var mobileAds = [];
var desktopAds = [];

var slots_default = {};
var googletag = googletag || {};
googletag.cmd = googletag.cmd || [];

var isSmallScreen = null;

function hideAdSlot(slotId) {
    var slot = document.getElementById(slotId);
    if(slot === null){
        return;
    }
    slot.style.display = 'none';
}

function showAdSlot(slotId) {
    var slot = document.getElementById(slotId);
    if(slot === null){
        return;
    }
    slot.removeAttribute('style');
}

var switchAdsTo = function(){
var width = top.innerWidth || document.documentElement.clientWidth;
    if(isSmallScreen === null){isSmallScreen=(width >= 768);return '';}
    if (width >= 768 && isSmallScreen) {
        isSmallScreen = false;
        return 'desktop';
    }
    if (width < 768 && !isSmallScreen) {
        isSmallScreen = true;
        return 'mobile';
    }
    return '';
};

function onResize(){
var switchTo = switchAdsTo();

    if(switchTo === ''){
        return;
    }
    var showAds, hideAds = [];
    if(switchTo === 'mobile'){
        showAds = mobileAds;
        hideAds = desktopAds;
    }

    if(switchTo === 'desktop'){
        showAds = desktopAds;
        hideAds = mobileAds;
    }

    if(showAds.length > 0){
        for (var i = 0; i < showAds.length; i++) {
            showAdSlot(showAds[i]);
        }
        for (var i = 0; i < hideAds.length; i++) {
            hideAdSlot(hideAds[i]);
        }
        adsLoadFunction();
    }
}


function checkGoogleTagApi(){
    if (window.googletag && googletag.apiReady) {
        adsLoadFunction();

        setTimeout(function () {
            if (typeof lazyLoadFunc === "function") {
                lazyLoadFunc();
            }
		}, 100);

        return;
    }
    setTimeout(function () {
        checkGoogleTagApi();
    }, 100);
}


var SECONDS_TO_WAIT_AFTER_VIEWABILITY = 60;
var SECONDS_TO_WAIT_AFTER_VIEWABILITY_ADHENCE = 30;
googletag.cmd.push(function () {

var stickySlotElementId = 'div-gpt-ad-1555778185332-0'; // Place Bottom Rail sticky element id here // Place Bottom Rail sticky element id here
var targetSlot = '/1003244/GPT-Billboard';
var bottomAds = ['/1003244/desktop_leaderboard_adhesion', '/1003244/mobile_leaderboard_adhesion'];



    googletag.pubads().addEventListener('impressionViewable', function(event) {
        var slot = event.slot;
        if (bottomAds.includes(slot.getAdUnitPath())) {
            setTimeout(function() {
                googletag.pubads().refresh([slot]);
            }, SECONDS_TO_WAIT_AFTER_VIEWABILITY_ADHENCE * 1000);
        }
        if (slot.getSlotElementId() !== stickySlotElementId) {
            setTimeout(function() {
                googletag.pubads().refresh([slot]);
            }, SECONDS_TO_WAIT_AFTER_VIEWABILITY * 1000);
        }

        if(event.slot.getAdUnitPath() === targetSlot) {
            setTimeout(function() {
                var slotWrapper = document.getElementById(event.slot.getSlotElementId()).parentNode;
                slotWrapper.removeEventListener('scroll', scrollBillboard, false);
                slotWrapper.classList.add('ad-top-billboard-rendered');
                slotWrapper.classList.remove('ad-top-billboard-init');
                slotWrapper.removeAttribute('style');
            }, 100);
        }
    });

    googletag.pubads().addEventListener('slotRenderEnded', function(event) {
        if(event.slot.getAdUnitPath() === targetSlot) {
            setTimeout(function() {
                var slotWrapper = document.getElementById(event.slot.getSlotElementId()).parentNode;
                slotWrapper.classList.add('ad-top-billboard-loaded');
                slotWrapper.removeEventListener('scroll', scrollBillboard, false);
                slotWrapper.classList.remove('ad-top-billboard-init');
                slotWrapper.removeAttribute('style');
            }, 100);
        }
    });

    // Bottom Rail resfresh function
	var refreshTimeoutId;
	var refreshTimeout = 30; // Specify refresh interval in sec
	var visibilityPercent = 50; // Specify slot visibility percentage when refresh should occur. If current visibility is less no refresh happens.

	googletag.pubads().addEventListener('slotVisibilityChanged', function(event) {
			var slot = event.slot;
			if (slot.getSlotElementId() === stickySlotElementId) {
				if (event.inViewPercentage >= visibilityPercent) {
					if (refreshTimeoutId === undefined) {
					refreshTimeoutId = setTimeout(function() {
						googletag.pubads().refresh([slot]);
						refreshTimeoutId = undefined;
					}, refreshTimeout * 1000);
					}
				} else {
					clearTimeout(refreshTimeoutId);
					refreshTimeoutId = undefined;
				}
			}
	});
	// Bottom Rail resfresh function ends

    googletag.pubads().disableInitialLoad();
    googletag.pubads().collapseEmptyDivs();

    googletag.enableServices();
});

function adsLoadFunction() {
    var adUnits = document.querySelectorAll("div.adSpace:not(.lazyLoadAd)");
    var adUnitsLength = adUnits.length;

    var gptSlots;
    if (window.googletag && googletag.apiReady) {
        gptSlots = googletag.pubads().getSlots();
    }

    for (var i = 0; i < adUnitsLength; i++) {
        var block = adUnits[i];
        if(block.style.display === 'none'){
            continue;
        }
        var slot = gptSlots.find(
            item => item.getSlotElementId() === block.id
        );

        if (slot !== null && slot !== undefined) {
            googletag.cmd.push(function () {
                googletag.pubads().refresh([slot]);
            });
        }
    }

	if (typeof lazyLoadFunc === "function") {
		window.onscroll = lazyLoadFunc;
	}
}

    
        function scrollBillboard() {
        window.addEventListener('scroll', function(){
        var billboardWrapper = document.getElementsByClassName('ad-top-billboard')[0];
        if(!billboardWrapper || billboardWrapper.classList.contains('ad-top-billboard-rendered')){
        return;
        }
        billboardWrapper.classList.add('ad-top-billboard-init');
        });
        }
    
window.onload = function() {
    scrollBillboard();
    var width = top.innerWidth || document.documentElement.clientWidth;
    if (width >= 768){
    } else {
    }
    isSmallScreen = (width < 768);


window.addEventListener("resize", onResize);
 checkGoogleTagApi();
//    trackGoogleTagApiAndFetchUAM();

};


function trackGoogleTagApiAndFetchUAM(){
    if (window.googletag && googletag.apiReady && window.googletag.pubadsReady) {
        fetchUam();
        return;
    }
    setTimeout(function () {
        trackGoogleTagApiAndFetchUAM();
    }, 100);
}

function fetchUam(){
var slots = googletag.pubads().getSlots();
if(slots.Length < 1){
    return;
}
// var apstagSlots = [];
for(var i in slots) {

    var slot = {
         slotID: slots[i].getSlotElementId(),
         slotName: slots[i].getAdUnitPath(),
         sizes: []
     };
    slots[i].getSizes().forEach(function(size) {
	if(typeof size != 'object'){
		slot.sizes.push(size);
		return;
	}
	var currentSize = [];
	currentSize.push(size.getWidth());
	currentSize.push(size.getHeight());
        slot.sizes.push(currentSize);
    });
    // apstagSlots.push(slot);
}


}