const express = require('express');
const router = express.Router();
const SiteModel = require('../models/SiteModel');
const siteModel = new SiteModel();

/**
 * GET sites listing.
 *
 * Returns a list of all sites in JSON format.
 */
router.get('/', async function (req, res, next) {
    const sites = await siteModel.getAll();

    res.json(sites);
});

/**
 * GET site by ID.
 *
 * Returns a specific site by its ID in JSON format.
 */
router.get('/:id', async function (req, res, next) {
    const siteId = req.params.id;
    let site = null;

    try {
        site = await siteModel.getById(siteId);
    } catch (error) {
        console.error('Error fetching site by ID:', error);
        return res.status(400).send('Error fetching site: ' + error.message);
    }

    if (!site) {
        return res.status(404).send('Site not found');
    } else {
        res.json(site);
    }
});

/**
 * GET site by domain name.
 *
 * Returns a specific site by its domain name in JSON format.
 */
router.get('/domain/:domain', async function (req, res, next) {
    const domainName = req.params.domain;
    let sites = null;

    try {
        sites = await siteModel.getByDomainName(domainName);
    } catch (error) {
        console.error('Error fetching site by domain name:', error);
        return res.status(400).send('Error fetching site: ' + error.message);
    }

    if (!sites || sites.length === 0) {
        return res.status(404).send('Site not found');
    } else {
        res.render('sites', { title: 'Playwright Testing Dashboard', sites: sites });
    }
});

/**
 * POST create a new site.
 *
 * Creates a new site with the provided domain name.
 *
 * // TODO: Ability to add additional site properties (e.g., name, description)
 */
router.post('/add', async function (req, res, next) {
    const domain = req.body.domain;
    let newSite = null;

    // insert method passes a lot of validation errors to the caller
    try {
        newSite = await siteModel.insert(domain);
    } catch (error) {
        console.error('Error creating site:', error);
        return res.status(400).send('Error creating site: ' + error.message);
    }

    if (!newSite) {
        res.status(400).send('Error creating site');
    } else {
        // res.status(201).json(newSite);
        const sites = await siteModel.getAll();
        res.render('index', { title: 'Playwright Testing Dashboard', sites: sites, msg: 'Site created successfully!' });
    }
});

/**
 * PUT update an existing site.
 *
 * Updates an existing site with the provided ID and new data.
 */

// TODO: Implement update functionality

/**
 * DELETE remove a site by ID.
 */

// TODO: Implement delete functionality


module.exports = router;