const express = require('express');
const fs = require('fs');
const path = require('path');
const router = express.Router();
const fileUpload = require('express-fileupload');
const authMiddleware = require('../../../Middlewares/authMiddleware');
const { loggers } = require('winston');
const ncp = require('ncp');
const util = require('util');
const ncpAsync = util.promisify(ncp.ncp);
const configFile = fs.readFileSync(path.join(__dirname, '../../../data', 'setup.json'), 'utf-8')
const config = JSON.parse(configFile);
const bodyParser = require('body-parser');
const crypto = require('crypto');
const os = require('os');
const { getUserData, getSetupData } = require('../../../Middlewares/watcherMiddleware');
const { logger, logRequestInfo, ErrorLogger, authLogger } = require('../../../config/logs');

let setupData = getSetupData();
let userData = getUserData();
router.use(bodyParser.json());

const User = require('../../../data/user.json');
const setup = JSON.parse(fs.readFileSync(path.join(__dirname, '../../../data', 'setup.json'), 'utf-8'));

router.get('/', authMiddleware, async (req, res) => {
    try {
        const data = fs.readFileSync(path.join(__dirname, '../../../data', 'user.json'), 'utf8');
        const users = JSON.parse(data);

        const user = users.find(user => user.name === req.user.name);

        if (!user || user.role !== 'admin') {
            console.log('Access denied'); 
            return res.status(403).json({ message: "You do not have the necessary rights to access this resource." });
        }

        let currentPage = Number(req.query.page) || 1;
        let limit = Number(req.query.limit) || 10;

        let totalUsers = users.length;
        let pages = Math.ceil(totalUsers / limit);

        let start = (currentPage - 1) * limit;
        let end = start + limit;
        let usersForPage = users.slice(start, end);

        res.render('paramAdminUser', { users: usersForPage, setup: setup, pages: pages, currentPage: currentPage, limit: limit });
    } catch (err) {
        console.error(err);
        res.status(500).send('Server Error');
    }
});

module.exports = router;