const express = require('express')
const dotenv = require('dotenv')

// Загрузить переменные окружения
dotenv.config()

// Подключение к MongoDB через mongoose
require('../../utils/mongoose')

// Импортировать маршруты
const authRoutes = require('./routes/auth')
const companiesRoutes = require('./routes/companies')
const messagesRoutes = require('./routes/messages')
const searchRoutes = require('./routes/search')
const buyRoutes = require('./routes/buy')
const experienceRoutes = require('./routes/experience')
const productsRoutes = require('./routes/products')

const mongoose = require('mongoose')

const app = express()

// Задержка для имитации сети (опционально)
const delay = (ms = 300) => (req, res, next) => setTimeout(next, ms)
app.use(delay())

// Health check endpoint
app.get('/health', (req, res) => {
  const mongodbStatus = mongoose.connection.readyState === 1 ? 'connected' : 'disconnected'
  res.json({
    status: 'ok',
    api: 'running',
    database: mongodbStatus,
    mongoUri: process.env.MONGODB_URI || 'mongodb://localhost:27017/procurement_db',
    timestamp: new Date().toISOString()
  })
})

// Маршруты
app.use('/auth', authRoutes)
app.use('/companies', companiesRoutes)
app.use('/messages', messagesRoutes)
app.use('/search', searchRoutes)
app.use('/buy', buyRoutes)
app.use('/experience', experienceRoutes)
app.use('/products', productsRoutes)

// Обработка ошибок
app.use((err, req, res, next) => {
  console.error('API Error:', err)
  res.status(err.status || 500).json({
    error: err.message || 'Internal server error'
  })
})

// 404 handler
app.use((req, res) => {
  res.status(404).json({
    error: 'Not found'
  })
})

// Экспортировать для использования в brojs
module.exports = app