const express = require('express');
const vhostService = require('../services/vhostService');

const router = express.Router();

const validateFilename = (req, res, next) => {
    const { filename } = req.params;
    if (!/^[a-zA-Z0-9._-]+$/.test(filename) || filename.includes('..') || filename.includes('/')) {
        return res.status(400).json({ success: false, error: 'Invalid filename' });
    }
    next();
};

/**
 * GET /api/v1/vhosts
 */
router.get('/', (req, res) => {
    try {
        const vhosts = vhostService.listVHosts();
        res.json({ success: true, vhosts });
    } catch (err) {
        res.status(500).json({ success: false, error: err.message });
    }
});

/**
 * POST /api/v1/vhosts
 * Creates a new virtual host configuration.
 */
router.post('/', (req, res) => {
    try {
        const { domain, root, port, type } = req.body;
        if (!domain || !root || !port || !type) {
            return res.status(400).json({ success: false, error: 'Missing required fields (domain, root, port, type)' });
        }

        const filename = vhostService.createVHost(domain, root, port, type);
        res.json({ success: true, filename });
    } catch (err) {
        res.status(500).json({ success: false, error: err.message });
    }
});

/**
 * POST /api/v1/vhosts/:filename/enable
 */
router.post('/:filename/enable', validateFilename, (req, res) => {
    try {
        const { filename } = req.params;
        const newFilename = vhostService.toggleVHost(filename, true);
        vhostService.reloadNginx();
        res.json({ success: true, filename: newFilename });
    } catch (err) {
        res.status(500).json({ success: false, error: err.message });
    }
});

/**
 * POST /api/v1/vhosts/:filename/disable
 */
router.post('/:filename/disable', validateFilename, (req, res) => {
    try {
        const { filename } = req.params;
        const newFilename = vhostService.toggleVHost(filename, false);
        vhostService.reloadNginx();
        res.json({ success: true, filename: newFilename });
    } catch (err) {
        res.status(500).json({ success: false, error: err.message });
    }
});

/**
 * POST /api/v1/vhosts/reload
 */
router.post('/reload', (req, res) => {
    try {
        vhostService.reloadNginx();
        res.json({ success: true });
    } catch (err) {
        res.status(500).json({ success: false, error: err.message });
    }
});

module.exports = router;