(function ($) {
    var options = {};
    var returnHash = [];
    $.fn.RSV = function (params) {
        options = $.extend({}, $.fn.RSV.defaults, params);
        return this.each(function () {
            $(this).bind('submit', {currForm:this, options:options}, $(this).RSV.validate);
        });
    };
    $.fn.RSV.defaults = {rules:[], displayType:"alert-all", errorFieldClass:null, errorTextIntro:"Please fix the following error(s) and resubmit:", errorJSItemBullet:"* ", errorHTMLItemBullet:"• ", errorTargetElementId:"rsvErrors", customErrorHandler:null, onCompleteHandler:null};
    $.fn.RSV.validate = function (event) {
        options = event.data.options;
        var form = event.data.currForm;
        var rules = options.rules;
        returnHash = [];
        for (var i = 0; i < rules.length; i++) {
            var row = rules[i].replace(/\\,/ig, "%%C%%");
            row = row.split(",");
            var satisfiesIfConditions = true;
            while (row[0].match("^if:")) {
                var cond = row[0];
                cond = cond.replace("if:", "");
                var comparison = "equal";
                var parts = [];
                if (cond.search("!=") != -1) {
                    parts = cond.split("!=");
                    comparison = "not_equal";
                }
                else
                    parts = cond.split("=");
                var fieldToCheck = parts[0];
                var valueToCheck = parts[1];
                var fieldnameValue = "";
                if (form[fieldToCheck].type == undefined) {
                    for (var j = 0; j < form[fieldToCheck].length; j++) {
                        if (form[fieldToCheck][j].checked)
                            fieldnameValue = form[fieldToCheck][j].value;
                    }
                }
                else if (form[fieldToCheck].type == "checkbox") {
                    if (form[fieldToCheck].checked)
                        fieldnameValue = form[parts[0]].value;
                }
                else
                    fieldnameValue = form[parts[0]].value;
                if (comparison == "equal" && fieldnameValue != valueToCheck) {
                    satisfiesIfConditions = false;
                    break;
                }
                else if (comparison == "not_equal" && fieldnameValue == valueToCheck) {
                    satisfiesIfConditions = false;
                    break;
                }
                else
                    row.shift();
            }
            if (!satisfiesIfConditions)
                continue;
            var requirement = row[0];
            var fieldName = row[1];
            var fieldName2, fieldName3, errorMessage, lengthRequirements, date_flag;
            if (requirement != "function" && form[fieldName] == undefined) {
                alert("RSV Error: the field \"" + fieldName + "\" doesn't exist! Please check your form and settings.");
                return false;
            }
            if (requirement != "function" && options.errorFieldClass) {
                if (form[fieldName].type == undefined) {
                    for (var j = 0; j < form[fieldName].length; j++) {
                        if ($(form[fieldName][j]).hasClass(options.errorFieldClass))
                            $(form[fieldName][j]).removeClass(options.errorFieldClass);
                    }
                }
                else {
                    if ($(form[fieldName]).hasClass(options.errorFieldClass))
                        $(form[fieldName]).removeClass(options.errorFieldClass);
                }
            }
            if (row.length == 6) {
                fieldName2 = row[2];
                fieldName3 = row[3];
                date_flag = row[4];
                errorMessage = row[5];
            }
            else if (row.length == 5) {
                fieldName2 = row[2];
                fieldName3 = row[3];
                errorMessage = row[4];
            }
            else if (row.length == 4) {
                fieldName2 = row[2];
                errorMessage = row[3];
            }
            else
                errorMessage = row[2];
            if (requirement.match("^length")) {
                lengthRequirements = requirement;
                requirement = "length";
            }
            if (requirement.match("^range")) {
                rangeRequirements = requirement;
                requirement = "range";
            }
            switch (requirement) {
                case"required":
                    if (form[fieldName].type == undefined) {
                        var oneIsChecked = false;
                        for (var j = 0; j < form[fieldName].length; j++) {
                            if (form[fieldName][j].checked)
                                oneIsChecked = true;
                        }
                        if (!oneIsChecked) {
                            if (!processError(form[fieldName], errorMessage))
                                return false;
                        }
                    }
                    else if (form[fieldName].type == "select-multiple") {
                        var oneIsSelected = false;
                        for (var k = 0; k < form[fieldName].length; k++) {
                            if (form[fieldName][k].selected)
                                oneIsSelected = true;
                        }
                        if (!oneIsSelected || form[fieldName].length == 0) {
                            if (!processError(form[fieldName], errorMessage))
                                return false;
                        }
                    }
                    else if (form[fieldName].type == "checkbox") {
                        if (!form[fieldName].checked) {
                            if (!processError(form[fieldName], errorMessage))
                                return false;
                        }
                    }
                    else if (!form[fieldName].value) {
                        if (!processError(form[fieldName], errorMessage))
                            return false;
                    }
                    break;
                case"digits_only":
                    if (form[fieldName].value && form[fieldName].value.match(/\D/)) {
                        if (!processError(form[fieldName], errorMessage))
                            return false;
                    }
                    break;
                case"letters_only":
                    if (form[fieldName].value && form[fieldName].value.match(/[^a-zA-Z]/)) {
                        if (!processError(form[fieldName], errorMessage))
                            return false;
                    }
                    break;
                case"is_alpha":
                    if (form[fieldName].value && form[fieldName].value.match(/\W/)) {
                        if (!processError(form[fieldName], errorMessage))
                            return false;
                    }
                    break;
                case"custom_alpha":
                    var conversion = {"L":"[A-Z]", "V":"[AEIOU]", "l":"[a-z]", "v":"[aeiou]", "D":"[a-zA-Z]", "F":"[aeiouAEIOU]", "C":"[BCDFGHJKLMNPQRSTVWXYZ]", "x":"[0-9]", "c":"[bcdfghjklmnpqrstvwxyz]", "X":"[1-9]", "E":"[bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ]"};
                    var reg_exp_str = "";
                    for (var j = 0; j < fieldName2.length; j++) {
                        if (conversion[fieldName2.charAt(j)])
                            reg_exp_str += conversion[fieldName2.charAt(j)]; else
                            reg_exp_str += fieldName2.charAt(j);
                    }
                    var reg_exp = new RegExp(reg_exp_str);
                    if (form[fieldName].value && reg_exp.exec(form[fieldName].value) == null) {
                        if (!processError(form[fieldName], errorMessage))
                            return false;
                    }
                    break;
                case"reg_exp":
                    var reg_exp_str = fieldName2.replace(/%%C%%/ig, ",");
                    if (row.length == 5)
                        var reg_exp = new RegExp(reg_exp_str, fieldName3); else
                        var reg_exp = new RegExp(reg_exp_str);
                    if (form[fieldName].value && reg_exp.exec(form[fieldName].value) == null) {
                        if (!processError(form[fieldName], errorMessage))
                            return false;
                    }
                    break;
                case"length":
                    comparison_rule = "";
                    rule_string = "";
                    if (lengthRequirements.match(/length=/)) {
                        comparison_rule = "equal";
                        rule_string = lengthRequirements.replace("length=", "");
                    }
                    else if (lengthRequirements.match(/length>=/)) {
                        comparison_rule = "greater_than_or_equal";
                        rule_string = lengthRequirements.replace("length>=", "");
                    }
                    else if (lengthRequirements.match(/length>/)) {
                        comparison_rule = "greater_than";
                        rule_string = lengthRequirements.replace("length>", "");
                    }
                    else if (lengthRequirements.match(/length<=/)) {
                        comparison_rule = "less_than_or_equal";
                        rule_string = lengthRequirements.replace("length<=", "");
                    }
                    else if (lengthRequirements.match(/length</)) {
                        comparison_rule = "less_than";
                        rule_string = lengthRequirements.replace("length<", "");
                    }
                    switch (comparison_rule) {
                        case"greater_than_or_equal":
                            if (!(form[fieldName].value.length >= parseInt(rule_string))) {
                                if (!processError(form[fieldName], errorMessage))
                                    return false;
                            }
                            break;
                        case"greater_than":
                            if (!(form[fieldName].value.length > parseInt(rule_string))) {
                                if (!processError(form[fieldName], errorMessage))
                                    return false;
                            }
                            break;
                        case"less_than_or_equal":
                            if (!(form[fieldName].value.length <= parseInt(rule_string))) {
                                if (!processError(form[fieldName], errorMessage))
                                    return false;
                            }
                            break;
                        case"less_than":
                            if (!(form[fieldName].value.length < parseInt(rule_string))) {
                                if (!processError(form[fieldName], errorMessage))
                                    return false;
                            }
                            break;
                        case"equal":
                            var range_or_exact_number = rule_string.match(/[^_]+/);
                            var fieldCount = range_or_exact_number[0].split("-");
                            if (fieldCount.length == 2) {
                                if (form[fieldName].value.length < fieldCount[0] || form[fieldName].value.length > fieldCount[1]) {
                                    if (!processError(form[fieldName], errorMessage))
                                        return false;
                                }
                            }
                            else {
                                if (form[fieldName].value.length != fieldCount[0]) {
                                    if (!processError(form[fieldName], errorMessage))
                                        return false;
                                }
                            }
                            break;
                    }
                    break;
                case"valid_email":
                    if (form[fieldName].value && !isValidEmail(form[fieldName].value)) {
                        if (!processError(form[fieldName], errorMessage))
                            return false;
                    }
                    break;
                case"valid_date":
                    var isLaterDate = false;
                    if (date_flag == "later_date")
                        isLaterDate = true; else if (date_flag == "any_date")
                        isLaterDate = false;
                    if (!isValidDate(form[fieldName].value, form[fieldName2].value, form[fieldName3].value, isLaterDate)) {
                        if (!processError(form[fieldName], errorMessage))
                            return false;
                    }
                    break;
                case"same_as":
                    if (form[fieldName].value != form[fieldName2].value) {
                        if (!processError(form[fieldName], errorMessage))
                            return false;
                    }
                    break;
                case"range":
                    comparison_rule = "";
                    rule_string = "";
                    if (rangeRequirements.match(/range=/)) {
                        comparison_rule = "equal";
                        rule_string = rangeRequirements.replace("range=", "");
                    }
                    else if (rangeRequirements.match(/range>=/)) {
                        comparison_rule = "greater_than_or_equal";
                        rule_string = rangeRequirements.replace("range>=", "");
                    }
                    else if (rangeRequirements.match(/range>/)) {
                        comparison_rule = "greater_than";
                        rule_string = rangeRequirements.replace("range>", "");
                    }
                    else if (rangeRequirements.match(/range<=/)) {
                        comparison_rule = "less_than_or_equal";
                        rule_string = rangeRequirements.replace("range<=", "");
                    }
                    else if (rangeRequirements.match(/range</)) {
                        comparison_rule = "less_than";
                        rule_string = rangeRequirements.replace("range<", "");
                    }
                    switch (comparison_rule) {
                        case"greater_than_or_equal":
                            if (!(form[fieldName].value >= Number(rule_string))) {
                                if (!processError(form[fieldName], errorMessage))
                                    return false;
                            }
                            break;
                        case"greater_than":
                            if (!(form[fieldName].value > Number(rule_string))) {
                                if (!processError(form[fieldName], errorMessage))
                                    return false;
                            }
                            break;
                        case"less_than_or_equal":
                            if (!(form[fieldName].value <= Number(rule_string))) {
                                if (!processError(form[fieldName], errorMessage))
                                    return false;
                            }
                            break;
                        case"less_than":
                            if (!(form[fieldName].value < Number(rule_string))) {
                                if (!processError(form[fieldName], errorMessage))
                                    return false;
                            }
                            break;
                        case"equal":
                            var rangeValues = rule_string.split("-");
                            if ((form[fieldName].value < Number(rangeValues[0])) || (form[fieldName].value > Number(rangeValues[1]))) {
                                if (!processError(form[fieldName], errorMessage))
                                    return false;
                            }
                            break;
                    }
                    break;
                case"function":
                    custom_function = fieldName;
                    eval("var result = " + custom_function + "()");
                    if (result.constructor.toString().indexOf("Array") != -1) {
                        for (var j = 0; j < result.length; j++) {
                            if (!processError(result[j][0], result[j][1]))
                                return false;
                        }
                    }
                    break;
                default:
                    alert("Unknown requirement flag in validateFields(): " + requirement);
                    return false;
            }
        }
        if (typeof options.customErrorHandler == 'function')
            return options.customErrorHandler(form, returnHash); else if (options.displayType == "alert-all") {
            var errorStr = options.errorTextIntro + "\n\n";
            for (var i = 0; i < returnHash.length; i++) {
                errorStr += options.errorJSItemBullet + returnHash[i][1] + "\n";
                styleField(returnHash[i][0], i == 0);
            }
            if (returnHash.length > 0) {
                alert(errorStr);
                return false;
            }
        }
        else if (options.displayType == "display-html") {
            var success = displayHTMLErrors(form, returnHash);
            if (!success)
                return false;
        }
        if (typeof options.onCompleteHandler == 'function')
            return options.onCompleteHandler(); else
            return true;
    }
    function processError(obj, message) {
        message = message.replace(/%%C%%/ig, ",");
        var continueProcessing = true;
        switch (options.displayType) {
            case"alert-one":
                alert(message);
                styleField(obj, true);
                continueProcessing = false;
                break;
            case"alert-all":
            case"display-html":
                returnHash.push([obj, message]);
                break;
        }
        return continueProcessing;
    }

    function displayHTMLErrors(f, errorInfo) {
        var errorHTML = options.errorTextIntro + "<br /><br />";
        for (var i = 0; i < errorInfo.length; i++) {
            errorHTML += options.errorHTMLItemBullet + errorInfo[i][1] + "<br />";
            styleField(errorInfo[i][0], i == 0);
        }
        if (errorInfo.length > 0) {
            $("#" + options.errorTargetElementId).css("display", "block");
            $("#" + options.errorTargetElementId).html(errorHTML);
            return false;
        }
        return true;
    }

    function styleField(field, focus) {
        if (field.type == undefined) {
            if (focus)
                field[0].focus();
            for (var i = 0; i < field.length; i++) {
                if (!$(field[i]).hasClass(options.errorFieldClass))
                    $(field[i]).addClass(options.errorFieldClass);
            }
        }
        else {
            if (options.errorFieldClass)
                $(field).addClass(options.errorFieldClass);
            if (focus)
                field.focus();
        }
    }

    function isValidEmail(str) {
        var s = $.trim(str);
        var at = "@";
        var dot = ".";
        var lat = s.indexOf(at);
        var lstr = s.length;
        var ldot = s.indexOf(dot);
        if (s.indexOf(at) == -1 || (s.indexOf(at) == -1 || s.indexOf(at) == 0 || s.indexOf(at) == lstr) || (s.indexOf(dot) == -1 || s.indexOf(dot) == 0 || s.indexOf(dot) == lstr) || (s.indexOf(at, (lat + 1)) != -1) || (s.substring(lat - 1, lat) == dot || s.substring(lat + 1, lat + 2) == dot) || (s.indexOf(dot, (lat + 2)) == -1) || (s.indexOf(" ") != -1)) {
            return false;
        }
        return true;
    }

    function isValidDate(month, day, year, isLaterDate) {
        var daysInMonth;
        if ((year % 4 == 0) && ((year % 100 != 0) || (year % 400 == 0)))
            daysInMonth = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]; else
            daysInMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
        if (!month || !day || !year)return false;
        if (1 > month || month > 12)return false;
        if (year < 0)return false;
        if (1 > day || day > daysInMonth[month - 1])return false;
        if (isLaterDate) {
            var today = new Date();
            var currMonth = today.getMonth() + 1;
            var currDay = today.getDate();
            var currYear = today.getFullYear();
            if (String(currMonth).length == 1)currMonth = "0" + currMonth;
            if (String(currDay).length == 1)currDay = "0" + currDay;
            var currDate = String(currYear) + String(currMonth) + String(currDay);
            if (String(month).length == 1)month = "0" + month;
            if (String(day).length == 1)day = "0" + day;
            incomingDate = String(year) + String(month) + String(day);
            if (Number(currDate) > Number(incomingDate))
                return false;
        }
        return true;
    }
})(jQuery);