function toggleChat() {
    var e = document.getElementById("chat-box");
    if (e.classList.contains("open")) {
      e.classList.remove("open");
      e.classList.add("closed");
    }
    else {
      e.classList.remove("closed");
      e.classList.add("open");
      iFr = document.getElementById("ssb_iframe");
      iFrDoc = iFr.contentDocument || iFr.contentWindow.document;
      iFrDoc.body.focus();
      iFrDoc.getElementById("userQuery").focus();
    }
  }

function initializeChatWidget(config) {
  let chatContainer = document.createElement("div");
  chatContainer.id = "chat-container";
  let chatBubble = document.createElement("div");
  chatBubble.id = "chat-bubble";
  chatBubble.onclick = toggleChat;
  chatBubble.innerHTML = '<svg id="ic_bubble" fill="#FFFFFF" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg" aria-hidden="true"><path d="M20 2H4c-1.1 0-2 .9-2 2v18l4-4h14c1.1 0 2-.9 2-2V4c0-1.1-.9-2-2-2z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg>';
  let chatBox = document.createElement("div");
  chatBox.id = "chat-box";
  chatBox.classList.add("closed");

  console.log("initializeChatWidget: botId: ", config.botId);
  let chatScreen = "https://ml.api.mmhmm.app/ssb/chat.html?botId=" + config.botId;
  chatBox.innerHTML = '<iframe id="ssb_iframe" src="' + chatScreen + '&botLang=' + config.lang + '&botName=' + config.title + '" style="height: 100%; width: 100%;" frameborder="0"></iframe>';
  chatContainer.appendChild(chatBubble);
  chatContainer.appendChild(chatBox);
  document.body.appendChild(chatContainer);
}

function loadCSS(config) {
  var link = document.createElement("link");
  link.rel = "stylesheet";
  link.href = "https://ml.api.mmhmm.app/ssb/css/chat.css?botId=" + config.botId;
  document.head.appendChild(link);
}

let botId = "hcb"; // new URLSearchParams(window.location.search).get('botId');
let botLang = document.documentElement.lang;
let botName = "SSB.1.5.05"
let config = {botId: botId, lang: botLang, title: botName}

loadCSS(config);
initializeChatWidget(config);