import express from 'express';
import cors from 'cors';
import type { Express } from 'express';
import { getStringEnv } from '../../../shared/config/env.js';
import { apiKeyAuth } from '../../../shared/http/auth.middleware.js';
import { errorHandler } from '../../../shared/http/error-handler.js';
import { notFoundHandler } from '../../../shared/http/not-found.middleware.js';
import { mobileChatApiRouter } from './routes/chat.routes.js';

export function createMobileChatApp(): Express {
  const app = express();

  const corsOrigin = getStringEnv('CORS_ORIGIN') ?? 'http://localhost:4200';
  app.use(cors({ origin: corsOrigin.split(',').map((o) => o.trim()), credentials: true }));
  app.use(express.json({ limit: '1mb' }));
  app.use(apiKeyAuth);

  app.use('/api', mobileChatApiRouter);

  app.use(notFoundHandler);
  app.use(errorHandler);

  return app;
}