.route('/api/account', accountRoutes);
  app.route('/api/sites', siteRoutes);
  app.route('/api/alerts', alertRoutes);
  app.route('/api/notification-methods', notificationMethodRoutes);

  app.use('/assets/*', serveStatic({ root: './dist' }));
  app.get('*', serveStatic({ path: './dist/index.html' }));

  app.onError((error, c) => {
    if (error instanceof HttpError) {
      return c.json({ error: error.message, details: error.details }, error.status);
    }

    logger.error('api.unhandled_error', {
      message: error.message,
      stack: envSafeStack(error),
    });
    return c.json({ error: 'サーバーエラーが発生しました' }, 500);
  });

  return app;
}

function envSafeStack(error) {
  return process.env.NODE_ENV === 'production' ? undefined : error.stack;
}