update
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429
Profice WebSite/scripts/chat.js
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429
Profice WebSite/scripts/chat.js
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/**
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* KI Chat Widget - Functional Chat Interface
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* Integrates with existing chat widget in KI Chat card
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* Connects to N8N webhook via send.php
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*/
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class KIChat {
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constructor() {
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this.sessionId = this.generateSessionId();
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this.isTyping = false;
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this.messages = [];
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this.init();
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}
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init() {
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this.bindEvents();
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this.loadChatHistory();
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this.setupExistingChat();
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}
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generateSessionId() {
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return 'chat_' + Date.now() + '_' + Math.random().toString(36).substr(2, 9);
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}
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bindEvents() {
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// Chat button clicks
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const chatBtn = document.getElementById('chatBtn');
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const interactionBtn = document.querySelector('#chatInteraction .interaction-btn');
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if (chatBtn) {
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chatBtn.addEventListener('click', () => this.scrollToChat());
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}
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if (interactionBtn) {
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interactionBtn.addEventListener('click', () => this.focusInput());
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}
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// Send message on Enter in existing chat
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const existingInput = document.querySelector('#chatInteraction .chat-input');
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if (existingInput) {
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existingInput.addEventListener('keypress', (e) => {
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if (e.key === 'Enter') {
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e.preventDefault();
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this.sendMessage();
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}
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});
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}
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// Send button click
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const sendBtn = document.querySelector('#chatInteraction .chat-send');
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if (sendBtn) {
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sendBtn.addEventListener('click', () => this.sendMessage());
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}
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}
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setupExistingChat() {
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const chatMessages = document.querySelector('#chatInteraction .chat-messages');
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const chatInput = document.querySelector('#chatInteraction .chat-input');
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const sendBtn = document.querySelector('#chatInteraction .chat-send');
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// Add click event listener to the send button
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if (sendBtn) {
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sendBtn.addEventListener('click', () => this.sendMessage());
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}
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// Add welcome message
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if (this.messages.length === 0 && chatMessages) {
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this.addMessage('ki', 'Hallo! Ich bin Ihr KI-Assistent. Wie kann ich Ihnen helfen?');
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}
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this.updateChatDisplay();
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}
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scrollToChat() {
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const chatInteraction = document.getElementById('chatInteraction');
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if (chatInteraction) {
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chatInteraction.scrollIntoView({ behavior: 'smooth', block: 'center' });
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setTimeout(() => this.focusInput(), 500);
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}
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}
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focusInput() {
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const inputField = document.querySelector('#chatInteraction .chat-input');
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if (inputField) {
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inputField.focus();
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}
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}
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addMessage(sender, text, timestamp = Date.now()) {
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this.messages.push({
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sender: sender,
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text: text,
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timestamp: timestamp
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});
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// Keep only last 50 messages
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if (this.messages.length > 50) {
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this.messages = this.messages.slice(-50);
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}
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this.saveChatHistory();
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this.updateChatDisplay();
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}
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updateChatDisplay() {
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const chatMessages = document.querySelector('#chatInteraction .chat-messages');
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if (chatMessages) {
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// Clear existing messages except typing indicator
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const typingIndicator = chatMessages.querySelector('.typing-indicator');
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chatMessages.innerHTML = '';
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// Add all messages
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this.messages.forEach(msg => {
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const messageDiv = document.createElement('div');
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messageDiv.className = `chat-message ${msg.sender}`;
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messageDiv.innerHTML = `
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<div class="message-content">${this.escapeHtml(msg.text)}</div>
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<div class="message-time">${this.formatTime(msg.timestamp)}</div>
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`;
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chatMessages.appendChild(messageDiv);
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});
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// Re-add typing indicator if needed
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if (typingIndicator && this.isTyping) {
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chatMessages.appendChild(typingIndicator);
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}
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this.scrollToBottom();
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}
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}
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async sendMessage() {
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const inputField = document.querySelector('#chatInteraction .chat-input');
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const message = inputField?.value?.trim();
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if (!message || this.isTyping) return;
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// Add user message
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this.addMessage('user', message);
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inputField.value = '';
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// Show typing indicator
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this.showTypingIndicator();
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this.isTyping = true;
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try {
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const response = await fetch('scripts/add/send.php', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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},
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body: JSON.stringify({
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type: 'chat',
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message: message,
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session_id: this.sessionId
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})
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});
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const data = await response.json();
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if (data.success) {
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this.addMessage('ki', data.data.ai_response, data.data.timestamp);
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} else {
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this.addMessage('ki', 'Entschuldigung, es gab ein Problem. Bitte versuchen Sie es später erneut.');
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}
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} catch (error) {
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console.error('Chat error:', error);
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this.addMessage('ki', 'Verbindung zum Server fehlgeschlagen. Bitte überprüfen Sie Ihre Internetverbindung.');
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} finally {
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this.hideTypingIndicator();
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this.isTyping = false;
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}
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}
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showTypingIndicator() {
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const chatMessages = document.querySelector('#chatInteraction .chat-messages');
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if (chatMessages && !chatMessages.querySelector('.typing-indicator')) {
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const typingHTML = `
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<div class="chat-message ki typing">
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<div class="message-content">
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<div class="typing-indicator">
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<span></span>
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<span></span>
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<span></span>
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</div>
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</div>
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</div>
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`;
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chatMessages.insertAdjacentHTML('beforeend', typingHTML);
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this.scrollToBottom();
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}
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}
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hideTypingIndicator() {
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const typingIndicator = document.querySelector('#chatInteraction .typing');
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if (typingIndicator) {
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typingIndicator.remove();
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}
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}
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scrollToBottom() {
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const chatMessages = document.querySelector('#chatInteraction .chat-messages');
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if (chatMessages) {
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chatMessages.scrollTop = chatMessages.scrollHeight;
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}
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}
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saveChatHistory() {
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try {
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localStorage.setItem(`ki_chat_${this.sessionId}`, JSON.stringify(this.messages));
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} catch (e) {
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console.warn('Could not save chat history:', e);
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}
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}
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loadChatHistory() {
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try {
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const saved = localStorage.getItem(`ki_chat_${this.sessionId}`);
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if (saved) {
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this.messages = JSON.parse(saved);
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}
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} catch (e) {
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console.warn('Could not load chat history:', e);
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}
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}
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formatTime(timestamp) {
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const date = new Date(timestamp);
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return date.toLocaleTimeString('de-DE', {
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hour: '2-digit',
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minute: '2-digit'
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});
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}
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escapeHtml(text) {
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const div = document.createElement('div');
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div.textContent = text;
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return div.innerHTML;
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}
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}
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// Initialize chat when DOM is ready
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document.addEventListener('DOMContentLoaded', () => {
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window.kiChat = new KIChat();
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});
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// Add CSS for enhanced chat functionality
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const chatStyles = `
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#chatInteraction {
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display: flex;
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flex-direction: column;
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gap: 15px;
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}
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#chatInteraction h3 {
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margin: 0;
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font-size: 24px;
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color: var(--primary-dark);
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text-align: center;
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}
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#chatInteraction p {
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margin: 0;
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color: var(--primary-mid);
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text-align: center;
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font-size: 16px;
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line-height: 1.5;
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}
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#chatInteraction .card-visual {
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height: 400px;
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}
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#chatInteraction .chat-window {
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width: 100%;
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height: 400px;
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background: white;
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border-radius: 12px;
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box-shadow: 0 4px 20px rgba(79, 71, 71, 0.1);
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display: flex;
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flex-direction: column;
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overflow: hidden;
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}
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#chatInteraction .chat-header {
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background: linear-gradient(135deg, var(--accent-teal), var(--accent-green));
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color: white;
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padding: 15px 20px;
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font-weight: 600;
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font-size: 16px;
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}
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#chatInteraction .chat-messages {
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flex: 1;
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padding: 20px;
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overflow-y: auto !important;
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background: transparent;
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max-height: 300px !important;
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display: flex;
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flex-direction: column;
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gap: 12px;
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min-height: 0;
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align-items: flex-start;
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justify-content: flex-start;
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}
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#chatInteraction .chat-message {
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display: flex;
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width: 100%;
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background: transparent;
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}
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#chatInteraction .chat-message.user {
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justify-content: flex-end;
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}
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#chatInteraction .chat-message.ki {
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justify-content: flex-start;
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}
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#chatInteraction .message-content {
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background: transparent;
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padding: 12px 16px;
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border-radius: 16px;
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box-shadow: none;
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word-wrap: break-word;
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line-height: 1.4;
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max-width: 70%;
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display: inline-block;
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text-align: left;
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}
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#chatInteraction .chat-message.user .message-content {
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background: var(--accent-green);
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color: white;
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}
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#chatInteraction .chat-message.ki .message-content {
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background: var(--accent-green);
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color: white;
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}
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#chatInteraction .message-time {
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font-size: 10px;
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color: #666;
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margin-top: 4px;
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padding: 0 16px;
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}
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#chatInteraction .chat-message.ki .message-time {
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text-align: left;
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}
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#chatInteraction .chat-message.user .message-time {
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text-align: right;
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}
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#chatInteraction .chat-input-container .interaction-btn {
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flex-shrink: 0;
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padding: 12px 20px;
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font-size: 14px;
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}
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#chatInteraction .chat-send {
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background: var(--accent-teal);
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color: white;
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border: none;
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border-radius: 50%;
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width: 45px;
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height: 45px;
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display: flex;
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align-items: center;
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justify-content: center;
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cursor: pointer;
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transition: all 0.3s ease;
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flex-shrink: 0;
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padding: 0;
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margin-left: 8px;
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box-shadow: 0 2px 8px rgba(38, 166, 154, 0.3);
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}
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#chatInteraction .chat-send:hover {
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background: #1e8e82;
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transform: scale(1.05);
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box-shadow: 0 4px 12px rgba(38, 166, 154, 0.4);
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}
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#chatInteraction .chat-send:active {
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transform: scale(0.95);
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}
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#chatInteraction .chat-send img {
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width: 22px;
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height: 22px;
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filter: brightness(0) invert(1);
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object-fit: contain;
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}
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/* Responsive adjustments */
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@media (max-width: 768px) {
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#chatInteraction .card-visual {
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min-height: 350px;
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}
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#chatInteraction .chat-messages {
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min-height: 200px;
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padding: 15px;
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}
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#chatInteraction .chat-input-container {
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padding: 12px 15px;
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}
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#chatInteraction .chat-input {
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padding: 10px 14px;
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}
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#chatInteraction .chat-send {
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padding: 10px 16px;
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font-size: 13px;
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}
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}
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`;
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// Inject CSS
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const styleSheet = document.createElement('style');
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styleSheet.textContent = chatStyles;
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document.head.appendChild(styleSheet);
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