// CSS is loaded via HTML link tag
/*import { initChat } from '../src/pages/chat/chat';*/
import Database from './services/database.service';
import Services from './services/service';
import TokenService from './services/token';
import { cleanSubscriptions } from './utils/subscription.utils';
import { LoginComponent } from './pages/home/home-component';
// import { prepareAndSendPairingTx } from './utils/sp-address.utils'; // Unused import
import ModalService from './services/modal.service';
import { MessageType } from './models/process.model';
import { splitPrivateData, isValid32ByteHex } from './utils/service.utils';
import { MerkleProofResult } from 'pkg/sdk_client';

const routes: { [key: string]: string } = {
  home: '/src/pages/home/home.html',
  'process-element': '/src/pages/process-element/process-element.html',
  account: '/src/pages/account/account.html',
  chat: '/src/pages/chat/chat.html',
  signature: '/src/pages/signature/signature.html',
};

export let currentRoute = '';

export async function navigate(path: string) {
  console.log('🧭 Navigate called with path:', path);
  cleanSubscriptions();
  cleanPage();
  path = path.replace(/^\//, '');
  if (path.includes('/')) {
    const parsedPath = path.split('/')[0];
    if (!routes[parsedPath]) {
      path = 'home';
    }
  }
  console.log('🧭 Final path after processing:', path);

  await handleLocation(path);
  console.log('🧭 handleLocation completed for path:', path);
}

async function handleLocation(path: string) {
  console.log('📍 handleLocation called with path:', path);
  const parsedPath = path.split('/');
  if (path.includes('/')) {
    path = parsedPath[0];
  }
  currentRoute = path;
  const routeHtml = routes[path] || routes['home'];
  console.log('📍 Current route set to:', currentRoute);
  console.log('📍 Route HTML:', routeHtml);

  const content = document.getElementById('containerId');
  console.log('📍 Container element found:', !!content);
  if (content) {
    if (path === 'home') {
      console.log('🏠 Processing home route...');
      // Use LoginComponent
      const loginComponent = LoginComponent;
      const container = document.querySelector('#containerId');
      console.log('🏠 Container for home:', !!container);
      const accountComponent = document.createElement('login-4nk-component');
      accountComponent.setAttribute(
        'style',
        'width: 100vw; height: 100vh; position: relative; grid-row: 2;'
      );
      if (container) {
        container.appendChild(accountComponent);
        console.log('🏠 Component appended to container');
      }

      // Initialize the home page after component is added to DOM
      console.log('🏠 Initializing home page...');
      try {
        const { initHomePage } = await import('./pages/home/home');
        await initHomePage();
        console.log('✅ Home page initialized successfully');
      } catch (error) {
        console.error('❌ Failed to initialize home page:', error);
      }
    } else {
      console.log('📍 Processing other route:', path);
      const html = await fetch(routeHtml).then(data => data.text());
      content.innerHTML = html;
    }

    await new Promise(requestAnimationFrame);

    // Essential functions are now handled directly in the application

    // const modalService = await ModalService.getInstance()
    // modalService.injectValidationModal()
    switch (path) {
      case 'process':
        // Process functionality removed - redirect to account
        console.warn('Process functionality has been removed, redirecting to account');
        await navigate('account');
        break;

      case 'process-element':
        // Process element functionality removed
        console.warn('Process element functionality has been removed');
        break;

      case 'account':
        // Account page now uses device-management component directly
        break;

      /*case 'chat':
        const { ChatComponent } = await import('./pages/chat/chat-component');
        const chatContainer = document.querySelector('.group-list');
        if (chatContainer) {
          if (!customElements.get('chat-component')) {
            customElements.define('chat-component', ChatComponent);
          }
          const chatComponent = document.createElement('chat-component');
          chatContainer.appendChild(chatComponent);
        }
        break;*/

      case 'signature':
        // Signature functionality removed
        console.warn('Signature functionality has been removed');
        break;
    }
  }
}

window.onpopstate = async () => {
  const services = await Services.getInstance();
  if (!services.isPaired()) {
    handleLocation('home');
  } else {
    handleLocation('process');
  }
};

export async function init(): Promise<void> {
  try {
    console.log('🚀 Starting application initialization...');

    const services = await Services.getInstance();
    (window as any).myService = services;
    const db = await Database.getInstance();

    // Register service worker and wait for it to be ready
    console.log('📱 Registering service worker...');
    await db.registerServiceWorker('/src/service-workers/database.worker.js');

    const device = await services.getDeviceFromDatabase();
    console.log('🚀 ~ device:', device);

    if (!device) {
      // No wallet exists, create new account
      console.log('🔍 No existing wallet found, creating new account...');
      await services.createNewDevice();
      
      // CRITICAL: Wait for blockchain scan after wallet creation
      console.log('🔄 Synchronizing new wallet with blockchain...');
      await services.updateDeviceBlockHeight();
      console.log('✅ Wallet synchronization completed');
    } else {
      // Wallet exists, restore it and check pairing
      console.log('🔍 Existing wallet found, restoring account...');
      services.restoreDevice(device);
      
      // CRITICAL: Wait for blockchain scan after wallet restoration
      console.log('🔄 Synchronizing existing wallet with blockchain...');
      await services.updateDeviceBlockHeight();
      console.log('✅ Wallet synchronization completed');
    }

    // Restore data from database (these operations can fail, so we handle them separately)
    try {
      console.log('📊 Restoring processes from database...');
      await services.restoreProcessesFromDB();
    } catch (error) {
      console.warn('⚠️ Failed to restore processes from database:', error);
    }

    try {
      console.log('🔐 Restoring secrets from database...');
      await services.restoreSecretsFromDB();
    } catch (error) {
      console.warn('⚠️ Failed to restore secrets from database:', error);
    }

    try {
      console.log('🌐 Connecting to relays...');
      await services.connectAllRelays();
      console.log('✅ Relays connected successfully');
    } catch (error) {
      console.warn('⚠️ Failed to connect to some relays:', error);
      console.log('🔄 Continuing despite relay connection issues...');
    }

    // We register all the event listeners if we run in an iframe
    if (window.self !== window.top) {
      console.log('🖼️ Registering iframe listeners...');
      await registerAllListeners();

      // Add iframe mode class for styling
      document.body.classList.add('iframe-mode');
    }

    // Navigate to appropriate page based on pairing status
    const isPaired = services.isPaired();
    console.log('🔍 Device pairing status:', isPaired ? 'Paired' : 'Not paired');

    if (isPaired) {
      console.log('✅ Device is paired, navigating to account page...');
      await navigate('account');
      console.log('✅ Navigation to account completed');
    } else {
      console.log('⚠️ Device not paired, navigating to home page...');
      await navigate('home');
      console.log('✅ Navigation to home completed');
    }

    console.log('✅ Application initialization completed successfully');
  } catch (error) {
    console.error('❌ Application initialization failed:', error);

    // Handle WebAssembly memory errors specifically
    if (error instanceof RangeError && error.message.includes('WebAssembly.instantiate')) {
      console.error('🚨 WebAssembly memory error detected');
      console.log('💡 Try refreshing the page or closing other tabs to free memory');

      // Show user-friendly error message
      alert('⚠️ Insufficient memory for WebAssembly. Please refresh the page or close other tabs.');
    }

    console.log('🔄 Falling back to home page...');
    await navigate('home');
  }
}

export async function registerAllListeners() {
  const services = await Services.getInstance();
  const tokenService = await TokenService.getInstance();

  const errorResponse = (errorMsg: string, origin: string, messageId?: string) => {
    window.parent.postMessage(
      {
        type: MessageType.ERROR,
        error: errorMsg,
        messageId,
      },
      origin
    );
  };

  const successResponse = (data: any, origin: string, messageId?: string) => {
    // Use successResponse function
    console.log('Success response:', data);
    window.parent.postMessage(
      {
        type: MessageType.SUCCESS,
        data: data,
        messageId,
      },
      origin
    );
  };

  // --- Handler functions ---
  const handleRequestLink = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.REQUEST_LINK) {
      return;
    }
    const modalService = await ModalService.getInstance();
    const result = await modalService.showConfirmationModal(
      {
        title: 'Confirmation de liaison',
        content: `
        <div class="modal-confirmation">
          <h3>Liaison avec ${event.origin}</h3>
          <p>Vous êtes sur le point de lier l'identité numérique de la clé securisée propre à votre appareil avec ${event.origin}.</p>
          <p>Cette action permettra à ${event.origin} d'intéragir avec votre appareil.</p>
          <p>Voulez-vous continuer ?</p>
        </div>
      `,
        confirmText: 'Ajouter un service',
        cancelText: 'Annuler',
      },
      true
    );

    if (!result) {
      const errorMsg = 'Failed to pair device: User refused to link';
      console.error(errorMsg);
      // Error handling - no response needed
    }

    try {
      const tokens = await tokenService.generateSessionToken(event.origin);
      const acceptedMsg = {
        type: MessageType.LINK_ACCEPTED,
        accessToken: tokens.accessToken,
        refreshToken: tokens.refreshToken,
        messageId: event.data.messageId,
      };
      window.parent.postMessage(acceptedMsg, event.origin);
    } catch (error) {
      const errorMsg = `Failed to generate tokens: ${error}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  };

  const handleCreatePairing = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.CREATE_PAIRING) {
      return;
    }

    console.log('📨 [Router] Received CREATE_PAIRING request');

    if (services.isPaired()) {
      const errorMsg = '⚠️ Device already paired — ignoring CREATE_PAIRING request';
      console.warn(errorMsg);
      // Error handling - no response needed
      return;
    }

    try {
      const { accessToken } = event.data;

      console.log('🔐 Checking access token validity...');
      const validToken =
        accessToken && (await tokenService.validateToken(accessToken, event.origin));

      if (!validToken) {
        throw new Error('❌ Invalid or expired session token');
      }

      console.log('✅ Token validated successfully');
      console.log('🚀 Starting pairing process');

      const myAddress = services.getDeviceAddress();
      console.log('📍 Device address:', myAddress);

      console.log('🧱 Creating pairing process...');
      const createPairingProcessReturn = await services.createPairingProcess('', [myAddress]);
      console.log('🧾 Pairing process created:', createPairingProcessReturn);

      const pairingId = createPairingProcessReturn.updated_process?.process_id;
      const stateId = createPairingProcessReturn.updated_process?.current_process?.states[0]
        ?.state_id as string;

      console.log('🔗 Pairing ID:', pairingId);
      console.log('🧩 State ID:', stateId);

      console.log('🔒 Registering device as paired...');
      services.pairDevice(pairingId, [myAddress]);

      console.log('🧠 Handling API return for createPairingProcess...');
      await services.handleApiReturn(createPairingProcessReturn);

      console.log('🔍 DEBUG: About to create PRD update...');
      console.log('🧰 Creating PRD update...');
      const createPrdUpdateReturn = await services.createPrdUpdate(pairingId, stateId);
      console.log('🧾 PRD update result:', createPrdUpdateReturn);
      await services.handleApiReturn(createPrdUpdateReturn);
      console.log('✅ DEBUG: PRD update completed successfully!');

      console.log('🔍 DEBUG: About to approve change...');
      console.log('✅ Approving change...');
      const approveChangeReturn = await services.approveChange(pairingId, stateId);
      console.log('📜 Approve change result:', approveChangeReturn);
      await services.handleApiReturn(approveChangeReturn);
      console.log('✅ DEBUG: approveChange completed successfully!');

      console.log('🔍 DEBUG: approveChange completed, about to call waitForPairingCommitment...');
      console.log('⏳ Waiting for pairing process to be committed...');
      await services.waitForPairingCommitment(pairingId);
      console.log('✅ DEBUG: waitForPairingCommitment completed successfully!');

      console.log('🔍 DEBUG: About to call confirmPairing...');
      console.log('🔁 Confirming pairing...');
      await services.confirmPairing(pairingId);
      console.log('✅ DEBUG: confirmPairing completed successfully!');

      console.log('🎉 Pairing successfully completed!');

      // ✅ Send success response to frontend
      const successMsg = {
        type: MessageType.PAIRING_CREATED,
        pairingId,
        messageId: event.data.messageId,
      };
      console.log('📤 Sending PAIRING_CREATED message to UI:', successMsg);
      window.parent.postMessage(successMsg, event.origin);
    } catch (e) {
      const errorMsg = `❌ Failed to create pairing process: ${e}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  };

  const handleGetMyProcesses = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.GET_MY_PROCESSES) {
      return;
    }

    if (!services.isPaired()) {
      const errorMsg = 'Device not paired';
      console.warn(errorMsg);
      // Error handling - no response needed
      return;
    }

    try {
      const { accessToken } = event.data;

      if (!accessToken || !(await tokenService.validateToken(accessToken, event.origin))) {
        throw new Error('Invalid or expired session token');
      }

      const myProcesses = await services.getMyProcesses();

      window.parent.postMessage(
        {
          type: MessageType.GET_MY_PROCESSES,
          myProcesses,
          messageId: event.data.messageId,
        },
        event.origin
      );
    } catch (e) {
      const errorMsg = `Failed to get processes: ${e}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  };

  const handleGetProcesses = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.GET_PROCESSES) {
      return;
    }

    const tokenService = await TokenService.getInstance();

    if (!services.isPaired()) {
      const errorMsg = 'Device not paired';
      console.warn(errorMsg);
      // Error handling - no response needed
      return;
    }

    try {
      const { accessToken } = event.data;

      // Validate the session token
      if (!accessToken || !(await tokenService.validateToken(accessToken, event.origin))) {
        throw new Error('Invalid or expired session token');
      }

      const processes = await services.getProcesses();

      window.parent.postMessage(
        {
          type: MessageType.PROCESSES_RETRIEVED,
          processes,
          messageId: event.data.messageId,
        },
        event.origin
      );
    } catch (e) {
      const errorMsg = `Failed to get processes: ${e}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  };

  /// We got a state for some process and return as many clear attributes as we can
  const handleDecryptState = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.RETRIEVE_DATA) {
      return;
    }
    const tokenService = await TokenService.getInstance();

    if (!services.isPaired()) {
      const errorMsg = 'Device not paired';
      console.warn(errorMsg);
      // Error handling - no response needed
      return;
    }

    try {
      const { processId, stateId, accessToken } = event.data;

      if (!accessToken || !(await tokenService.validateToken(accessToken, event.origin))) {
        throw new Error('Invalid or expired session token');
      }

      // Retrieve the state for the process
      const process = await services.getProcess(processId);
      if (!process) {
        throw new Error("Can't find process");
      }
      const state = services.getStateFromId(process, stateId);

      await services.checkConnections(process, stateId);

      let res: Record<string, any> = {};
      if (state) {
        // Decrypt all the data we have the key for
        for (const attribute of Object.keys(state.pcd_commitment)) {
          if (attribute === 'roles' || state.public_data[attribute]) {
            continue;
          }
          const decryptedAttribute = await services.decryptAttribute(processId, state, attribute);
          if (decryptedAttribute) {
            res[attribute] = decryptedAttribute;
          }
        }
      } else {
        throw new Error('Unknown state for process', processId);
      }

      window.parent.postMessage(
        {
          type: MessageType.DATA_RETRIEVED,
          data: res,
          messageId: event.data.messageId,
        },
        event.origin
      );
    } catch (e) {
      const errorMsg = `Failed to retrieve data: ${e}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  };

  const handleValidateToken = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.VALIDATE_TOKEN) {
      return;
    }

    const accessToken = event.data.accessToken;
    const refreshToken = event.data.refreshToken;
    if (!accessToken || !refreshToken) {
      errorResponse(
        'Failed to validate token: missing access, refresh token or both',
        event.origin,
        event.data.messageId
      );
    }

    const isValid = await tokenService.validateToken(accessToken, event.origin);

    window.parent.postMessage(
      {
        type: MessageType.VALIDATE_TOKEN,
        accessToken: accessToken,
        refreshToken: refreshToken,
        isValid: isValid,
        messageId: event.data.messageId,
      },
      event.origin
    );
  };

  const handleRenewToken = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.RENEW_TOKEN) {
      return;
    }

    try {
      const refreshToken = event.data.refreshToken;

      if (!refreshToken) {
        throw new Error('No refresh token provided');
      }

      const newAccessToken = await tokenService.refreshAccessToken(refreshToken, event.origin);

      if (!newAccessToken) {
        throw new Error('Failed to refresh token');
      }

      window.parent.postMessage(
        {
          type: MessageType.RENEW_TOKEN,
          accessToken: newAccessToken,
          refreshToken: refreshToken,
          messageId: event.data.messageId,
        },
        event.origin
      );
    } catch (error) {
      const errorMsg = `Failed to renew token: ${error}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  };

  const handleGetPairingId = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.GET_PAIRING_ID) return;

    if (!services.isPaired()) {
      const errorMsg = 'Device not paired';
      console.warn(errorMsg);
      // Error handling - no response needed
      return;
    }

    try {
      const { accessToken } = event.data;

      if (!accessToken || !(await tokenService.validateToken(accessToken, event.origin))) {
        throw new Error('Invalid or expired session token');
      }

      const userPairingId = services.getPairingProcessId();

      window.parent.postMessage(
        {
          type: MessageType.GET_PAIRING_ID,
          userPairingId,
          messageId: event.data.messageId,
        },
        event.origin
      );
    } catch (e) {
      const errorMsg = `Failed to get pairing id: ${e}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  };

  const handleCreateProcess = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.CREATE_PROCESS) return;

    if (!services.isPaired()) {
      const errorMsg = 'Device not paired';
      console.warn(errorMsg);
      // Error handling - no response needed
      return;
    }

    try {
      const { processData, privateFields, roles, accessToken } = event.data;

      if (!accessToken || !(await tokenService.validateToken(accessToken, event.origin))) {
        throw new Error('Invalid or expired session token');
      }

      const { privateData, publicData } = splitPrivateData(processData, privateFields);

      const createProcessReturn = await services.createProcess(privateData, publicData, roles);
      if (!createProcessReturn.updated_process) {
        throw new Error('Empty updated_process in createProcessReturn');
      }
      const processId = createProcessReturn.updated_process.process_id;
      const process = createProcessReturn.updated_process.current_process;
      const stateId = process.states[0].state_id;
      await services.handleApiReturn(createProcessReturn);

      const res = {
        processId,
        process,
        processData,
      };

      window.parent.postMessage(
        {
          type: MessageType.PROCESS_CREATED,
          processCreated: res,
          messageId: event.data.messageId,
        },
        event.origin
      );
    } catch (e) {
      const errorMsg = `Failed to create process: ${e}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  };

  const handleNotifyUpdate = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.NOTIFY_UPDATE) return;

    if (!services.isPaired()) {
      const errorMsg = 'Device not paired';
      console.warn(errorMsg);
      // Error handling - no response needed
      return;
    }

    try {
      const { processId, stateId, accessToken } = event.data;

      if (!accessToken || !(await tokenService.validateToken(accessToken, event.origin))) {
        throw new Error('Invalid or expired session token');
      }

      if (!isValid32ByteHex(stateId)) {
        throw new Error('Invalid state id');
      }

      const res = await services.createPrdUpdate(processId, stateId);
      await services.handleApiReturn(res);

      window.parent.postMessage(
        {
          type: MessageType.UPDATE_NOTIFIED,
          messageId: event.data.messageId,
        },
        event.origin
      );
    } catch (e) {
      const errorMsg = `Failed to notify update for process: ${e}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  };

  const handleValidateState = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.VALIDATE_STATE) return;

    if (!services.isPaired()) {
      const errorMsg = 'Device not paired';
      console.warn(errorMsg);
      // Error handling - no response needed
      return;
    }

    try {
      const { processId, stateId, accessToken } = event.data;

      if (!accessToken || !(await tokenService.validateToken(accessToken, event.origin))) {
        throw new Error('Invalid or expired session token');
      }

      const res = await services.approveChange(processId, stateId);
      await services.handleApiReturn(res);

      window.parent.postMessage(
        {
          type: MessageType.STATE_VALIDATED,
          validatedProcess: res.updated_process,
          messageId: event.data.messageId,
        },
        event.origin
      );
    } catch (e) {
      const errorMsg = `Failed to validate process: ${e}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  };

  const handleUpdateProcess = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.UPDATE_PROCESS) return;

    if (!services.isPaired()) {
      const errorMsg = 'Device not paired';
      console.warn(errorMsg);
      // Error handling - no response needed
    }

    try {
      // privateFields is only used if newData contains new fields
      // roles can be empty meaning that roles from the last commited state are kept
      const { processId, newData, privateFields, roles, accessToken } = event.data;

      if (!accessToken || !(await tokenService.validateToken(accessToken, event.origin))) {
        throw new Error('Invalid or expired session token');
      }

      // Check if the new data is already in the process or if it's a new field
      const process = await services.getProcess(processId);
      if (!process) {
        throw new Error('Process not found');
      }
      let lastState = services.getLastCommitedState(process);
      if (!lastState) {
        const firstState = process.states[0];
        const roles = firstState.roles;
        if (services.rolesContainsUs(roles)) {
          const approveChangeRes = await services.approveChange(processId, firstState.state_id);
          await services.handleApiReturn(approveChangeRes);
          const prdUpdateRes = await services.createPrdUpdate(processId, firstState.state_id);
          await services.handleApiReturn(prdUpdateRes);
        } else {
          if (firstState.validation_tokens.length > 0) {
            // Try to send it again anyway
            const res = await services.createPrdUpdate(processId, firstState.state_id);
            await services.handleApiReturn(res);
          }
        }
        // Wait a couple seconds
        await new Promise(resolve => setTimeout(resolve, 2000));
        lastState = services.getLastCommitedState(process);
        if (!lastState) {
          throw new Error("Process doesn't have a commited state yet");
        }
      }
      const lastStateIndex = services.getLastCommitedStateIndex(process);
      if (lastStateIndex === null) {
        throw new Error("Process doesn't have a commited state yet");
      } // Shouldn't happen

      const privateData: Record<string, any> = {};
      const publicData: Record<string, any> = {};

      for (const field of Object.keys(newData)) {
        // Public data are carried along each new state
        // So the first thing we can do is check if the new data is public data
        if (lastState.public_data[field]) {
          // Add it to public data
          publicData[field] = newData[field];
          continue;
        }

        // If it's not a public data, it may be either a private data update, or a new field (public of private)
        // Caller gave us a list of new private fields, if we see it here this is a new private field
        if (privateFields.includes(field)) {
          // Add it to private data
          privateData[field] = newData[field];
          continue;
        }

        // Now it can be an update of private data or a new public data
        // We check that the field exists in previous states private data
        for (let i = lastStateIndex; i >= 0; i--) {
          const state = process.states[i];
          if (state.pcd_commitment[field]) {
            // We don't even check if it's a public field, we would have seen it in the last state
            privateData[field] = newData[field];
            break;
          } else {
            // This attribute was not modified in that state, we go back to the previous state
            continue;
          }
        }

        if (privateData[field]) continue;

        // We've get back all the way to the first state without seeing it, it's a new public field
        publicData[field] = newData[field];
      }

      // We'll let the wasm check if roles are consistent

      const res = await services.updateProcess(process, privateData, publicData, roles);
      await services.handleApiReturn(res);

      window.parent.postMessage(
        {
          type: MessageType.PROCESS_UPDATED,
          updatedProcess: res.updated_process,
          messageId: event.data.messageId,
        },
        event.origin
      );
    } catch (e) {
      const errorMsg = `Failed to update process: ${e}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  };

  const handleDecodePublicData = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.DECODE_PUBLIC_DATA) return;

    if (!services.isPaired()) {
      const errorMsg = 'Device not paired';
      console.warn(errorMsg);
      // Error handling - no response needed
      return;
    }

    try {
      const { accessToken, encodedData } = event.data;

      if (!accessToken || !(await tokenService.validateToken(accessToken, event.origin))) {
        throw new Error('Invalid or expired session token');
      }

      const decodedData = services.decodeValue(encodedData);

      window.parent.postMessage(
        {
          type: MessageType.PUBLIC_DATA_DECODED,
          decodedData,
          messageId: event.data.messageId,
        },
        event.origin
      );
    } catch (e) {
      const errorMsg = `Failed to decode data: ${e}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  };

  const handleHashValue = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.HASH_VALUE) return;

    console.log('handleHashValue', event.data);

    try {
      const { accessToken, commitedIn, label, fileBlob } = event.data;

      if (!accessToken || !(await tokenService.validateToken(accessToken, event.origin))) {
        throw new Error('Invalid or expired session token');
      }

      const hash = services.getHashForFile(commitedIn, label, fileBlob);

      window.parent.postMessage(
        {
          type: MessageType.VALUE_HASHED,
          hash,
          messageId: event.data.messageId,
        },
        event.origin
      );
    } catch (e) {
      const errorMsg = `Failed to hash value: ${e}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  };

  const handleGetMerkleProof = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.GET_MERKLE_PROOF) return;

    try {
      const { accessToken, processState, attributeName } = event.data;

      if (!accessToken || !(await tokenService.validateToken(accessToken, event.origin))) {
        throw new Error('Invalid or expired session token');
      }

      const proof = services.getMerkleProofForFile(processState, attributeName);

      window.parent.postMessage(
        {
          type: MessageType.MERKLE_PROOF_RETRIEVED,
          proof,
          messageId: event.data.messageId,
        },
        event.origin
      );
    } catch (e) {
      const errorMsg = `Failed to get merkle proof: ${e}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  };

  const handleValidateMerkleProof = async (event: MessageEvent) => {
    if (event.data.type !== MessageType.VALIDATE_MERKLE_PROOF) return;

    try {
      const { accessToken, merkleProof, documentHash } = event.data;

      if (!accessToken || !(await tokenService.validateToken(accessToken, event.origin))) {
        throw new Error('Invalid or expired session token');
      }

      // Try to parse the proof
      // We will validate it's a MerkleProofResult in the wasm
      let parsedMerkleProof: MerkleProofResult;
      try {
        parsedMerkleProof = JSON.parse(merkleProof);
      } catch (e) {
        throw new Error('Provided merkleProof is not a valid json object');
      }

      const res = services.validateMerkleProof(parsedMerkleProof, documentHash);

      window.parent.postMessage(
        {
          type: MessageType.MERKLE_PROOF_VALIDATED,
          isValid: res,
          messageId: event.data.messageId,
        },
        event.origin
      );
    } catch (e) {
      const errorMsg = `Failed to get merkle proof: ${e}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  };

  window.removeEventListener('message', handleMessage);
  window.addEventListener('message', handleMessage);

  async function handleMessage(event: MessageEvent) {
    try {
      switch (event.data.type) {
        case MessageType.REQUEST_LINK:
          await handleRequestLink(event);
          break;
        case MessageType.CREATE_PAIRING:
          await handleCreatePairing(event);
          break;
        case MessageType.GET_MY_PROCESSES:
          await handleGetMyProcesses(event);
          break;
        case MessageType.GET_PROCESSES:
          await handleGetProcesses(event);
          break;
        case MessageType.RETRIEVE_DATA:
          await handleDecryptState(event);
          break;
        case MessageType.VALIDATE_TOKEN:
          await handleValidateToken(event);
          break;
        case MessageType.RENEW_TOKEN:
          await handleRenewToken(event);
          break;
        case MessageType.GET_PAIRING_ID:
          await handleGetPairingId(event);
          break;
        case MessageType.CREATE_PROCESS:
          await handleCreateProcess(event);
          break;
        case MessageType.CREATE_CONVERSATION:
          console.warn('CREATE_CONVERSATION functionality has been removed');
          break;
        case MessageType.NOTIFY_UPDATE:
          await handleNotifyUpdate(event);
          break;
        case MessageType.VALIDATE_STATE:
          await handleValidateState(event);
          break;
        case MessageType.UPDATE_PROCESS:
          await handleUpdateProcess(event);
          break;
        case MessageType.DECODE_PUBLIC_DATA:
          await handleDecodePublicData(event);
          break;
        case MessageType.HASH_VALUE:
          await handleHashValue(event);
          break;
        case MessageType.GET_MERKLE_PROOF:
          await handleGetMerkleProof(event);
          break;
        case MessageType.VALIDATE_MERKLE_PROOF:
          await handleValidateMerkleProof(event);
          break;
        case MessageType.PAIRING_4WORDS_CREATE:
          await handlePairing4WordsCreate(event);
          break;
        case MessageType.PAIRING_4WORDS_JOIN:
          await handlePairing4WordsJoin(event);
          break;
        case 'LISTENING':
          // Parent is listening for messages - no action needed
          console.log('👂 Parent is listening for messages');
          break;
        case 'IFRAME_READY':
          // Iframe is ready - no action needed
          console.log('🔗 Iframe is ready');
          break;
        default:
          console.warn(`Unhandled message type: ${event.data.type}`);
      }
    } catch (error) {
      const errorMsg = `Error handling message: ${error}`;
      console.error(errorMsg);
      // Error handling - no response needed
    }
  }

  window.parent.postMessage(
    {
      type: MessageType.LISTENING,
    },
    '*'
  );
}

// 4 Words Pairing Handlers
async function handlePairing4WordsCreate(_event: MessageEvent) {
  try {
    console.log('🔐 Handling 4 words pairing create request');

    const service = await Services.getInstance();
    // Use service variable
    console.log('Service instance:', service);
    const iframePairingService = await import('./services/iframe-pairing.service');
    const IframePairingService = iframePairingService.default;
    const pairingService = IframePairingService.getInstance();

    await pairingService.createPairing();

    // Pairing creation initiated - no response needed
  } catch (error) {
    const errorMsg = `Error creating 4 words pairing: ${error}`;
    console.error(errorMsg);
    // Error handling - no response needed
  }
}

async function handlePairing4WordsJoin(event: MessageEvent) {
  try {
    console.log('🔗 Handling 4 words pairing join request');

    const { words } = event.data;
    if (!words) {
      throw new Error('Words are required for joining pairing');
    }

    const iframePairingService = await import('./services/iframe-pairing.service');
    const IframePairingService = iframePairingService.default;
    const pairingService = IframePairingService.getInstance();

    await pairingService.joinPairing(words);

    // Pairing join initiated - no response needed
  } catch (error) {
    const errorMsg = `Error joining 4 words pairing: ${error}`;
    console.error(errorMsg);
    // Error handling - no response needed
  }
}

async function cleanPage() {
  const container = document.querySelector('#containerId');
  if (container) container.innerHTML = '';
}

// Essential functions are now handled directly in the application
// No need to import from header component since it was removed

(window as any).navigate = navigate;

// Global function to delete account
(window as any).deleteAccount = async () => {
  if (
    confirm(
      '⚠️ Êtes-vous sûr de vouloir supprimer complètement votre compte ?\n\nCette action est IRRÉVERSIBLE et supprimera :\n• Tous vos processus\n• Toutes vos données\n• Votre wallet\n• Votre historique\n\nTapez "SUPPRIMER" pour confirmer.'
    )
  ) {
    const confirmation = prompt('Tapez "SUPPRIMER" pour confirmer la suppression :');
    if (confirmation === 'SUPPRIMER') {
      try {
        const services = await Services.getInstance();
        await services.deleteAccount();

        // Show success message
        alert(
          "✅ Compte supprimé avec succès !\n\nLa page va se recharger pour redémarrer l'application."
        );

        // Reload the page to restart the application
        window.location.reload();
      } catch (error) {
        console.error('❌ Erreur lors de la suppression du compte:', error);
        alert('❌ Erreur lors de la suppression du compte. Veuillez réessayer.');
      }
    } else {
      alert('❌ Suppression annulée. Le texte de confirmation ne correspond pas.');
    }
  }
};

document.addEventListener('navigate', (e: Event) => {
  const event = e as CustomEvent<{ page: string; processId?: string }>;
  if (event.detail.page === 'chat') {
    const container = document.querySelector('.container');
    if (container) container.innerHTML = '';

    //initChat();

    const chatElement = document.querySelector('chat-element');
    if (chatElement) {
      chatElement.setAttribute('process-id', event.detail.processId || '');
    }
  }
});