/*
 * Inline Form Validation Engine 2.6.2, jQuery plugin
 *
 * Copyright(c) 2010, Cedric Dugas
 * http://www.position-absolute.com
 *
 * 2.0 Rewrite by Olivier Refalo
 * http://www.crionics.com
 *
 * Form validation engine allowing custom regex rules to be added.
 * Licensed under the MIT License
 */
 (function($) {

	"use strict";

	var methods = {

		/**
		* Kind of the constructor, called before any action
		* @param {Map} user options
		*/
		init: function(options) {
			var form = this;
			if (!form.data('jqv') || form.data('jqv') == null ) {
				options = methods._saveOptions(form, options);
				// bind all formError elements to close on click
				$(document).on("click", ".formError", function() {
					$(this).fadeOut(150, function() {
						// remove prompt once invisible
						$(this).parent('.formErrorOuter').remove();
						$(this).remove();
					});
				});
			}
			return this;
		 },
		/**
		* Attachs jQuery.validationEngine to form.submit and field.blur events
		* Takes an optional params: a list of options
		* ie. jQuery("#formID1").validationEngine('attach', {promptPosition : "centerRight"});
		*/
		attach: function(userOptions) {

			var form = this;
			var options;

			if(userOptions)
				options = methods._saveOptions(form, userOptions);
			else
				options = form.data('jqv');

			options.validateAttribute = (form.find("[data-validation-engine*=validate]").length) ? "data-validation-engine" : "class";
			if (options.binded) {

				// delegate fields
				form.on(options.validationEventTrigger, "["+options.validateAttribute+"*=validate]:not([type=checkbox]):not([type=radio]):not(.datepicker)", methods._onFieldEvent);
				form.on("click", "["+options.validateAttribute+"*=validate][type=checkbox],["+options.validateAttribute+"*=validate][type=radio]", methods._onFieldEvent);
				form.on(options.validationEventTrigger,"["+options.validateAttribute+"*=validate][class*=datepicker]", {"delay": 300}, methods._onFieldEvent);
			}
			if (options.autoPositionUpdate) {
				$(window).bind("resize", {
					"noAnimation": true,
					"formElem": form
				}, methods.updatePromptsPosition);
			}
			form.on("click","a[data-validation-engine-skip], a[class*='validate-skip'], button[data-validation-engine-skip], button[class*='validate-skip'], input[data-validation-engine-skip], input[class*='validate-skip']", methods._submitButtonClick);
			form.removeData('jqv_submitButton');

			// bind form.submit
			form.on("submit", methods._onSubmitEvent);
			return this;
		},
		/**
		* Unregisters any bindings that may point to jQuery.validaitonEngine
		*/
		detach: function() {

			var form = this;
			var options = form.data('jqv');

			// unbind fields
			form.find("["+options.validateAttribute+"*=validate]").not("[type=checkbox]").off(options.validationEventTrigger, methods._onFieldEvent);
			form.find("["+options.validateAttribute+"*=validate][type=checkbox],[class*=validate][type=radio]").off("click", methods._onFieldEvent);

			// unbind form.submit
			form.off("submit", methods.onAjaxFormComplete);

			// unbind form.submit
			form.off("submit", methods.onAjaxFormComplete);
			form.removeData('jqv');

			form.off("click", "a[data-validation-engine-skip], a[class*='validate-skip'], button[data-validation-engine-skip], button[class*='validate-skip'], input[data-validation-engine-skip], input[class*='validate-skip']", methods._submitButtonClick);
			form.removeData('jqv_submitButton');

			if (options.autoPositionUpdate)
				$(window).unbind("resize", methods.updatePromptsPosition);

			return this;
		},
		/**
		* Validates either a form or a list of fields, shows prompts accordingly.
		* Note: There is no ajax form validation with this method, only field ajax validation are evaluated
		*
		* @return true if the form validates, false if it fails
		*/
		validate: function() {
			var element = $(this);
			var valid = null;

			if (element.is("form") || element.hasClass("validationEngineContainer")) {
				if (element.hasClass('validating')) {
					// form is already validating.
					// Should abort old validation and start new one. I don't know how to implement it.
					return false;
				} else {
					element.addClass('validating');
					var options = element.data('jqv');
					var valid = methods._validateFields(this);

					// If the form doesn't validate, clear the 'validating' class before the user has a chance to submit again
					setTimeout(function(){
						element.removeClass('validating');
					}, 100);
					if (valid && options.onSuccess) {
						options.onSuccess();
					} else if (!valid && options.onFailure) {
						options.onFailure();
					}
				}
			} else if (element.is('form') || element.hasClass('validationEngineContainer')) {
				element.removeClass('validating');
			} else {
				// field validation
				var form = element.closest('form, .validationEngineContainer'),
					options = (form.data('jqv')) ? form.data('jqv') : $.validationEngine.defaults,
					valid = methods._validateField(element, options);

				if (valid && options.onFieldSuccess)
					options.onFieldSuccess();
				else if (options.onFieldFailure && options.InvalidFields.length > 0) {
					options.onFieldFailure();
				}
			}
			if(options.onValidationComplete) {
				// !! ensures that an undefined return is interpreted as return false but allows a onValidationComplete() to possibly return true and have form continue processing
				return !!options.onValidationComplete(form, valid);
			}
			return valid;
		},
		/**
		*  Redraw prompts position, useful when you change the DOM state when validating
		*/
		updatePromptsPosition: function(event) {

			if (event && this == window) {
				var form = event.data.formElem;
				var noAnimation = event.data.noAnimation;
			}
			else
				var form = $(this.closest('form, .validationEngineContainer'));

			var options = form.data('jqv');
			// No option, take default one
			form.find('['+options.validateAttribute+'*=validate]').not(":disabled").each(function(){
				var field = $(this);
				if (options.prettySelect && field.is(":hidden"))
				  field = form.find("#" + options.usePrefix + field.attr('id') + options.useSuffix);
				var prompt = methods._getPrompt(field);
				var promptText = $(prompt).find(".formErrorContent").html();

				if(prompt)
					methods._updatePrompt(field, $(prompt), promptText, undefined, false, options, noAnimation);
			});
			return this;
		},
		/**
		* Displays a prompt on a element.
		* Note that the element needs an id!
		*
		* @param {String} promptText html text to display type
		* @param {String} type the type of bubble: 'pass' (green), 'load' (black) anything else (red)
		* @param {String} possible values topLeft, topRight, bottomLeft, centerRight, bottomRight
		*/
		showPrompt: function(promptText, type, promptPosition, showArrow) {
			var form = this.closest('form, .validationEngineContainer');
			var options = form.data('jqv');
			// No option, take default one
			if(!options)
				options = methods._saveOptions(this, options);
			if(promptPosition)
				options.promptPosition=promptPosition;
			options.showArrow = showArrow==true;

			methods._showPrompt(this, promptText, type, false, options);
			return this;
		},
		/**
		* Closes form error prompts, CAN be invidual
		*/
		hide: function() {
			 var form = $(this).closest('form, .validationEngineContainer');
			 var options = form.data('jqv');
			 var fadeDuration = (options && options.fadeDuration) ? options.fadeDuration : 0.3;
			 var closingtag;

			 if($(this).is("form") || $(this).hasClass("validationEngineContainer")) {
				 closingtag = "parentForm"+methods._getClassName($(this).attr("id"));
			 } else {
				 closingtag = methods._getClassName($(this).attr("id")) +"formError";
			 }
			 $('.'+closingtag).fadeTo(fadeDuration, 0.3, function() {
				 $(this).parent('.formErrorOuter').remove();
				 $(this).remove();
			 });
			 return this;
		 },
		 /**
		 * Closes all error prompts on the page
		 */
		 hideAll: function() {

			 var form = this;
			 var options = form.data('jqv');
			 var duration = options ? options.fadeDuration:300;
			 $('.formError').fadeTo(duration, 300, function() {
				 $(this).parent('.formErrorOuter').remove();
				 $(this).remove();
			 });
			 return this;
		 },
		/**
		* Typically called when user exists a field using tab or a mouse click, triggers a field
		* validation
		*/
		_onFieldEvent: function(event) {
			var field = $(this);
			var form = field.closest('form, .validationEngineContainer');
			var options = form.data('jqv');
			options.eventTrigger = "field";
			// validate the current field
			window.setTimeout(function() {
				methods._validateField(field, options);
				if (options.InvalidFields.length == 0 && options.onFieldSuccess) {
					options.onFieldSuccess();
				} else if (options.InvalidFields.length > 0 && options.onFieldFailure) {
					options.onFieldFailure();
				}
			}, (event.data) ? event.data.delay : 0);

		},
		/**
		* Called when the form is submited, shows prompts accordingly
		*
		* @param {jqObject}
		*            form
		* @return false if form submission needs to be cancelled
		*/
		_onSubmitEvent: function() {
			var form = $(this);
			var options = form.data('jqv');

			//check if it is trigger from skipped button
			if (form.data("jqv_submitButton")){
				var submitButton = $("#" + form.data("jqv_submitButton"));
				if (submitButton){
					if (submitButton.length > 0){
						if (submitButton.hasClass("validate-skip") || submitButton.attr("data-validation-engine-skip") == "true")
							return true;
					}
				}
			}

			options.eventTrigger = "submit";

			// validate each field
			// (- skip field ajax validation, not necessary IF we will perform an ajax form validation)
			var r=methods._validateFields(form);

			if (r && options.ajaxFormValidation) {
				methods._validateFormWithAjax(form, options);
				// cancel form auto-submission - process with async call onAjaxFormComplete
				return false;
			}

			if(options.onValidationComplete) {
				// !! ensures that an undefined return is interpreted as return false but allows a onValidationComplete() to possibly return true and have form continue processing
				return !!options.onValidationComplete(form, r);
			}
			return r;
		},
		/**
		* Return true if the ajax field validations passed so far
		* @param {Object} options
		* @return true, is all ajax validation passed so far (remember ajax is async)
		*/
		_checkAjaxStatus: function(options) {
			var status = true;
			$.each(options.ajaxValidCache, function(key, value) {
				if (!value) {
					status = false;
					// break the each
					return false;
				}
			});
			return status;
		},

		/**
		* Return true if the ajax field is validated
		* @param {String} fieldid
		* @param {Object} options
		* @return true, if validation passed, false if false or doesn't exist
		*/
		_checkAjaxFieldStatus: function(fieldid, options) {
			return options.ajaxValidCache[fieldid] == true;
		},
		/**
		* Validates form fields, shows prompts accordingly
		*
		* @param {jqObject}
		*            form
		* @param {skipAjaxFieldValidation}
		*            boolean - when set to true, ajax field validation is skipped, typically used when the submit button is clicked
		*
		* @return true if form is valid, false if not, undefined if ajax form validation is done
		*/
		_validateFields: function(form) {
			var options = form.data('jqv');

			// this variable is set to true if an error is found
			var errorFound = false;

			// Trigger hook, start validation
			form.trigger("jqv.form.validating");
			// first, evaluate status of non ajax fields
			var first_err=null;
			form.find('['+options.validateAttribute+'*=validate]').not(":disabled").each( function() {
				var field = $(this);
				var names = [];
				if ($.inArray(field.attr('name'), names) < 0) {
					errorFound |= methods._validateField(field, options);
					if (errorFound && first_err==null)
						if (field.is(":hidden") && options.prettySelect)
										 first_err = field = form.find("#" + options.usePrefix + methods._jqSelector(field.attr('id')) + options.useSuffix);
									else
										 first_err=field;
					if (options.doNotShowAllErrosOnSubmit)
						return false;
					names.push(field.attr('name'));

					//if option set, stop checking validation rules after one error is found
					if(options.showOneMessage == true && errorFound){
						return false;
					}
				}
			});

			// second, check to see if all ajax calls completed ok
			// errorFound |= !methods._checkAjaxStatus(options);

			// third, check status and scroll the container accordingly
			form.trigger("jqv.form.result", [errorFound]);

			if (errorFound) {
				if (options.scroll) {
					var destination=first_err.offset().top;
					var fixleft = first_err.offset().left;

					//prompt positioning adjustment support. Usage: positionType:Xshift,Yshift (for ex.: bottomLeft:+20 or bottomLeft:-20,+10)
					var positionType=options.promptPosition;
					if (typeof(positionType)=='string' && positionType.indexOf(":")!=-1)
						positionType=positionType.substring(0,positionType.indexOf(":"));

					if (positionType!="bottomRight" && positionType!="bottomLeft") {
						var prompt_err= methods._getPrompt(first_err);
						if (prompt_err) {
							destination=prompt_err.offset().top;
						}
					}

					// Offset the amount the page scrolls by an amount in px to accomodate fixed elements at top of page
					if (options.scrollOffset) {
						destination -= options.scrollOffset;
					}

					// get the position of the first error, there should be at least one, no need to check this
					//var destination = form.find(".formError:not('.greenPopup'):first").offset().top;
					if (options.isOverflown) {
						var overflowDIV = $(options.overflownDIV);
						if(!overflowDIV.length) return false;
						var scrollContainerScroll = overflowDIV.scrollTop();
						var scrollContainerPos = -parseInt(overflowDIV.offset().top);

						destination += scrollContainerScroll + scrollContainerPos - 5;
						var scrollContainer = $(options.overflownDIV + ":not(:animated)");

						scrollContainer.animate({ scrollTop: destination }, 1100, function(){
							if(options.focusFirstField) first_err.focus();
						});

					} else {
						$("html, body").animate({
							scrollTop: destination
						}, 1100, function(){
							if(options.focusFirstField) first_err.focus();
						});
						$("html, body").animate({scrollLeft: fixleft},1100)
					}

				} else if(options.focusFirstField)
					first_err.focus();
				return false;
			}
			return true;
		},
		/**
		* This method is called to perform an ajax form validation.
		* During this process all the (field, value) pairs are sent to the server which returns a list of invalid fields or true
		*
		* @param {jqObject} form
		* @param {Map} options
		*/
		_validateFormWithAjax: function(form, options) {

			var data = form.serialize();
									var type = (options.ajaxFormValidationMethod) ? options.ajaxFormValidationMethod : "GET";
			var url = (options.ajaxFormValidationURL) ? options.ajaxFormValidationURL : form.attr("action");
									var dataType = (options.dataType) ? options.dataType : "json";
			$.ajax({
				type: type,
				url: url,
				cache: false,
				dataType: dataType,
				data: data,
				form: form,
				methods: methods,
				options: options,
				beforeSend: function() {
					return options.onBeforeAjaxFormValidation(form, options);
				},
				error: function(data, transport) {
					methods._ajaxError(data, transport);
				},
				success: function(json) {
					if ((dataType == "json") && (json !== true)) {
						// getting to this case doesn't necessary means that the form is invalid
						// the server may return green or closing prompt actions
						// this flag helps figuring it out
						var errorInForm=false;
						for (var i = 0; i < json.length; i++) {
							var value = json[i];

							var errorFieldId = value[0];
							var errorField = $($("#" + errorFieldId)[0]);

							// make sure we found the element
							if (errorField.length == 1) {

								// promptText or selector
								var msg = value[2];
								// if the field is valid
								if (value[1] == true) {

									if (msg == ""  || !msg){
										// if for some reason, status==true and error="", just close the prompt
										methods._closePrompt(errorField);
									} else {
										// the field is valid, but we are displaying a green prompt
										if (options.allrules[msg]) {
											var txt = options.allrules[msg].alertTextOk;
											if (txt)
												msg = txt;
										}
										if (options.showPrompts) methods._showPrompt(er