// chatbot-controller.js
function adjustIframeSize(height, width) {
    const iframe = document.getElementById('chatbot-iframe');
    if (iframe) {
        const pageWidth = document.documentElement.clientWidth;
        const pageHeight = document.documentElement.clientHeight;
        let adjustedWidth = width;
        let adjustedHeight = height;

        if (width === '100%') {
            adjustedWidth = pageWidth;
        } else if (width.endsWith('px')) {
            const widthInPixels = parseInt(width, 10);
            adjustedWidth = Math.min(widthInPixels, pageWidth);
        }

        if (height === '100%') {
            adjustedHeight = pageHeight;
        } else if (height.endsWith('px')) {
            const heightInPixels = parseInt(height, 10);
            adjustedHeight = Math.min(heightInPixels, pageHeight);
        }

        iframe.style.width = `${adjustedWidth}px`;
        iframe.style.height = `${adjustedHeight}px`;
    }
}

window.addEventListener('message', (event) => {
    if (event.data.action === 'adjustSize') {
        const currentHeight = document.getElementById('chatbot-iframe').style.height;
        const currentWidth = document.getElementById('chatbot-iframe').style.width;
        // Only resize the chatbot when requested by the user
        if (currentHeight === '100vh' && currentWidth === '100%') {
            if (!('cta' in event.data)) {
                adjustIframeSize(event.data.height, event.data.width);
            }
        } else {
            adjustIframeSize(event.data.height, event.data.width);
        }
    }
});

window.addEventListener('message', (event) => {
    if (event.data === "requestParentUrl") {
      event.source.postMessage({ 
        action: 'responseParentUrl', 
        url: window.location.href 
      }, event.origin);
    }
    // Handle auto-login success callback
    if (event.data && event.data.action === 'autoLoginSuccess') {
      if (typeof window.onChatbotLoginSuccess === 'function') {
        window.onChatbotLoginSuccess(event.data.user);
      }
    }
    // Handle auto-login failure callback
    if (event.data && event.data.action === 'autoLoginFailed') {
      console.warn('Chatbot: Auto-login failed', event.data.error);
      if (typeof window.onChatbotLoginFailed === 'function') {
        window.onChatbotLoginFailed(event.data.error);
      }
    }
    // Handle logout success callback
    if (event.data && event.data.action === 'logoutSuccess') {
      if (typeof window.onChatbotLogout === 'function') {
        window.onChatbotLogout();
      }
    }
  });

/**
 * Login with a signed JWT token
 * @param {string} token - The signed JWT token
 * @param {string} source - Optional source identifier
 */
function chatbotLoginWithToken(token, source) {
  const iframe = document.getElementById('chatbot-iframe');
  if (iframe && iframe.contentWindow) {
    iframe.contentWindow.postMessage({
      action: 'loginWithToken',
      token: token,
      source: source || 'external'
    }, '*');
  }
}

/**
 * Logout from the chatbot
 */
function chatbotLogout() {
  const iframe = document.getElementById('chatbot-iframe');
  if (iframe && iframe.contentWindow) {
    iframe.contentWindow.postMessage({
      action: 'logout'
    }, '*');
  }
}