const express = require('express');
const router = express.Router();
const path = require('path');
const { logger, ErrorLogger, logRequestInfo } = require('../config/logs');
const util = require('util');
const fs = require('fs');

router.use(express.json());

router.get('/', (req, res) => {
  res.render('acces-denied');
});

router.get('/attachments', (req, res) => {
  res.render('acces-denied');
});

router.get('/setup', (req, res) => {
  fs.readFile(path.join(__dirname, '../data/setup.json'), 'utf8', (err, data) => {
    if (err) {
      ErrorLogger.error('Error reading setup.json:', err);
      return res.status(500).json({ success: false, message: 'Error reading setup.json.' });
    }

    const setup = JSON.parse(data);

    if (Object.keys(setup).length === 0 && setup.constructor === Object) {
      res.render('setup', { setup });
    } else {
      res.status(200).json({message: 'The CDN configuration is already done.' });
    }
  });
});

router.post('/setup/save', (req, res) => {
  const setupData = {
    domain: req.body.domain ?? '',
    uptime: req.body.uptime ?? ''
  };

  if (!areAllFieldsEmpty(req.body.ldap)) {
    setupData.ldap = req.body.ldap;
  }

  if (!areAllFieldsEmpty(req.body.discord)) {
    setupData.discord = req.body.discord;
  }

  fs.writeFile(path.join(__dirname, '../data/setup.json'), JSON.stringify(setupData, null, 2), (err) => {
    if (err) {
      ErrorLogger.error('Error writing to setup.json:', err);
      return res.status(500).json({ success: false, message: 'Error writing to setup.json.' });
    }

    res.json({ success: true, message: 'The configuration data has been saved successfully.' });
  });
});

function areAllFieldsEmpty(obj) {
  return Object.values(obj).every(val => !val);
}

module.exports = router;