Akshay4506
2 months ago
parent
9a5975ff97
commit
878f27d9fd
@ -1,94 +1,151 @@
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// Replace placeholder JS with chat UI client logic
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// Handles sending messages to backend and updating the UI
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(function(){
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const messagesEl = document.getElementById('messages');
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const form = document.getElementById('composer');
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const input = document.getElementById('input');
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const sendBtn = document.getElementById('send');
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const BASE_URL = "https://automatic-space-funicular-954qxp96rgcqjq-5000.app.github.dev/";
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const API_ENDPOINT = `${BASE_URL}/hello`; // adjust if your backend runs elsewhere
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function escapeHtml(str){
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if(!str) return '';
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return str.replace(/&/g,'&')
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.replace(/</g,'<')
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.replace(/>/g,'>')
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.replace(/"/g,'"')
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.replace(/'/g,''');
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}
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function formatText(text){
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return escapeHtml(text).replace(/\n/g,'<br>');
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}
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function scrollToBottom(){
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messagesEl.scrollTop = messagesEl.scrollHeight;
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}
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function appendMessage(role, text){
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const el = document.createElement('div');
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el.className = 'message ' + role;
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el.innerHTML = `<div class="content">${formatText(text)}</div><small>${new Date().toLocaleTimeString()}</small>`;
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messagesEl.appendChild(el);
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scrollToBottom();
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return el;
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}
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function createTyping(){
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const el = document.createElement('div');
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el.className = 'message ai';
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const typing = document.createElement('div');
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typing.className = 'typing';
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for(let i=0;i<3;i++){ const d = document.createElement('span'); d.className = 'dot'; typing.appendChild(d); }
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el.appendChild(typing);
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messagesEl.appendChild(el);
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scrollToBottom();
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return el;
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}
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async function sendToApi(text){
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const res = await fetch(API_ENDPOINT, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ message: text })
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(function () {
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const messagesEl = document.getElementById('messages');
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const form = document.getElementById('composer');
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const input = document.getElementById('input');
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const sendBtn = document.getElementById('send');
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const BASE_URL = "http://127.0.0.1:5000/";
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const API_ENDPOINT = `${BASE_URL}/hello`;
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// Dynamic Send Button Logic: Enable/Disable based on input text
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input.addEventListener('input', () => {
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sendBtn.disabled = input.value.trim().length === 0;
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});
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if(!res.ok) throw new Error('Network response was not ok');
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let json = await res.json();
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return json.response;
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}
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form.addEventListener('submit', async (e) => {
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e.preventDefault();
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const text = input.value.trim();
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if(!text) return;
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appendMessage('user', text);
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input.value = '';
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input.focus();
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sendBtn.disabled = true;
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const typingEl = createTyping();
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try{
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const reply = await sendToApi(text);
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typingEl.remove();
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appendMessage('ai', reply || '(no response)');
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}catch(err){
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typingEl.remove();
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appendMessage('ai', 'Error: ' + err.message);
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console.error(err);
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}finally{
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sendBtn.disabled = false;
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// --- CHAT FUNCTIONS ---
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function escapeHtml(str) {
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if (!str) return '';
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return str.replace(/&/g, '&')
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.replace(/</g, '<')
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.replace(/>/g, '>').replace(/"/g, '"')
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.replace(/'/g, ''');
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}
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function formatText(text) {
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return escapeHtml(text).replace(/\n/g, '<br>');
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}
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});
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// Enter to send, Shift+Enter for newline
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input.addEventListener('keydown', (e) => {
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if(e.key === 'Enter' && !e.shiftKey){
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e.preventDefault();
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form.dispatchEvent(new Event('submit', { cancelable: true }));
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function scrollToBottom() {
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messagesEl.scrollTop = messagesEl.scrollHeight;
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}
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});
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// Small welcome message
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appendMessage('ai', 'Hello! I\'m your AI assistant. Ask me anything.');
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// Message control handlers (Copy/Delete)
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function handleDelete(messageEl) {
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if (messageEl) {
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messageEl.remove();
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}
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}
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function handleCopy(text) {
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const tempTextArea = document.createElement('textarea');
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tempTextArea.value = text.replace(/<br>/g, '\n');
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document.body.appendChild(tempTextArea);
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tempTextArea.select();
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try {
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document.execCommand('copy');
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} catch (err) {
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console.error('Could not copy text: ', err);
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}
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document.body.removeChild(tempTextArea);
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}
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function appendMessage(role, text) {
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const el = document.createElement('div');
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el.className = 'message ' + role;
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const contentDiv = document.createElement('div');
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contentDiv.className = 'content';
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const formattedText = formatText(text);
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contentDiv.innerHTML = formattedText;
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const smallEl = document.createElement('small');
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smallEl.textContent = new Date().toLocaleTimeString();
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el.appendChild(contentDiv);
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el.appendChild(smallEl);
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// Add Controls (AI messages get copy/delete)
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if (role === 'ai') {
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const controls = document.createElement('div');
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controls.className = 'controls';
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const copyBtn = document.createElement('button');
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copyBtn.innerHTML = '<i class="fas fa-copy"></i>';
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copyBtn.title = 'Copy message content';
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copyBtn.onclick = () => handleCopy(text);
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const deleteBtn = document.createElement('button');
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deleteBtn.innerHTML = '<i class="fas fa-trash-alt"></i>';
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deleteBtn.title = 'Delete message';
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deleteBtn.onclick = () => handleDelete(el);
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controls.appendChild(copyBtn);
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controls.appendChild(deleteBtn);
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el.appendChild(controls);
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}
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messagesEl.appendChild(el);
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scrollToBottom();
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return el;
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}
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function createTyping() {
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const el = document.createElement('div');
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el.className = 'message ai';
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const typing = document.createElement('div');
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typing.className = 'typing';
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for (let i = 0; i < 3; i++) { const d = document.createElement('span'); d.className = 'dot'; typing.appendChild(d); }
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el.appendChild(typing);
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messagesEl.appendChild(el);
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scrollToBottom();
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return el;
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}
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async function sendToApi(text) {
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const res = await fetch(API_ENDPOINT, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ message: text })
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});
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if (!res.ok) throw new Error('Network response was not ok');
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let json = await res.json();
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return json.response;
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}
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form.addEventListener('submit', async (e) => {
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e.preventDefault();
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const text = input.value.trim();
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if (!text) return;
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appendMessage('user', text);
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input.value = '';
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sendBtn.disabled = true;
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input.focus();
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const typingEl = createTyping();
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try {
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const reply = await sendToApi(text);
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typingEl.remove();
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appendMessage('ai', reply || '(no response)');
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} catch (err) {
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typingEl.remove();
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// Display exact error message: "Error: Failed to fetch"
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appendMessage('ai', 'Error: '+err.message);
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console.error(err);
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} finally {
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sendBtn.disabled = input.value.trim().length === 0;
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}
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});
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// Enter to send, Shift+Enter for newline
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input.addEventListener('keydown', (e) => {
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if (e.key === 'Enter' && !e.shiftKey) {
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e.preventDefault();
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form.dispatchEvent(new Event('submit', { cancelable: true }));
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}
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});
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// Small welcome message
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appendMessage('ai', 'Hello! I\'m your AI assistant. Ask me anything.');
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})();
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