speakeasy/index.html at main · bob798/speakeasy · GitHub

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<!DOCTYPE html>
<html lang="zh">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Speakeasy — Chat with Alex</title>
  <link rel="preconnect" href="https://fonts.googleapis.com" />
  <link href="https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;1,400&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500&display=swap" rel="stylesheet" />
  <style>
    :root {
      --cream:       #f5f0e8;
      --cream-dark:  #e8e0d0;
      --cream-panel: #f0ead8;
      --ink:         #28200f;
      --ink-mid:     #5a5040;
      --ink-light:   #9a8e7a;
      --sage:        #6b9478;
      --sage-dark:   #4e7a5c;
      --sage-pale:   #d4e8da;
      --white:       #ffffff;
      --shadow-sm:   0 1px 4px rgba(40,32,15,0.07);
      --shadow-md:   0 4px 16px rgba(40,32,15,0.10);
      --r-bubble:    20px;
      --r-panel:     16px;
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    html, body {
      height: 100%;
      background: var(--cream);
      color: var(--ink);
      font-family: 'DM Sans', sans-serif;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

    /* ═══════════════════════════════════════
       APP SHELL — desktop two-column layout
    ═══════════════════════════════════════ */
    .app {
      display: grid;
      grid-template-columns: 280px 1fr;
      grid-template-rows: 100vh;
      height: 100vh;
      max-width: 1200px;
      margin: 0 auto;
    }

    /* ── Left Panel ── */
    .panel {
      background: var(--cream-panel);
      border-right: 1px solid var(--cream-dark);
      display: flex;
      flex-direction: column;
      padding: 32px 24px;
      gap: 32px;
      overflow-y: auto;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-avatar {
      width: 48px;
      height: 48px;
      background: linear-gradient(135deg, var(--sage) 0%, var(--sage-dark) 100%);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      box-shadow: var(--shadow-md);
      flex-shrink: 0;
    }

    .brand-text h1 {
      font-family: 'Lora', serif;
      font-size: 20px;
      font-weight: 500;
      line-height: 1.2;
    }

    .brand-text p {
      font-size: 13px;
      color: var(--sage-dark);
      margin-top: 3px;
      display: flex;
      align-items: center;
      gap: 5px;
    }

    .brand-text p::before {
      content: '';
      width: 7px;
      height: 7px;
      background: var(--sage);
      border-radius: 50%;
      animation: pulse 2.5s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(0.85); }
    }

    .panel-section h3 {
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--ink-light);
      margin-bottom: 12px;
    }

    .panel-section p {
      font-size: 14px;
      color: var(--ink-mid);
      line-height: 1.7;
    }

    .topic-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .topic-btn {
      background: var(--white);
      border: 1.5px solid var(--cream-dark);
      color: var(--ink);
      font-family: 'DM Sans', sans-serif;
      font-size: 14px;
      padding: 10px 14px;
      border-radius: 12px;
      cursor: pointer;
      text-align: left;
      transition: all 0.2s;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .topic-btn:hover {
      border-color: var(--sage);
      background: var(--sage-pale);
      color: var(--sage-dark);
      transform: translateX(3px);
    }

    .topic-icon { font-size: 16px; flex-shrink: 0; }

    .end-btn {
      margin-top: auto;
      background: transparent;
      border: 1.5px solid var(--cream-dark);
      color: var(--ink-mid);
      font-family: 'DM Sans', sans-serif;
      font-size: 14px;
      font-weight: 500;
      padding: 11px 16px;
      border-radius: 12px;
      cursor: pointer;
      transition: all 0.2s;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .end-btn:hover {
      border-color: var(--sage);
      color: var(--sage-dark);
      background: var(--sage-pale);
    }

    /* ── Right: Chat Column ── */
    .chat-col {
      display: flex;
      flex-direction: column;
      height: 100vh;
      overflow: hidden;
    }

    /* ── Chat Header ── */
    .chat-header {
      padding: 20px 32px;
      border-bottom: 1px solid var(--cream-dark);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-shrink: 0;
      background: var(--cream);
    }

    .chat-header-left {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .chat-avatar {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--sage) 0%, var(--sage-dark) 100%);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      box-shadow: var(--shadow-sm);
    }

    .chat-header h2 {
      font-family: 'Lora', serif;
      font-size: 18px;
      font-weight: 500;
    }

    .chat-header .sub {
      font-size: 13px;
      color: var(--ink-light);
      margin-top: 2px;
    }

    .turn-counter {
      font-size: 13px;
      color: var(--ink-light);
      background: var(--cream-dark);
      padding: 5px 12px;
      border-radius: 20px;
    }

    /* ── Messages ── */
    #chat {
      flex: 1;
      overflow-y: auto;
      padding: 32px;
      display: flex;
      flex-direction: column;
      gap: 20px;
      scroll-behavior: smooth;
    }

    #chat::-webkit-scrollbar { width: 5px; }
    #chat::-webkit-scrollbar-track { background: transparent; }
    #chat::-webkit-scrollbar-thumb { background: var(--cream-dark); border-radius: 4px; }

    /* ── Welcome ── */
    .welcome {
      text-align: center;
      padding: 48px 24px 24px;
      animation: fadeUp 0.5s ease;
      max-width: 520px;
      margin: 0 auto;
    }

    .welcome-icon { font-size: 48px; margin-bottom: 16px; display: block; }

    .welcome h2 {
      font-family: 'Lora', serif;
      font-size: 28px;
      font-weight: 500;
      color: var(--ink);
      margin-bottom: 12px;
    }

    .welcome p {
      font-size: 16px;
      color: var(--ink-mid);
      line-height: 1.75;
    }

    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(12px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    /* ── Message rows ── */
    .msg {
      display: flex;
      gap: 14px;
      animation: fadeUp 0.25s ease;
      max-width: 720px;
    }

    .msg.user {
      flex-direction: row-reverse;
      align-self: flex-end;
    }

    .msg.ai {
      align-self: flex-start;
    }

    .msg-avatar {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .msg.ai .msg-avatar {
      background: linear-gradient(135deg, var(--sage) 0%, var(--sage-dark) 100%);
      box-shadow: var(--shadow-sm);
    }

    .msg.user .msg-avatar {
      background: var(--cream-dark);
    }

    .bubble {
      padding: 14px 18px;
      border-radius: var(--r-bubble);
      font-size: 16px;
      line-height: 1.65;
      box-shadow: var(--shadow-sm);
      max-width: 560px;
    }

    .msg.ai .bubble {
      background: var(--white);
      border-bottom-left-radius: 5px;
      color: var(--ink);
    }

    .msg.user .bubble {
      background: var(--sage-pale);
      border-bottom-right-radius: 5px;
      color: var(--ink);
    }

    /* ── Typing dots ── */
    .typing .bubble { padding: 16px 20px; }

    .dots { display: flex; gap: 6px; align-items: center; }

    .dots span {
      width: 8px;
      height: 8px;
      background: var(--sage);
      border-radius: 50%;
      animation: bounce 1.3s infinite;
    }

    .dots span:nth-child(2) { animation-delay: 0.2s; }
    .dots span:nth-child(3) { animation-delay: 0.4s; }

    @keyframes bounce {
      0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
      30% { transform: translateY(-7px); opacity: 1; }
    }

    /* ── Tip card ── */
    .tip-card {
      background: linear-gradient(135deg, var(--sage-dark) 0%, var(--sage) 100%);
      border-radius: var(--r-panel);
      padding: 24px 28px;
      color: white;
      animation: fadeUp 0.5s ease;
      box-shadow: 0 6px 24px rgba(78,122,92,0.3);
      max-width: 560px;
      align-self: center;
    }

    .tip-label {
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      opacity: 0.75;
      margin-bottom: 10px;
    }

    .tip-text {
      font-family: 'Lora', serif;
      font-size: 18px;
      line-height: 1.65;
    }

    .tip-restart {
      margin-top: 20px;
      background: rgba(255,255,255,0.18);
      border: 1.5px solid rgba(255,255,255,0.4);
      color: white;
      font-family: 'DM Sans', sans-serif;
      font-size: 14px;
      font-weight: 500;
      padding: 10px 22px;
      border-radius: 20px;
      cursor: pointer;
      transition: all 0.2s;
    }

    .tip-restart:hover { background: rgba(255,255,255,0.28); }

    /* ── Divider ── */
    .divider {
      text-align: center;
      font-size: 13px;
      color: var(--ink-light);
      position: relative;
      align-self: stretch;
    }

    .divider::before, .divider::after {
      content: '';
      position: absolute;
      top: 50%;
      width: 40%;
      height: 1px;
      background: var(--cream-dark);
    }

    .divider::before { left: 0; }
    .divider::after { right: 0; }

    /* ── Input Area ── */
    .input-area {
      padding: 16px 32px 24px;
      border-top: 1px solid var(--cream-dark);
      background: var(--cream);
      flex-shrink: 0;
    }

    .input-wrap {
      display: flex;
      gap: 12px;
      align-items: flex-end;
      background: var(--white);
      border: 1.5px solid var(--cream-dark);
      border-radius: 24px;
      padding: 12px 12px 12px 22px;
      box-shadow: var(--shadow-sm);
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    .input-wrap:focus-within {
      border-color: var(--sage);
      box-shadow: 0 0 0 3px rgba(107,148,120,0.12);
    }

    #input {
      flex: 1;
      border: none;
      outline: none;
      background: transparent;
      font-family: 'DM Sans', sans-serif;
      font-size: 16px;
      color: var(--ink);
      resize: none;
      max-height: 140px;
      line-height: 1.55;
      min-height: 26px;
    }

    #input::placeholder { color: var(--ink-light); opacity: 0.65; }

    #send {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, var(--sage) 0%, var(--sage-dark) 100%);
      border: none;
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: all 0.2s;
      box-shadow: 0 2px 8px rgba(78,122,92,0.3);
    }

    #send:hover { transform: scale(1.08); box-shadow: 0 4px 12px rgba(78,122,92,0.4); }
    #send:active { transform: scale(0.94); }
    #send:disabled { opacity: 0.35; cursor: not-allowed; transform: none; box-shadow: none; }

    .hint {
      text-align: center;
      font-size: 12px;
      color: var(--ink-light);
      opacity: 0.55;
      margin-top: 8px;
    }

    /* ── Error ── */
    .error-msg {
      text-align: center;
      font-size: 13px;
      color: #b06050;
      padding: 6px;
      align-self: center;
    }

    /* ── Responsive: hide panel on narrow screens ── */
    @media (max-width: 768px) {
      .app { grid-template-columns: 1fr; }
      .panel { display: none; }
      #chat { padding: 20px 16px; }
      .input-area { padding: 12px 16px 20px; }
      .chat-header { padding: 16px 20px; }
    }
  </style>
</head>
<body>
<div class="app">

  <!-- ── Left Panel ── -->
  <aside class="panel">
    <div class="brand">
      <div class="brand-avatar">🌿</div>
      <div class="brand-text">
        <h1>Speakeasy</h1>
        <p>Alex 在线</p>
      </div>
    </div>

    <div class="panel-section">
      <h3>关于 Alex</h3>
      <p>英语母语朋友，永远不评判你，在聊天中悄悄帮你变流利。</p>
    </div>

    <div class="panel-section">
      <h3>今天聊什么</h3>
      <div class="topic-list">
        <button class="topic-btn" onclick="startWith('Tell me about your day at work')">
          <span class="topic-icon">💼</span> 工作日常
        </button>
        <button class="topic-btn" onclick="startWith('Something funny happened to me today')">
          <span class="topic-icon">😄</span> 趣事分享
        </button>
        <button class="topic-btn" onclick="startWith('I watched a really good movie recently')">
          <span class="topic-icon">🎬</span> 影视剧
        </button>
        <button class="topic-btn" onclick="startWith('I want to talk about my travel plans')">
          <span class="topic-icon">✈️</span> 旅行计划
        </button>
        <button class="topic-btn" onclick="startWith('Let me tell you about my weekend')">
          <span class="topic-icon">🌿</span> 周末生活
        </button>
        <button class="topic-btn" onclick="startWith('I have been thinking about changing jobs')">
          <span class="topic-icon">🔄</span> 职业规划
        </button>
      </div>
    </div>

    <div class="panel-section">
      <h3>使用提示</h3>
      <p>不懂 Alex 说的词？直接问他，他会用更简单的方式解释。</p>
    </div>

    <button class="end-btn" onclick="endSession()">
      ✨ 结束对话，获取今日一句
    </button>
  </aside>

  <!-- ── Right: Chat ── -->
  <div class="chat-col">

    <div class="chat-header">
      <div class="chat-header-left">
        <div class="chat-avatar">🌿</div>
        <div>
          <h2>Alex</h2>
          <div class="sub">随时可以聊</div>
        </div>
      </div>
      <div class="turn-counter" id="turnCounter">0 轮对话</div>
    </div>

    <div id="chat">
      <div class="welcome" id="welcome">
        <span class="welcome-icon">👋</span>
        <h2>Hey, I'm Alex!</h2>
        <p>今天想聊什么？从左边选一个话题，或者直接打字。<br/>没有对错，就像和朋友发消息一样。</p>
      </div>
    </div>

    <div class="input-area">
      <div class="input-wrap">
        <textarea id="input" rows="1"
          placeholder="Type in English... or mix Chinese, it's totally fine"
          onkeydown="handleKey(event)"
          oninput="autoResize(this)"></textarea>
        <button id="send" onclick="sendMessage()">
          <svg width="18" height="18" viewBox="0 0 18 18" fill="none">
            <path d="M16 9L2 2.5l2.8 6.5L2 15.5 16 9z" fill="white"/>
          </svg>
        </button>
      </div>
      <div class="hint">Enter 发送 · Shift+Enter 换行 · 不懂的词直接问 Alex</div>
    </div>

  </div>
</div>

<script>
  const API = 'http://localhost:8000';
  let sessionId = crypto.randomUUID();
  let history = [];
  let turnCount = 0;
  let isLoading = false;

  const chatEl = document.getElementById('chat');
  const inputEl = document.getElementById('input');
  const sendBtn = document.getElementById('send');
  const turnEl  = document.getElementById('turnCounter');

  function updateTurnCounter() {
    turnEl.textContent = `${turnCount} 轮对话`;
  }

  function autoResize(el) {
    el.style.height = 'auto';
    el.style.height = Math.min(el.scrollHeight, 140) + 'px';
  }

  function handleKey(e) {
    if (e.key === 'Enter' && !e.shiftKey) {
      e.preventDefault();
      sendMessage();
    }
  }

  function startWith(text) {
    inputEl.value = text;
    autoResize(inputEl);
    inputEl.focus();
    sendMessage();
  }

  function hideWelcome() {
    const w = document.getElementById('welcome');
    if (w) w.remove();
  }

  function addMessage(role, content) {
    hideWelcome();
    const wrap = document.createElement('div');
    wrap.className = `msg ${role}`;

    const avatar = document.createElement('div');
    avatar.className = 'msg-avatar';
    avatar.textContent = role === 'ai' ? '🌿' : '🙂';

    const bubble = document.createElement('div');
    bubble.className = 'bubble';
    bubble.textContent = content;

    wrap.appendChild(avatar);
    wrap.appendChild(bubble);
    chatEl.appendChild(wrap);
    scrollDown();
    return wrap;
  }

  function addTyping() {
    const wrap = document.createElement('div');
    wrap.className = 'msg ai typing';
    wrap.id = 'typing';

    const avatar = document.createElement('div');
    avatar.className = 'msg-avatar';
    avatar.textContent = '🌿';

    const bubble = document.createElement('div');
    bubble.className = 'bubble';
    bubble.innerHTML = '<div class="dots"><span></span><span></span><span></span></div>';

    wrap.appendChild(avatar);
    wrap.appendChild(bubble);
    chatEl.appendChild(wrap);
    scrollDown();
  }

  function removeTyping() {
    const t = document.getElementById('typing');
    if (t) t.remove();
  }

  function scrollDown() {
    setTimeout(() => chatEl.scrollTop = chatEl.scrollHeight, 50);
  }

  function setLoading(val) {
    isLoading = val;
    sendBtn.disabled = val;
    inputEl.disabled = val;
  }

  async function sendMessage() {
    const text = inputEl.value.trim();
    if (!text || isLoading) return;

    inputEl.value = '';
    inputEl.style.height = 'auto';
    setLoading(true);

    addMessage('user', text);
    addTyping();

    try {
      const res = await fetch(`${API}/chat`, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({
          session_id: sessionId,
          message: text,
          history: history
        })
      });

      const data = await res.json();
      removeTyping();

      if (res.ok) {
        const reply = data.reply;
        addMessage('ai', reply);
        history.push({ role: 'user', content: text });
        history.push({ role: 'assistant', content: reply });
        turnCount++;
        updateTurnCounter();
      } else {
        addError(data.error || '出了点问题，再试一次？');
      }
    } catch (e) {
      removeTyping();
      addError('连接不上服务，确认后端已启动（localhost:8000）');
    }

    setLoading(false);
    inputEl.focus();
  }

  function addError(msg) {
    const div = document.createElement('div');
    div.className = 'error-msg';
    div.textContent = '⚠ ' + msg;
    chatEl.appendChild(div);
    scrollDown();
  }

  async function endSession() {
    if (history.length === 0) {
      inputEl.focus();
      return;
    }

    const btn = document.querySelector('.end-btn');
    btn.textContent = '生成中...';
    btn.disabled = true;

    try {
      const res = await fetch(`${API}/chat/summary`, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ session_id: sessionId, history })
      });

      const data = await res.json();
      const divider = document.createElement('div');
      divider.className = 'divider';
      divider.textContent = '对话结束';
      chatEl.appendChild(divider);

      if (res.ok) showTipCard(data.tip);
      else addError('今日一句生成失败，请重试');

    } catch (e) {
      addError('连接失败，请重试');
    }

    btn.textContent = '✨ 结束对话，获取今日一句';
    btn.disabled = false;
  }

  function showTipCard(tip) {
    const card = document.createElement('div');
    card.className = 'tip-card';
    card.innerHTML = `
      <div class="tip-label">✨ 今日收获</div>
      <div class="tip-text">${tip}</div>
      <button class="tip-restart" onclick="restartSession()">开始新对话</button>
    `;
    chatEl.appendChild(card);
    scrollDown();

    inputEl.disabled = true;
    sendBtn.disabled = true;
    inputEl.placeholder = '点击「开始新对话」继续';
  }

  function restartSession() {
    sessionId = crypto.randomUUID();
    history = [];
    turnCount = 0;
    updateTurnCounter();
    chatEl.innerHTML = '';
    inputEl.disabled = false;
    sendBtn.disabled = false;
    inputEl.placeholder = 'Type in English... or mix Chinese, it\'s totally fine';

    const welcome = document.createElement('div');
    welcome.className = 'welcome';
    welcome.id = 'welcome';
    welcome.innerHTML = `
      <span class="welcome-icon">👋</span>
      <h2>Hey, I'm Alex!</h2>
      <p>今天想聊什么？从左边选一个话题，或者直接打字。<br/>没有对错，就像和朋友发消息一样。</p>
    `;
    chatEl.appendChild(welcome);
    inputEl.focus();
  }

  updateTurnCounter();
</script>
</body>
</html>