(function($) {

    $.fn.validationEngine = function(settings) {

        if ($.validationEngineLanguage) {
            allRules = $.validationEngineLanguage.allRules;
        } else {
            $.validationEngine.debug("Validation engine rules are not loaded check your external file");
        }
        settings = jQuery.extend({
            allrules: allRules,
            validationEventTriggers: "blur",
            inlineValidation: true,
            returnIsValid: false,
            animateSubmit: true,
            unbindEngine: true,
            ajaxSubmit: false,
            promptPosition: "topRight",
            success: false,
            failure: function() { }
        }, settings);
        $.validationEngine.settings = settings;
        $.validationEngine.ajaxValidArray = new Array();

        if (settings.inlineValidation == true) {
            if (!settings.returnIsValid) {
                allowReturnIsvalid = false;
                $(this).find("[class*=validate]").not("[type=checkbox]").bind(settings.validationEventTriggers, function(caller) { _inlinEvent(this); });
                $(this).find("[class*=validate][type=checkbox]").bind("click", function(caller) { _inlinEvent(this); });

                firstvalid = false;
            }
            function _inlinEvent(caller) {
                $.validationEngine.settings = settings;
                if ($.validationEngine.intercept == false || !$.validationEngine.intercept) {
                    $.validationEngine.onSubmitValid = false;
                    $.validationEngine.loadValidation(caller);
                } else {
                    $.validationEngine.intercept = false;
                }
            }
        }
        if (settings.returnIsValid) {
            if ($.validationEngine.submitValidation(this, settings)) {
                return false;
            } else {
                return true;
            }
        }
        $(this).bind("submit", function(caller) {
            $.validationEngine.onSubmitValid = true;
            $.validationEngine.settings = settings;
            if ($.validationEngine.submitValidation(this, settings) == false) {
                if ($.validationEngine.submitForm(this, settings) == true) { return false; }
            } else {
                settings.failure && settings.failure();
                return false;
            }
        })
    };
    $.validationEngine = {
        defaultSetting: function(caller) {
            if ($.validationEngineLanguage) {
                allRules = $.validationEngineLanguage.allRules;
            } else {
                $.validationEngine.debug("Validation engine rules are not loaded check your external file");
            }
            settings = {
                allrules: allRules,
                validationEventTriggers: "blur",
                inlineValidation: true,
                returnIsValid: false,
                animateSubmit: true,
                unbindEngine: true,
                ajaxSubmit: false,
                promptPosition: "topRight",
                success: false,
                failure: function() { }
            };
            $.validationEngine.settings = settings;
        },
        loadValidation: function(caller) {
            if (!$.validationEngine.settings) {
                $.validationEngine.defaultSetting()
            }
            rulesParsing = $(caller).attr('class');
            rulesRegExp = /\[(.*)\]/;
            getRules = rulesRegExp.exec(rulesParsing);
            str = getRules[1];
            pattern = /\W+/;
            result = str.split(pattern);

            var validateCalll = $.validationEngine.validateCall(caller, result)
            return validateCalll;
        },
        validateCall: function(caller, rules) {
            var promptText = ""

            if (!$(caller).attr("id")) { $.validationEngine.debug("This field have no ID attribut( name & class displayed): " + $(caller).attr("name") + " " + $(caller).attr("class")) }

            caller = caller;
            ajaxValidate = false;
            var callerName = $(caller).attr("name");
            $.validationEngine.isError = false;
            $.validationEngine.showTriangle = true;
            callerType = $(caller).attr("type");

            for (i = 0; i < rules.length; i++) {
                switch (rules[i]) {
                    case "optional":
                        if (!$(caller).val()) {
                            $.validationEngine.closePrompt(caller);
                            return $.validationEngine.isError;
                        }
                        break;
                    case "required":
                        _required(caller, rules);
                        break;
                    case "custom":
                        _customRegex(caller, rules, i);
                        break;
                    case "ajax":
                        if (!$.validationEngine.onSubmitValid) {
                            _ajax(caller, rules, i);
                        };
                        break;
                    case "length":
                        _length(caller, rules, i);
                        break;
                    case "maxCheckbox":
                        _maxCheckbox(caller, rules, i);
                        groupname = $(caller).attr("name");
                        caller = $("input[name='" + groupname + "']");
                        break;
                    case "minCheckbox":
                        _minCheckbox(caller, rules, i);
                        groupname = $(caller).attr("name");
                        caller = $("input[name='" + groupname + "']");
                        break;
                    case "confirm":
                        _confirm(caller, rules, i);
                        break;
                    default: ;
                };
            };
            radioHack();
            if ($.validationEngine.isError == true) {
                linkTofield = $.validationEngine.linkTofield(caller);

                ($("div." + linkTofield).size() == 0) ? $.validationEngine.buildPrompt(caller, promptText, "error") : $.validationEngine.updatePromptText(caller, promptText);
            } else { $.validationEngine.closePrompt(caller); }

            function radioHack() {
                if ($("input[name='" + callerName + "']").size() > 1 && (callerType == "radio" || callerType == "checkbox")) {
                    caller = $("input[name='" + callerName + "'][type!=hidden]:first");
                    $.validationEngine.showTriangle = false;
                }
            }

            function _required(caller, rules) {
                callerType = $(caller).attr("type");
                if (callerType == "text" || callerType == "password" || callerType == "textarea") {

                    if (!$(caller).val()) {
                        $.validationEngine.isError = true;
                        promptText += $.validationEngine.settings.allrules[rules[i]].alertText + "<br />";
                    }
                }
                if (callerType == "radio" || callerType == "checkbox") {
                    callerName = $(caller).attr("name");

                    if ($("input[name='" + callerName + "']:checked").size() == 0) {
                        $.validationEngine.isError = true;
                        if ($("input[name='" + callerName + "']").size() == 1) {
                            promptText += $.validationEngine.settings.allrules[rules[i]].alertTextCheckboxe + "<br />";
                        } else {
                            promptText += $.validationEngine.settings.allrules[rules[i]].alertTextCheckboxMultiple + "<br />";
                        }
                    }
                }
                if (callerType == "select-one") {
                    if (!$(caller).val()) {
                        $.validationEngine.isError = true;
                        promptText += $.validationEngine.settings.allrules[rules[i]].alertText + "<br />";
                    }
                }
                if (callerType == "select-multiple") {
                    if (!$(caller).find("option:selected").val()) {
                        $.validationEngine.isError = true;
                        promptText += $.validationEngine.settings.allrules[rules[i]].alertText + "<br />";
                    }
                }
            }
            function _customRegex(caller, rules, position) {
                customRule = rules[position + 1];
                pattern = eval($.validationEngine.settings.allrules[customRule].regex);

                if (!pattern.test($(caller).attr('value'))) {
                    $.validationEngine.isError = true;
                    promptText += $.validationEngine.settings.allrules[customRule].alertText + "<br />";
                }
            }
            function _ajax(caller, rules, position) {

                customAjaxRule = rules[position + 1];
                postfile = $.validationEngine.settings.allrules[customAjaxRule].file;
                fieldValue = $(caller).val();
                ajaxCaller = caller;
                fieldId = $(caller).attr("id");
                ajaxValidate = true;
                ajaxisError = $.validationEngine.isError;

                if (!$.validationEngine.settings.allrules[customAjaxRule].extraData) {
                    extraData = $.validationEngine.settings.allrules[customAjaxRule].extraData;
                } else {
                    extraData = "";
                }

                if (!ajaxisError) {
                    $.ajax({
                        type: "POST",
                        url: postfile,
                        async: true,
                        data: "validateValue=" + fieldValue + "&validateId=" + fieldId + "&validateError=" + customAjaxRule + extraData,
                        beforeSend: function() {
                            if ($.validationEngine.settings.allrules[customAjaxRule].alertTextLoad) {

                                if (!$("div." + fieldId + "formError")[0]) {
                                    return $.validationEngine.buildPrompt(ajaxCaller, $.validationEngine.settings.allrules[customAjaxRule].alertTextLoad, "load");
                                } else {
                                    $.validationEngine.updatePromptText(ajaxCaller, $.validationEngine.settings.allrules[customAjaxRule].alertTextLoad, "load");
                                }
                            }
                        },
                        error: function(data, transport) { $.validationEngine.debug("error in the ajax: " + data.status + " " + transport); },
                        success: function(data) {
                            data = eval("(" + data + ")");
                            ajaxisError = data.jsonValidateReturn[2];
                            customAjaxRule = data.jsonValidateReturn[1];
                            ajaxCaller = $("#" + data.jsonValidateReturn[0])[0];
                            fieldId = ajaxCaller;
                            ajaxErrorLength = $.validationEngine.ajaxValidArray.length;
                            existInarray = false;

                            if (ajaxisError == "false") {

                                _checkInArray(false)

                                if (!existInarray) {
                                    $.validationEngine.ajaxValidArray[ajaxErrorLength] = new Array(2);
                                    $.validationEngine.ajaxValidArray[ajaxErrorLength][0] = fieldId;
                                    $.validationEngine.ajaxValidArray[ajaxErrorLength][1] = false;
                                    existInarray = false;
                                }

                                $.validationEngine.ajaxValid = false;
                                promptText += $.validationEngine.settings.allrules[customAjaxRule].alertText + "<br />";
                                $.validationEngine.updatePromptText(ajaxCaller, promptText, "", true);
                            } else {
                                _checkInArray(true);
                                $.validationEngine.ajaxValid = true;
                                if ($.validationEngine.settings.allrules[customAjaxRule].alertTextOk) {
                                    $.validationEngine.updatePromptText(ajaxCaller, $.validationEngine.settings.allrules[customAjaxRule].alertTextOk, "pass", true);
                                } else {
                                    ajaxValidate = false;
                                    $.validationEngine.closePrompt(ajaxCaller);
                                }
                            }
                            function _checkInArray(validate) {
                                for (x = 0; x < ajaxErrorLength; x++) {
                                    if ($.validationEngine.ajaxValidArray[x][0] == fieldId) {
                                        $.validationEngine.ajaxValidArray[x][1] = validate;
                                        existInarray = true;

                                    }
                                }
                            }
                        }
                    });
                }
            }
            function _confirm(caller, rules, position) {
                confirmField = rules[position + 1];

                if ($(caller).attr('value') != $("#" + confirmField).attr('value')) {
                    $.validationEngine.isError = true;
                    promptText += $.validationEngine.settings.allrules["confirm"].alertText + "<br />";
                }
            }
            function _length(caller, rules, position) {

                startLength = eval(rules[position + 1]);
                endLength = eval(rules[position + 2]);
                feildLength = $(caller).attr('value').length;

                if (feildLength < startLength || feildLength > endLength) {
                    $.validationEngine.isError = true;
                    promptText += $.validationEngine.settings.allrules["length"].alertText + startLength + $.validationEngine.settings.allrules["length"].alertText2 + endLength + $.validationEngine.settings.allrules["length"].alertText3 + "<br />"
                }
            }
            function _maxCheckbox(caller, rules, position) {

                nbCheck = eval(rules[position + 1]);
                groupname = $(caller).attr("name");
                groupSize = $("input[name='" + groupname + "']:checked").size();
                if (groupSize > nbCheck) {
                    $.validationEngine.showTriangle = false;
                    $.validationEngine.isError = true;
                    promptText += $.validationEngine.settings.allrules["maxCheckbox"].alertText + "<br />";
                }
            }
            function _minCheckbox(caller, rules, position) {

                nbCheck = eval(rules[position + 1]);
                groupname = $(caller).attr("name");
                groupSize = $("input[name='" + groupname + "']:checked").size();
                if (groupSize < nbCheck) {

                    $.validationEngine.isError = true;
                    $.validationEngine.showTriangle = false;
                    promptText += $.validationEngine.settings.allrules["minCheckbox"].alertText + " " + nbCheck + " " + $.validationEngine.settings.allrules["minCheckbox"].alertText2 + "<br />";
                }
            }
            return ($.validationEngine.isError) ? $.validationEngine.isError : false;
        },
        submitForm: function(caller) {
            if ($.validationEngine.settings.ajaxSubmit) {
                if ($.validationEngine.settings.ajaxSubmitExtraData) {
                    extraData = $.validationEngine.settings.ajaxSubmitExtraData;
                } else {
                    extraData = "";
                }
                $.ajax({
                    type: "POST",
                    url: $.validationEngine.settings.ajaxSubmitFile,
                    async: true,
                    data: $(caller).serialize() + "&" + extraData,
                    error: function(data, transport) { $.validationEngine.debug("error in the ajax: " + data.status + " " + transport); },
                    success: function(data) {
                        if (data == "true") {
                            $(caller).css("opacity", 1)
                            $(caller).animate({ opacity: 0, height: 0 }, function() {
                                $(caller).css("display", "none");
                                $(caller).before("<div class='ajaxSubmit'>" + $.validationEngine.settings.ajaxSubmitMessage + "</div>");
                                $.validationEngine.closePrompt(".formError", true);
                                $(".ajaxSubmit").show("slow");
                                if ($.validationEngine.settings.success) {
                                    $.validationEngine.settings.success && $.validationEngine.settings.success();
                                    return false;
                                }
                            })
                        } else {
                            data = eval("(" + data + ")");
                            if (!data.jsonValidateReturn) {
                                $.validationEngine.debug("you are not going into the success fonction and jsonValidateReturn return nothing");
                            }
                            errorNumber = data.jsonValidateReturn.length
                            for (index = 0; index < errorNumber; index++) {
                                fieldId = data.jsonValidateReturn[index][0];
                                promptError = data.jsonValidateReturn[index][1];
                                type = data.jsonValidateReturn[index][2];
                                $.validationEngine.buildPrompt(fieldId, promptError, type);
                            }
                        }
                    }
                })
                return true;
            }
            if ($.validationEngine.settings.success) {
                if ($.validationEngine.settings.unbindEngine) { $(caller).unbind("submit") }
                $.validationEngine.settings.success && $.validationEngine.settings.success();
                return true;
            }
            return false;
        },
        buildPrompt: function(caller, promptText, type, ajaxed) {
            if (!$.validationEngine.settings) {
                $.validationEngine.defaultSetting()
            }
            var divFormError = document.createElement('div');
            var formErrorContent = document.createElement('div');

            linkTofield = $.validationEngine.linkTofield(caller)
            $(divFormError).addClass("formError")

            if (type == "pass") { $(divFormError).addClass("greenPopup") }
            if (type == "load") { $(divFormError).addClass("blackPopup") }
            if (ajaxed) { $(divFormError).addClass("ajaxed") }

            $(divFormError).addClass(linkTofield);
            $(formErrorContent).addClass("formErrorContent");

            $("body").append(divFormError);
            $(divFormError).append(formErrorContent);

            if ($.validationEngine.showTriangle != false) {
                var arrow = document.createElement('div');
                $(arrow).addClass("formErrorArrow");
                $(divFormError).append(arrow);
                if ($.validationEngine.settings.promptPosition == "bottomLeft" || $.validationEngine.settings.promptPosition == "bottomRight") {
                    $(arrow).addClass("formErrorArrowBottom")
                    $(arrow).html('<div class="line1"><!-- --></div><div class="line2"><!-- --></div><div class="line3"><!-- --></div><div class="line4"><!-- --></div><div class="line5"><!-- --></div><div class="line6"><!-- --></div><div class="line7"><!-- --></div><div class="line8"><!-- --></div><div class="line9"><!-- --></div><div class="line10"><!-- --></div>');
                }
                if ($.validationEngine.settings.promptPosition == "topLeft" || $.validationEngine.settings.promptPosition == "topRight") {
                    $(divFormError).append(arrow);
                    $(arrow).html('<div class="line10"><!-- --></div><div class="line9"><!-- --></div><div class="line8"><!-- --></div><div class="line7"><!-- --></div><div class="line6"><!-- --></div><div class="line5"><!-- --></div><div class="line4"><!-- --></div><div class="line3"><!-- --></div><div class="line2"><!-- --></div><div class="line1"><!-- --></div>');
                }
            }
            $(formErrorContent).html(promptText)

            callerTopPosition = $(caller).offset().top;
            callerleftPosition = $(caller).offset().left;
            callerWidth = $(caller).width();
            inputHeight = $(divFormError).height();


            if ($.validationEngine.settings.promptPosition == "topRight") { callerleftPosition += callerWidth - 30; callerTopPosition += -inputHeight - 10; }
            if ($.validationEngine.settings.promptPosition == "topLeft") { callerTopPosition += -inputHeight - 10; }

            if ($.validationEngine.settings.promptPosition == "centerRight") { callerleftPosition += callerWidth + 13; }

            if ($.validationEngine.settings.promptPosition == "bottomLeft") {
                callerHeight = $(caller).height();
                callerleftPosition = callerleftPosition;
                callerTopPosition = callerTopPosition + callerHeight + 15;
            }
            if ($.validationEngine.settings.promptPosition == "bottomRight") {
                callerHeight = $(caller).height();
                callerleftPosition += callerWidth - 30;
                callerTopPosition += callerHeight + 15;
            }
            $(divFormError).css({
                top: callerTopPosition,
                left: callerleftPosition,
                opacity: 0
            })
            return $(divFormError).animate({ "opacity": 0.87 }, function() { return true; });
        },
        updatePromptText: function(caller, promptText, type, ajaxed) {

            linkTofield = $.validationEngine.linkTofield(caller);
            var updateThisPrompt = "." + linkTofield;

            if (type == "pass") { $(updateThisPrompt).addClass("greenPopup") } else { $(updateThisPrompt).removeClass("greenPopup") };
            if (type == "load") { $(updateThisPrompt).addClass("blackPopup") } else { $(updateThisPrompt).removeClass("blackPopup") };
            if (ajaxed) { $(updateThisPrompt).addClass("ajaxed") } else { $(updateThisPrompt).removeClass("ajaxed") };

            $(updateThisPrompt).find(".formErrorContent").html(promptText);
            callerTopPosition = $(caller).offset().top;
            inputHeight = $(updateThisPrompt).height();

            if ($.validationEngine.settings.promptPosition == "bottomLeft" || $.validationEngine.settings.promptPosition == "bottomRight") {
                callerHeight = $(caller).height();
                callerTopPosition = callerTopPosition + callerHeight + 15;
            }
            if ($.validationEngine.settings.promptPosition == "centerRight") { callerleftPosition += callerWidth + 13; }
            if ($.validationEngine.settings.promptPosition == "topLeft" || $.validationEngine.settings.promptPosition == "topRight") {
                callerTopPosition = callerTopPosition - inputHeight - 10;
            }
            $(updateThisPrompt).animate({ top: callerTopPosition });
        },
        linkTofield: function(caller) {
            linkTofield = $(caller).attr("id") + "formError";
            linkTofield = linkTofield.replace(/\[/g, "");
            linkTofield = linkTofield.replace(/\]/g, "");
            return linkTofield;
        },
        closePrompt: function(caller, outside) {
            if (!$.validationEngine.settings) {
                $.validationEngine.defaultSetting()
            }
            if (outside) {
                $(caller).fadeTo("fast", 0, function() {
                    $(caller).remove();
                });
                return false;
            }
            if (!ajaxValidate) {
                linkTofield = $.validationEngine.linkTofield(caller);
                closingPrompt = "." + linkTofield;
                $(closingPrompt).fadeTo("fast", 0, function() {
                    $(closingPrompt).remove();
                });
            }
        },
        debug: function(error) {
            if (!$("#debugMode")[0]) {
                $("body").append("<div id='debugMode'><div class='debugError'><strong>This is a debug mode, you got a problem with your form, it will try to help you, refresh when you think you nailed down the problem</strong></div></div>");
            }
            $(".debugError").append("<div class='debugerror'>" + error + "</div>");
        },
        submitValidation: function(caller) {
            var stopForm = false;
            $.validationEngine.ajaxValid = true;
            $(caller).find(".formError").remove();
            var toValidateSize = $(caller).find("[class*=validate]").size();

            $(caller).find("[class*=validate]").each(function() {
                linkTofield = $.validationEngine.linkTofield(this);

                if (!$("." + linkTofield).hasClass("ajaxed")) {
                    var validationPass = $.validationEngine.loadValidation(this);
                    return (validationPass) ? stopForm = true : "";
                };
            });
            ajaxErrorLength = $.validationEngine.ajaxValidArray.length;
            for (x = 0; x < ajaxErrorLength; x++) {
                if ($.validationEngine.ajaxValidArray[x][1] == false) {
                    $.validationEngine.ajaxValid = false;
                }
            }
            if (stopForm || !$.validationEngine.ajaxValid) {
                if ($.validationEngine.settings.animateSubmit) {
                    destination = $(".formError:not('.greenPopup'):first").offset().top;
                    $(".formError:not('.greenPopup')").each(function() {
                        testDestination = $(this).offset().top;
                        if (destination > testDestination) {
                            destination = $(this).offset().top;
                        }
                    })
                    $("html:not(:animated),body:not(:animated)").animate({ scrollTop: destination }, 1100);
                }
                return true;
            } else {
                return false;
            }
        }
    }
})(jQuery);