if (!window.oswaldLoaded) {
  window.oswaldLoaded = true;
  var oswaldBackendSession = "153584e0-4808-4d8f-82e0-9d248b243520";
  var apiUrl = "https://api.oswald.ai";
  var time = new Date().getTime();
  var matchWindowWidth = window.matchMedia("(max-width: 471px)");
  var matchWindowHeight = window.matchMedia("(max-height: 800px)");
  var SSOCookie = "SSOOswaldAccessToken";
  var UserReferenceCookie = "oswaldAcertaReferenceCookie";
  var oswaldIframe = document.createElement("iframe");
  oswaldIframe.src = "https://widget.oswald.ai/widget?time=" + time;
  if ("" === "true") {
    oswaldIframe.src = oswaldIframe.src + "&noClose=true";
  }

  var oswaldSession = "";
  var oswaldBubbleIframe = document.createElement("iframe");
  var oswaldCookieTtl = "-1";
  var oswaldCookieTtlInt = parseInt(oswaldCookieTtl);
  var token = "dca75e30-72ea-11e8-b5b6-05bac23ea46b";

  if (
    token &&
    ((token !== "ac213f95-729d-4efb-84a9-2ec246e9bb1f" &&
      token !== "cbf5c5e1-7fa9-4c1f-8f8a-cab32c231861") ||
      token !== "e19d47a6-6e83-43c2-a177-50b332d5411a" ||
      token !== "23ffb67c-8fdd-49ac-aa7f-7afedda1305f")
  ) {
    if (oswaldSession.length === 0 && oswaldCookieTtlInt > 0) {
      if (token === "49e087ef-749f-4a13-9680-ea3613d2c33d") {
        var d = new Date();
        var h = d.getHours();
        var m = d.getMinutes();
        var s = d.getSeconds();
        var secondsUntilEndOfDate =
          24 * 60 * 60 - h * 60 * 60 - (m + d.getTimezoneOffset()) * 60 - s;
        oswaldCookieTtl = secondsUntilEndOfDate.toString();
      }

      var oswaldCookieValue = (
        document.cookie.split("; ").find(function (row) {
          return row.indexOf("oswaldSession=") === 0;
        }) || ""
      ).split("=")[1];
      oswaldSession = oswaldBackendSession;
      if (oswaldCookieValue) {
        oswaldSession = oswaldCookieValue;
      } else {
        document.cookie =
          "oswaldSession=" +
          oswaldSession +
          ";max-age=" +
          oswaldCookieTtl +
          ";secure;samesite=strict";
      }
    } else if (oswaldSession.length === 0 && oswaldCookieTtlInt === 0) {
      var oswaldCookieValue = (
        document.cookie.split("; ").find(function (row) {
          return row.indexOf("oswaldSession=") === 0;
        }) || ""
      ).split("=")[1];
      oswaldSession = oswaldBackendSession;
      if (oswaldCookieValue) {
        oswaldSession = oswaldCookieValue;
      } else {
        document.cookie =
          "oswaldSession=" + oswaldSession + ";secure;samesite=strict";
      }
    } else if (oswaldCookieTtlInt < 0) {
      document.cookie =
        "oswaldSession=" +
        oswaldBackendSession +
        ";max-age=0;secure;samesite=strict";
    }
  }

  oswaldIframe.frameBorder = "0";
  // Working in IE
  oswaldIframe.style.position = "fixed";
  oswaldIframe.style.display = "none";
  oswaldIframe.style.zIndex = "2147483646";
  // Not working in IE
  oswaldIframe.style = "position: fixed; z-index: 2147483646; display: none;";
  oswaldIframe.setAttribute("id", "oswald-widget");
  var widgetComponentToAppend = oswaldIframe;
  if (false) {
    widgetComponentToAppend = document.createElement("div");
    widgetComponentToAppend.setAttribute("id", "oswald-widget-wrapper");
    widgetComponentToAppend.appendChild(oswaldIframe);
  }
  document.body.appendChild(widgetComponentToAppend);

  const checkIfSSOAcertaPermissionOrNot = function (token, oswaldBubbleIframe) {
    var userReference = "unknown";
    if (token !== "49e087ef-749f-4a13-9680-ea3613d2c33d") {
      var referenceCookie = getCookie(UserReferenceCookie);
      if (referenceCookie) {
        userReference = referenceCookie;
      }
    }

    let acertaLanguage = "";
    if (token) {
      acertaLanguage = getCookie("acertaLanguage");
      if (acertaLanguage) {
        acertaLanguage = acertaLanguage.replace(/_.*/, "");
      } else {
        acertaLanguage = navigator.language || navigator.userLanguage;
        acertaLanguage = acertaLanguage.replace(/-.*/, "");

        if (
          acertaLanguage !== "en" &&
          acertaLanguage !== "nl" &&
          acertaLanguage !== "fr"
        ) {
          acertaLanguage = "nl";
        }
      }
    }

    if (oswaldSession) {
      oswaldBubbleIframe.src = `https://api.oswald.ai/api/v1/chats/${token}/sessions/${oswaldSession}/oauth2/sso/${userReference}?locale=${acertaLanguage}`;
    } else {
      oswaldBubbleIframe.src = `https://api.oswald.ai/api/v1/chats/${token}/sessions/${oswaldBackendSession}/oauth2/sso/${userReference}`;
    }

    if (token) {
      fetch(oswaldBubbleIframe.src)
        .then((resp) => {
          return resp.json();
        })
        .then((resp) => {
          oswaldBubbleIframe.src = resp;
          oswaldAppendBubble(oswaldBubbleIframe);
        });
      return;
    } else {
      oswaldAppendBubble(oswaldBubbleIframe);
    }
  };

  oswaldBubbleIframe.src =
    `https://widget.oswald.ai/bubble?token=${token}&startCommand=&startCommandOnLoad=&locale=nl&open=&session=` +
    oswaldSession +
    "&feedback=&forceStartCommand=false&env=production&time=" +
    time;
  if (token && isAcertaToken(token)) {
    checkIfSSOAcertaPermissionOrNot(token, oswaldBubbleIframe);
  } else if (token && isHelanToken(token)) {
    oswaldAppendBubble(oswaldBubbleIframe);
    const sso = `https://api.oswald.ai/api/v1/chats/${token}/sessions/${oswaldSession}/oauth2/forgerock/sso?locale=en`;
    fetch(sso)
      .then((resp) => {
        return resp.json();
      })
      .then((resp) => {
        if (resp && resp.includes("ai/bubble")) {
          // oswaldBubbleIframe.src = resp;
          // oswaldAppendBubble(oswaldBubbleIframe);
        } else {
          const popUp = window.open(
            resp,
            "_blank",
            "location=yes,height=570,width=520,scrollbars=yes,status=yes"
          );
          var timer = setInterval(function () {
            if (popUp.closed) {
              // if something should happen after modal is closed.
              clearInterval(timer);
              // console.log("closed");
            } else {
              // console.log("open");
            }
          }, 500);
        }
      });
  } else {
    oswaldAppendBubble(oswaldBubbleIframe);
  }

  function oswaldAppendBubble(oswaldBubbleIframe) {
    oswaldBubbleIframe.frameBorder = "0";
    oswaldBubbleIframe.width = "120px";
    oswaldBubbleIframe.height = "100px";
    // Working in IEdr
    oswaldBubbleIframe.style.position = "fixed";
    oswaldBubbleIframe.style.right = "0";
    oswaldBubbleIframe.style.bottom = "50px";
    oswaldBubbleIframe.style.zIndex = "2147483645";
    // Not working in IE
    oswaldBubbleIframe.style =
      "position: fixed; right:0; bottom:50px; z-index: 2147483645; border:none;";
    oswaldBubbleIframe.setAttribute("id", "oswald-widget-bubble");
    var bubbleComponentToAppend = oswaldBubbleIframe;
    if (false) {
      bubbleComponentToAppend = document.createElement("div");
      bubbleComponentToAppend.setAttribute("id", "oswald-bubble-wrapper");
      bubbleComponentToAppend.appendChild(oswaldBubbleIframe);
    }
    document.body.appendChild(bubbleComponentToAppend);
  }

  var windowSizer = function () {
    var width = Math.min(470, window.innerWidth) + "px",
      height = "690px",
      bottom = "120px",
      right = "0px",
      bubbleBottom = "20px";

    if (matchWindowHeight.matches) {
      bottom = "70px";
      right = "50px";
      bubbleBottom = "0px";
      height = "85%";
    }

    if (matchWindowWidth.matches) {
      width = "100%";
      height = "100%";
      bottom = "0px";
      right = "0px";
    }

    oswaldIframe.style.width = width;
    oswaldIframe.style.height = height;
    oswaldIframe.style.bottom = bottom;
    oswaldIframe.style.right = right;
    oswaldBubbleIframe.style.bottom = bubbleBottom;
  };

  window.addEventListener("resize", windowSizer);
  windowSizer();

  function oswaldAddStylesheetFromString(rule) {
    var css = document.createElement("style");
    css.type = "text/css";
    if (css.styleSheet) {
      // Support for IE
      css.styleSheet.cssText = rule;
    } else {
      // Support for the rest
      css.appendChild(document.createTextNode(rule));
    }
    document.getElementsByTagName("head")[0].appendChild(css);
  }

  // fix for webkit not notifying code-created iframes about unload...
  window.addEventListener("beforeunload", function () {
    document.getElementById("oswald-widget").setAttribute("src", "");
  });

  function sendCurrentUrlToOswald() {
    document.getElementById("oswald-widget").contentWindow.postMessage(
      {
        eventName: "oswald-host-url",
        oswaldData: {
          url: "" + window.location,
        },
      },
      "*"
    );
  }

  function checkForOauthQueryParam() {
    if (typeof URLSearchParams !== "undefined") {
      const params = new URLSearchParams(window.location.search);
      if (params.get("oauth")) {
        params.delete("session");
        params.delete("oauth");
        if (window.history.replaceState) {
          var newurl =
            window.location.protocol +
            "//" +
            window.location.host +
            window.location.pathname +
            "?" +
            params.toString();
          console.warn(`New url will be: ${newurl}`);
          window.history.pushState({ path: newurl }, "", newurl);
        }
      }
    }
  }

  function checkForCookieAndSent() {
    var cookie = getCookie(SSOCookie);
    if (cookie) {
      document.getElementById("oswald-widget").contentWindow.postMessage(
        {
          eventName: "oswald-get-sso-cookie",
          cookie: cookie,
        },
        "*"
      );
    }
  }

  function URLSanitizer(url, onSuccess, onFail) {
    const sanitizerUrl = `${apiUrl}/api/v1/chats/urlValidate?url=${url}&chatbotId=${token}`;

    const t = new XMLHttpRequest();
    t.open("GET", sanitizerUrl);
    t.onreadystatechange = function () {
      if (
        ((t.status >= 200 && t.status <= 299) || t.status === 304) &&
        t.response
      ) {
        onSuccess(t.response);
      } else if (t.status >= 300) {
        onFail();
      }
    };
    t.send(null);
  }

  function setCookie(variable, value, expires_seconds) {
    var cd = new Date();
    cd = new Date(d.getTime() + 1000 * expires_seconds);
    document.cookie =
      variable +
      "=" +
      value +
      ";secure;samesite=strict;expires=" +
      cd.toGMTString() +
      ";";
  }

  function getCookie(name) {
    const value = `; ${document.cookie}`;
    const parts = value.split(`; ${name}=`);
    if (parts.length === 2) return parts.pop().split(";").shift();
  }

  window.addEventListener("locationchange", function (event) {
    sendCurrentUrlToOswald();
  });

  // Sanitize function
  const sanitizeUserInput = (input) => {
    // Escape special characters: { } ; @
    return input
      .replace(/[{]/g, "\\{")
      .replace(/[}]/g, "\\}")
      .replace(/[;]/g, "\\;")
      .replace(/[@]/g, "\\@");
  };

  window.addEventListener(
    "message",
    function (event) {
      if (event.data.eventName === "update-oswald-config") {
        var oswaldHostCss =
          event.data.oswaldData &&
          event.data.oswaldData.widget &&
          event.data.oswaldData.widget.hostCss;
        if (oswaldHostCss) {
          oswaldAddStylesheetFromString(sanitizeCss(oswaldHostCss));
        }
        document
          .getElementById("oswald-widget")
          .contentWindow.postMessage(event.data, "*");
      } else if (event.data.eventName === "oswald-open-iframe") {
        document.getElementById("oswald-widget").style.display = "block";
        document.getElementById("oswald-widget").contentWindow.postMessage(
          {
            eventName: "oswald-open-widget",
            widgetClosed: false,
          },
          "*"
        );
      } else if (event.data.eventName === "oswald-session-change") {
        document
          .getElementById("oswald-widget-bubble")
          .contentWindow.postMessage(
            {
              eventName: "oswald-session-change",
              data: event.data.data,
            },
            "*"
          );
      } else if (event.data.eventName === "oswald-close-iframe") {
        document.getElementById("oswald-widget").style.display = "none";
        document.getElementById("oswald-widget").contentWindow.postMessage(
          {
            eventName: "oswald-close-widget",
            widgetClosed: true,
          },
          "*"
        );
      } else if (event.data.eventName === "oswald-iframe-closed") {
        document.getElementById("oswald-widget").style.display = "none";
        document
          .getElementById("oswald-widget-bubble")
          .contentWindow.postMessage(
            {
              eventName: "oswald-iframe-closed",
              widgetClosed: true,
            },
            "*"
          );
      } else if (event.data.eventName === "oswald-cookie-return") {
        checkForCookieAndSent();
      } else if (event.data.eventName === "oswald-widget-ready") {
        window.oswaldWidgetReady = true;
        document
          .getElementById("oswald-widget-bubble")
          .contentWindow.postMessage(
            { eventName: "oswald-widget-loaded" },
            "*"
          );
        sendCurrentUrlToOswald();
        checkForOauthQueryParam();
      } else if (event.data.eventName === "oswald-widget-initialised") {
        if (event.data.bubbleReady) {
          this.bubbleReady = true;
        }
        if (event.data.widgetReady) {
          this.widgetReady = true;
        }
        if (this.widgetReady && this.bubbleReady) {
          document
            .getElementById("oswald-widget-bubble")
            .contentWindow.postMessage(
              { eventName: "oswald-widget-initialised" },
              "*"
            );
        }
      } else if (event.data.eventName === "oswald-set-sso-cookie") {
        setCookie(SSOCookie, event.data.oswaldData);
      } else if (event.data.eventName === "oswald-user-reference-cookie") {
        setCookie(UserReferenceCookie, event.data.oswaldData);
      } else if (
        event.data.eventName === "oswald-authorization-redirect" &&
        event.data.data &&
        typeof event.data.data === "string"
      ) {
        URLSanitizer(
          event.data.data,
          (url) => (window.location.href = url),
          () => {
            // something went wrong how should we handle it?
          }
        );
      }
    },
    true
  );

  if (window.history) {
    window.history.pushState = (function (f) {
      return function pushState() {
        var ret = f.apply(this, arguments);
        window.dispatchEvent(new Event("locationchange"));
        return ret;
      };
    })(window.history.pushState);

    window.history.replaceState = (function (f) {
      return function replaceState() {
        var ret = f.apply(this, arguments);
        window.dispatchEvent(new Event("locationchange"));
        return ret;
      };
    })(window.history.replaceState);
  }
  window.addEventListener("popstate", function () {
    window.dispatchEvent(new Event("locationchange"));
  });
}

function isAcertaToken(token) {
  return (
    token === "ac213f95-729d-4efb-84a9-2ec246e9bb1f" ||
    token === "cbf5c5e1-7fa9-4c1f-8f8a-cab32c231861" ||
    token === "e19d47a6-6e83-43c2-a177-50b332d5411a" ||
    token === "49e087ef-749f-4a13-9680-ea3613d2c33d" ||
    token === "23ffb67c-8fdd-49ac-aa7f-7afedda1305f"
  );
}

function isHelanToken(token) {
  return (
    token === "0c86a312-02d8-4c88-9cc3-978890e5ca2c" ||
    token === "f01e0e85-e63a-4467-b432-3df0e4165dfc" ||
    token === "9c6a626e-836d-438b-846a-4189f3949baa"
  );
}

// TODO: find a better way
function sanitizeCss(css) {
  // Create a temporary style element
  var style = document.createElement("style");
  style.textContent = css;

  // Append it to the document head (this won't affect the page styles yet)
  document.head.appendChild(style);

  // Access the CSS rules parsed by the browser
  var sheet = style.sheet;
  var rules = sheet.cssRules || sheet.rules;

  // Iterate over the rules and remove any @import rules
  for (var i = rules.length - 1; i >= 0; i--) {
    if (rules[i].type === CSSRule.IMPORT_RULE) {
      sheet.deleteRule(i);
    }
  }

  // Extract the sanitized CSS from the remaining rules
  var sanitizedCss = "";
  for (var i = 0; i < rules.length; i++) {
    sanitizedCss += rules[i].cssText + "\n";
  }

  // Clean up by removing the temporary style element
  document.head.removeChild(style);

  return sanitizedCss;
}