var express = require('ultimate-express');
var path = require('path');
var router = express.Router();
var conf = require('../config.js');
var strings = require('../strings.js');

var basePath = conf.base_path || '/';
var baseRoute = basePath + ':lang('
				+ Object.keys(strings).join('|') + ')?';

/* GET home page. */
router.get(baseRoute, function(req, res, next) {
	/** @type {keyof typeof strings} */
	var lang = req.params.lang || 'zh-cn';
	res.render('index', {
		lang: lang,
		strings: strings[lang],
		base_path: basePath,
	});
});

/* GET service worker. */
router.get(basePath + 'sw.js', function(req, res, next) {
	res.sendFile(path.join(__dirname, '../public/javascripts/sw.js'));
});

var guidSubRoute = '/:guid('
				+ conf.reg_guid.source.replace(/\$$/, '') + ')';
/* GET view page */
router.get(baseRoute + guidSubRoute, function (req, res, next) {
	/** @type {keyof typeof strings} */
	var lang = req.params.lang || 'zh-cn';
	res.render('look', {
		lang: lang,
		strings: strings[lang],
		base_path: basePath,
		guid: req.params.guid,
	});
});

module.exports = router;