/**
 * SDK Loader Script - Production
 *
 * Use case: Production environments
 * SDK UI URL: https://sdk.rootfi.dev
 */
(function () {
  const iframeId = 'rootfi-link-iframe';

  let linkToken = null;
  let successCallback = null;
  let onReadyCallback = null;
  let onExitCallback = null;

  function initialize(initializeData) {
    // Clean up any existing iframe and event listener to prevent duplicates
    const existingIframe = document.querySelector('#' + iframeId);
    if (existingIframe) {
      existingIframe.remove();
    }
    window.removeEventListener('message', handler);

    linkToken = initializeData.linkToken;
    let showConsentScreen = initializeData.showConsentScreen ?? true;
    successCallback = initializeData.onSuccess;
    onReadyCallback = initializeData.onReady;
    onExitCallback = initializeData.onExit;

    const params = `?invite_link_id=${encodeURIComponent(linkToken)}&show_close_btn=${!!onExitCallback}&show_consent_screen=${showConsentScreen}`;

    const iframe = document.createElement('iframe');
    iframe.id = iframeId;
    iframe.height = '100%';
    iframe.width = '100%';
    iframe.setAttribute('src', 'https://sdk.rootfi.dev' + params);
    iframe.style.display = 'none';
    iframe.style.position = 'fixed';
    iframe.style.top = '0';
    iframe.style.left = '0';
    iframe.style.right = '0';
    iframe.style.bottom = '0';
    iframe.style.zIndex = '9999999999';
    iframe.style.borderWidth = '0';
    iframe.style.overflowX = 'hidden';
    iframe.style.overflowY = 'auto';
    iframe.style.backgroundColor = 'transparent';
    iframe.setAttribute('allow', 'clipboard-read; clipboard-write');

    document.body.appendChild(iframe);

    window.addEventListener('message', handler);
  }

  const handler = (event) => {
    const data = event.data;
    if (data.message_type === 'APP_READY') {
      onReadyCallback && onReadyCallback();
    } else if (data.message_type === 'CLOSE') {
      onExitCallback && onExitCallback();
    } else if (data.message_type === 'CONNECTION_SUCCESS') {
      successCallback && successCallback(data);
    }
  };

  function sendMessageToIframe(message) {
    const iframe = document.querySelector('#' + iframeId);
    if (iframe && iframe.contentWindow) {
      iframe.contentWindow.postMessage(message, '*');
    }
  }

  window.RootfiLink = {
    initialize: initialize,
    openLink: (invite_link_id) => {
      const iframe = document.querySelector('#' + iframeId);
      iframe.style.display = 'block';
      sendMessageToIframe({
        message_type: 'OPEN_LINK',
        // Use provided invite_link_id if available, otherwise fall back to the linkToken from initialize()
        linkToken: invite_link_id ?? linkToken,
      });
    },
    closeLink: () => {
      const iframe = document.querySelector('#' + iframeId);
      iframe.style.display = 'none';
    },
  };
})();