479 lines
17 KiB
JavaScript
479 lines
17 KiB
JavaScript
class EveAIChatWidget extends HTMLElement {
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static get observedAttributes() {
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return ['tenant-id', 'api-key', 'domain', 'language', 'languages'];
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}
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constructor() {
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super();
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this.socket = null; // Initialize socket to null
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this.attributesSet = false; // Flag to check if all attributes are set
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this.jwtToken = null; // Initialize jwtToken to null
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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 hours in milliseconds
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this.languages = []
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this.room = null;
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console.log('EveAIChatWidget constructor called');
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}
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connectedCallback() {
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console.log('connectedCallback called');
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this.innerHTML = this.getTemplate();
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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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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(); // Prevent adding a new line
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this.handleSendMessage();
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}
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});
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if (this.areAllAttributesSet() && !this.socket) {
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console.log('Attributes already set in connectedCallback, initializing socket');
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this.initializeSocket();
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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(`attributeChangedCallback called: ${name} changed from ${oldValue} to ${newValue}`);
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this.updateAttributes();
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if (this.areAllAttributesSet() && !this.socket) {
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console.log('All attributes set in attributeChangedCallback, initializing socket');
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this.attributesSet = true;
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console.log('All attributes are set, populating language dropdown');
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this.populateLanguageDropdown();
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console.log('All attributes are set, initializing socket')
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this.initializeSocket();
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}
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}
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updateAttributes() {
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this.tenantId = this.getAttribute('tenant-id');
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this.apiKey = this.getAttribute('api-key');
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this.domain = this.getAttribute('domain');
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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.currentLanguage = this.language;
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console.log('Updated attributes:', {
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tenantId: this.tenantId,
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apiKey: this.apiKey,
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domain: this.domain,
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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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});
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}
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areAllAttributesSet() {
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const tenantId = this.getAttribute('tenant-id');
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const apiKey = this.getAttribute('api-key');
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const domain = this.getAttribute('domain');
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const language = this.getAttribute('language');
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const languages = this.getAttribute('languages');
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console.log('Checking if all attributes are set:', {
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tenantId,
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apiKey,
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domain,
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language,
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languages
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});
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return tenantId && apiKey && domain && language && languages;
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}
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createLanguageDropdown() {
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const select = document.createElement('select');
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select.id = 'languageSelect';
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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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select.appendChild(option);
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});
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select.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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return select;
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}
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initializeSocket() {
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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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console.log(`Initializing socket connection to Evie`);
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// Ensure apiKey is passed in the query parameters
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this.socket = io('https://evie.askeveai.com', {
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path: '/chat/socket.io/',
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transports: ['websocket', 'polling'],
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query: {
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tenantId: this.tenantId,
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apiKey: this.apiKey // Ensure apiKey is included here
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},
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auth: {
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token: 'Bearer ' + this.apiKey // Ensure token is included here
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},
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reconnectionAttempts: Infinity, // 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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console.log(`Finished initializing socket connection to Evie`);
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this.socket.on('connect', (data) => {
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console.log('Socket connected OK');
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console.log('Connect event data:', data);
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console.log('Connect event this:', this);
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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 && data.room) {
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this.room = data.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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this.socket.on('authenticated', (data) => {
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console.log('Authenticated event received');
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console.log('Authentication event data:', data);
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console.log('Authentication event this:', this);
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this.setStatusMessage('Authenticated.');
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if (data && data.token) {
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this.jwtToken = data.token;
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}
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if (data && data.room) {
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this.room = data.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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this.socket.on('connect_error', (err) => {
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console.error('Socket connection error:', err);
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this.setStatusMessage('EveAI Chat Widget needs further configuration by site administrator.');
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this.updateConnectionStatus(false);
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});
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this.socket.on('connect_timeout', () => {
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console.error('Socket connection timeout');
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this.setStatusMessage('EveAI Chat Widget needs further configuration by site administrator.');
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this.updateConnectionStatus(false);
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});
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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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});
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this.socket.on('reconnect_attempt', () => {
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console.log('Attempting to reconnect to the server...');
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this.setStatusMessage('Attempting to reconnect...');
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});
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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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this.socket.on('bot_response', (data) => {
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if (data.tenantId === this.tenantId) {
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console.log('Initial response received:', data);
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console.log('Task ID received:', data.taskId);
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this.checkTaskStatus(data.taskId);
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this.setStatusMessage('Processing...');
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}
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});
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this.socket.on('task_status', (data) => {
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console.log('Task status received:', data.status);
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console.log('Task ID received:', data.taskId);
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console.log('Citations type:', typeof data.citations, 'Citations:', data.citations);
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if (data.status === 'pending') {
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this.updateProgress();
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setTimeout(() => this.checkTaskStatus(data.taskId), 1000); // Poll every second
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} else if (data.status === 'success') {
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this.addBotMessage(data.answer, data.interaction_id, data.algorithm, data.citations);
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this.clearProgress(); // Clear progress indicator when done
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} else {
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this.setStatusMessage('Failed to process message.');
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}
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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.jwtToken) {
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console.error('JWT token is not available');
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return;
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}
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console.log('Sending message to backend');
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console.log(`Feedback for ${interactionId}: ${feedback}`);
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this.socket.emit('feedback', { tenantId: this.tenantId, token: this.jwtToken, feedback, interactionId });
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this.setStatusMessage('Feedback sent.');
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}
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addBotMessage(text, interactionId, algorithm = 'default', citations = []) {
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const message = document.createElement('div');
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message.classList.add('message', 'bot');
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let content = marked.parse(text);
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let citationsHtml = citations.map(url => `<a href="${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));
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thumbsDown.addEventListener('click', () => this.toggleFeedback(thumbsUp, thumbsDown, 'down', interactionId));
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this.messagesArea.scrollTop = this.messagesArea.scrollHeight;
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}
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toggleFeedback(thumbsUp, thumbsDown, feedback, interactionId) {
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console.log('feedback called');
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this.idleTime = 0; // Reset idle time
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if (feedback === 'up') {
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thumbsUp.textContent = 'thumb_up'; // Change to filled icon
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thumbsUp.classList.remove('outlined');
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thumbsUp.classList.add('filled');
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thumbsDown.textContent = 'thumb_down_off_alt'; // Keep the other icon outlined
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thumbsDown.classList.add('outlined');
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thumbsDown.classList.remove('filled');
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} else {
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thumbsDown.textContent = 'thumb_down'; // Change to filled icon
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thumbsDown.classList.remove('outlined');
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thumbsDown.classList.add('filled');
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thumbsUp.textContent = 'thumb_up_off_alt'; // Keep the other icon outlined
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thumbsUp.classList.add('outlined');
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thumbsUp.classList.remove('filled');
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}
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// Send feedback to the backend
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this.handleFeedback(feedback, interactionId);
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}
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handleSendMessage() {
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console.log('handleSendMessage called');
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this.idleTime = 0; // Reset idle time
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const message = this.questionInput.value.trim();
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if (message) {
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this.addUserMessage(message);
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this.questionInput.value = '';
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this.sendMessageToBackend(message);
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this.toggleSendButton(true); // Disable and change send button to filled version
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}
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}
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sendMessageToBackend(message) {
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console.log('sendMessageToBackend 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.jwtToken) {
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console.error('JWT token is not available');
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return;
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}
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const selectedLanguage = this.languageSelect.value;
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console.log('Sending message to backend');
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this.socket.emit('user_message', {
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tenantId: this.tenantId,
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token: this.jwtToken,
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message,
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language: selectedLanguage,
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timezone: this.userTimezone
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});
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this.setStatusMessage('Processing started ...')
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}
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toggleSendButton(isProcessing) {
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if (isProcessing) {
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this.sendButton.textContent = 'send'; // Filled send icon
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this.sendButton.classList.remove('outlined');
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this.sendButton.classList.add('filled');
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this.sendButton.classList.add('disabled'); // Add disabled class for styling
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this.sendButton.style.pointerEvents = 'none'; // Disable click events
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} else {
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this.sendButton.textContent = 'send'; // Outlined send icon
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this.sendButton.classList.add('outlined');
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this.sendButton.classList.remove('filled');
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this.sendButton.classList.remove('disabled'); // Remove disabled class
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this.sendButton.style.pointerEvents = 'auto'; // Re-enable click events
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}
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}
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}
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customElements.define('eveai-chat-widget', EveAIChatWidget);
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