function getCookie(cname) {
      var name = cname + "=";
      if (document.cookie === undefined || document.cookie === "") {
        return "";
       }
      var ca = document.cookie.split("; ");
      for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == "") {
          c = c.substring(1);
        }
        if (c.indexOf(name) == 0) {
          return c.substring(name.length, c.length);
        }
      }
      return "";
    }
    function pushFicPersistentIdToDataLayer() {
      var ficPersistentId = getCookie("fic_persistent_id");
      if (ficPersistentId !== "") {
        dataLayer.push({ ficPersistentId, event: "setFicPersistentIdLanding" });
      }
    }
    pushFicPersistentIdToDataLayer();
    document.addEventListener("DOMContentLoaded", function () {
  var ficConfig = JSON.parse(localStorage.getItem("ficConfig")) ?? {};
  var optanonConsentValue = getCookieValue("OptanonConsent");

  handleCookieCleanup("persistent_id", ficConfig, optanonConsentValue);
  handleCookieCleanup("tncid", ficConfig, optanonConsentValue);
});

function getCookieValue(name) {
  var regex = new RegExp(`(^| )${name}=([^;]+)`);
  var match = document.cookie.match(regex);

  if (match) {
    return match[2];
  }
}

function setCookie(value, cookieName, isDevelop) {
  var cookieString = `${cookieName}=${value}; path=/; domain=.fattureincloud.it; samesite=strict;`;

  var expire = new Date();
  expire.setFullYear(expire.getFullYear() + 10);

  cookieString += ` expires=${expire.toUTCString()};`;

  if (!isDevelop) {
    cookieString += " secure;";
  }

  document.cookie = cookieString;
}

function clearCookie(cookieName) {
  document.cookie = `${cookieName}=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/; domain=.fattureincloud.it;`;
}

function generateId() {
  var chars = "abcdefghijklmnopqrstuvwxyz0123456789";
  var result = "";

  for (var i = 40; i > 0; --i) {
    result += chars.charAt(Math.floor(Math.random() * chars.length));
  }

  return result;
}

function saveId(endpoint, payload, token) {
  $.ajax({
    url: `https://secure.fattureincloud.it/backend_apiV2/${endpoint}`,
    method: "POST",
    data: JSON.stringify(payload),
    headers: {
      "Accept-Language": "it",
      "Content-Type": "application/json; charset=utf-8",
      "X-Device-Id": "",
    },
    beforeSend: function (xhr) {
      xhr.setRequestHeader("Authorization", token);
    },
  });
}


function handleCookieCleanup(cookieName, ficConfig, optanonConsentValue) {
  var cookiePersistent = getCookieValue(cookieName);

  if (
      cookiePersistent &&
      (optanonConsentValue === undefined ||
          !optanonConsentValue.includes("groups=C0001%3A1%2CC0004%3A1"))
  ) {
    clearCookie(cookieName);
  }
}

function handleTrackingId(config) {
  var ficConfig = JSON.parse(localStorage.getItem("ficConfig")) ?? {};
  var isSupport = !!localStorage.getItem("support");

  if (isSupport) {
    return;
  }

  var isDevelop = config.isDevelop;
  var cookieName = config.cookieName;
  var endpoint = config.endpoint;
  var includeTimestamp = config.includeTimestamp;

  var cookieValue = getCookieValue(cookieName);

  if (!cookieValue) {
    cookieValue = generateId();
    setCookie(cookieValue, cookieName, isDevelop);

    if (ficConfig.accessToken) {
      var payload = { [cookieName]: cookieValue };

      if (includeTimestamp) {
        payload.attributed_at = new Date().toISOString();
      }

      saveId(endpoint, payload, ficConfig.accessToken);
    }
  }
}

window.addEventListener("fic_profiling_cookies", function (event) {

  if (!event.detail.accepted) {
    clearCookie("persistent_id");
    clearCookie("tncid");
    return;
  }

  var isDevelop = 0;

  handleTrackingId({
    cookieName: "persistent_id",
    endpoint: "persistent_id",
    isDevelop: isDevelop,
    includeTimestamp: true
  });

  handleTrackingId({
    cookieName: "tncid",
    endpoint: "tncid",
    isDevelop: isDevelop,
    includeTimestamp: true
  });

});