var app = function () {

     // ie mode
    var isrtl = false;
    var isie8 = false;
    var isie9 = false;
    var isie10 = false;

    var responsive = true;

    var responsivehandlers = [];

    var handleinit = function() {

        if ($('body').css('direction') === 'rtl') {
            isrtl = true;
        }

        isie8 = !! navigator.useragent.match(/msie 8.0/);
        isie9 = !! navigator.useragent.match(/msie 9.0/);
        isie10 = !! navigator.useragent.match(/msie 10.0/);
        
        if (isie10) {
            jquery('html').addclass('ie10'); // detect ie10 version
        }
    }

    // runs callback functions set by app.addresponsivehandler().
    var runresponsivehandlers = function () {
        // reinitialize other subscribed elements
        for (var i in responsivehandlers) {
            var each = responsivehandlers[i];
            each.call();
        }
    }

    // handle the layout reinitialization on window resize
    var handleresponsiveonresize = function () {
        var resize;
        if (isie8) {
            var currheight;
            $(window).resize(function () {
                if (currheight == document.documentelement.clientheight) {
                    return; //quite event since only body resized not window.
                }
                if (resize) {
                    cleartimeout(resize);
                }
                resize = settimeout(function () {
                    runresponsivehandlers();
                }, 50); // wait 50ms until window resize finishes.                
                currheight = document.documentelement.clientheight; // store last body client height
            });
        } else {
            $(window).resize(function () {
                if (resize) {
                    cleartimeout(resize);
                }
                resize = settimeout(function () {
                    runresponsivehandlers();
                }, 50); // wait 50ms until window resize finishes.
            });
        }
    }

    var handleiefixes = function() {
        //fix html5 placeholder attribute for ie7 & ie8
        if (isie8 || isie9) { // ie8 & ie9
            // this is html5 placeholder fix for inputs, inputs with placeholder-no-fix class will be skipped(e.g: we need this for password fields)
            jquery('input[placeholder]:not(.placeholder-no-fix), textarea[placeholder]:not(.placeholder-no-fix)').each(function () {

                var input = jquery(this);

                if (input.val() == '' && input.attr("placeholder") != '') {
                    input.addclass("placeholder").val(input.attr('placeholder'));
                }

                input.focus(function () {
                    if (input.val() == input.attr('placeholder')) {
                        input.val('');
                    }
                });

                input.blur(function () {
                    if (input.val() == '' || input.val() == input.attr('placeholder')) {
                        input.val(input.attr('placeholder'));
                    }
                });
            });
        }
    }

    // handles scrollable contents using jquery slimscroll plugin.
    var handlescrollers = function () {
        $('.scroller').each(function () {
            var height;
            if ($(this).attr("data-height")) {
                height = $(this).attr("data-height");
            } else {
                height = $(this).css('height');
            }
            $(this).slimscroll({
                allowpagescroll: true, // allow page scroll when the element scroll is ended
                size: '7px',
                color: ($(this).attr("data-handle-color")  ? $(this).attr("data-handle-color") : '#bbb'),
                railcolor: ($(this).attr("data-rail-color")  ? $(this).attr("data-rail-color") : '#eaeaea'),
                position: isrtl ? 'left' : 'right',
                height: height,
                alwaysvisible: ($(this).attr("data-always-visible") == "1" ? true : false),
                railvisible: ($(this).attr("data-rail-visible") == "1" ? true : false),
                disablefadeout: true
            });
        });
    }

    var handlesearch = function() {    
        $('.search-btn').click(function () {            
            if($('.search-btn').hasclass('show-search-icon')){
                if ($(window).width()>767) {
                    $('.search-box').fadeout(300);
                } else {
                    $('.search-box').fadeout(0);
                }
                $('.search-btn').removeclass('show-search-icon');
            } else {
                if ($(window).width()>767) {
                    $('.search-box').fadein(300);
                } else {
                    $('.search-box').fadein(0);
                }
                $('.search-btn').addclass('show-search-icon');
            } 
        }); 
    }

    var handlemenu = function() {
        $(".header .navbar-toggle").click(function () {
            if ($(".header .navbar-collapse").hasclass("open")) {
                $(".header .navbar-collapse").slidedown(300)
                .removeclass("open");
            } else {             
                $(".header .navbar-collapse").slidedown(300)
                .addclass("open");
            }
        });
    }

    var handlesidebarmenu = function () {
        $(".sidebar .dropdown a").click(function () {
            if ($(this).hasclass("collapsed") == false) {
                $(this).addclass("collapsed");
                $(this).siblings(".dropdown-menu").slidedown(300);
            } else {
                $(this).removeclass("collapsed");
                $(this).siblings(".dropdown-menu").slideup(300);
            }
        });
    }

    function handledifinits() { 
        $(".header .navbar-toggle span:nth-child(2)").addclass("short-icon-bar");
        $(".header .navbar-toggle span:nth-child(4)").addclass("short-icon-bar");
    }

    function handleuniform() {
        if (!jquery().uniform) {
            return;
        }
        var test = $("input[type=checkbox]:not(.toggle), input[type=radio]:not(.toggle, .star)");
        if (test.size() > 0) {
            test.each(function () {
                    if ($(this).parents(".checker").size() == 0) {
                        $(this).show();
                        $(this).uniform();
                    }
                });
        }
    }

    var handlefancybox = function () {
        jquery(".fancybox-fast-view").fancybox();

        if (!jquery.fancybox) {
            return;
        }

        if (jquery(".fancybox-button").size() > 0) {            
            jquery(".fancybox-button").fancybox({
                groupattr: 'data-rel',
                preveffect: 'none',
                nexteffect: 'none',
                closebtn: true,
                helpers: {
                    title: {
                        type: 'inside'
                    }
                }
            });

            $('.fancybox-video').fancybox({
                type: 'iframe'
            });
        }
    }

    // handles bootstrap accordions.
    var handleaccordions = function () {
       
        jquery('body').on('shown.bs.collapse', '.accordion.scrollable', function (e) {
            app.scrollto($(e.target), -100);
        });
        
    }

    // handles bootstrap tabs.
    var handletabs = function () {
        // fix content height on tab click
        $('body').on('shown.bs.tab', '.nav.nav-tabs', function () {
            handlesidebarandcontentheight();
        });

        //activate tab if tab id provided in the url
        if (location.hash) {
            var tabid = location.hash.substr(1);
            $('a[href="#' + tabid + '"]').click();
        }
    }
	
    return {
        init: function () {
            // init core variables
            handleinit();
            handleresponsiveonresize();
            handleiefixes();
            handlesearch();
            handlefancybox();
            handledifinits();
            handlesidebarmenu();
            handleaccordions();
            handlemenu();
            handlescrollers();

            this.addresponsivehandler(function(){ 
                app.initbxslider(true);
            });
        },

        inituniform: function (els) {
            if (els) {
                jquery(els).each(function () {
                        if ($(this).parents(".checker").size() == 0) {
                            $(this).show();
                            $(this).uniform();
                        }
                    });
            } else {
                handleuniform();
            }
        },

        inittouchspin: function () {
            $(".product-quantity .form-control").touchspin({
                buttondown_class: "btn quantity-down",
                buttonup_class: "btn quantity-up"
            });
            $(".quantity-down").html("<i class='fa fa-angle-down'></i>");
            $(".quantity-up").html("<i class='fa fa-angle-up'></i>");
        },

        initbxslider: function (reload) {
            $('.bxslider').each(function(){
                var width = $(window).width();

                var slides; 
                var slidemargin = parseint($(this).attr("data-slide-margin"));
                var slidecontainerwidth = $(this).closest('.bxslider-wrapper').width();
                var slidewidth;

                if (width <= 480) {
                    slides = $(this).attr("data-slides-phone");
                } else if (width > 480 && width <= 992) {
                    slides = $(this).attr("data-slides-tablet");
                } else {
                    slides = $(this).attr("data-slides-desktop");
                }

                slides = parseint(slides);

                slidewidth = slidecontainerwidth / slides;


                if (reload === true) {
                    if (!$(this).data("bxslider")) {
                        return;
                    }
                    $(this).data("bxslider").reloadslider({
                        minslides: slides,
                        maxslides: slides,
                        slidewidth: slidewidth,
                        slidemargin: slidemargin,
                        moveslides:5,
                        responsive:true
                    });
                } else {
                    //alert(2);
                    var slider = $(this).bxslider({
                        minslides: slides,
                        maxslides: slides,
                        slidewidth: slidewidth,
                        slidemargin: slidemargin,   
                        moveslides:5,
                        responsive:true
                    });
                    $(this).data("bxslider", slider);
                }
            });       
        },

        initimagezoom: function () {
            $('.product-main-image').zoom({url: $('.product-main-image img').attr('data-bigimgsrc')});
        },

        initsliderrange: function () {
            $( "#slider-range" ).slider({
              range: true,
              min: 0,
              max: 500,
              values: [ 50, 250 ],
              slide: function( event, ui ) {
                $( "#amount" ).val( "$" + ui.values[ 0 ] + " - $" + ui.values[ 1 ] );
              }
            });
            $( "#amount" ).val( "$" + $( "#slider-range" ).slider( "values", 0 ) +
            " - $" + $( "#slider-range" ).slider( "values", 1 ) );
        },

        // wrapper function to scroll(focus) to an element
        scrollto: function (el, offeset) {
            var pos = (el && el.size() > 0) ? el.offset().top : 0;
            if (el) {
                if ($('body').hasclass('page-header-fixed')) {
                    pos = pos - $('.header').height(); 
                }            
                pos = pos + (offeset ? offeset : -1 * el.height());
            }

            jquery('html,body').animate({
                scrolltop: pos
            }, 'slow');
        },

        //public function to add callback a function which will be called on window resize
        addresponsivehandler: function (func) {
            responsivehandlers.push(func);
        },

        scrolltop: function () {
            app.scrollto();
        },

        gridoption1: function () {
            $(function(){
                $('.grid-v1').mixitup();
            });    
        }

    };
}();