'use strict';


var async = require('async');
var nconf = require('nconf');
var meta = require('../../meta');

var settingsController = module.exports;

settingsController.get = function (req, res, next) {
	var term = req.params.term ? req.params.term : 'general';

	switch (req.params.term) {
	case 'email':
		renderEmail(req, res, next);
		break;

	default:
		res.render('admin/settings/' + term);
	}
};


function renderEmail(req, res, next) {
	var fs = require('fs');
	var path = require('path');
	var file = require('../../file');

	var emailsPath = path.join(nconf.get('views_dir'), 'emails');

	async.waterfall([
		function (next) {
			file.walk(emailsPath, next);
		},
		function (emails, next) {
			async.map(emails, function (email, next) {
				var path = email.replace(emailsPath, '').substr(1).replace('.tpl', '');

				async.waterfall([
					function (next) {
						fs.readFile(email, next);
					},
					function (original, next) {
						var text = meta.config['email:custom:' + path] ? meta.config['email:custom:' + path] : original.toString();

						next(null, {
							path: path,
							fullpath: email,
							text: text,
							original: original.toString(),
						});
					},
				], next);
			}, next);
		},
		function (emails) {
			res.render('admin/settings/email', {
				emails: emails,
				sendable: emails.filter(function (email) {
					return email.path.indexOf('_plaintext') === -1 && email.path.indexOf('partials') === -1;
				}),
			});
		},
	], next);
}