function setCookie(cookieName, cookieValue, expirationTime) {
    expirationTime = expirationTime * 1000;
    var date = new Date();
    var dateTimeNow = date.getTime();

    date.setTime(dateTimeNow + expirationTime);
    var date = date.toUTCString();
    document.cookie =
      cookieName +
      "=" +
      cookieValue +
      "; expires=" +
      date +
      "; path=/; domain=." +
      domain;
}

function getCookie(name) {
    var value = "; " + document.cookie;
    var parts = value.split("; " + name + "=");
    if (parts.length == 2)
      return parts
        .pop()
        .split(";")
        .shift();
    return null;
}

function getParameterByName(name) {
  var url = window.location.href;
  name = name.replace(/[\[\]]/g, "\\$&");
  var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
      results = regex.exec(url);
  if (!results) return null;
  if (!results[2]) return "";
  return decodeURIComponent(results[2].replace(/\+/g, " ")) || null;
}

var httpReferrer = document.referrer || null;

var finalSource;
var utm_source = getParameterByName("utm_source");
var utm_medium = getParameterByName("utm_medium");
var gclid = getParameterByName("gclid");
var domain = "bird-office.com";
var EXPIRATE_DATE_COOKIE = 5184000;

function getEmailSource(utm_medium, utm_source) {
  if (
    utm_medium === "email" ||
    utm_source === "email" ||
    utm_source === "hs_email"
  ) {
    return "Email marketing";
  }
}

function getReferrerSource(referrer) {
  var source = null;
  if (referrer) {
    if (referrer.indexOf("google") !== -1) {
      source = "Google Organic search";
    } else if (referrer.indexOf("bing") !== -1) {
      source = "Microsoft Organic Search";
    } else if (referrer.indexOf("twitter") !== -1) {
      source = "Twitter Organic";
    } else if (referrer.indexOf("facebook") !== -1) {
      source = "Facebook Organic";
    } else if (referrer.indexOf("linkedin") !== -1) {
      source = "Linkedin Organic";
    } else if (referrer.indexOf("blog.bird-office.com") !== -1) {
      source = "Blog";
      var regexBlogArticle = /https:\/\/blog\.bird-office\.com\/blog\/([0-9]{4})\/([0-9]{2})\/([0-9]{2})\/([a-z\-]*)\/?/gm;
      if (regexBlogArticle.test(referrer)) {
        var blogToken = referrer.split("/");
        setCookie(
          "leadBlogArticle",
          blogToken[blogToken.length - 2],
          EXPIRATE_DATE_COOKIE
        );
      }
    } else {
      source = "Referrals";
      setCookie("leadReferrer", httpReferrer, EXPIRATE_DATE_COOKIE);
    }
  }
  return source;
}

function getEventSource(utm_medium) {
  var source = null;
  if (utm_medium === "event") {
    source = "Event";
  }
  return source;
}

function getPaidSource(utm_medium, utm_source, gclid) {
  var source;
  if (utm_medium === "display") {
    return "Google Display";
  }
  if (gclid) {
    return "Google Paid search";
  }
  if (
    utm_medium === "ppc" ||
    utm_medium === "ad" ||
    utm_medium === "cpc" ||
    utm_medium === "paid"
  ) {
    switch (utm_source) {
      case "adwords":
      case "google":
        source = "Google Paid search";
        break;
      case "microsoft":
      case "bing":
        source = "Microsoft Paid search";
        break;
      case "facebook":
        source = "Facebook Ad";
        break;
      case "linkedin":
        source = "Linkedin Ad";
        break;
      case "twitter":
        source = "Twitter Ad";
        break;
    }
    return source;
  }
  return null;
}
var paidSource = getPaidSource(utm_medium, utm_source, gclid);
var referrerSource = getReferrerSource(httpReferrer);
var emailSource = getEmailSource(utm_medium, utm_source);
var eventSource = getEventSource(utm_medium);

finalSource =
  paidSource ||
  emailSource ||
  eventSource ||
  referrerSource ||
  "Direct traffic";


setCookie("leadLastSourceAttribution", finalSource, EXPIRATE_DATE_COOKIE);

var firstSourceAttribution = getCookie("leadFirstSourceAttribution");
if (!firstSourceAttribution) {
  setCookie("leadFirstSourceAttribution", finalSource, EXPIRATE_DATE_COOKIE);
}
var getMultiSourceLastUpdate = getCookie("leadMultiSourceLastUpdate");
var multiSourceAttribution = getCookie("leadMultiSourceAttribution");

if (finalSource !== "Direct traffic") {
  //No Cookie Multi Touch
  if (!multiSourceAttribution) {
    setCookie("leadMultiSourceLastUpdate", Date.now());
    setCookie("leadMultiSourceAttribution", finalSource, EXPIRATE_DATE_COOKIE);
    //Cookie Multi Touch And Multi Touch Timer is past
  } else if (
    multiSourceAttribution &&
    Date.now() >= Number(getMultiSourceLastUpdate) + 60 * 30 * 1000
  ) {
    var splitMultiSource = multiSourceAttribution.split("|");
    if (splitMultiSource.length < 10) {
      setCookie(
        "leadMultiSourceAttribution",
        multiSourceAttribution + " | " + finalSource,
        EXPIRATE_DATE_COOKIE
      );
      setCookie("leadMultiSourceLastUpdate", Date.now());
    }
  }
}

if (getParameterByName("utm_term")) {
  setCookie(
    "leadUtmTerm",
    getParameterByName("utm_term"),
    EXPIRATE_DATE_COOKIE
  );
}

if (getParameterByName("utm_campaign")) {
  setCookie(
    "leadUtmCampaign",
    getParameterByName("utm_campaign"),
    EXPIRATE_DATE_COOKIE
  );
}

if (getParameterByName("utm_content")) {
  setCookie(
    "leadUtmContent",
    getParameterByName("utm_content"),
    EXPIRATE_DATE_COOKIE
  );
}

/* Inject variables */
window.addEventListener('message', function(event) {
  if(event.data.type === 'hsFormCallback' && event.data.eventName === 'onFormReady') {

    console.log("ready");
    var event = new Event('change');
    if(getCookie("leadUtmTerm")){
      var utmTerm = document.getElementsByName("utm_term");
      if(utmTerm && utmTerm.length > 0){
        utmTerm[0].value = getCookie("leadUtmTerm");
        utmTerm[0].dispatchEvent(event);
      }
    }

    if(getCookie("leadUtmContent")){
      var utmContent = document.getElementsByName("utm_content");
      if(utmContent && utmContent.length > 0){
        utmContent[0].value = getCookie("leadUtmContent");
        utmContent[0].dispatchEvent(event);
      }
    }

    if(getCookie("leadUtmCampaign")){
      var utmCampaign = document.getElementsByName("utm_campaign");
      if(utmCampaign && utmCampaign.length > 0){
        utmCampaign[0].value = getCookie("leadUtmCampaign");
        utmCampaign[0].dispatchEvent(event);
      }
    }

    if(getCookie("leadBlogArticle")){
      var blogArticle = document.getElementsByName("lead_blog_article");
      if(blogArticle && blogArticle.length > 0){
        blogArticle[0].value = getCookie("leadBlogArticle");
        blogArticle[0].dispatchEvent(event);
      }
    }

    if(getCookie("leadReferrer")){
      var lastReferrer = document.getElementsByName("lead_source_referrer");
      if(lastReferrer && lastReferrer.length > 0){
        lastReferrer[0].value = getCookie("leadReferrer");
        lastReferrer[0].dispatchEvent(event);
      }
    }

    if(getCookie("leadLastSourceAttribution")){
      var leadLastSourceAttribution = document.getElementsByName("marketing_lead_source");
      if(leadLastSourceAttribution && leadLastSourceAttribution.length > 0){
        leadLastSourceAttribution[0].value = getCookie("leadLastSourceAttribution");
        leadLastSourceAttribution[0].dispatchEvent(event);
      }
    }


    if(getCookie("leadFirstSourceAttribution")){
      var leadLastSourceAttributionFirst = document.getElementsByName("marketing_lead_source_first");
      if(leadLastSourceAttributionFirst && leadLastSourceAttributionFirst.length > 0){
        leadLastSourceAttributionFirst[0].value = getCookie("leadLastSourceAttribution");
        leadLastSourceAttributionFirst[0].dispatchEvent(event);
      }
    }

    if(getCookie("leadMultiSourceAttribution")){
      var leadLastSourceAttributionMulti = document.getElementsByName("marketing_lead_source_multi");
      if(leadLastSourceAttributionMulti && leadLastSourceAttributionMulti.length > 0){
        leadLastSourceAttributionMulti[0].value = getCookie("leadLastSourceAttribution");
        leadLastSourceAttributionMulti[0].dispatchEvent(event);
      }
    }
  }
});