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(event) {
  var cookieName = 'fic_persistent_id';
  var ficConfig = JSON.parse(localStorage.getItem("ficConfig")) ?? {};
  var optanonConsentValue = getCookieValue("OptanonConsent");
  var cookiePersistent = getCookieValue(cookieName);
  if(cookiePersistent && (optanonConsentValue === undefined || !optanonConsentValue.includes("groups=C0001%3A1%2CC0004%3A1")))
  {
    clearPersistentIdCookie(cookieName, ficConfig.accessToken);
  }
});

function getCookieValue(name)
{
  var regex = new RegExp(`(^| )${name}=([^;]+)`)
  var match = document.cookie.match(regex)
  if (match) {
    return match[2];
  }
}

function setPersistentIdCookie(persistentId, cookieName, isDevelop) {
  var cookieString = `${cookieName}=${persistentId}; 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 clearPersistentIdCookie(cookieName, token) {
  document.cookie = `${cookieName}=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/; domain=.fattureincloud.it;`;
}

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

function generatePersistentId() {
  var chars = "abcdefghijklmnopqrstuvwxyz0123456789";
  var result = "";
  for (var i = 40; i > 0; --i) {
    result += chars.charAt(Math.floor(Math.random() * chars.length));
  }
  return result;
}


// Listener for custom cookie event triggered by GTM
window.addEventListener("fic_profiling_cookies", function (event) {
  var ficConfig = JSON.parse(localStorage.getItem("ficConfig")) ?? {};
  var isSupport = !!localStorage.getItem("support");
  if (isSupport) {
    return;
  }

  var isDevelop = 0;
  var cookieName = 'fic_persistent_id';

  if (event.detail.accepted) {
    var persistentIdFromURL = "";

    if (!!ficConfig.accessToken) {
      // User logged
      $.ajax({
        url: "https://secure.fattureincloud.it/backend_apiV2/persistent_id",
        method: "GET",
        headers: {
          "Accept-Language": "it",
          "Content-Type": "application/json; charset=utf-8",
          "X-Device-Id": "",
        },
        beforeSend: function (xhr) {
          xhr.setRequestHeader("Authorization", ficConfig.accessToken);
        },
        success: function (response) {
          if (response.data.persistent_id) {
            setPersistentIdCookie(response.data.persistent_id, cookieName, isDevelop);
          } else if (persistentIdFromURL) {
            setPersistentIdCookie(persistentIdFromURL, cookieName, isDevelop);
            savePersistentId(persistentIdFromURL, ficConfig.accessToken);
          } else if (document.cookie.includes(cookieName)) {
            var cookie = document.cookie.split(";").find(cookie => cookie.trim().startsWith(cookieName + "="));
            var cookieValue = cookie.split("=")[1];
            savePersistentId(cookieValue, ficConfig.accessToken);
          } else {
            var persistentId = generatePersistentId();
            setPersistentIdCookie(persistentId, cookieName, isDevelop);
            savePersistentId(persistentId, ficConfig.accessToken);
          }
        },
      });
    } else {
      // Not Logged
      if (persistentIdFromURL) {
        setPersistentIdCookie(persistentIdFromURL, cookieName, isDevelop);
      } else if (!document.cookie.includes(cookieName)) {
        var persistentId = generatePersistentId();
        setPersistentIdCookie(persistentId, cookieName, isDevelop);
      }
    }
  } else {
    clearPersistentIdCookie(cookieName, ficConfig.accessToken);
  }
});