/**

Core script to handle the entire theme and core functions

**/

var Layout = function () {



    var layoutImgPath = 'layouts/layout/img/';



    var layoutCssPath = 'layouts/layout/css/';



    var resBreakpointMd = App.getResponsiveBreakpoint('md');



    //* BEGIN:CORE HANDLERS *//

    // this function handles responsive layout on screen size resize or mobile device rotate.



    // Set proper height for sidebar and content. The content and sidebar height must be synced always.

    var handleSidebarAndContentHeight = function () {

        var content = $('.page-content');

        var sidebar = $('.page-sidebar');

        var body = $('body');

        var height;



        if (body.hasClass("page-footer-fixed") === true && body.hasClass("page-sidebar-fixed") === false) {

            var available_height = App.getViewPort().height - $('.page-footer').outerHeight() - $('.page-header').outerHeight();

            if (content.height() < available_height) {

                content.attr('style', 'min-height:' + available_height + 'px');

            }

        } else {

            if (body.hasClass('page-sidebar-fixed')) {

                height = _calculateFixedSidebarViewportHeight();

                if (body.hasClass('page-footer-fixed') === false) {

                    height = height - $('.page-footer').outerHeight();

                }

            } else {

                var headerHeight = $('.page-header').outerHeight();

                var footerHeight = $('.page-footer').outerHeight();



                if (App.getViewPort().width < resBreakpointMd) {

                    height = App.getViewPort().height - headerHeight - footerHeight;

                } else {

                    height = sidebar.height() + 20;

                }



                if ((height + headerHeight + footerHeight) <= App.getViewPort().height) {

                    height = App.getViewPort().height - headerHeight - footerHeight;

                }

            }

            content.attr('style', 'min-height:' + height + 'px');

        }

    };



    // Handle sidebar menu links

    var handleSidebarMenuActiveLink = function(mode, el) {

        var url = location.hash.toLowerCase();    



        var menu = $('.page-sidebar-menu');



        if (mode === 'click' || mode === 'set') {

            el = $(el);

        } else if (mode === 'match') {

            menu.find("li > a").each(function() {

                var path = $(this).attr("href").toLowerCase();       

                // url match condition         

                if (path.length > 1 && url.substr(1, path.length - 1) == path.substr(1)) {

                    el = $(this);

                    return; 

                }

            });

        }



        if (!el || el.size() == 0) {

            return;

        }



        if (el.attr('href').toLowerCase() === 'javascript:;' || el.attr('href').toLowerCase() === '#') {

            return;

        }        



        var slideSpeed = parseInt(menu.data("slide-speed"));

        var keepExpand = menu.data("keep-expanded");



        // begin: handle active state

        if (menu.hasClass('page-sidebar-menu-hover-submenu') === false) {

            menu.find('li.nav-item.open').each(function() {

                var match = false;

                $(this).find('li').each(function(){

                    if ($(this).find(' > a').attr('href') === el.attr('href')) {

                        match = true;

                        return;

                    }

                });



                if (match === true) {

                    return;

                }



                $(this).removeClass('open');

                $(this).find('> a > .arrow.open').removeClass('open');

                $(this).find('> .sub-menu').slideUp();

            });  

        } else {

             menu.find('li.open').removeClass('open');

        }



        menu.find('li.active').removeClass('active');

        menu.find('li > a > .selected').remove();

        // end: handle active state



        el.parents('li').each(function () {

            $(this).addClass('active');

            $(this).find('> a > span.arrow').addClass('open');



            if ($(this).parent('ul.page-sidebar-menu').size() === 1) {

                $(this).find('> a').append('<span class="selected"></span>');

            }

            

            if ($(this).children('ul.sub-menu').size() === 1) {

                $(this).addClass('open');

            }

        });



        if (mode === 'click') {

            if (App.getViewPort().width < resBreakpointMd && $('.page-sidebar').hasClass("in")) { // close the menu on mobile view while laoding a page 

                $('.page-header .responsive-toggler').click();

            }

        }

    };



    // Handle sidebar menu

    var handleSidebarMenu = function () {

        // handle sidebar link click

        $('.page-sidebar-menu').on('click', 'li > a.nav-toggle, li > a > span.nav-toggle', function (e) {

            var that = $(this).closest('.nav-item').children('.nav-link');



            if (App.getViewPort().width >= resBreakpointMd && !$('.page-sidebar-menu').attr("data-initialized") && $('body').hasClass('page-sidebar-closed') &&  that.parent('li').parent('.page-sidebar-menu').size() === 1) {

                return;

            }



            var hasSubMenu = that.next().hasClass('sub-menu');



            if (App.getViewPort().width >= resBreakpointMd && that.parents('.page-sidebar-menu-hover-submenu').size() === 1) { // exit of hover sidebar menu

                return;

            }



            if (hasSubMenu === false) {

                if (App.getViewPort().width < resBreakpointMd && $('.page-sidebar').hasClass("in")) { // close the menu on mobile view while laoding a page 

                    $('.page-header .responsive-toggler').click();

                }

                return;

            }



            var parent =that.parent().parent();

            var the = that;

            var menu = $('.page-sidebar-menu');

            var sub = that.next();



            var autoScroll = menu.data("auto-scroll");

            var slideSpeed = parseInt(menu.data("slide-speed"));

            var keepExpand = menu.data("keep-expanded");

            

            if (!keepExpand) {

                parent.children('li.open').children('a').children('.arrow').removeClass('open');

                parent.children('li.open').children('.sub-menu:not(.always-open)').slideUp(slideSpeed);

                parent.children('li.open').removeClass('open');

            }



            var slideOffeset = -200;



            if (sub.is(":visible")) {

                $('.arrow', the).removeClass("open");

                the.parent().removeClass("open");

                sub.slideUp(slideSpeed, function () {

                    if (autoScroll === true && $('body').hasClass('page-sidebar-closed') === false) {

                        if ($('body').hasClass('page-sidebar-fixed')) {

                            menu.slimScroll({

                                'scrollTo': (the.position()).top

                            });

                        } else {

                            App.scrollTo(the, slideOffeset);

                        }

                    }

                    handleSidebarAndContentHeight();

                });

            } else if (hasSubMenu) {

                $('.arrow', the).addClass("open");

                the.parent().addClass("open");

                sub.slideDown(slideSpeed, function () {

                    if (autoScroll === true && $('body').hasClass('page-sidebar-closed') === false) {

                        if ($('body').hasClass('page-sidebar-fixed')) {

                            menu.slimScroll({

                                'scrollTo': (the.position()).top

                            });

                        } else {

                            App.scrollTo(the, slideOffeset);

                        }

                    }

                    handleSidebarAndContentHeight();

                });

            }



            e.preventDefault();

        });



        // handle menu close for angularjs version

        if (App.isAngularJsApp()) {

            $(".page-sidebar-menu li > a").on("click", function(e) {

                if (App.getViewPort().width < resBreakpointMd && $(this).next().hasClass('sub-menu') === false) {

                    $('.page-header .responsive-toggler').click();

                }

            });

        }



        // handle ajax links within sidebar menu

        $('.page-sidebar').on('click', ' li > a.ajaxify', function (e) {

            e.preventDefault();

            App.scrollTop();



            var url = $(this).attr("href");

            var menuContainer = $('.page-sidebar ul');

            var pageContent = $('.page-content');

            var pageContentBody = $('.page-content .page-content-body');



            menuContainer.children('li.active').removeClass('active');

            menuContainer.children('arrow.open').removeClass('open');



            $(this).parents('li').each(function () {

                $(this).addClass('active');

                $(this).children('a > span.arrow').addClass('open');

            });

            $(this).parents('li').addClass('active');



            if (App.getViewPort().width < resBreakpointMd && $('.page-sidebar').hasClass("in")) { // close the menu on mobile view while laoding a page 

                $('.page-header .responsive-toggler').click();

            }



            App.startPageLoading();



            var the = $(this);

            

            $.ajax({

                type: "GET",

                cache: false,

                url: url,

                dataType: "html",

                success: function (res) {

                    if (the.parents('li.open').size() === 0) {

                        $('.page-sidebar-menu > li.open > a').click();

                    }



                    App.stopPageLoading();

                    pageContentBody.html(res);

                    Layout.fixContentHeight(); // fix content height

                    App.initAjax(); // initialize core stuff

                },

                error: function (xhr, ajaxOptions, thrownError) {

                    App.stopPageLoading();

                    pageContentBody.html('<h4>Could not load the requested content.</h4>');

                }

            });

        });



        // handle ajax link within main content

        $('.page-content').on('click', '.ajaxify', function (e) {

            e.preventDefault();

            App.scrollTop();



            var url = $(this).attr("href");

            var pageContent = $('.page-content');

            var pageContentBody = $('.page-content .page-content-body');



            App.startPageLoading();



            if (App.getViewPort().width < resBreakpointMd && $('.page-sidebar').hasClass("in")) { // close the menu on mobile view while laoding a page 

                $('.page-header .responsive-toggler').click();

            }



            $.ajax({

                type: "GET",

                cache: false,

                url: url,

                dataType: "html",

                success: function (res) {

                    App.stopPageLoading();

                    pageContentBody.html(res);

                    Layout.fixContentHeight(); // fix content height

                    App.initAjax(); // initialize core stuff

                },

                error: function (xhr, ajaxOptions, thrownError) {

                    pageContentBody.html('<h4>Could not load the requested content.</h4>');

                    App.stopPageLoading();

                }

            });

        });



        // handle scrolling to top on responsive menu toggler click when header is fixed for mobile view

        $(document).on('click', '.page-header-fixed-mobile .page-header .responsive-toggler', function(){

            App.scrollTop(); 

        });      

     

        // handle sidebar hover effect        

        handleFixedSidebarHoverEffect();



        // handle the search bar close

        $('.page-sidebar').on('click', '.sidebar-search .remove', function (e) {

            e.preventDefault();

            $('.sidebar-search').removeClass("open");

        });



        // handle the search query submit on enter press

        $('.page-sidebar .sidebar-search').on('keypress', 'input.form-control', function (e) {

            if (e.which == 13) {

                $('.sidebar-search').submit();

                return false; //<---- Add this line

            }

        });



        // handle the search submit(for sidebar search and responsive mode of the header search)

        $('.sidebar-search .submit').on('click', function (e) {

            e.preventDefault();

            if ($('body').hasClass("page-sidebar-closed")) {

                if ($('.sidebar-search').hasClass('open') === false) {

                    if ($('.page-sidebar-fixed').size() === 1) {

                        $('.page-sidebar .sidebar-toggler').click(); //trigger sidebar toggle button

                    }

                    $('.sidebar-search').addClass("open");

                } else {

                    $('.sidebar-search').submit();

                }

            } else {

                $('.sidebar-search').submit();

            }

        });



        // handle close on body click

        if ($('.sidebar-search').size() !== 0) {

            $('.sidebar-search .input-group').on('click', function(e){

                e.stopPropagation();

            });



            $('body').on('click', function() {

                if ($('.sidebar-search').hasClass('open')) {

                    $('.sidebar-search').removeClass("open");

                }

            });

        }

    };



    // Helper function to calculate sidebar height for fixed sidebar layout.

    var _calculateFixedSidebarViewportHeight = function () {

        var sidebarHeight = App.getViewPort().height - $('.page-header').outerHeight(true);

        if ($('body').hasClass("page-footer-fixed")) {

            sidebarHeight = sidebarHeight - $('.page-footer').outerHeight();

        }



        return sidebarHeight;

    };



    // Handles fixed sidebar

    var handleFixedSidebar = function () {

        var menu = $('.page-sidebar-menu');



        App.destroySlimScroll(menu);



        if ($('.page-sidebar-fixed').size() === 0) {

            handleSidebarAndContentHeight();

            return;

        }



        if (App.getViewPort().width >= resBreakpointMd) {

            menu.attr("data-height", _calculateFixedSidebarViewportHeight());

            App.initSlimScroll(menu);

            handleSidebarAndContentHeight();

        }

    };



    // Handles sidebar toggler to close/hide the sidebar.

    var handleFixedSidebarHoverEffect = function () {

        var body = $('body');

        if (body.hasClass('page-sidebar-fixed')) {

            $('.page-sidebar').on('mouseenter', function () {

                if (body.hasClass('page-sidebar-closed')) {

                    $(this).find('.page-sidebar-menu').removeClass('page-sidebar-menu-closed');

                }

            }).on('mouseleave', function () {

                if (body.hasClass('page-sidebar-closed')) {

                    $(this).find('.page-sidebar-menu').addClass('page-sidebar-menu-closed');

                }

            });

        }

    };



    // Hanles sidebar toggler

    var handleSidebarToggler = function () {

        var body = $('body');

        if ($.cookie && $.cookie('sidebar_closed') === '1' && App.getViewPort().width >= resBreakpointMd) {

            $('body').addClass('page-sidebar-closed');

            $('.page-sidebar-menu').addClass('page-sidebar-menu-closed');

        }



        // handle sidebar show/hide

        $('body').on('click', '.sidebar-toggler', function (e) {

            var sidebar = $('.page-sidebar');

            var sidebarMenu = $('.page-sidebar-menu');

            $(".sidebar-search", sidebar).removeClass("open");



            if (body.hasClass("page-sidebar-closed")) {

                body.removeClass("page-sidebar-closed");

                sidebarMenu.removeClass("page-sidebar-menu-closed");

                if ($.cookie) {

                    $.cookie('sidebar_closed', '0');

                }

            } else {

                body.addClass("page-sidebar-closed");

                sidebarMenu.addClass("page-sidebar-menu-closed");

                if (body.hasClass("page-sidebar-fixed")) {

                    sidebarMenu.trigger("mouseleave");

                }

                if ($.cookie) {

                    $.cookie('sidebar_closed', '1');

                }

            }



            $(window).trigger('resize');

        });

    };



    // Handles the horizontal menu

    var handleHorizontalMenu = function () {

        //handle tab click

        $('.page-header').on('click', '.hor-menu a[data-toggle="tab"]', function (e) {

            e.preventDefault();

            var nav = $(".hor-menu .nav");

            var active_link = nav.find('li.current');

            $('li.active', active_link).removeClass("active");

            $('.selected', active_link).remove();

            var new_link = $(this).parents('li').last();

            new_link.addClass("current");

            new_link.find("a:first").append('<span class="selected"></span>');

        });



        // handle search box expand/collapse        

        $('.page-header').on('click', '.search-form', function (e) {

            $(this).addClass("open");

            $(this).find('.form-control').focus();



            $('.page-header .search-form .form-control').on('blur', function (e) {

                $(this).closest('.search-form').removeClass("open");

                $(this).unbind("blur");

            });

        });



        // handle hor menu search form on enter press

        $('.page-header').on('keypress', '.hor-menu .search-form .form-control', function (e) {

            if (e.which == 13) {

                $(this).closest('.search-form').submit();

                return false;

            }

        });



        // handle header search button click

        $('.page-header').on('mousedown', '.search-form.open .submit', function (e) {

            e.preventDefault();

            e.stopPropagation();

            $(this).closest('.search-form').submit();

        });



        // handle hover dropdown menu for desktop devices only

        $('[data-hover="megamenu-dropdown"]').not('.hover-initialized').each(function() {   

            $(this).dropdownHover(); 

            $(this).addClass('hover-initialized'); 

        });

        

        $(document).on('click', '.mega-menu-dropdown .dropdown-menu', function (e) {

            e.stopPropagation();

        });

    };



    // Handles Bootstrap Tabs.

    var handleTabs = function () {

        // fix content height on tab click

        $('body').on('shown.bs.tab', 'a[data-toggle="tab"]', function () {

            handleSidebarAndContentHeight();

        });

    };



    // Handles the go to top button at the footer

    var handleGoTop = function () {

        var offset = 300;

        var duration = 500;



        if (navigator.userAgent.match(/iPhone|iPad|iPod/i)) {  // ios supported

            $(window).bind("touchend touchcancel touchleave", function(e){

               if ($(this).scrollTop() > offset) {

                    $('.scroll-to-top').fadeIn(duration);

                } else {

                    $('.scroll-to-top').fadeOut(duration);

                }

            });

        } else {  // general 

            $(window).scroll(function() {

                if ($(this).scrollTop() > offset) {

                    $('.scroll-to-top').fadeIn(duration);

                } else {

                    $('.scroll-to-top').fadeOut(duration);

                }

            });

        }

        

        $('.scroll-to-top').click(function(e) {

            e.preventDefault();

            $('html, body').animate({scrollTop: 0}, duration);

            return false;

        });

    };



    // Hanlde 100% height elements(block, portlet, etc)

    var handle100HeightContent = function () {



        $('.full-height-content').each(function(){

            var target = $(this);

            var height;



            height = App.getViewPort().height -

                $('.page-header').outerHeight(true) -

                $('.page-footer').outerHeight(true) -

                $('.page-title').outerHeight(true) -

                $('.page-bar').outerHeight(true);



            if (target.hasClass('portlet')) {

                var portletBody = target.find('.portlet-body');



                App.destroySlimScroll(portletBody.find('.full-height-content-body')); // destroy slimscroll 

                

                height = height -

                    target.find('.portlet-title').outerHeight(true) -

                    parseInt(target.find('.portlet-body').css('padding-top')) -

                    parseInt(target.find('.portlet-body').css('padding-bottom')) - 5;



                if (App.getViewPort().width >= resBreakpointMd && target.hasClass("full-height-content-scrollable")) {

                    height = height - 35;

                    portletBody.find('.full-height-content-body').css('height', height);

                    App.initSlimScroll(portletBody.find('.full-height-content-body'));

                } else {

                    portletBody.css('min-height', height);

                }

            } else {

               App.destroySlimScroll(target.find('.full-height-content-body')); // destroy slimscroll 



                if (App.getViewPort().width >= resBreakpointMd && target.hasClass("full-height-content-scrollable")) {

                    height = height - 35;

                    target.find('.full-height-content-body').css('height', height);

                    App.initSlimScroll(target.find('.full-height-content-body'));

                } else {

                    target.css('min-height', height);

                }

            }

        });        

    };

    //* END:CORE HANDLERS *//



    return {

        // Main init methods to initialize the layout

        //IMPORTANT!!!: Do not modify the core handlers call order.



        initHeader: function() {

            handleHorizontalMenu(); // handles horizontal menu    

        },



        setSidebarMenuActiveLink: function(mode, el) {

            handleSidebarMenuActiveLink(mode, el);

        },



        initSidebar: function() {

            //layout handlers

            handleFixedSidebar(); // handles fixed sidebar menu

            handleSidebarMenu(); // handles main menu

            handleSidebarToggler(); // handles sidebar hide/show



            if (App.isAngularJsApp()) {      

                handleSidebarMenuActiveLink('match'); // init sidebar active links 

            }



            App.addResizeHandler(handleFixedSidebar); // reinitialize fixed sidebar on window resize

        },



        initContent: function() {

            handle100HeightContent(); // handles 100% height elements(block, portlet, etc)

            handleTabs(); // handle bootstrah tabs



            App.addResizeHandler(handleSidebarAndContentHeight); // recalculate sidebar & content height on window resize

            App.addResizeHandler(handle100HeightContent); // reinitialize content height on window resize 

        },



        initFooter: function() {

            handleGoTop(); //handles scroll to top functionality in the footer

        },



        init: function () {            

            this.initHeader();

            this.initSidebar();

            this.initContent();

            this.initFooter();

        },



        //public function to fix the sidebar and content height accordingly

        fixContentHeight: function () {

            handleSidebarAndContentHeight();

        },



        initFixedSidebarHoverEffect: function() {

            handleFixedSidebarHoverEffect();

        },



        initFixedSidebar: function() {

            handleFixedSidebar();

        },



        getLayoutImgPath: function () {

            return App.getAssetsPath() + layoutImgPath;

        },



        getLayoutCssPath: function () {

            return App.getAssetsPath() + layoutCssPath;

        }

    };



}();



if (App.isAngularJsApp() === false) {

    jQuery(document).ready(function() {    

       Layout.init(); // init metronic core componets

    });

}