$(function()
{
   /**
   * set required fields, add star class to them.
   *
   * @access public
   * @return void
   */
    var setrequiredfields = function()
    {
        if(!config || !config.requiredfields) return;
        var requiredfields = config.requiredfields.split(',');
        for(i = 0; i < requiredfields.length; i++)
        {
            var $field = $('#' + requiredfields[i]);
            $field.closest('td,th').prepend("<div class='required required-wrapper'></div>");
            $field.closest('.form-group').addclass('required');
            if(window.v && window.v.lang.required)
            {
                $field.attr('placeholder', '(' + window.v.lang.required + ') ' + ($field.attr('placeholder') || ''));
            }
        }
    };

    // set required feilds in form
    setrequiredfields();

    // make company links on app navbar as modaltrigger to open content with modal
    $('#appnav .nav-system-company a, #appnav a[data-toggle="modal"]').modaltrigger();

    // set active item on #appnav
    var $appnav = $('#appnav');
    var activednav = v.activednav;
    if(!activednav)
    {
        if(config && config.currentmodule)
        {
            var modulename = config.currentmodule;
            if(modulename === 'article' || modulename === 'product' || modulename === 'blog')
            {
                var lifinded = false;
                $appnav.find('li > a').each(function()
                {
                    var $a        = $(this);
                    var href      = $a.attr('href'), 
                        $li       = $a.parents('li'),
                        pathname  = document.location.pathname;
                    var hrefindex = href.indexof(pathname);
                    if(href !== '/' && hrefindex === 0 && !$li.hasclass('active'))
                    {
                        $li.addclass('active');
                        lifinded = true;
                    }
                });
                if(!lifinded) activednav = '.nav-' + modulename + '-0';
            }
            else activednav = '.nav-system-' + (modulename === 'index' ? 'home' : modulename);
        }
    }
    $appnav.find(activednav).addclass('active');

    // init deleter
    $(document).on('click', '.deleter', function(e)
    {

        var $this   = $(this);
        var options = $.extend({url: $this.attr('href'), confirm: window.v.lang.confirmdelete}, $this.data());
        e.preventdefault();
        $.ajaxaction(options, $this);
    });

    function tidycardsrow($row)
    {
        var $cards = $row.children('.col');
        if($cards.length < 2)
        {
            $cards.css('width', '100%');
            return;
        }
        var contentheight = 0, minimgheight = 9999, maximgheight = 0;
        var width = 100.0 / $cards.length;
        $cards.each(function()
        {
            var $col = $(this).css('width', width + '%');
            contentheight = math.max(contentheight, $col.find('.card-content').height());
            var $img = $col.find('.card-img').css('height', 'auto');
            var imgheight = $img.height();
            if(!$img.find('.media-placeholder').length) minimgheight = math.min(minimgheight, imgheight);
            maximgheight = math.max(maximgheight, imgheight);
        });
        if(minimgheight === 9999) return;
        $cards.find('.card-content').css('height', contentheight);
        if(minimgheight > 20)
        {
            $cards.find('.card-img').css({'height': minimgheight})
                .find('.media-placeholder').css({'height': minimgheight, 'line-height': minimgheight + 'px'});
        }
        if(maximgheight !== minimgheight || minimgheight <= 20) {settimeout(function(){tidycardsrow($row);}, 500);}
    };

    $.fn.tidycards = function()
    {
        return $(this).each(function()
        {
            $(this).children('.row').each(function(){tidycardsrow($(this));});
        });
    };
    $('.cards-products').tidycards();

    $(window).on('lazyloaded', function(e, $img)
    {
        var $row = $img.closest('.row');
        if($row.parent().hasclass('cards-products')) tidycardsrow($row);
    })
});