const express = require('express');
const path = require('path');
require('dotenv').config();
const { checkConnection } = require('./src/db');

const app = express();
const PORT = process.env.PORT || 3000;

// Шаблоны
app.set('view engine', 'ejs');
app.set('views', path.join(__dirname, 'views'));

// Статика
app.use(express.static(path.join(__dirname, 'public')));

// Парсинг форм
app.use(express.urlencoded({ extended: true }));

// Health check (для nubes_nodejs)
app.get('/healthz', async (req, res) => {
  try {
    await checkConnection();
    res.status(200).send('OK');
  } catch (e) {
    res.status(500).send('DB error');
  }
});

// Главная страница
app.get('/', (req, res) => {
  res.render('index', { title: 'IP WhiteList' });
});

async function start() {
  try {
    const ok = await checkConnection();
    console.log('DB connected:', ok);
    app.listen(PORT, () => console.log(`Server on port ${PORT}`));
  } catch (e) {
    console.error('DB connection failed:', e.message);
    process.exit(1);
  }
}

start();