696 lines
23 KiB
JavaScript
696 lines
23 KiB
JavaScript
class EveAIChatWidget extends HTMLElement {
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static get observedAttributes() {
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return [
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'tenant-id',
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'session-token',
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'language',
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'languages',
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'specialist-id',
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'server-url'
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];
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}
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constructor() {
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super();
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// Networking attributes
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this.socket = null; // Initialize socket to null
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this.room = null;
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this.lastRoom = null; // Store last known room
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this.userTimezone = Intl.DateTimeFormat().resolvedOptions().timeZone; // Detect user's timezone
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this.heartbeatInterval = null;
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this.idleTime = 0; // in milliseconds
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this.maxConnectionIdleTime = 1 * 60 * 60 * 1000; // 1 hour in milliseconds
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this.reconnectAttempts = 0;
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this.maxReconnectAttempts = 5;
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// EveAI specific attributes
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this.languages = []
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this.currentLanguage = null;
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this.specialistId = null;
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console.log('EveAIChatWidget constructor called');
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// Bind methods to ensure correct 'this' context
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this.handleSendMessage = this.handleSendMessage.bind(this);
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this.handleTokenUpdate = this.handleTokenUpdate.bind(this);
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this.updateAttributes = this.updateAttributes.bind(this);
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}
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connectedCallback() {
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console.log('Chat Widget Connected');
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this.innerHTML = this.getTemplate();
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this.setupElements()
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this.addEventListeners()
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if (this.areAllAttributesSet()) {
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console.log('All attributes are set, initializing socket');
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this.initializeSocket();
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} else {
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console.warn('Not all required attributes are set yet');
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}
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}
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setupElements() {
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// Centralizes element querying
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this.messagesArea = this.querySelector('.messages-area');
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this.questionInput = this.querySelector('.question-area textarea');
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this.sendButton = this.querySelector('.send-icon');
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this.languageSelect = this.querySelector('.language-select');
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this.statusLine = this.querySelector('.status-line');
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this.statusMessage = this.querySelector('.status-message');
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this.connectionStatusIcon = this.querySelector('.connection-status-icon');
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}
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addEventListeners() {
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// Centralized event listener setup
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this.sendButton.addEventListener('click', this.handleSendMessage);
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this.questionInput.addEventListener('keydown', (event) => {
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if (event.key === 'Enter' && !event.shiftKey) {
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event.preventDefault();
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this.handleSendMessage();
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}
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});
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}
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populateLanguageDropdown() {
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// Clear existing options
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this.languageSelect.innerHTML = '';
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console.log(`languages for options: ${this.languages}`)
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// Populate with new options
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this.languages.forEach(lang => {
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const option = document.createElement('option');
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option.value = lang;
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option.textContent = lang.toUpperCase();
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if (lang === this.currentLanguage) {
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option.selected = true;
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}
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console.log(`Adding option for language: ${lang}`)
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this.languageSelect.appendChild(option);
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});
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// Add event listener for language change
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this.languageSelect.addEventListener('change', (e) => {
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this.currentLanguage = e.target.value;
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// You might want to emit an event or update the backend about the language change
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});
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}
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attributeChangedCallback(name, oldValue, newValue) {
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console.log(`Attribute ${name} changed from ${oldValue} to ${newValue}`);
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// Handle token updates specially
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if (name === 'session-token' && oldValue !== newValue) {
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this.updateAttributes();
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if (newValue) {
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console.log('Received new session token');
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this.sessionToken = newValue;
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// If socket exists, reconnect with new token
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if (this.socket) {
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this.socket.disconnect();
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this.initializeSocket();
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} else if (this.areAllAttributesSet()) {
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// Initialize socket if all other attributes are ready
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this.initializeSocket();
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}
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}
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return;
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}
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if (name === 'languages' || name === 'language') {
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this.updateAttributes();
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this.populateLanguageDropdown();
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return;
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}
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this.updateAttributes();
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}
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updateAttributes() {
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this.tenantId = parseInt(this.getAttribute('tenant-id'));
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this.sessionToken = this.getAttribute('session-token');
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this.language = this.getAttribute('language');
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const languageAttr = this.getAttribute('languages');
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this.languages = languageAttr ? languageAttr.split(',') : [];
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this.serverUrl = this.getAttribute('server-url');
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this.currentLanguage = this.language;
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this.specialistId = this.getAttribute('specialist-id');
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console.log('Updated attributes:', {
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tenantId: this.tenantId,
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sessionToken: this.sessionToken,
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language: this.language,
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currentLanguage: this.currentLanguage,
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languages: this.languages,
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serverUrl: this.serverUrl,
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specialistId: this.specialistId
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});
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}
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areAllAttributesSet() {
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console.log('Checking if all attributes are set:', {
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tenantId: this.tenantId,
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sessionToken: this.sessionToken,
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language: this.language,
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languages: this.languages,
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serverUrl: this.serverUrl,
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specialistId: this.specialistId
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});
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const requiredAttributes = [
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'tenant-id',
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'session-token',
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'language',
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'languages',
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'specialist-id',
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'server-url'
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];
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return requiredAttributes.every(attr => this.getAttribute(attr));
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}
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handleTokenUpdate(newToken) {
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if (this.socket && this.socket.connected) {
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console.log('Updating socket connection with new token');
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// Emit token update event to server
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this.socket.emit('update_token', { token: newToken });
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} else if (newToken && !this.socket) {
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// If we have a new token but no socket, try to initialize
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this.initializeSocket();
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}
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}
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initializeSocket() {
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console.log(`Initializing socket connection to Evie at ${this.serverUrl}`);
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if (this.socket) {
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console.log('Socket already initialized');
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return;
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}
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if (!this.sessionToken) {
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console.error('Cannot initialize socket without session token');
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return;
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}
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this.socket = io(this.serverUrl, {
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path: '/chat/socket.io/',
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transports: ['websocket'],
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query: { // Change from auth to query
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token: this.sessionToken
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},
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reconnectionAttempts: 5, // Infinite reconnection attempts
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reconnectionDelay: 5000, // Delay between reconnections
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timeout: 20000, // Connection timeout
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});
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if (!this.socket) {
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console.error('Error initializing socket')
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} else {
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console.log('Socket initialized')
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}
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this.setupSocketEventHandlers();
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}
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setupSocketEventHandlers() {
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// connect handler --------------------------------------------------------
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this.socket.on('connect', (data) => {
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console.log('Socket connected OK');
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this.setStatusMessage('Connected to EveAI.');
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this.updateConnectionStatus(true);
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this.startHeartbeat();
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if (data?.room) {
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this.room = data.room;
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this.lastRoom = this.room;
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console.log(`Joined room: ${this.room}`);
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} else {
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console.log('Room information not received on connect');
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}
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});
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// authenticated handler --------------------------------------------------
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this.socket.on('authenticated', (data) => {
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console.log('Authenticated event received');
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this.setStatusMessage('Authenticated.');
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if (data?.room) {
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this.room = data.room;
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this.lastRoom = this.room;
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console.log(`Confirmed room: ${this.room}`);
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} else {
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console.log('Room information not received on authentication');
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}
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});
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// Room join handler ------------------------------------------------------
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this.socket.on('room_join', (data) => {
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console.log('Room join event received:', data);
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if (data?.room) {
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this.room = data.room;
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this.lastRoom = this.room;
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console.log(`Joined room: ${this.room}`);
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}
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});
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// connect-error handler --------------------------------------------------
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this.socket.on('connect_error', (err) => {
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console.error('Socket connection error:', err);
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this.setStatusMessage('Connection Error: EveAI Chat Widget needs further configuration by site administrator.');
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this.updateConnectionStatus(false);
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});
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// connect-timeout handler ------------------------------------------------
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this.socket.on('connect_timeout', () => {
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console.error('Socket connection timeout');
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this.setStatusMessage('Connection Timeout: EveAI Chat Widget needs further configuration by site administrator.');
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this.updateConnectionStatus(false);
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});
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// disconnect handler -----------------------------------------------------
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this.socket.on('disconnect', (reason) => {
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console.log('Socket disconnected: ', reason);
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if (reason === 'io server disconnect') {
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// Server disconnected the socket
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this.socket.connect(); // Attempt to reconnect
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}
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this.setStatusMessage('Disconnected from EveAI. Please refresh the page for further interaction.');
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this.updateConnectionStatus(false);
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this.stopHeartbeat();
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this.room = null;
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});
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// Token related handlers -------------------------------------------------
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this.socket.on('token_expired', () => {
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console.log('Token expired');
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this.setStatusMessage('Session expired. Please refresh the page.');
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this.updateConnectionStatus(false);
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});
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// reconnect_attempt handler ----------------------------------------------
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this.socket.on('reconnect_attempt', (attemptNumber) => {
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console.log(`Reconnection attempt ${attemptNumber}`);
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this.setStatusMessage(`Reconnecting... (Attempt ${attemptNumber})`);
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this.reconnectAttempts = attemptNumber;
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});
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// reconnect handler ------------------------------------------------------
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this.socket.on('reconnect', () => {
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console.log('Successfully reconnected to the server');
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this.setStatusMessage('Reconnected to EveAI.');
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this.updateConnectionStatus(true);
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this.startHeartbeat();
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});
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// reconnect failed -------------------------------------------------------
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this.socket.on('reconnect_failed', () => {
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console.log('Reconnection failed');
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this.setStatusMessage('Unable to reconnect. Please refresh the page.');
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this.handleReconnectFailure();
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});
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// room rejoin result -----------------------------------------------------
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this.socket.on('room_rejoin_result', (response) => {
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if (response.success) {
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console.log('Successfully rejoined room');
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this.room = response.room;
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this.setStatusMessage('Reconnected successfully.');
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} else {
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console.error('Failed to rejoin room');
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this.handleRoomRejoinFailure();
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}
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});
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// bot_response handler ---------------------------------------------------
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this.socket.on('bot_response', (data) => {
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console.log('Bot response received: ', data);
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if (data.tenantId === this.tenantId && data?.room === this.room) {
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setTimeout(() => this.startTaskCheck(data.taskId), 1000);
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this.setStatusMessage('Processing...');
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} else {
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console.log('Received message for different room or tenant, ignoring');
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}
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});
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// task_status handler ----------------------------------------------------
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this.socket.on('task_status', (data) => {
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console.log('Task status received:', data);
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if (!this.room) {
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console.log('No room assigned, cannot process task status');
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return;
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}
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this.handleTaskStatus(data);
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});
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// Feedback handler -------------------------------------------------------
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this.socket.on('feedback_received', (data) => {
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if (data?.room === this.room) {
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this.setStatusMessage(data.status === 'success' ? 'Feedback recorded.' : 'Failed to record feedback.');
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}
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});
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}
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attemptRoomRejoin() {
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console.log(`Attempting to rejoin room: ${this.lastRoom}`);
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this.socket.emit('rejoin_room', {
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token: this.sessionToken,
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tenantId: this.tenantId,
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previousRoom: this.lastRoom,
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timestamp: Date.now()
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});
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}
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handleReconnectFailure() {
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this.room = null;
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this.lastRoom = null;
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this.reconnectAttempts = 0;
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this.updateConnectionStatus(false);
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// Optionally reload the widget
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if (confirm('Connection lost. Would you like to refresh the chat?')) {
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window.location.reload();
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}
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}
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handleRoomRejoinFailure() {
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// Clear room state
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this.room = null;
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this.lastRoom = null;
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// Request new room
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this.socket.emit('request_new_room', {
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token: this.sessionToken,
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tenantId: this.tenantId
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});
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}
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clearRoomState() {
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// Use when intentionally leaving/clearing a room
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this.room = null;
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this.lastRoom = null;
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this.reconnectAttempts = 0;
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}
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handleAuthError(error) {
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console.error('Authentication error:', error);
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this.setStatusMessage('Authentication failed. Please refresh the page.');
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this.updateConnectionStatus(false);
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if (this.socket) {
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this.socket.disconnect();
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}
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}
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setStatusMessage(message) {
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this.statusMessage.textContent = message;
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}
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updateConnectionStatus(isConnected) {
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if (isConnected) {
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this.connectionStatusIcon.textContent = 'link';
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this.connectionStatusIcon.classList.remove('status-disconnected');
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this.connectionStatusIcon.classList.add('status-connected');
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} else {
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this.connectionStatusIcon.textContent = 'link_off';
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this.connectionStatusIcon.classList.remove('status-connected');
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this.connectionStatusIcon.classList.add('status-disconnected');
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}
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}
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startHeartbeat() {
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this.stopHeartbeat(); // Clear any existing interval
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this.heartbeatInterval = setInterval(() => {
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if (this.socket && this.socket.connected) {
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this.socket.emit('heartbeat');
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this.idleTime += 30000;
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if (this.idleTime >= this.maxConnectionIdleTime) {
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this.socket.disconnect();
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this.setStatusMessage('Disconnected due to inactivity.');
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this.updateConnectionStatus(false);
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this.stopHeartbeat();
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}
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}
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}, 30000); // Send a heartbeat every 30 seconds
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}
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stopHeartbeat() {
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if (this.heartbeatInterval) {
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clearInterval(this.heartbeatInterval);
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this.heartbeatInterval = null;
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}
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}
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updateProgress() {
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if (!this.statusMessage.textContent) {
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this.statusMessage.textContent = 'Processing...';
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} else {
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this.statusMessage.textContent += '.'; // Append a dot
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}
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}
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clearProgress() {
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this.statusMessage.textContent = '';
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this.toggleSendButton(false); // Re-enable and revert send button to outlined version
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}
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checkTaskStatus(taskId) {
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this.updateProgress();
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this.socket.emit('check_task_status', { task_id: taskId });
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}
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getTemplate() {
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return `
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<div class="chat-container">
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<div class="messages-area"></div>
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<div class="disclaimer">Evie can make mistakes. Please double-check responses.</div>
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<div class="question-area">
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<textarea placeholder="Type your message here..." rows="3"></textarea>
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<div class="right-side">
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<select class="language-select"></select>
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<i class="material-icons send-icon outlined">send</i>
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</div>
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</div>
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<div class="status-line">
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<i class="material-icons connection-status-icon">link_off</i>
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<span class="status-message"></span>
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</div>
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</div>
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`;
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}
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addUserMessage(text) {
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const message = document.createElement('div');
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message.classList.add('message', 'user');
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message.innerHTML = `<p>${text}</p>`;
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this.messagesArea.appendChild(message);
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this.messagesArea.scrollTop = this.messagesArea.scrollHeight;
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}
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handleFeedback(feedback, interactionId) {
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// Send feedback to the backend
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console.log('handleFeedback called');
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if (!this.socket) {
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console.error('Socket is not initialized');
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return;
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}
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if (!this.validateRoom()) {
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console.log("No valid room to handle feedback")
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return;
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}
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console.log(`Sending feedback for ${interactionId}: ${feedback}`);
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this.socket.emit('feedback', { tenant_id: this.tenantId, token: this.sessionToken, feedback, interactionId, room: this.room });
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this.setStatusMessage('Feedback sent.');
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}
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addBotMessage(text, interactionId, algorithm = 'default', citations = []) {
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const message = document.createElement('div');
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message.classList.add('message', 'bot');
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let content = marked.parse(text);
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let citationsHtml = citations.map(url => `<a href="${url}" target="_blank">${url}</a>`).join('<br>');
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let algorithmClass;
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switch (algorithm) {
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case 'RAG_TENANT':
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algorithmClass = 'fingerprint-rag-tenant';
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break;
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case 'RAG_WIKIPEDIA':
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algorithmClass = 'fingerprint-rag-wikipedia';
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break;
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case 'RAG_GOOGLE':
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algorithmClass = 'fingerprint-rag-google';
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break;
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case 'LLM':
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algorithmClass = 'fingerprint-llm';
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break;
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default:
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algorithmClass = '';
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}
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message.innerHTML = `
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<p>${content}</p>
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${citationsHtml ? `<p class="citations">${citationsHtml}</p>` : ''}
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<div class="message-icons">
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<i class="material-icons ${algorithmClass}">fingerprint</i>
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<i class="material-icons thumb-icon outlined" data-feedback="up" data-interaction-id="${interactionId}">thumb_up_off_alt</i>
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<i class="material-icons thumb-icon outlined" data-feedback="down" data-interaction-id="${interactionId}">thumb_down_off_alt</i>
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</div>
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`;
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this.messagesArea.appendChild(message);
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// Add event listeners for feedback buttons
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const thumbsUp = message.querySelector('i[data-feedback="up"]');
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const thumbsDown = message.querySelector('i[data-feedback="down"]');
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thumbsUp.addEventListener('click', () => this.toggleFeedback(thumbsUp, thumbsDown, 'up', interactionId));
|
|
thumbsDown.addEventListener('click', () => this.toggleFeedback(thumbsUp, thumbsDown, 'down', interactionId));
|
|
|
|
this.messagesArea.scrollTop = this.messagesArea.scrollHeight;
|
|
}
|
|
|
|
toggleFeedback(thumbsUp, thumbsDown, feedback, interactionId) {
|
|
console.log('feedback called');
|
|
this.idleTime = 0; // Reset idle time
|
|
if (feedback === 'up') {
|
|
thumbsUp.textContent = 'thumb_up'; // Change to filled icon
|
|
thumbsUp.classList.remove('outlined');
|
|
thumbsUp.classList.add('filled');
|
|
thumbsDown.textContent = 'thumb_down_off_alt'; // Keep the other icon outlined
|
|
thumbsDown.classList.add('outlined');
|
|
thumbsDown.classList.remove('filled');
|
|
} else {
|
|
thumbsDown.textContent = 'thumb_down'; // Change to filled icon
|
|
thumbsDown.classList.remove('outlined');
|
|
thumbsDown.classList.add('filled');
|
|
thumbsUp.textContent = 'thumb_up_off_alt'; // Keep the other icon outlined
|
|
thumbsUp.classList.add('outlined');
|
|
thumbsUp.classList.remove('filled');
|
|
}
|
|
|
|
// Send feedback to the backend
|
|
this.handleFeedback(feedback, interactionId);
|
|
}
|
|
|
|
handleSendMessage() {
|
|
console.log('handleSendMessage called');
|
|
this.idleTime = 0; // Reset idle time
|
|
if (!this.socket?.connected) {
|
|
console.error('Cannot send message: socket not connected');
|
|
this.setStatusMessage('Not connected to server. Please try again.');
|
|
return;
|
|
}
|
|
|
|
if (!this.room) {
|
|
console.error('Cannot send message: no room assigned');
|
|
this.setStatusMessage('Connection not ready. Please wait...');
|
|
// Try to rejoin room if we have a last known room
|
|
if (this.lastRoom) {
|
|
this.attemptRoomRejoin();
|
|
}
|
|
return;
|
|
}
|
|
const message = this.questionInput.value.trim();
|
|
if (message) {
|
|
this.addUserMessage(message);
|
|
this.questionInput.value = '';
|
|
this.sendMessageToBackend(message);
|
|
this.toggleSendButton(true); // Disable and change send button to filled version
|
|
}
|
|
}
|
|
|
|
startTaskCheck(taskId) {
|
|
if (!this.validateRoom()) {
|
|
console.error('Cannot check task status: no room assigned');
|
|
return;
|
|
}
|
|
console.log('Emitting check_task_status for:', taskId);
|
|
this.socket.emit('check_task_status', {
|
|
task_id: taskId,
|
|
token: this.sessionToken,
|
|
tenant_id: this.tenantId,
|
|
room: this.room
|
|
});
|
|
}
|
|
|
|
handleTaskStatus(data) {
|
|
if (data.status === 'pending') {
|
|
this.updateProgress();
|
|
setTimeout(() => this.startTaskCheck(data.taskId), 1000);
|
|
} else if (data.status === 'success') {
|
|
if (data.results) {
|
|
this.addBotMessage(
|
|
data.results.answer,
|
|
data.interaction_id,
|
|
'RAG_TENANT',
|
|
data.results.citations || []
|
|
);
|
|
} else {
|
|
console.error('Missing results in task status response:', data);
|
|
}
|
|
this.clearProgress();
|
|
} else {
|
|
console.error('Task error:', data);
|
|
this.setStatusMessage('Failed to process message.');
|
|
}
|
|
}
|
|
sendMessageToBackend(message) {
|
|
if (!this.socket || !this.room) {
|
|
console.error('Cannot send message: socket or room not available');
|
|
return;
|
|
}
|
|
|
|
if (!this.validateRoom()) {
|
|
return;
|
|
}
|
|
|
|
const selectedLanguage = this.languageSelect.value;
|
|
const messageData = {
|
|
tenant_id: parseInt(this.tenantId),
|
|
token: this.sessionToken,
|
|
specialist_id: parseInt(this.specialistId),
|
|
arguments: {
|
|
language: selectedLanguage,
|
|
query: message
|
|
},
|
|
timezone: this.userTimezone,
|
|
room: this.room
|
|
};
|
|
|
|
console.log('Sending message to backend:', messageData);
|
|
this.socket.emit('user_message', messageData);
|
|
this.setStatusMessage('Processing started ...');
|
|
}
|
|
|
|
toggleSendButton(isProcessing) {
|
|
if (isProcessing) {
|
|
this.sendButton.textContent = 'send'; // Filled send icon
|
|
this.sendButton.classList.remove('outlined');
|
|
this.sendButton.classList.add('filled');
|
|
this.sendButton.classList.add('disabled'); // Add disabled class for styling
|
|
this.sendButton.style.pointerEvents = 'none'; // Disable click events
|
|
} else {
|
|
this.sendButton.textContent = 'send'; // Outlined send icon
|
|
this.sendButton.classList.add('outlined');
|
|
this.sendButton.classList.remove('filled');
|
|
this.sendButton.classList.remove('disabled'); // Remove disabled class
|
|
this.sendButton.style.pointerEvents = 'auto'; // Re-enable click events
|
|
}
|
|
}
|
|
|
|
validateRoom() {
|
|
if (!this.room) {
|
|
console.error('No room assigned');
|
|
this.setStatusMessage('Connection not ready. Please wait...');
|
|
// Try to rejoin room if we have a last known room
|
|
if (this.lastRoom) {
|
|
this.attemptRoomRejoin();
|
|
}
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
|
|
customElements.define('eveai-chat-widget', EveAIChatWidget);
|
|
|