/* (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
 *
 * All Rights Reserved. See copyright.txt for details and a complete list of authors.
 * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
 * $Id$
 */


jQuery.validator.setDefaults({
    onkeyup: false,
    errorClass: 'invalid-feedback',
    errorPlacement: function(error, element) {
        if ($(element).parents('.input-group').length > 0) {
            error.insertAfter($(element).parents('.input-group').first());
        } else {
            error.appendTo($(element).parent());
        }
    },
    highlight: function(element) {
        $(element).addClass('is-invalid');
        // Highlight chosen element if exists
        $("#" + element.getAttribute("id") + "_chosen").addClass("is-invalid");
    },
    unhighlight: function(element) {
        $(element).removeClass("is-invalid");
        // Unhighlight chosen element if exists
        $("#" + element.getAttribute("id") + "_chosen").removeClass("is-invalid");
    },
    ignore: '.ignore'
});


// see http://stackoverflow.com/questions/1300994/

jQuery.validator.addMethod("required_in_group", function (value, element, options) {
    var numberRequired = options[0], excluded;
    var selector = options[1];
    if (typeof options[2] != 'undefined') {
        excluded = options[2];
    } else {
        excluded = '';
    }
    //Look for our selector within the parent form
    var validOrNot = $(selector, element.form).filter(
            function () {
                // for the case where there is a other option, to allow users to
                // jump to the other form input without trigger the validation
                if ($(this).data('tiki_never_visited')) return 'dummy-value-for-validation';
                // Each field is kept if it has a value
                return ($(this).val() && $(this).val().toLowerCase() != excluded);
                // Set to true if there are enough, else to false
            }).length >= numberRequired;

    var validator = this;
    // The elegent part - this element needs to check the others that match the
    // selector, but we don't want to set off a feedback loop where each element
    // has to check each other element. It would be like:
    // Element 1: "I might be valid if you're valid. Are you?"
    // Element 2: "Let's see. I might be valid if YOU'RE valid. Are you?"
    // Element 1: "Let's see. I might be valid if YOU'RE valid. Are you?"
    // ...etc, until we get a "too much recursion" error.
    //
    // So instead we
    //  1) Flag all matching elements as 'currently being validated'
    //  using jQuery's .data()
    //  2) Re-run validation on each of them. Since the others are now
    //     flagged as being in the process, they will skip this section,
    //     and therefore won't turn around and validate everything else
    //  3) Once that's done, we remove the 'currently being validated' flag
    //     from all the elements
    if (!$(element).data('being_validated')) {
        var fields = $(selector, element.form);
        fields.data('being_validated', true);
        // .valid() means "validate using all applicable rules" (which
        // includes this one)
        validator.valid();
        fields.data('being_validated', false);
    }

    return validOrNot;

    // {0} below is the 0th item in the options field
}, jQuery.validator.format(tr("Please fill out {0} of these fields.")));

// for validating tracker file attachments based on required_in_group
// similar but needs a different message

jQuery.validator.addMethod("required_tracker_file", function (value, element, options) {
    var numberRequired = options[0];
    var selector = options[1];
    var validOrNot = $(selector, element.form).filter(
            function () {
                return $(this).val();
            }).length >= numberRequired;

    if (!$(element).data('being_validated')) {
        var fields = $(selector, element.form);
        fields.data('being_validated', true);
        fields.valid();
        fields.data('being_validated', false);
    }
    return validOrNot;
}, jQuery.validator.format("File required"));

// for validating email fields where multiple addresses can be entered
// separator is options[0] and defaults to comma

jQuery.validator.addMethod("email_multi", function (value, element, options) {
    var separator = options[0] || ",";
    var emails = $(element).val().split(separator);

    for (var i = 0; i < emails.length; i++) {
        if (!$.validator.methods["email"].call( this, $.trim(emails[i]), element )) {
            return false;
        }
    }

    return true;

}, jQuery.validator.format("Please enter valid email addresses separated by commas"));

jQuery.validator.addClassRules("email_multi", {
    email_multi: true
});

/**
 * Wait for AJAX form validation to finish before proceeding with submit
 *
 * @param    form form element
 * @param    event submission event (optional)
 * @return    {Boolean}
 */
function process_submit(form, event) {

    var $form = $(form);
    if (!$form.attr("is_validating")) {
        $form.attr("is_validating", true);
        $form.validate();
    }
    if ($form.validate().pendingRequest > 0) {
        $(form).data("resubmit", true);
        setTimeout(function() {process_submit(form, event);}, 500);
        return false;
    }
    $form.attr("is_validating", false);

    if (!$form.valid()) {
        return false;
    }

    // soft-disable submit button(s)
    if ($form.data("ajax")) {
        $form.find("input[type=submit]").css("opacity", 0.3);
        $form.parents(".modal").find(".auto-btn").css("opacity", 0.3);
    } else {
        $form.find("input[type=submit]").off("click").css("opacity", 0.3);
        $form.parents(".modal").find(".auto-btn").off("click").css("opacity", 0.3);
    }
    if( $(form).hasClass("confirm-action") ) {
        $form.tikiModal(tr("Saving..."));
    }
    // prevent form from submitting twice
    if (!$form.data('submitted')) {
        $form.data('submitted', true);
    } else {
        return false;
    }
    // deal with ajax validation submission function not sending the value of the button that submitted the form (only really happend with legacy tracker insertion screens)
    if( typeof event !== 'undefined' && event.target ) {
        var btn = $(event.target);
        if (btn.is('form')) {
            var btnform = btn;
            var btn = btnform.find("input[type=submit]:focus");
            // workaround for safari
            if( btn.length == 0 ) {
                btn = btnform.find("input[type=submit]:first");
            }
        }
        $( "<input type='hidden'/>" )
            .attr( "name", btn.attr('name') )
            .val( btn.val() )
            .appendTo( $form );
    }
    if( $form.data("resubmit") ) {
        $form.data("resubmit", false);
        $form.submit();
    }
    // if the form is using ajax, send the request here instead of letting the form submit
    if ($form.data("ajax")) {
        if ($form.data("ajax_action") == "update") {
            $form.tracker_update_item({
                    trackerId: $form.data('tracker_id'),
                    itemId: $form.data('item_id'),
                    ajax: true
                }, function(trackerInfo) {
                // soft-reenable submit
                $form.data('submitted', false);
                $form.find("input[type=submit]").off("click").css("opacity", 1);
                $form.parents(".modal").find(".auto-btn").off("click").css("opacity", 1);
            });
        } else {
            $form.tracker_insert_item({
                    trackerId: $form.data('tracker_id'),
                    ajax: true
                }, function(trackerInfo) {
                // soft-reenable submit
                $form.data("ajax_action", "update");
                $form.data('item_id', trackerInfo.itemId);
                $form.data('submitted', false);
                $form.find("input[type=submit]").off("click").css("opacity", 1);
                $form.parents(".modal").find(".auto-btn").off("click").css("opacity", 1);
            });
        }
        return false;
    }
    return true;
}

jQuery.validator.addMethod("validate_cron_runtime", function (value, element, options) {
    var cronTime = value.trim();
    var regex = "^(\\*|((\\*\\/)?[1-5]?[0-9])|[1-5]?[0-9]-[1-5]?[0-9]|[1-5]?[0-9](,[1-5]?[0-9])*) (\\*|((\\*\\/)?(1?[0-9]|2[0-3]))|(1?[0-9]|2[0-3])-(1?[0-9]|2[0-3])|(1?[0-9]|2[0-3])(,(1?[0-9]|2[0-3]))*) (\\*|((\\*\\/)?([1-9]|[12][0-9]|3[0-1]))|([1-9]|[12][0-9]|3[0-1])-([1-9]|[12][0-9]|3[0-1])|([1-9]|[12][0-9]|3[0-1])(,([1-9]|[12][0-9]|3[0-1]))*) (\\*|((\\*\\/)?([1-9]|1[0-2])|([1-9]|1[0-2])-([1-9]|1[0-2])|([1-9]|1[0-2])(,([1-9]|1[0-2]))*)) (\\*|((\\*\\/)?[0-6])|[0-6](,[0-6])*|[0-6]-[0-6])$";
    if (cronTime.match(regex) === null) {
        $(element).addClass('is-invalid');
        return false;
    }
    $(element).parents('.form-group').first().removeClass('is-invalid');
    return true;
}, jQuery.validator.format(tr("Cron run time is not valid")));