$(function(){
	var userCreateForm;
	if (!userCreateForm) {
		userCreateForm = {
			errorFields: {},
			goodFields: {},
			errorTexts: [],
			errorFocused: false,
			errorFieldClassName: 'error_field',
			goodFieldClassName: 'good_field',
			ajaxURL: '/ajax.php',
			email_exists: 0,
			name_exists: 0,

			confirm: function()
			{
				/*
				if (typeof(_gaq) != 'undefined')
				{
					_gaq.push(['_trackEvent', 'Test User Registration', 'Start JS Form Check']);
				}
				*/
				this.disableSubmitButton();

				this.cleanErrors();

				this.checkUserData(document.create_user.user_email.value, document.create_user.name.value, this.checkLocalUserData.bind(this));
			},

			processCheckedUserData: function(){
				var form_data = userCreateForm.getFormData();

				if (this.haveErrors()) {
					this.showErrors();
					logEvents.log('create_user_form_error', {data: form_data, errors: this.errorTexts});
					this.enableSubmitButton();
				}
				else
				{
					if (typeof(_gaq) != 'undefined')
					{
						_gaq.push(['_trackEvent', 'Test User Registration', 'Success']);
					}
					logEvents.log('create_user_form_submit_success', {data: form_data});

					var salt = BCCrypt.gensalt(10);
					var pass = document.create_user.user_password.value;
					BCCrypt.hashpw(
						pass,
						salt,
						userCreateForm.handlerHashDone
					);
				}
			},
			
			checkLocalUserData: function()
			{
				if (document.create_user.is_expert != undefined)
				{
					if (document.create_user.i_agree_expert.checked == false)
					{
						this.addError('i_agree_expert', "Du må bekrefte at du har faglig kompetanse innen kosthold", false);
					}
					else
					{
						this.addGood('i_agree_expert');
					}
				}

				if (document.create_user.is_expert != undefined)
				{
					if (document.create_user.i_agree_privacy.checked == false)
					{
						this.addError('i_agree_privacy', "Du må godta Vilkår for bruk og Vilkår for bruk for eksperter", false);
					}
					else
					{
						this.addGood('i_agree_privacy');
					}
				}

				if (document.create_user.name.value == '')
				{
					this.addError('name', "Kallenavn må fylles ut", true);
				}
				else if (this.name_exists == 1)
				{
					this.addError('name', "Dette finnes allerede en bruker med dette kallenavnet", true);
				}
				else
				{
					this.addGood('name');
				}
				// Проверяем email
				if (document.create_user.user_email.value == '')
				{
					this.addError('user_email', "E-post må fylles ut", true);
				}
				else if (this.email_exists == 1)
				{
					this.addError('user_email', "Du er registrert med denne e-post fra før. Prøv å <a href=\"\" onClick=\"return login_form.loginForm()\">logge inn</a> eller få <a href=\"/index.php?page=forgot\">tilsendt passord</a>", true);
				}
				else
				{
					this.addGood('user_email');
				}

				if (document.create_user.user_password.value == '')
				{
					this.addError('user_password', "Passord må fylles ut", true);
					this.addError('user_password2', "", true);
				}
				else if (document.create_user.user_password2.value == '')
				{
					this.addError('user_password2', "Du må gjenta passordet", true);
					this.addError('user_password', "", true);
				}
				else if (document.create_user.user_password.value != document.create_user.user_password2.value)
				{
					this.addError('user_password', "Passordene er forskjellige", true);
					this.addError('user_password2', "", true);
				}
				else if (document.create_user.user_password.value.length < 6)
				{
					this.addError('user_password', "Passord må ha minst seks tegn", true);
					this.addError('user_password2', "", true);
				}
				else
				{
					this.addGood('user_password');
					this.addGood('user_password2');
				}

				// Дата рождения
				if ($('#birth_day option:selected').val() > 0 && $('#birth_day option:selected').val() <= 31 &&
					$('#birth_mon option:selected').val() > 0 && $('#birth_mon option:selected').val() <= 12 &&
					$('#birth_year option:selected').val() > 1900 && $('#birth_year option:selected').val() <= 3000
					) {
					this.addGood('birth_day');
					this.addGood('birth_mon');
					this.addGood('birth_year');
					this.addGood('birth');
				}
				else {
					this.addError('birth_day', "", false);
					this.addError('birth_mon', "", false);
					this.addError('birth_year', "", false);
					this.addError('birth', "Bad Birthday", false);
				}
				// Страна
				if ($('#country_id').attr('type') != 'hidden')
				{
					if ($('#country_id option:selected').val() > 0)
					{
						this.addGood('country_id');
						this.addGood('country');
					}
					else
					{
						this.addError('country_id', "", false);
						this.addError('country', "Bad Country", false);
					}
				}
				// Система измерений
				if ($('#measure_id').attr('type') != 'hidden')
				{
					if ($('#measure_id option:selected').val() > 0)
					{
						this.addGood('measure_id');
						this.addGood('measure');
					}
					else
					{
						this.addError('measure_id', "", false);
						this.addError('measure', "Bad Measure", false);
					}
				}
				// Активность
				if ($('#activity_level_id option:selected').val() > 0)
				{
					this.addGood('activity_level_id');
					this.addGood('activity_level');
				}
				else
				{
					this.addError('activity_level_id', "", false);
					this.addError('activity_level', "Bad Activity Level", false);
				}
				// Пол
				var sexValue = $('#sex option:selected').val();
				if (sexValue == 'f' || sexValue == 'm' || sexValue == 'p' || sexValue == 'l')
				{
					this.addGood('sex');
				}
				else
				{
					this.addError('sex', "Bad Sex", false);
				}

				// Таблица питания
				if ($('#food_table_id').attr('type') != 'hidden')
				{
					if ($('#food_table_id option:selected').val() > 0)
					{
						this.addGood('food_table_id');
						this.addGood('food_table');
					}
					else
					{
						this.addError('food_table_id', "", false);
						this.addError('food_table', "Bad Food Table", false);
					}
				}

				// Проверяем рост
				if (document.create_user.height.value == '')
				{
					this.addError('height', "Høyde må fylles ut", true);
				}
				else if (!document.create_user.height.value.match(/^[0-9,.]+$/))
				{
					this.addError('height', "Skriv inn din høyde i centimeter, f.eks.: 173", true);
				}
				else if (
							($('#measure_id option:selected').val() == 1 && (document.create_user.height.value < 140 || document.create_user.height.value > 250)) ||
							($('#measure_id option:selected').val() == 2 && (document.create_user.height.value < 55 || document.create_user.height.value > 98)) ||
							(document.create_user.height.value < 55 || document.create_user.height.value > 250)
						)
				{
					this.addError('height', "Vennligst angi korrekt høyde", true);
				}
				else
				{
					this.addGood('height');
				}
				// Проверяем вес
				if (document.create_user.weight.value == '')
				{
					this.addError('weight', "Vekt må fylles ut", true);
				}
				else if (!document.create_user.weight.value.match(/^[0-9,.]+$/))
				{
					this.addError('weight', "Skriv inn din vekt i kilogram, f.eks.: 70", true);
				}
				else if (
							($('#measure_id option:selected').val() == 1 && (document.create_user.weight.value < 40 || document.create_user.weight.value > 600)) ||
							($('#measure_id option:selected').val() == 2 && (document.create_user.weight.value < 88 || document.create_user.weight.value > 1320)) ||
							(document.create_user.weight.value < 40 || document.create_user.weight.value > 1320)
						)
				{
					this.addError('weight', "Vennligst angi korrekt vekt", true);
				}
				else
				{
					this.addGood('weight');
				}

				if (document.create_user.image_code.value == '')
				{
					this.addError('image_code', "Bildekode må fylles ut", true);
				}
				else
				{
					//this.addGood('image_code');
				}
				
				this.processCheckedUserData();
			},

			handlerHashDone: function(hash){
				$('#user_password_hash').val(hash);
				$('#user_password').val('');
				$('#user_password2').val('');
				document.create_user.submit();
			},

			getFormData: function() {
				return {
					email: document.create_user.user_email.value,
					name: document.create_user.name.value,
					birth_day: $('#birth_day option:selected').val(),
					birth_mon: $('#birth_mon option:selected').val(),
					birth_year: $('#birth_year option:selected').val(),
					country: $('#country_id option:selected').text(),
					country_id: $('#country_id option:selected').val(),
					activity: $('#activity_level_id option:selected').text(),
					activity_id: $('#activity_level_id option:selected').val(),
					sex: $('#sex option:selected').val(),
					height: document.create_user.height.value,
					weight: document.create_user.weight.value,
					image_code: document.create_user.image_code.value
				};
			},

			haveErrors: function() {
				if (this.errorTexts.length > 0) return true;
				return false;
			},

			cleanErrors: function() {
				$('#errors').hide();
				for (var fieldID in this.errorFields) {
					$('#'+fieldID).removeClass(this.errorFieldClassName);
					$('#field_status_'+fieldID).html('&nbsp;');
				}
				for (var fieldID in this.goodFields) {
					$('#'+fieldID).removeClass(this.goodFieldClassName);
					$('#field_status_'+fieldID).html('&nbsp;');
				}
				$('#errors').html('');
				this.errorFields = {};
				this.goodFields = {};
				this.errorTexts = [];
				this.errorFocused = false;
			},

			addError: function(fieldID, text, focus) {
				this.errorFields[fieldID] = true;
				this.errorTexts[this.errorTexts.length] = text;
				// Фокусируемся на первом найденном ошибочном поле
				if (focus && !this.errorFocused) {
					$('#'+fieldID).focus();
					this.errorFocused = true;
				}
			},

			addGood: function(fieldID) {
				this.goodFields[fieldID] = true;
			},

			showErrors: function() {
				if (this.haveErrors()) { 
					for (var fieldID in this.errorFields) {
						$('#'+fieldID).addClass(this.errorFieldClassName);
						$('#field_status_'+fieldID).html('<img src="/images/field_bad.gif" border="0" width="8" height="8" />');
					}
					for (var fieldID in this.goodFields) {
						$('#'+fieldID).addClass(this.goodFieldClassName);
						$('#field_status_'+fieldID).html('<img src="/images/field_ok.gif" border="0" width="8" height="8" />');
					}
					var errorsHTML = '';
					for (var i in this.errorTexts) {
						if (this.errorTexts[i] != '') {
							errorsHTML += '<div class="error_text">'+this.errorTexts[i]+'</div>';
						}
					}
					$('#errors').html(errorsHTML);
					$('#errors').show();
				}
			},

			redrawImage: function(){
				$('#img_code').attr('src', '/image_code.php?rnd='+Math.random());
			},

			checkUserData: function(email, name, callback){
				this.email_exists = 0;
				this.name_exists = 0;
				var email_exists = 0;
				var name_exists = 0;
				
				var that = this;

				$.ajax({
					url: this.ajaxURL,
					dataType: 'json',
					data: {
						module: 'user_data',
						action: 'check_user',
						email: email,
						name: name
					},
					success: function(data){
						that.email_exists = data.email_exists;
						that.name_exists = data.name_exists;
						callback();
					}
				});
			},

			enableSubmitButton: function(){
				var button = $('#button_register');
				button.addClass('button_green');
				button.removeClass('button_green_disabled');
				button.bind('click', function(){ userCreateForm.confirm(); });

				$('#button_loading').css('display', 'none');
			},

			disableSubmitButton: function(){
				var button = $('#button_register');
				button.addClass('button_green_disabled');
				button.removeClass('button_green');
				button.unbind('click');

				$('#button_loading').css('display', 'inline-block');
			},

			changeMeasureSystem: function(){
				var list = document.create_user.measure_id;
				var system = list.options[list.selectedIndex].value;
				$.post(
					'/ajax.php',
					{module: 'system', action: 'measure_system_change', measure_system_id: system},
					function(data){
						if (data == 'ok')
						{
							document.create_user.create.value = '';
							document.create_user.submit();
						}
					}
				);
			},
			
			changeCountry: function(){
				var list = document.create_user.country_id;
				var country = list.options[list.selectedIndex].value;
				$.post(
					'/ajax.php',
					{module: 'system', action: 'country_change', country_id: country},
					function(data){
						if (data == 'ok')
						{
							document.create_user.create.value = '';
							document.create_user.submit();
						}
					}
				);
			},

			showHelp: function(layer){
				var form_data = userCreateForm.getFormData();
				logEvents.log('create_user_form_field_focus', {data: form_data});
				$('#'+layer).show();
			},

			hideHelp: function(layer){
				$('#'+layer).hide();
			},

			populateHelpHandlers: function(){
				var that = this;

				var el2field = {
					birthday: [
		                'birth_day',
		                'birth_mon',
		                'birth_year'
					]
				};

				var elements = $('#user_create_form span.user_create_help_box');
				elements.each(function(i, el){
					var help_layer = el.id;
					var field_id = el.id.replace(/^help_/, '');

					if (el2field[field_id] == undefined)
					{
						var fieldsList = [field_id];
					}
					else
					{
						var fieldsList = el2field[field_id];
					}

					for (var j = 0; j < fieldsList.length; j++)
					{
						var field = $('#' + fieldsList[j]);
						(function(help_layer){
							field.bind('focus', function(){ that.showHelp(help_layer); });
							field.bind('blur', function(){ that.hideHelp(help_layer); });
						})(help_layer);
					}
				});
			}
		};
	};
	
	window.userCreateForm = userCreateForm;

	userCreateForm.enableSubmitButton();
	$('#img_code').click(function(){ userCreateForm.redrawImage(); });
	$('#help_image_redraw').click(function(){ userCreateForm.redrawImage(); });
	
	userCreateForm.populateHelpHandlers();
	
	if (document.create_user) document.create_user.name.focus();
	
	/* User prifile page */
	var userProfileForm;
	if (!userProfileForm) {
		userProfileForm = {
				ValidDate: function(y,m,d)
				{
					with (new Date(y, m, d))
					return getMonth() == m && getDate() == d;
				},

				ReadISO8601date: function(Q)
				{
					var T;
					if ((T = /^(\d+)([-\/])(\d+)(\2)(\d+)$/.exec(Q)) == null)
					{
						return - 2;
					}
					for (var j = 1; j <= 5; j += 2)
					{
						T[j] = + T[j];
					}
					if (!this.ValidDate(T[1], T[3] - 1, T[5]))
					{
						return - 1;
					}
					return [T[1], T[3], T[5]];
				},

				DiffY: function(S1, S2)
				{
					var D1 = this.ReadISO8601date(S1);
					if (D1 < 0)
					{
						return 0;
					}
					var D2 = this.ReadISO8601date(S2);
					if (D2 < 0)
					{
						return 0;
					}
					return D1[0] - D2[0] - (D1[1] * 100 + D1[2] < D2[1] * 100 + D2[2]);
				},

				setPhoto: function()
				{
					var file = document.user_profile.photo.value;
					if (file != '')
					{
						document.user_profile.action.value = 'set_photo';
						document.user_profile.enctype = 'multipart/form-data';
						document.user_profile.submit();
					}
				},

				// User profile form checking
				checkUserProfileForm: function()
				{
					if ($('#old_user_name').val() != $('#user_name').val())
					{
						userCreateForm.checkUserData('', $('#user_name').val(), this.checkUserProfileFormContinue.bind(this));
					}
					else
					{
						this.checkUserProfileFormContinue();
					}
					
				},

				// Continue user profile form checking
				checkUserProfileFormContinue: function()
				{
					var cur_date = new Date();

					var age = this.DiffY(cur_date.getFullYear() + '-' + (cur_date.getMonth()+1) + '-' + cur_date.getDate(), document.user_profile.birthday.value);

					if (age < 18)
					{
						alert('You Must 18 or Greather Age');
					}
					else if ($('#old_user_name').val() != $('#user_name').val() && userCreateForm.name_exists == '1')
					{
						alert('Det finnes allerede en bruker med dette aliaset.');
					}
					else
					{
						document.user_profile.submit();
					}
				}	
		};
	}
	window.userProfileForm = userProfileForm;
});