function isSet(val) {
    switch (typeof val) {
        case "string":
            return val !== undefined && val !== "" && val !== null;
        case "object":
            return val !== null;
        case "number":
        case "boolean":
            return true;
        default:
            return false;
    }
}

function isJSONSupported() {
    return !!(window.JSON &&
    (window.JSON.parse && typeof JSON.parse === "function") &&
    (window.JSON.stringify && typeof JSON.stringify === "function"));
}

//------------------------------------------CODE------------------------------------------
function isForceSafeFrameEnabled() {
    return testData["fs"] === "1"
}

function decodeFSC(input) {
    // Replace non-url compatible chars with base64 standard chars
    input = input
        .replace(/-/g, '+')
        .replace(/_/g, '/');
    return input;
}

let timesData = {uCreativeLoadStart: Date.now()};
let isDebuggingLogFired = false;

function onLoadHandler() {
    timesData["dfpIframeLoadTime"] = Date.now();
    fireDebuggingLog();
}

if (window.addEventListener) {
    window.addEventListener("load", onLoadHandler);
} else if (window.attachEvent) {
    window.attachEvent("onload", onLoadHandler);
}

const DEBUG_LOG_TIMEOUT = 10000;

setTimeout(fireDebuggingLog, DEBUG_LOG_TIMEOUT);

try {
    var testData = parseTestData();
    timesData["bidId"] = getBidId();
    if (hbTargetingParams.ct === "2") {
        var rtcHost = "amprtc.media.net";
        if (isJSONSupported() && typeof atob === "function" && isSet(hbTargetingParams.mnetfsc)) {
            try {
                var decodedMnetFSC = decodeFSC(hbTargetingParams.mnetfsc);
                var dS = JSON.parse(atob(decodedMnetFSC)).admHost;
                if (isSet(dS)) {
                    rtcHost = dS;
                }
            } catch (e) {
                (new Image()).src = "https://lg1.hb.yahoo.net/log?logid=kfk&evtid=projectevents&project=amprtc_error&event=AMPRTC_UCREATIVE_ERROR&rd=" + document.referrer + "|" + e.message;
            }
        }
        var rtcAdUrl = "https://" + rtcHost + "/rtb/getadm?as=1&aid=" + hbTargetingParams.auctionId + "&bid=" + hbTargetingParams.bidder + "&cid=" + hbTargetingParams.cid + "&slot=" + hbTargetingParams.crid + "&act=" + hbTargetingParams.auctionType + "&scpvid=" + hbTargetingParams.secondProviderId + "&mnetfsc=" + hbTargetingParams.mnetfsc;//jscs:ignore
        var ifr = document.createElement("iframe");
        var size = hbTargetingParams.size.split('x');
        ifr.setAttribute("width", size[0]);
        ifr.setAttribute("height", size[1]);
        ifr.setAttribute("frameBorder", "0");
        ifr.setAttribute("marginWidth", "0");
        ifr.setAttribute("marginHeight", "0");
        ifr.setAttribute("scrolling", "no");
        ifr.setAttribute("allowtransparency", "true");
        ifr.src = rtcAdUrl;
        document.body.appendChild(ifr);
    } else if (hbTargetingParams.auctionId && window.parent.advBidxc) {
        var shouldForceSafeFrame = isForceSafeFrameEnabled();
        if (shouldForceSafeFrame) {
            throw new Error("Forcing Safe Frame");
        }
        window.parent.advBidxc.deliverImpression({
            frameWindow: window,
            crid: hbTargetingParams.crid,
            auctionId: hbTargetingParams.auctionId,
            bidder: hbTargetingParams.bidder,
            isExternal: hbTargetingParams.isExternal,
            isPmp: hbTargetingParams.isPmp,
            customObj: hbCustomParams
        });
    } else {
        throw new Error();
    }
} catch (e) {
    function handleSafeFrame(event) {
        timesData["bidexToUCreativeMsgRcvd"] = Date.now();

        try {
            if (!(isSet(event) && isSet(event.data) && isSet(event.data.isMnetHB))) {
                return;
            }
            timesData["bidexToUCreativeMsgSent"] = event.data.bxToUCrtMsgSnt || -1;
            timesData["uCreativeToBidexMsgRcvd"] = event.data.uCrtToBxMsgRcvd || -1;
            if (!(isSet(event.data.adCode) && isSet(event.data.width) && isSet(event.data.height))) {
                throw new Error("improper response from advBidxc");
            }
            var ifr = document.createElement("iframe");
            ifr.setAttribute("width", event.data.width);
            ifr.setAttribute("height", event.data.height);
            ifr.setAttribute("frameBorder", "0");
            ifr.setAttribute("marginWidth", "0");
            ifr.setAttribute("marginHeight", "0");
            ifr.setAttribute("scrolling", "no");
            ifr.setAttribute("allowtransparency", "true");
            if (event.data.isMultiBid) {
                // To restrict the adcode to resize the iframe size
                const style = document.createElement("style");
                style.innerHTML = ".do-not-modify-ads {height:" + event.data.height + "px !important; }";
                document.head.appendChild(style);
                ifr.setAttribute("class", "do-not-modify-ads");
            }
            document.body.appendChild(ifr);
            ifr.contentWindow.document.open();
            ifr.contentWindow.document.write(event.data.adCode);
            ifr.contentWindow.document.close();
            timesData["adCodeRenderingEnded"] = Date.now();
            window.parent.postMessage({
                isMnetHB: 1,
                safeframeRenderSuccess: 1,
                isExt: hbTargetingParams.isExternal,
                bidder: hbTargetingParams.bidder,
                auctionId: hbTargetingParams.auctionId
            }, '*');
        } catch (e) {
            (new Image()).src = protocol + domain + "/log?logid=kfk&evtid=belog&lvl=3&name=SAFEFRAME_RENDER_ERROR&cid=" + hbTargetingParams.cid + "&crid=" + hbTargetingParams.crid + "&pvid=" + hbTargetingParams.bidder + "&cc=" + hbTargetingParams.cc + "&ugd=" + hbTargetingParams.ugd + "&stack=" + encodeURIComponent((e.name || "") + "|" + (e.message || ""));//jscs:ignore
        }
    }

    if (window.addEventListener) {
        window.addEventListener("message", handleSafeFrame, false);
    } else if (window.attachEvent) {
        window.attachEvent("onmessage", handleSafeFrame);
    }
    timesData["uCreativeToBidexMsgSent"] = Date.now();
    window.parent.postMessage({
        isExt: hbTargetingParams.isExternal,
        isPmp: hbTargetingParams.isPmp,
        placement: hbTargetingParams.crid,
        bidder: hbTargetingParams.bidder,
        customParam: hbCustomParams,
        pageID: hbTargetingParams.auctionId,
        isMnetHB: 1
    }, '*');
}

function getBidId() {
    return testData["bidId"] || -1;
}

function isCreativeTimesLoggingEnabled() {
    return testData["crtTmsLgng"]
}

function parseTestData() {
    const testData = hbTargetingParams.testData;
    if (!isSet(testData)) {
        return {};
    }
    const testDataObj = {};
    testData.split("|").forEach((entry) => {
        const [key, value] = entry.split(":");
        if (isSet(key) && isSet(value)) {
            testDataObj[key] = value;
        }
    })
    return testDataObj;
}

function fireDebuggingLog() {
    if (!isDebuggingLogFired && isCreativeTimesLoggingEnabled()) {
        isDebuggingLogFired = true;
        (new Image()).src = protocol + domain + "/log?logid=kfk&evtid=belog&lvl=3"
            + "&name=" + "creative_times"
            + "&cid=" + hbTargetingParams.cid
            + "&crid=" + hbTargetingParams.crid
            + "&pvid=" + hbTargetingParams.bidder
            + "&cc=" + hbTargetingParams.cc
            + "&ugd=" + hbTargetingParams.ugd
            + "&bidId=" + getBidId()
            + "&stack=" + encodeURIComponent(JSON.stringify(timesData));
    }
}