- Agrega TTS (speechSynthesis) a chat.js del POS para leer respuestas IA - Copia lógica de voz completa (STT + TTS) a dashboard/chat-public.js - Extiende estilos TTS en chat.css y chat-public.css - Agrega chat widget a 13 templates POS que no lo tenían - Corrige duplicado de chat.css en diagrams.html - Minifica assets actualizados - 73/73 tests pasan
332 lines
10 KiB
JavaScript
332 lines
10 KiB
JavaScript
// /home/Autopartes/dashboard/chat-public.js
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// Public catalog chatbot — voice + TTS enabled
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(function () {
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'use strict';
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var isOpen = false;
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var isSending = false;
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var isListening = false;
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var recognition = null;
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var history = [];
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var ttsEnabled = true;
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var ttsUtterance = null;
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var hasSpeechAPI = ('webkitSpeechRecognition' in window || 'SpeechRecognition' in window);
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var hasTTS = ('speechSynthesis' in window);
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function init() {
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var fab = document.createElement('button');
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fab.className = 'chat-fab';
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fab.id = 'chatFab';
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fab.title = 'Asistente IA';
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fab.innerHTML = '💬';
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fab.setAttribute('aria-label', 'Abrir asistente IA');
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var panel = document.createElement('div');
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panel.className = 'chat-panel';
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panel.id = 'chatPanel';
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panel.innerHTML =
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'<div class="chat-header">' +
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'<h3>Asistente — Buscar partes</h3>' +
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'<div class="chat-header-actions">' +
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(hasTTS ? '<button class="chat-tts-toggle" id="chatTtsToggle" aria-label="Activar lectura de respuestas" title="Activar lectura de respuestas">🔊</button>' : '') +
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'<button class="chat-header-close" id="chatClose" aria-label="Cerrar">×</button>' +
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'</div>' +
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'</div>' +
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'<div class="chat-messages" id="chatMessages">' +
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'<div class="chat-msg ai">Hola, soy el asistente de Nexus Autoparts. Dime que refaccion buscas y te ayudo a encontrarla en el catalogo.</div>' +
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'<div class="chat-typing" id="chatTyping"><span></span><span></span><span></span></div>' +
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'</div>' +
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'<div class="chat-input-area">' +
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'<textarea class="chat-input" id="chatInput" placeholder="Ej: Balatas para Tsuru 2015..." rows="1"></textarea>' +
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(hasSpeechAPI ? '<button class="chat-mic-btn" id="chatMic" aria-label="Entrada por voz" title="Entrada por voz">🎤</button>' : '') +
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'<button class="chat-send-btn" id="chatSend" aria-label="Enviar">▶</button>' +
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'</div>';
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document.body.appendChild(fab);
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document.body.appendChild(panel);
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fab.addEventListener('click', toggleChat);
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document.getElementById('chatClose').addEventListener('click', toggleChat);
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document.getElementById('chatSend').addEventListener('click', sendMessage);
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document.getElementById('chatInput').addEventListener('keydown', function (e) {
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if (e.key === 'Enter' && !e.shiftKey) {
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e.preventDefault();
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sendMessage();
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}
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});
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document.getElementById('chatInput').addEventListener('input', function () {
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this.style.height = 'auto';
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this.style.height = Math.min(this.scrollHeight, 80) + 'px';
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});
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if (hasSpeechAPI) {
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document.getElementById('chatMic').addEventListener('click', toggleVoice);
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}
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if (hasTTS) {
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document.getElementById('chatTtsToggle').addEventListener('click', toggleTTS);
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}
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// Stop TTS when closing chat
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document.getElementById('chatClose').addEventListener('click', function () {
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if (hasTTS) stopSpeaking();
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});
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}
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// ─── TTS ───
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function toggleTTS() {
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ttsEnabled = !ttsEnabled;
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var btn = document.getElementById('chatTtsToggle');
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if (btn) {
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btn.classList.toggle('off', !ttsEnabled);
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btn.setAttribute('title', ttsEnabled ? 'Desactivar lectura de respuestas' : 'Activar lectura de respuestas');
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}
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if (!ttsEnabled) stopSpeaking();
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}
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function speak(text) {
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if (!hasTTS || !ttsEnabled || !text) return;
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stopSpeaking();
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ttsUtterance = new SpeechSynthesisUtterance(text);
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ttsUtterance.lang = 'es-MX';
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ttsUtterance.rate = 1.1;
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ttsUtterance.pitch = 1;
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window.speechSynthesis.speak(ttsUtterance);
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}
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function stopSpeaking() {
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if (hasTTS && window.speechSynthesis.speaking) {
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window.speechSynthesis.cancel();
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}
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ttsUtterance = null;
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}
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// ─── Voice Input ───
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function toggleVoice() {
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if (isListening) { stopVoice(); return; }
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startVoice();
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}
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function startVoice() {
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var SpeechRecognition = window.SpeechRecognition || window.webkitSpeechRecognition;
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if (!SpeechRecognition) return;
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recognition = new SpeechRecognition();
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recognition.lang = 'es-MX';
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recognition.continuous = false;
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recognition.interimResults = true;
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var input = document.getElementById('chatInput');
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var micBtn = document.getElementById('chatMic');
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var savedPlaceholder = input.placeholder;
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recognition.onstart = function () {
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isListening = true;
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micBtn.classList.add('listening');
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input.placeholder = 'Escuchando...';
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input.value = '';
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stopSpeaking();
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};
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recognition.onresult = function (e) {
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var interim = '';
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var finalTranscript = '';
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for (var i = e.resultIndex; i < e.results.length; i++) {
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if (e.results[i].isFinal) {
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finalTranscript += e.results[i][0].transcript;
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} else {
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interim += e.results[i][0].transcript;
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}
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}
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if (finalTranscript) {
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input.value = finalTranscript;
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} else {
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input.value = interim;
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}
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};
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recognition.onend = function () {
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isListening = false;
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micBtn.classList.remove('listening');
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input.placeholder = savedPlaceholder;
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recognition = null;
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if (input.value.trim()) {
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sendMessage();
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}
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};
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recognition.onerror = function (e) {
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isListening = false;
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micBtn.classList.remove('listening');
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input.placeholder = savedPlaceholder;
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recognition = null;
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if (e.error === 'no-speech' || e.error === 'audio-capture' || e.error === 'not-allowed') {
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showVoiceToast('No se detecto voz');
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}
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};
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recognition.start();
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}
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function stopVoice() {
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if (recognition) {
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recognition.abort();
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recognition = null;
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}
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isListening = false;
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var micBtn = document.getElementById('chatMic');
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if (micBtn) micBtn.classList.remove('listening');
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}
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function showVoiceToast(msg) {
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var toast = document.createElement('div');
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toast.className = 'chat-voice-toast';
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toast.textContent = msg;
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document.body.appendChild(toast);
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setTimeout(function () { toast.classList.add('visible'); }, 10);
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setTimeout(function () {
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toast.classList.remove('visible');
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setTimeout(function () { toast.remove(); }, 300);
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}, 2000);
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}
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// ─── Chat UI ───
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function toggleChat() {
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isOpen = !isOpen;
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var panel = document.getElementById('chatPanel');
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var fab = document.getElementById('chatFab');
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if (isOpen) {
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panel.classList.add('open');
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fab.style.display = 'none';
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document.getElementById('chatInput').focus();
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} else {
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panel.classList.remove('open');
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fab.style.display = 'flex';
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}
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}
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function sendMessage() {
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if (isSending) return;
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var input = document.getElementById('chatInput');
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var text = input.value.trim();
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if (!text) return;
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input.value = '';
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input.style.height = 'auto';
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addBubble(text, 'user');
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history.push({ role: 'user', content: text });
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if (history.length > 20) history.splice(0, 2);
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isSending = true;
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document.getElementById('chatSend').disabled = true;
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showTyping(true);
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fetch('/api/chat', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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message: text,
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history: history.slice(-10)
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})
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})
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.then(function (resp) { return resp.json(); })
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.then(function (data) {
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if (data.error) {
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addBubble('Error: ' + data.error, 'ai');
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return;
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}
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var aiMsg = data.response || 'Sin respuesta.';
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addBubble(aiMsg, 'ai');
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history.push({ role: 'assistant', content: aiMsg });
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if (ttsEnabled) speak(aiMsg);
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if (data.search_results && data.search_results.length > 0) {
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addPartResults(data.search_results);
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}
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})
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.catch(function (err) {
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addBubble('Error de conexion: ' + err.message, 'ai');
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})
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.finally(function () {
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isSending = false;
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document.getElementById('chatSend').disabled = false;
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showTyping(false);
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});
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}
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function addBubble(text, role) {
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var container = document.getElementById('chatMessages');
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var typing = document.getElementById('chatTyping');
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var div = document.createElement('div');
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div.className = 'chat-msg ' + role;
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div.textContent = text;
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container.insertBefore(div, typing);
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scrollToBottom();
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}
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function addPartResults(parts) {
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var container = document.getElementById('chatMessages');
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var typing = document.getElementById('chatTyping');
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var wrapper = document.createElement('div');
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wrapper.className = 'chat-parts';
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parts.slice(0, 8).forEach(function (p) {
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var card = document.createElement('div');
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card.className = 'chat-part-card';
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var name = p.name_es || p.name_part || '';
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var partNum = p.oem_part_number || p.part_number || '';
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var brand = p.brand || '';
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card.innerHTML =
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'<div class="part-number">' + esc(partNum) + '</div>' +
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'<div class="part-name">' + esc(name) + (brand ? ' <span style="color:var(--color-text-muted);">(' + esc(brand) + ')</span>' : '') + '</div>';
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card.style.cursor = 'pointer';
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card.addEventListener('click', function () {
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var searchInput = document.getElementById('searchInput');
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if (searchInput && partNum) {
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searchInput.value = partNum;
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if (typeof window.doSearch === 'function') window.doSearch();
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toggleChat();
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}
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});
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wrapper.appendChild(card);
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});
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container.insertBefore(wrapper, typing);
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scrollToBottom();
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}
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function showTyping(show) {
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var el = document.getElementById('chatTyping');
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if (el) el.classList.toggle('visible', show);
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if (show) scrollToBottom();
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}
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function scrollToBottom() {
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var el = document.getElementById('chatMessages');
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if (el) el.scrollTop = el.scrollHeight;
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}
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function esc(s) {
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if (!s) return '';
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var d = document.createElement('div');
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d.textContent = s;
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return d.innerHTML;
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}
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if (document.readyState === 'loading') {
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document.addEventListener('DOMContentLoaded', init);
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} else {
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init();
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}
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})();
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