'use strict';

var async = require('async');

var user = require('../../user');
var languages = require('../../languages');
var meta = require('../../meta');
var plugins = require('../../plugins');
var privileges = require('../../privileges');
var categories = require('../../categories');
var db = require('../../database');
var helpers = require('../helpers');
var accountHelpers = require('./helpers');


var settingsController = {};


settingsController.get = function (req, res, callback) {
	var userData;
	async.waterfall([
		function (next) {
			accountHelpers.getUserDataByUserSlug(req.params.userslug, req.uid, next);
		},
		function (_userData, next) {
			userData = _userData;
			if (!userData) {
				return callback();
			}
			async.parallel({
				settings: function (next) {
					user.getSettings(userData.uid, next);
				},
				languages: function (next) {
					languages.list(next);
				},
				homePageRoutes: function (next) {
					getHomePageRoutes(next);
				},
				soundsMapping: function (next) {
					meta.sounds.getUserSoundMap(userData.uid, next);
				},
			}, next);
		},
		function (results, next) {
			userData.settings = results.settings;
			userData.languages = results.languages;
			userData.homePageRoutes = results.homePageRoutes;

			var types = [
				'notification',
				'chat-incoming',
				'chat-outgoing',
			];
			var aliases = {
				notification: 'notificationSound',
				'chat-incoming': 'incomingChatSound',
				'chat-outgoing': 'outgoingChatSound',
			};

			types.forEach(function (type) {
				var soundpacks = plugins.soundpacks.map(function (pack) {
					var sounds = Object.keys(pack.sounds).map(function (soundName) {
						var value = pack.name + ' | ' + soundName;
						return {
							name: soundName,
							value: value,
							selected: value === results.soundsMapping[type],
						};
					});

					return {
						name: pack.name,
						sounds: sounds,
					};
				});

				userData[type + '-sound'] = soundpacks;
				// fallback
				userData[aliases[type]] = soundpacks.concat.apply([], soundpacks.map(function (pack) {
					return pack.sounds.map(function (sound) {
						return {
							name: sound.value,
							selected: sound.selected,
						};
					});
				}));
			});

			plugins.fireHook('filter:user.customSettings', { settings: results.settings, customSettings: [], uid: req.uid }, next);
		},
		function (data, next) {
			userData.customSettings = data.customSettings;
			userData.disableEmailSubscriptions = parseInt(meta.config.disableEmailSubscriptions, 10) === 1;
			next();
		},
	], function (err) {
		if (err) {
			return callback(err);
		}

		userData.dailyDigestFreqOptions = [
			{ value: 'off', name: '[[user:digest_off]]', selected: userData.settings.dailyDigestFreq === 'off' },
			{ value: 'day', name: '[[user:digest_daily]]', selected: userData.settings.dailyDigestFreq === 'day' },
			{ value: 'week', name: '[[user:digest_weekly]]', selected: userData.settings.dailyDigestFreq === 'week' },
			{ value: 'month', name: '[[user:digest_monthly]]', selected: userData.settings.dailyDigestFreq === 'month' },
		];


		userData.bootswatchSkinOptions = [
			{ name: 'No skin', value: 'noskin' },
			{ name: 'Default', value: 'default' },
			{ name: 'Cerulean', value: 'cerulean' },
			{ name: 'Cosmo', value: 'cosmo'	},
			{ name: 'Cyborg', value: 'cyborg' },
			{ name: 'Darkly', value: 'darkly' },
			{ name: 'Flatly', value: 'flatly' },
			{ name: 'Journal', value: 'journal'	},
			{ name: 'Lumen', value: 'lumen' },
			{ name: 'Paper', value: 'paper' },
			{ name: 'Readable', value: 'readable' },
			{ name: 'Sandstone', value: 'sandstone' },
			{ name: 'Simplex', value: 'simplex' },
			{ name: 'Slate', value: 'slate'	},
			{ name: 'Spacelab', value: 'spacelab' },
			{ name: 'Superhero', value: 'superhero' },
			{ name: 'United', value: 'united' },
			{ name: 'Yeti', value: 'yeti' },
		];

		var isCustom = true;
		userData.homePageRoutes.forEach(function (route) {
			route.selected = route.route === userData.settings.homePageRoute;
			if (route.selected) {
				isCustom = false;
			}
		});

		if (isCustom && userData.settings.homePageRoute === 'none') {
			isCustom = false;
		}

		userData.homePageRoutes.push({
			route: 'custom',
			name: 'Custom',
			selected: isCustom,
		});

		userData.bootswatchSkinOptions.forEach(function (skin) {
			skin.selected = skin.value === userData.settings.bootswatchSkin;
		});

		userData.languages.forEach(function (language) {
			language.selected = language.code === userData.settings.userLang;
		});

		userData.disableCustomUserSkins = parseInt(meta.config.disableCustomUserSkins, 10) === 1;

		userData.allowUserHomePage = parseInt(meta.config.allowUserHomePage, 10) === 1;

		userData.inTopicSearchAvailable = plugins.hasListeners('filter:topic.search');

		userData.title = '[[pages:account/settings]]';
		userData.breadcrumbs = helpers.buildBreadcrumbs([{ text: userData.username, url: '/user/' + userData.userslug }, { text: '[[user:settings]]' }]);

		res.render('account/settings', userData);
	});
};


function getHomePageRoutes(callback) {
	async.waterfall([
		function (next) {
			db.getSortedSetRange('cid:0:children', 0, -1, next);
		},
		function (cids, next) {
			privileges.categories.filterCids('find', cids, 0, next);
		},
		function (cids, next) {
			categories.getCategoriesFields(cids, ['name', 'slug'], next);
		},
		function (categoryData, next) {
			categoryData = categoryData.map(function (category) {
				return {
					route: 'category/' + category.slug,
					name: 'Category: ' + category.name,
				};
			});

			categoryData = categoryData || [];

			plugins.fireHook('filter:homepage.get', { routes: [
				{
					route: 'categories',
					name: 'Categories',
				},
				{
					route: 'unread',
					name: 'Unread',
				},
				{
					route: 'recent',
					name: 'Recent',
				},
				{
					route: 'popular',
					name: 'Popular',
				},
			].concat(categoryData) }, next);
		},
		function (data, next) {
			next(null, data.routes);
		},
	], callback);
}


module.exports = settingsController;