var ffSurvey = {};
ffSurvey.questionarray = new Array();
ffSurvey.visibilitydictionary = new Array();

ffSurvey.addVisibilityRule = function(qid, cid) {
	ffSurvey.questionarray[ffSurvey.questionarray.length] = qid;
	ffSurvey.visibilitydictionary[qid] = cid;
};

ffSurvey.enforceVisibility = function() {
    for (var qid in ffSurvey.questionarray) {
        var component = $(document.getElementById("ffComponent_" + ffSurvey.questionarray[qid]));

        if ($(".componentedit", component).length > 0) {
            component.addClass("ff-hiddenfield-edit");
        } else {
            component.addClass("ff-hiddenfield");
        }

        $(".ff-questionChoice").each(function() {
            for (var cid in ffSurvey.visibilitydictionary[ffSurvey.questionarray[qid]]) {
                if (ffSurvey.visibilitydictionary[ffSurvey.questionarray[qid]][cid] == $(this).attr("data-ff-choiceid") && this.checked && $(this).closest('.ff-hiddenfield').length == 0) {
                    $(document.getElementById("ffComponent_" + ffSurvey.questionarray[qid])).removeClass("ff-hiddenfield").removeClass("ff-hiddenfield-edit");
                }
            }
        });
    }
};

ffSurvey.ffFormValidate = function(form) {
    var fail = false;
    $('.questiontable', form).removeClass('questionanswerinvalid');
    // skip last element of ffRequiredFields, it'll be "-1" to make the xsl logic easier
    for (var i = 0; i < ffRequiredFields.length - 1; i++) {
        var obj = form["q" + ffRequiredFields[i]];
        if (!obj) {
            // might be multi selects
            obj = $('input[name^=q' + ffRequiredFields[i] + ':]', form);
            if (obj.length == 0)
                continue;
        }
        if ($(obj).closest('.ff-hiddenfield').length > 0) continue;
        if ($(obj).closest('.ff-hiddenfield-edit').length > 0) continue;
        if ($(obj).is('.ff-validation-ignore')) continue;
        if (obj.type == "text" || obj.type == "textarea" || obj.type == "file") { // check for text fields
            if (obj.value == "") {
                fail = true;
                $(obj).closest('.questiontable').addClass('questionanswerinvalid');
            }
        }
        else if (obj.length) { // check for radio buttons, the object will actually be an array
            var radio_fail = true;
            for (var j = 0; j < obj.length; j++) {
                if (obj[j].checked)
                    radio_fail = false;
            }
            if (radio_fail) {
                fail = true;
                $(obj).closest('.questiontable').addClass('questionanswerinvalid');
            }
        }
    }
    try {
        if (ffSurvey.ffEmailField !== undefined) {
            var emailPattern = /^([a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4})?$/;
            if (!emailPattern.test(form["q" + this.ffEmailField].value) || ((form["q" + this.ffEmailField].value == '') && (form["copyself"].checked))) {
                fail = true;
                $(form["q" + this.ffEmailField]).closest(".questiontable").addClass('questionanswerinvalid');
            }
        }
    } catch (e) { }
    // also check fields that have a custom regex requirement
    $('*[data-ff-form-regex]').each(function() {
        // this does not check for empty fields, we've already done that
        if ($(this).val() == '') return;
        var re = new RegExp($(this).attr('data-ff-form-regex'), 'i');
        var m = re.exec($(this).val());
        if (m == null) {
            fail = true;
            $(this).closest(".questiontable").addClass('questionanswerinvalid');
        }
    });
    if (fail)
        alert("Please fill in all required fields and ensure that your responses are valid.  Problematic responses have been highlighted.");
    else {
        // disable the submit button to prevent double submission
        $('.ff-form-submit', form).each(function() {
            this.disabled = true;
        });
    }
    return !fail;
}

var ffTest = {};
ffTest.ffTestSubmit = false;
ffTest.ffFormSubmit = function(form) {
    ffTest.ffTestSubmit = true;

    // disable the submit button to prevent double submission
    $('.ff-form-submit', form).each(function() {
        this.disabled = true;
    });

    return true;
}

$(function() {
    if ($('.ff-form-datepicker').datepicker({ dateFormat: 'dd/mm/yy' }).length > 0) {
        checkStyles(ffBaseURL + 'Templates/lib/jquery/css/ui-lightness/jquery-ui-1.8.2.custom.css');
    }
});