472 lines
16 KiB
JavaScript
472 lines
16 KiB
JavaScript
// Configuração do Markdown parser personalizado com Highlight.js integrado
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const renderer = new marked.Renderer();
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// Função auxiliar para escapar caracteres HTML
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function escapeHtml(text) {
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return text
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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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.replace(/'/g, "'");
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}
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renderer.code = function(code, language) {
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// Ajuste para lidar com as diferenças na assinatura do marked.js
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const codeContent = typeof code === 'object' ? code.text : code;
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const lang = (typeof code === 'object' ? code.lang : language) || 'txt';
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return `
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<div class="code-container">
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<div class="code-header">
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<span class="code-lang">${lang}</span>
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<button class="btn-copy-code" onclick="copyCode(this)">
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<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor">
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<path stroke-linecap="round" stroke-linejoin="round" d="M15.75 17.25v3.375c0 .621-.504 1.125-1.125 1.125h-9.75a1.125 1.125 0 0 1-1.125-1.125V7.875c0-.621.504-1.125 1.125-1.125H5.25m11.9-3.664A2.251 2.251 0 0 0 15 2.25h-3a2.251 2.251 0 0 0-2.15 1.586m5.8 0c.065.21.1.433.1.664v.75h-6V4.5c0-.231.035-.454.1-.664M6.75 7.5H4.875c-.621 0-1.125.504-1.125 1.125v12c0 .621.504 1.125 1.125 1.125h9.75c.621 0 1.125-.504 1.125-1.125V16.5M16.5 9h3.75c.621 0 1.125.504 1.125 1.125v8.25c0 .621-.504 1.125-1.125 1.125H16.5m-3-12h3m-3 3h3M13.5 14.25h3" />
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</svg>
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<span>Copiar</span>
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</button>
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</div>
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<pre><code class="hljs language-${lang}">${escapeHtml(codeContent)}</code></pre>
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</div>
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`;
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};
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marked.use({ renderer });
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// Função global de copiar código para que funcione no onclick
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window.copyCode = function(button) {
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const container = button.closest('.code-container');
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const codeElement = container.querySelector('code');
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const textToCopy = codeElement.textContent;
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navigator.clipboard.writeText(textToCopy).then(() => {
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const textSpan = button.querySelector('span');
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const originalText = textSpan.textContent;
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textSpan.textContent = 'Copiado!';
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button.style.color = 'var(--success)';
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setTimeout(() => {
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textSpan.textContent = originalText;
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button.style.color = '';
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}, 2000);
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}).catch(err => {
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console.error('Erro ao copiar código:', err);
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});
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};
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document.addEventListener('DOMContentLoaded', () => {
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// Elementos do DOM
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const sidebar = document.getElementById('sidebar');
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const btnMenu = document.getElementById('btnMenu');
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const btnCloseSidebar = document.getElementById('btnCloseSidebar');
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const sidebarOverlay = document.getElementById('sidebarOverlay');
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const userInput = document.getElementById('userInput');
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const btnSend = document.getElementById('btnSend');
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const chatForm = document.getElementById('chatForm');
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const messagesContainer = document.getElementById('messagesContainer');
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const welcomeContainer = document.getElementById('welcomeContainer');
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const conversationList = document.getElementById('conversationList');
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const btnNewChat = document.getElementById('btnNewChat');
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const btnNewChatMobile = document.getElementById('btnNewChatMobile');
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const historyItems = document.getElementById('historyItems');
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const btnLogout = document.getElementById('btnLogout');
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const suggestionCards = document.querySelectorAll('.suggestion-card');
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// Variáveis de Estado
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let chats = JSON.parse(localStorage.getItem('camila_chats')) || [];
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let currentChatId = localStorage.getItem('camila_current_chat_id') || null;
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let isGenerating = false;
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// ==========================================================================
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// CONTROLES DE INTERFACE & SIDEBAR
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// ==========================================================================
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const toggleSidebar = (open) => {
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if (open) {
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sidebar.classList.add('open');
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} else {
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sidebar.classList.remove('open');
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}
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};
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btnMenu.addEventListener('click', () => toggleSidebar(true));
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btnCloseSidebar.addEventListener('click', () => toggleSidebar(false));
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sidebarOverlay.addEventListener('click', () => toggleSidebar(false));
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// Redimensionamento automático do Input de Texto (textarea)
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userInput.addEventListener('input', () => {
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userInput.style.height = 'auto';
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userInput.style.height = (userInput.scrollHeight - 4) + 'px';
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// Habilitar ou desabilitar botão
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btnSend.disabled = userInput.value.trim() === '' || isGenerating;
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});
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// Prevenir comportamento padrão do Enter no textarea (enviar em vez de quebrar linha, Shift+Enter para nova linha)
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userInput.addEventListener('keydown', (e) => {
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if (e.key === 'Enter' && !e.shiftKey) {
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e.preventDefault();
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if (userInput.value.trim() !== '' && !isGenerating) {
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chatForm.requestSubmit();
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}
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}
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});
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// ==========================================================================
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// HISTÓRICO DE CHATS (LOCALSTORAGE)
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// ==========================================================================
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const saveChats = () => {
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localStorage.setItem('camila_chats', JSON.stringify(chats));
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if (currentChatId) {
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localStorage.setItem('camila_current_chat_id', currentChatId);
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} else {
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localStorage.removeItem('camila_current_chat_id');
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}
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};
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const renderHistory = () => {
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historyItems.innerHTML = '';
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if (chats.length === 0) {
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historyItems.innerHTML = '<div style="color: var(--text-muted); font-size: 12px; padding: 10px; text-align: center;">Nenhum chat salvo</div>';
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return;
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}
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// Ordenar por timestamp mais recente
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const sortedChats = [...chats].sort((a, b) => b.updatedAt - a.updatedAt);
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sortedChats.forEach(chat => {
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const item = document.createElement('div');
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item.className = `history-item ${chat.id === currentChatId ? 'active' : ''}`;
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item.dataset.id = chat.id;
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item.innerHTML = `
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<div class="history-item-title">${escapeHtml(chat.title)}</div>
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<div class="history-item-actions">
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<button class="btn-history-action btn-delete-chat" aria-label="Excluir chat">
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<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor">
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<path stroke-linecap="round" stroke-linejoin="round" d="m14.74 9-.346 9m-4.788 0L9.26 9m9.968-3.21c.342.052.682.107 1.022.166m-1.022-.165L18.16 19.673a2.25 2.25 0 0 1-2.244 2.077H8.084a2.25 2.25 0 0 1-2.244-2.077L4.772 5.79m14.456 0a48.108 48.108 0 0 0-3.478-.397m-12 .562c.34-.059.68-.114 1.022-.165m0 0a48.11 48.11 0 0 1 3.478-.397m7.5 0v-.916c0-1.18-.91-2.164-2.09-2.201a51.964 51.964 0 0 0-3.32 0c-1.18.037-2.09 1.022-2.09 2.201v.916m7.5 0a48.667 48.667 0 0 0-7.5 0" />
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</svg>
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</button>
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</div>
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`;
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// Selecionar chat
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item.addEventListener('click', (e) => {
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if (e.target.closest('.btn-delete-chat')) {
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e.stopPropagation();
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deleteChat(chat.id);
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return;
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}
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selectChat(chat.id);
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toggleSidebar(false);
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});
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historyItems.appendChild(item);
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});
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};
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const selectChat = (id) => {
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currentChatId = id;
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const chat = chats.find(c => c.id === id);
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if (!chat) return;
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saveChats();
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renderHistory();
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// Ocultar welcome e renderizar as mensagens
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welcomeContainer.style.display = 'none';
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conversationList.innerHTML = '';
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chat.messages.forEach(msg => {
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appendMessageUI(msg.role, msg.content);
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});
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scrollToBottom();
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};
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const createNewChat = () => {
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if (isGenerating) return;
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currentChatId = null;
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localStorage.removeItem('camila_current_chat_id');
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welcomeContainer.style.display = 'flex';
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conversationList.innerHTML = '';
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userInput.value = '';
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userInput.style.height = 'auto';
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btnSend.disabled = true;
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renderHistory();
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};
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const deleteChat = (id) => {
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chats = chats.filter(c => c.id !== id);
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if (currentChatId === id) {
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currentChatId = null;
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createNewChat();
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} else {
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saveChats();
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renderHistory();
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}
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};
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btnNewChat.addEventListener('click', createNewChat);
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btnNewChatMobile.addEventListener('click', createNewChat);
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// ==========================================================================
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// FLUXO DO CHAT & RENDERIZAÇÃO
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// ==========================================================================
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const appendMessageUI = (role, content) => {
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const isUser = role === 'user';
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const row = document.createElement('div');
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row.className = `message-row ${role}`;
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const avatarHtml = isUser
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? `<div class="avatar user-avatar">U</div>`
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: `<div class="avatar bot-avatar bot-avatar-img-wrapper"><img src="assets/camila_prof.png" alt="Camila AI" class="bot-avatar-img"></div>`;
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let contentHtml = '';
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if (isUser) {
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contentHtml = `<p>${escapeHtml(content).replace(/\n/g, '<br>')}</p>`;
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} else {
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contentHtml = marked.parse(content);
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}
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row.innerHTML = `
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<div class="message-icon">${avatarHtml}</div>
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<div class="message-content">${contentHtml}</div>
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`;
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conversationList.appendChild(row);
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// Colorir blocos de código com Highlight.js
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row.querySelectorAll('pre code').forEach((block) => {
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hljs.highlightElement(block);
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});
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return row;
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};
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const scrollToBottom = () => {
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messagesContainer.scrollTop = messagesContainer.scrollHeight;
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};
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// Função principal de envio de mensagens
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const handleSendMessage = async (text) => {
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if (!text || isGenerating) return;
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isGenerating = true;
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btnSend.disabled = true;
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userInput.disabled = true;
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userInput.value = '';
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userInput.style.height = 'auto';
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// Ocultar tela de boas-vindas se for a primeira mensagem
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if (welcomeContainer.style.display !== 'none') {
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welcomeContainer.style.display = 'none';
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}
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// Criar o chat se for novo
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if (!currentChatId) {
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const newId = 'chat_' + Date.now();
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const firstLine = text.split('\n')[0];
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const title = firstLine.length > 26 ? firstLine.substring(0, 26) + '...' : firstLine;
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chats.push({
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id: newId,
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title: title,
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messages: [],
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createdAt: Date.now(),
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updatedAt: Date.now()
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});
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currentChatId = newId;
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}
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// Achar o chat atual no estado
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const chat = chats.find(c => c.id === currentChatId);
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if (!chat) return;
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// Adicionar mensagem do usuário no estado e na tela
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const userMsg = { role: 'user', content: text };
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chat.messages.push(userMsg);
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chat.updatedAt = Date.now();
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appendMessageUI('user', text);
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scrollToBottom();
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// Salvar estado temporário do chat
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saveChats();
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renderHistory();
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// Criar container para a resposta do bot (Camila AI) na tela
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const botRow = document.createElement('div');
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botRow.className = 'message-row assistant';
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botRow.innerHTML = `
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<div class="message-icon">
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<div class="avatar bot-avatar bot-avatar-img-wrapper"><img src="assets/camila_prof.png" alt="Camila AI" class="bot-avatar-img"></div>
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</div>
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<div class="message-content">
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<span class="typing-cursor"></span>
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</div>
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`;
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conversationList.appendChild(botRow);
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scrollToBottom();
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const botContentDiv = botRow.querySelector('.message-content');
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let assistantContent = '';
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try {
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// Filtrar mensagens para enviar apenas o histórico necessário ao OpenRouter
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const messagesPayload = chat.messages.map(m => ({ role: m.role, content: m.content }));
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// Fazer a chamada HTTP usando stream
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const response = await fetch('/api/chat', {
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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({ messages: messagesPayload })
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});
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if (!response.ok) {
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throw new Error('Falha na resposta do servidor');
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}
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// Processar stream de dados (SSE)
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const reader = response.body.getReader();
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const decoder = new TextDecoder('utf-8');
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let buffer = '';
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while (true) {
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const { done, value } = await reader.read();
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if (done) break;
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buffer += decoder.decode(value, { stream: true });
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const lines = buffer.split('\n');
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// Deixar a última parte inacabada no buffer
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buffer = lines.pop();
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for (const line of lines) {
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const cleanLine = line.trim();
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if (cleanLine.startsWith('data: ')) {
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const dataContent = cleanLine.slice(6);
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if (dataContent === '[DONE]') {
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continue;
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}
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try {
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const parsed = JSON.parse(dataContent);
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if (parsed.content) {
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assistantContent += parsed.content;
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// Renderizar markdown em progresso (com o cursor no final)
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botContentDiv.innerHTML = marked.parse(assistantContent) + '<span class="typing-cursor"></span>';
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// Colorir códigos em tempo real
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botContentDiv.querySelectorAll('pre code').forEach((block) => {
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hljs.highlightElement(block);
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});
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scrollToBottom();
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}
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} catch (err) {
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// Ignorar erros de JSON incompletos do buffer
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}
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}
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}
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}
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// Remover o cursor de digitação no final
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const cursor = botContentDiv.querySelector('.typing-cursor');
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if (cursor) cursor.remove();
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// Parse final limpo do markdown
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botContentDiv.innerHTML = marked.parse(assistantContent);
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botContentDiv.querySelectorAll('pre code').forEach((block) => {
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hljs.highlightElement(block);
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});
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scrollToBottom();
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// Salvar resposta no estado e localStorage
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const assistantMsg = { role: 'assistant', content: assistantContent };
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chat.messages.push(assistantMsg);
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chat.updatedAt = Date.now();
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saveChats();
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renderHistory();
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} catch (error) {
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console.error('Erro na resposta do chat:', error);
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const cursor = botContentDiv.querySelector('.typing-cursor');
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if (cursor) cursor.remove();
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botContentDiv.innerHTML += `
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<p style="color: var(--error); margin-top: 8px; font-size: 13.5px; display: flex; align-items: center; gap: 6px;">
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<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" style="width: 16px; height: 16px;">
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<path stroke-linecap="round" stroke-linejoin="round" d="M12 9v3.75m9-.75a9 9 0 1 1-18 0 9 9 0 0 1 18 0Zm-9 3.75h.008v.008H12v-.008Z" />
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</svg>
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Desculpe, ocorreu um erro ao obter resposta da Camila AI. Por favor, tente novamente.
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</p>
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`;
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scrollToBottom();
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} finally {
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isGenerating = false;
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btnSend.disabled = userInput.value.trim() === '';
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userInput.disabled = false;
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userInput.focus();
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}
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};
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// Envio pelo Formulário
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chatForm.addEventListener('submit', (e) => {
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e.preventDefault();
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const text = userInput.value.trim();
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handleSendMessage(text);
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});
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// Sugestões de Prompt Rápidas
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suggestionCards.forEach(card => {
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card.addEventListener('click', () => {
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const prompt = card.dataset.prompt;
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if (prompt) {
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handleSendMessage(prompt);
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}
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});
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});
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// ==========================================================================
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// LOGOUT & INICIALIZAÇÃO
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// ==========================================================================
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btnLogout.addEventListener('click', async () => {
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try {
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const response = await fetch('/api/logout', {
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method: 'POST'
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});
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if (response.ok) {
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window.location.href = '/login';
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}
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} catch (error) {
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console.error('Erro ao fazer logout:', error);
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}
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});
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// Inicializar interface
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if (currentChatId) {
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// Tenta carregar o chat ativo
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const activeChat = chats.find(c => c.id === currentChatId);
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if (activeChat) {
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selectChat(currentChatId);
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} else {
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createNewChat();
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}
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} else {
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createNewChat();
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}
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});
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