'use strict';


var WR = WR || {};


(function(win, $) {


	WR.scrollTo = function(target,container){
		var $target = $(target);
		var offset = 10;
		var $container, container;


		if($target.length > 0){
			if(container == undefined || $(container).length <= 0){
				$container = $("html");
			} else {
				$container = $(container);
			}


			$container.stop().animate({
				scrollTop: ($target.offset().top - $container.offset().top + $container.scrollTop()) - offset
			},function(){
				//console.log('complete');
			});


		}
	};


	WR.smoothscroll = {


		passive : function(){
			var supportsPassive = false;
			try {
			  document.addEventListener("test", null, { get passive() { supportsPassive = true }});
			} catch(e) {}


			return supportsPassive;
		},
		init : function(){


			if($('html').hasClass('mobile') || $('html').hasClass('mac')) return;


			var $window = $(window);
			var scrollTime = 1;
			var distance_offset = 2.5;
			var scrollDistance = $window.height() / distance_offset;


			if(this.passive()){
			    window.addEventListener("wheel",this.scrolling,{passive: false});
			}else{
                $window.on("mousewheel DOMMouseScroll", this.scrolling);
			}


		},
		destroy : function(){


			if(this.passive()){
			    window.removeEventListener("wheel",this.scrolling);
			}else{
               $(window).off("mousewheel DOMMouseScroll", this.scrolling);
			}
			gsap.killTweensOf($(window),{scrollTo:true});


		},
		scrolling : function(event){


			event.preventDefault();


			var $window = $(window);
			var scrollTime = 1;
			var distance_offset = 2.5;
			var scrollDistance = $window.height() / distance_offset;
			var delta = 0;


			if(WR.smoothscroll.passive()){
			    delta = event.wheelDelta/120 || -event.deltaY/3;
			}else{
				if(typeof event.originalEvent.deltaY != "undefined"){
					delta = -event.originalEvent.deltaY/120;
				}else{
				    delta = event.originalEvent.wheelDelta/120 || -event.originalEvent.detail/3;
				}
			}


			var scrollTop = $window.scrollTop();
			var finalScroll = scrollTop - parseInt(delta*scrollDistance);


			gsap.to($window, scrollTime, {
				scrollTo : { y: finalScroll, autoKill:true },
				ease: Power3.easeOut,
				overwrite: 5
			});




		}


	};


	WR.scroll = {
		// window scroll event on/off
		destroy : function(){
			WR.smoothscroll.destroy();


			if(this.support_passive()){
				window.addEventListener("wheel",this.prevent_default,{passive: false});
			}else{
				$(window).on("mousewheel DOMMouseScroll", this.prevent_default);
			}
		},


		restore : function(){
			WR.smoothscroll.init();


			if(this.support_passive()){
				window.removeEventListener("wheel", this.prevent_default);
			}else{
				$(window).off("mousewheel DOMMouseScroll", this.prevent_default);
			}
		},


		// scroll passive mode check
		support_passive : function(){
			var supportsPassive = false;
			try {
				document.addEventListener("test", null, { get passive() { supportsPassive = true }});
			} catch(e) {}


			return supportsPassive;
		},




		// disabled scroll
		 prevent_default : function(event){
			event.preventDefault();
		}
	};


	WR.is_screen = function(max_width){
		if(win.matchMedia){
			return win.matchMedia('(max-width:'+ max_width +'px)').matches;
		}else{
			return win.innerWidth <= max_width;
		}
	};


	WR.win_height = function(){
		
		var win_height = 0;
		
		if(window.screen.height === window.innerHeight){ 
			// WITHOUT Address bar (fullscreen)
			win_height = window.screen.height;
		}else{
			win_height = window.innerHeight;
		}


		return win_height;
	};


   
    WR.ui = {


        list: {},


		init: function () {


            try {


                for ( var func_name in this.list ) {


                    if ( typeof this.list[ func_name ] === 'function' ) {


                        this.list[ func_name ].call();


                    }


                }


            } catch ( e ) {


                console.log( e );


            }


        },


		add: function ( func, exec_flag ) {


            try {


                if ( typeof func === 'function' ) {


                    var func_name = ( ! func.name ? 'func_' + ( new Date() ).getTime() : func.name );


                    this.list[ func_name ] = func;


                    if ( typeof exec_flag !== 'undefined' && exec_flag === true ) {


                        func.call();


                    }


                }


            } catch ( e ) {


                console.log( e );


            }


        },


		del: function ( func_name ) {


            try {


                delete this.list[ func_name ];


            } catch ( e ) {


                console.log( e );


            }


        },


		replace: function ( func_name, func ) {


            try {


                if ( typeof func === 'function' ) {


                    this.list[ func_name ] = func;


                }


            } catch ( e ) {


                console.log( e );


            }


        },


		get: function ( func_name ) {


            try {


                return this.list[ func_name ];


            } catch ( e ) {


                console.log( e );
                return null;


            }


        },


		call: function ( func_name ) {


            try {


                this.list[ func_name ].call();


            } catch ( e ) {


                console.log( e );


            }


        }


    };




    


})(window, jQuery);