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').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());

/**
 * @swagger
 * /dashboard/getfile?token={token}:
 *   post:
 *     security:
 *       - bearerAuth: []
 *     tags:
 *       - File
 *     summary: Get file information
 *     description: This route allows you to get information about a specific file. It requires a valid JWT token in the Authorization header.
 *     requestBody:
 *       required: true
 *       content:
 *         application/json:
 *           schema:
 *             type: object
 *             properties:
 *               fileLink:
 *                 type: string
 *                 description: The link of the file to get information about
 *     parameters:
 *       - in: header
 *         name: Authorization
 *         required: true
 *         schema:
 *           type: string
 *         description: The JWT token of your account to have access
 *     responses:
 *       200:
 *         description: Success
 *         content:
 *           application/json:
 *             schema:
 *               type: object
 *               properties:
 *                 Id:
 *                   type: string
 *                 fileName:
 *                   type: string
 *       400:
 *         description: Bad Request
 *         content:
 *           application/json:
 *             schema:
 *               type: object
 *               properties:
 *                 error:
 *                   type: string
 *       401:
 *         description: Unauthorized
 *         content:
 *           application/json:
 *             schema:
 *               type: object
 *               properties:
 *                 message:
 *                   type: string
 *       404:
 *         description: The specified file does not exist or no information found for the file
 *         content:
 *           application/json:
 *             schema:
 *               type: object
 *               properties:
 *                 error:
 *                   type: string
 *       500:
 *         description: Error reading the file
 *         content:
 *           application/json:
 *             schema:
 *               type: object
 *               properties:
 *                 error:
 *                   type: string
 */

router.get('/', (req, res) => {
    res.status(400).json({ error: 'Bad Request. The request cannot be fulfilled due to bad syntax or missing parameters.' });
});

router.post('/file_info', authMiddleware, (req, res) => {
    const filePath = path.join(__dirname, '../../../data', 'file_info.json');

    if (!fs.existsSync(filePath)) {
        return res.status(404).json({ error: 'The specified file does not exist.' });
    }

    fs.readFile(filePath, 'utf-8', (err, data) => {
        if (err) {
            console.error(err);
            return res.status(500).json({ error: 'Error reading the file.' });
        }

        const fileInfos = JSON.parse(data);
        const fileLink = req.body.fileLink;
        const fileName = fileLink.split('/').pop();

        const fileInfo = fileInfos.find(file => file.fileName === fileName && file.Id);
        console.log(fileInfos);

        if (!fileInfo) {
            return res.status(404).json({ error: `No information found for the file ${fileName}.` });
        }

        res.json(fileInfo);
    });
});

module.exports = router;