const express = require('express');
const fs = require('fs');
const path = require('path');
const router = express.Router();
const authMiddleware = require('../../../Middlewares/authMiddleware');
const { ErrorLogger } = require('../../../config/logs');

// Quitter un dossier partagé
router.post('/leave', authMiddleware, async (req, res) => {
    try {
        const userId = req.userData.name;
        const { folderName, folderOwner } = req.body;
        if (!folderName || !folderOwner) {
            return res.status(400).json({ error: 'Missing folderName or folderOwner' });
        }
        const collabPath = path.join(__dirname, '../../../data', 'collaboration.json');
        let collabData = JSON.parse(fs.readFileSync(collabPath, 'utf8'));
        const itemId = `folder-${folderName}`;
        if (!collabData.activeFiles[itemId]) {
            return res.status(404).json({ error: 'Shared folder not found' });
        }
        // Retirer l'utilisateur de la liste des collaborateurs
        collabData.activeFiles[itemId].activeUsers = collabData.activeFiles[itemId].activeUsers.filter(u => u.id !== userId);
        // Si plus aucun utilisateur, on peut supprimer la collaboration
        if (collabData.activeFiles[itemId].activeUsers.length === 0) {
            delete collabData.activeFiles[itemId];
        }
        fs.writeFileSync(collabPath, JSON.stringify(collabData, null, 2), 'utf8');
        return res.json({ success: true });
    } catch (error) {
        ErrorLogger.error('Error leaving shared folder:', error);
        return res.status(500).json({ error: 'Erreur lors du quit du dossier partagé.' });
    }
});

module.exports = router;