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<!DOCTYPE html>
<html lang="zh-TW">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Text2SQL 智慧分析助手</title>
<script src="https://cdn.tailwindcss.com"></script>
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.7.0/styles/atom-one-dark.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.7.0/highlight.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.7.0/languages/sql.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/marked@11.1.1/marked.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/sql-formatter@15.0.2/dist/sql-formatter.min.js"></script>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
<script>
tailwind.config = {
theme: {
extend: {
fontFamily: {
sans: ['Inter', 'sans-serif'],
mono: ['JetBrains Mono', 'monospace'],
}
}
}
}
</script>
<style>
/* 自定義滾動條 */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }
/* 動畫 */
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.animate-fade-in-up { animation: fadeIn 0.3s ease-out forwards; }
.typing-dot { animation: typing 1.4s infinite ease-in-out both; }
.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }
@keyframes typing { 0%, 80%, 100% { transform: scale(0); } 40% { transform: scale(1); } }
/* Markdown 樣式優化 */
.markdown-content p { margin-bottom: 0.5rem; line-height: 1.6; }
.markdown-content ul { list-style-type: disc; padding-left: 1.25rem; margin-bottom: 0.5rem; }
.markdown-content code {
background-color: #f1f5f9;
color: #ef4444;
padding: 0.1rem 0.3rem;
border-radius: 0.25rem;
font-family: 'JetBrains Mono', monospace;
font-size: 0.875em;
}
/* Toast 通知 */
#toast-container { position: fixed; top: 1rem; right: 1rem; z-index: 50; }
.toast {
background: white;
border-left: 4px solid #3b82f6;
padding: 1rem;
border-radius: 0.5rem;
box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
margin-bottom: 0.5rem;
transform: translateX(100%);
transition: transform 0.3s ease-out;
display: flex; align-items: center; gap: 0.5rem;
}
.toast.show { transform: translateX(0); }
.toast.error { border-left-color: #ef4444; }
/* Resizable dividers */
.resizer {
position: relative;
z-index: 10;
}
.resizer-vertical {
width: 8px;
cursor: col-resize;
background: transparent;
transition: background-color 0.2s;
flex-shrink: 0;
}
.resizer-vertical:hover,
.resizer-vertical.dragging {
background-color: rgba(59, 130, 246, 0.3);
}
.resizer-vertical::before {
content: '';
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 2px;
height: 30px;
background: #cbd5e1;
border-radius: 2px;
opacity: 0;
transition: opacity 0.2s;
}
.resizer-vertical:hover::before,
.resizer-vertical.dragging::before {
opacity: 1;
}
.resizer-horizontal {
height: 8px;
cursor: row-resize;
background: transparent;
transition: background-color 0.2s;
flex-shrink: 0;
}
.resizer-horizontal:hover,
.resizer-horizontal.dragging {
background-color: rgba(59, 130, 246, 0.3);
}
.resizer-horizontal::before {
content: '';
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 30px;
height: 2px;
background: #cbd5e1;
border-radius: 2px;
opacity: 0;
transition: opacity 0.2s;
}
.resizer-horizontal:hover::before,
.resizer-horizontal.dragging::before {
opacity: 1;
}
/* Disable selection during drag */
body.resizing {
user-select: none;
cursor: col-resize;
}
body.resizing-vertical {
cursor: row-resize;
}
</style>
</head>
<body class="bg-slate-50 text-slate-800 font-sans h-screen flex flex-col overflow-hidden">
<div id="toast-container"></div>
<header class="bg-white border-b border-slate-200 px-6 py-3 flex items-center justify-between shrink-0 shadow-sm z-10">
<div class="flex items-center gap-3">
<div class="bg-blue-600 p-1.5 rounded-lg">
<svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 text-white" fill="none" viewBox="0 0 24 24" stroke="currentColor">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z" />
</svg>
</div>
<div>
<h1 class="font-bold text-slate-800 leading-tight">Text2SQL Dashboard</h1>
<p id="model-display" class="text-xs text-slate-500">Loading model info...</p>
</div>
</div>
<div class="flex items-center gap-3">
<button id="clear-conversation-btn" class="text-xs font-medium text-slate-600 hover:text-red-600 hover:bg-red-50 px-3 py-2 rounded-md transition-all flex items-center gap-1.5 border border-transparent hover:border-red-100">
<svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
</svg>
清空對話
</button>
</div>
</header>
<main class="flex-1 flex flex-col lg:flex-row overflow-hidden">
<div id="left-panel" class="flex-1 flex flex-col min-w-0 bg-white lg:border-r border-slate-200" style="min-width: 300px;">
<div id="chat-container" class="flex-1 overflow-y-auto p-4 space-y-6">
<div id="welcome-message" class="flex gap-4 max-w-3xl mx-auto animate-fade-in-up">
<div class="w-8 h-8 rounded-full bg-blue-100 border border-blue-200 flex items-center justify-center flex-shrink-0">
<span class="text-lg">🤖</span>
</div>
<div class="space-y-2">
<div class="bg-slate-50 p-5 rounded-2xl rounded-tl-none border border-slate-100 shadow-sm text-slate-700">
<p class="font-medium mb-2">你好！我是你的資料分析助手。</p>
<p class="text-sm text-slate-500 mb-3">我可以幫你查詢資料庫並生成可視化圖表。試試看問我：</p>
<div class="flex flex-wrap gap-2">
<button class="quick-query text-xs bg-white border border-slate-200 px-3 py-1.5 rounded-full hover:border-blue-400 hover:text-blue-600 transition cursor-pointer">
顯示上個月各產品類別的銷售總額
</button>
<button class="quick-query text-xs bg-white border border-slate-200 px-3 py-1.5 rounded-full hover:border-blue-400 hover:text-blue-600 transition cursor-pointer">
2009 年各月份銷售額?
</button>
</div>
</div>
</div>
</div>
</div>
<div class="p-4 border-t border-slate-100 bg-white">
<div class="max-w-3xl mx-auto relative">
<form id="query-form" class="relative group">
<input
type="text"
id="user-input"
class="w-full bg-slate-50 text-slate-700 border border-slate-200 rounded-xl py-3.5 pl-4 pr-14 focus:outline-none focus:bg-white focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all placeholder-slate-400 shadow-sm"
placeholder="在此輸入您的數據問題..."
autocomplete="off"
>
<button
type="submit"
class="absolute right-2 top-2 bottom-2 aspect-square bg-blue-600 hover:bg-blue-700 text-white rounded-lg transition-all duration-200 flex items-center justify-center shadow-md hover:shadow-lg transform active:scale-95"
>
<svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" viewBox="0 0 20 20" fill="currentColor">
<path d="M10.894 2.553a1 1 0 00-1.788 0l-7 14a1 1 0 001.169 1.409l5-1.429A1 1 0 009 15.571V11a1 1 0 112 0v4.571a1 1 0 00.725.962l5 1.428a1 1 0 001.17-1.408l-7-14z" />
</svg>
</button>
</form>
</div>
</div>
</div>
<!-- Vertical resizer between left and right panels -->
<div id="vertical-resizer" class="resizer resizer-vertical hidden lg:block"></div>
<div id="right-panel" class="flex flex-col h-[40vh] lg:h-full bg-slate-50 border-t lg:border-t-0 shadow-inner overflow-hidden" style="width: 450px; min-width: 300px; max-width: 800px;">
<div id="sql-panel" class="bg-[#282c34] flex flex-col border-b border-slate-700" style="height: 33%; min-height: 150px;">
<div class="px-4 py-2 bg-[#21252b] flex items-center justify-between border-b border-black/20">
<div class="flex items-center gap-2">
<svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4 text-yellow-500" fill="none" viewBox="0 0 24 24" stroke="currentColor">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 7v10c0 2.21 3.582 4 8 4s8-1.79 8-4V7M4 7c0 2.21 3.582 4 8 4s8-1.79 8-4M4 7c0-2.21 3.582-4 8-4s8 1.79 8 4m0 5c0 2.21-3.582 4-8 4s-8-1.79-8-4" />
</svg>
<span class="text-slate-300 text-xs font-mono font-bold tracking-wide">GENERATED SQL</span>
</div>
<button id="copy-sql-btn" class="text-xs text-slate-400 hover:text-white flex items-center gap-1 transition-colors px-2 py-1 rounded hover:bg-white/10">
<svg xmlns="http://www.w3.org/2000/svg" class="h-3 w-3" fill="none" viewBox="0 0 24 24" stroke="currentColor">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z" />
</svg>
Copy
</button>
</div>
<div class="flex-1 overflow-auto p-4 relative group custom-scrollbar">
<pre><code id="sql-display" class="language-sql bg-transparent text-xs font-mono leading-relaxed">-- 等待查詢...
SELECT * FROM waiting_for_input;</code></pre>
</div>
</div>
<!-- Horizontal resizer between SQL and Chart panels -->
<div id="horizontal-resizer" class="resizer resizer-horizontal"></div>
<div id="chart-panel" class="bg-white flex flex-col overflow-hidden" style="flex: 1;">
<div class="px-4 py-3 border-b border-slate-100 flex items-center justify-between bg-white">
<span class="text-slate-700 font-bold text-sm flex items-center gap-2">
<svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4 text-blue-500" fill="none" viewBox="0 0 24 24" stroke="currentColor">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z" />
</svg>
Data Visualization
</span>
<div class="flex bg-slate-100 p-1 rounded-lg gap-1">
<button class="view-btn active" data-type="bar" title="長條圖">
<svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z" /></svg>
</button>
<button class="view-btn" data-type="line" title="折線圖">
<svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 7h8m0 0v8m0-8l-8 8-4-4-6 6" /></svg>
</button>
<button class="view-btn" data-type="pie" title="圓餅圖">
<svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 3.055A9.001 9.001 0 1020.945 13H11V3.055z" /><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M20.488 9H15V3.512A9.025 9.025 0 0120.488 9z" /></svg>
</button>
<button class="view-btn" data-type="table" title="表格資料">
<svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 10h18M3 14h18m-9-4v8m-7-8v8m14-8v8M3 20.25V3.75a.75.75 0 01.75-.75h16.5a.75.75 0 01.75.75v16.5a.75.75 0 01-.75.75H3.75a.75.75 0 01-.75-.75z" /></svg>
</button>
</div>
</div>
<div class="flex-1 p-4 relative flex items-center justify-center bg-white">
<canvas id="dataChart" class="w-full h-full"></canvas>
<div id="data-table-container" class="absolute inset-0 overflow-auto p-0 hidden bg-white"></div>
<div id="chart-placeholder" class="absolute inset-0 flex flex-col items-center justify-center text-slate-300 gap-3">
<svg xmlns="http://www.w3.org/2000/svg" class="h-12 w-12 opacity-50" fill="none" viewBox="0 0 24 24" stroke="currentColor">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="1" d="M9 17V7m0 10a2 2 0 01-2 2H5a2 2 0 01-2-2V7a2 2 0 012-2h2a2 2 0 012 2m0 10a2 2 0 002 2h2a2 2 0 002-2M9 7a2 2 0 012-2h2a2 2 0 012 2m0 10V7m0 10a2 2 0 002 2h2a2 2 0 002-2V7a2 2 0 00-2-2h-2a2 2 0 00-2 2" />
</svg>
<span class="text-sm font-medium">尚無數據可顯示</span>
</div>
</div>
</div>
</div>
</main>
<style>
.view-btn {
padding: 0.35rem 0.6rem;
border-radius: 0.375rem;
color: #64748b;
transition: all 0.2s;
}
.view-btn:hover { color: #1e293b; background-color: #e2e8f0; }
.view-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.view-btn.active {
background-color: white;
color: #3b82f6;
box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
font-weight: 500;
}
</style>
<script>
// --- 全局變數與配置 ---
const MAX_HISTORY_TURNS = 20;
let conversationHistory = [];
let lastSQL = null;
let currentChartData = null;
let currentRawData = null;
let currentViewMode = 'bar';
let myChart = null;
let thinkingMessageId = null;
// DOM Elements
const form = document.getElementById('query-form');
const input = document.getElementById('user-input');
const chatContainer = document.getElementById('chat-container');
const sqlDisplay = document.getElementById('sql-display');
const chartPlaceholder = document.getElementById('chart-placeholder');
const dataTableContainer = document.getElementById('data-table-container');
const canvas = document.getElementById('dataChart');
const ctx = canvas.getContext('2d');
const viewBtns = document.querySelectorAll('.view-btn');
// --- 初始化 ---
document.addEventListener('DOMContentLoaded', () => {
// 初始化 Highlight.js
hljs.highlightAll();
// 綁定 Quick Query 按鈕
document.querySelectorAll('.quick-query').forEach(btn => {
btn.addEventListener('click', (e) => {
input.value = e.target.innerText.trim();
form.requestSubmit();
});
});
updateButtonStates(null); // 初始禁用按鈕
// Fetch and display current model info
fetchModelInfo();
// Initialize resizers
initializeResizers();
});
// --- Resizer functionality ---
function initializeResizers() {
// Vertical resizer (between left and right panels)
const verticalResizer = document.getElementById('vertical-resizer');
const leftPanel = document.getElementById('left-panel');
const rightPanel = document.getElementById('right-panel');
if (verticalResizer && leftPanel && rightPanel) {
let isResizing = false;
let startX = 0;
let startLeftWidth = 0;
let startRightWidth = 0;
verticalResizer.addEventListener('mousedown', (e) => {
isResizing = true;
startX = e.clientX;
startLeftWidth = leftPanel.offsetWidth;
startRightWidth = rightPanel.offsetWidth;
document.body.classList.add('resizing');
verticalResizer.classList.add('dragging');
e.preventDefault();
});
document.addEventListener('mousemove', (e) => {
if (!isResizing) return;
const deltaX = e.clientX - startX;
const newLeftWidth = startLeftWidth + deltaX;
const newRightWidth = startRightWidth - deltaX;
// Enforce min/max constraints
if (newLeftWidth >= 300 && newRightWidth >= 300 && newRightWidth <= 800) {
leftPanel.style.flex = 'none';
leftPanel.style.width = `${newLeftWidth}px`;
rightPanel.style.width = `${newRightWidth}px`;
}
});
document.addEventListener('mouseup', () => {
if (isResizing) {
isResizing = false;
document.body.classList.remove('resizing');
verticalResizer.classList.remove('dragging');
}
});
}
// Horizontal resizer (between SQL and Chart panels)
const horizontalResizer = document.getElementById('horizontal-resizer');
const sqlPanel = document.getElementById('sql-panel');
const chartPanel = document.getElementById('chart-panel');
if (horizontalResizer && sqlPanel && chartPanel) {
let isResizing = false;
let startY = 0;
let startSqlHeight = 0;
let containerHeight = 0;
horizontalResizer.addEventListener('mousedown', (e) => {
isResizing = true;
startY = e.clientY;
startSqlHeight = sqlPanel.offsetHeight;
containerHeight = rightPanel.offsetHeight;
document.body.classList.add('resizing', 'resizing-vertical');
horizontalResizer.classList.add('dragging');
e.preventDefault();
});
document.addEventListener('mousemove', (e) => {
if (!isResizing) return;
const deltaY = e.clientY - startY;
const newSqlHeight = startSqlHeight + deltaY;
const newChartHeight = containerHeight - newSqlHeight - horizontalResizer.offsetHeight;
// Enforce min height constraints
if (newSqlHeight >= 150 && newChartHeight >= 200) {
sqlPanel.style.height = `${newSqlHeight}px`;
sqlPanel.style.flex = 'none';
chartPanel.style.flex = '1';
}
});
document.addEventListener('mouseup', () => {
if (isResizing) {
isResizing = false;
document.body.classList.remove('resizing', 'resizing-vertical');
horizontalResizer.classList.remove('dragging');
}
});
}
}
// --- Fetch Model Info ---
async function fetchModelInfo() {
try {
const response = await fetch('/api/model_info');
if (!response.ok) {
throw new Error(`Failed to fetch model info: ${response.status}`);
}
const data = await response.json();
const modelDisplay = document.getElementById('model-display');
if (modelDisplay) {
modelDisplay.textContent = `${data.display_name}`;
}
} catch (error) {
console.error('Error fetching model info:', error);
// Fallback to generic text if API fails
const modelDisplay = document.getElementById('model-display');
if (modelDisplay) {
modelDisplay.textContent = 'Powered by AI';
}
}
}
// --- Toast 通知系統 ---
function showToast(message, type = 'info') {
const container = document.getElementById('toast-container');
const toast = document.createElement('div');
toast.className = `toast ${type === 'error' ? 'error' : ''}`;
toast.innerHTML = `
<span class="text-sm font-medium text-slate-700">${message}</span>
`;
container.appendChild(toast);
// Animation
requestAnimationFrame(() => toast.classList.add('show'));
setTimeout(() => {
toast.classList.remove('show');
setTimeout(() => toast.remove(), 300);
}, 3000);
}
// --- Copy SQL 功能 ---
document.getElementById('copy-sql-btn').addEventListener('click', async () => {
const code = sqlDisplay.innerText;
try {
await navigator.clipboard.writeText(code);
showToast('SQL 已複製到剪貼簿');
} catch (err) {
showToast('複製失敗', 'error');
}
});
// --- 視圖切換邏輯 ---
viewBtns.forEach(btn => {
btn.addEventListener('click', () => {
const type = btn.dataset.type;
switchViewMode(type);
});
});
function switchViewMode(mode) {
if (!currentChartData && mode !== 'table') return;
currentViewMode = mode;
chartPlaceholder.style.display = 'none';
// UI State Update
viewBtns.forEach(btn => {
if(btn.dataset.type === mode) btn.classList.add('active');
else btn.classList.remove('active');
});
if (mode === 'table') {
canvas.style.display = 'none';
dataTableContainer.style.display = 'block';
renderTable(currentRawData);
} else {
dataTableContainer.style.display = 'none';
canvas.style.display = 'block';
updateChart(mode, currentChartData.data);
}
}
function updateButtonStates(hasData) {
viewBtns.forEach(btn => {
btn.disabled = !hasData;
if (!hasData) {
btn.classList.remove('active');
btn.classList.add('opacity-50', 'cursor-not-allowed');
} else {
btn.classList.remove('opacity-50', 'cursor-not-allowed');
}
});
if (hasData) {
// 重新激活當前模式的按鈕
const activeBtn = document.querySelector(`.view-btn[data-type="${currentViewMode}"]`);
if(activeBtn) activeBtn.classList.add('active');
}
}
// --- 聊天與 SSE 邏輯 ---
form.addEventListener('submit', async (e) => {
e.preventDefault();
const query = input.value.trim();
if (!query) return;
// Remove welcome message on first query
const welcomeMsg = document.getElementById('welcome-message');
if (welcomeMsg) {
welcomeMsg.remove();
}
addMessage('user', query, true);
input.value = '';
// 啟動思考狀態
const thinkingId = addThinkingMessage();
updateThinkingMessage(thinkingId, '分析數據請求...');
try {
const response = await fetch('/api/query/stream', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ query, conversation_history: conversationHistory })
});
if (!response.ok) throw new Error(`API error: ${response.status}`);
const reader = response.body.getReader();
const decoder = new TextDecoder();
let buffer = '';
while (true) {
const { done, value } = await reader.read();
if (done) break;
buffer += decoder.decode(value, { stream: true });
const lines = buffer.split('\n');
buffer = lines.pop();
for (const line of lines) {
if (line.startsWith('data: ')) {
try {
handleSSEEvent(JSON.parse(line.slice(6)), thinkingId);
} catch (e) { console.error('Parse error', e); }
}
}
}
} catch (error) {
removeThinkingMessage(thinkingId);
addMessage('ai', `⚠️ **系統錯誤**: ${error.message}`, false);
showToast('後端連接失敗', 'error');
}
});
function handleSSEEvent(event, thinkingId) {
switch (event.type) {
case 'phase':
updateThinkingMessage(thinkingId, event.message);
break;
case 'complete':
removeThinkingMessage(thinkingId);
addMessage('ai', event.message, true, event.sql);
if (event.sql) updateSQL(event.sql);
// 數據處理
currentChartData = event.chart_data;
currentRawData = event.raw_data;
if (event.chart_data) {
updateButtonStates(true);
// 預設優先顯示後端建議的圖表類型，如果沒有則保持當前選擇
const targetType = event.chart_data.type || 'bar';
// 如果當前是表格模式，保持表格；否則切換到圖表
if (currentViewMode !== 'table') {
switchViewMode(targetType);
} else {
switchViewMode('table');
}
} else {
updateButtonStates(false);
chartPlaceholder.style.display = 'flex';
chartPlaceholder.innerHTML = '<span class="text-sm text-slate-400">此查詢未返回可視化數據</span>';
}
break;
case 'error':
removeThinkingMessage(thinkingId);
addMessage('ai', `錯誤: ${event.message}`, false);
break;
}
}
// --- UI 輔助函數 ---
function addMessage(role, text, saveToHistory = true, sqlQuery = null) {
const div = document.createElement('div');
div.className = 'flex gap-4 animate-fade-in-up';
if (role === 'user') {
div.classList.add('flex-row-reverse');
div.innerHTML = `
<div class="w-8 h-8 rounded-full bg-slate-700 flex items-center justify-center text-white text-xs flex-shrink-0 shadow-sm">You</div>
<div class="bg-blue-600 text-white px-5 py-3 rounded-2xl rounded-tr-none shadow-md max-w-[85%] leading-relaxed">
<p>${text}</p>
</div>
`;
} else {
const renderedHTML = marked.parse(text);
div.innerHTML = `
<div class="w-8 h-8 rounded-full bg-gradient-to-br from-blue-500 to-indigo-600 flex items-center justify-center text-white text-xs flex-shrink-0 shadow-sm">AI</div>
<div class="bg-white p-5 rounded-2xl rounded-tl-none shadow-sm border border-slate-100 max-w-[85%] markdown-content text-slate-700">
${renderedHTML}
</div>
`;
}
chatContainer.appendChild(div);
chatContainer.scrollTo({ top: chatContainer.scrollHeight, behavior: 'smooth' });
if (saveToHistory) {
let content = text + (sqlQuery ? `\n[Executed SQL: ${sqlQuery}]` : '');
conversationHistory.push({ role, content });
if (conversationHistory.length > MAX_HISTORY_TURNS * 2) conversationHistory = conversationHistory.slice(-(MAX_HISTORY_TURNS * 2));
}
}
function addThinkingMessage() {
const id = Date.now();
const div = document.createElement('div');
div.id = `thinking-${id}`;
div.className = 'flex gap-4 animate-fade-in-up';
div.innerHTML = `
<div class="w-8 h-8 rounded-full bg-gradient-to-br from-blue-500 to-indigo-600 flex items-center justify-center text-white text-xs flex-shrink-0">AI</div>
<div class="bg-white px-4 py-3 rounded-2xl rounded-tl-none shadow-sm border border-slate-100 flex items-center gap-3">
<div class="flex gap-1">
<div class="w-1.5 h-1.5 bg-blue-500 rounded-full typing-dot"></div>
<div class="w-1.5 h-1.5 bg-blue-500 rounded-full typing-dot"></div>
<div class="w-1.5 h-1.5 bg-blue-500 rounded-full typing-dot"></div>
</div>
<span id="phase-text-${id}" class="text-xs font-medium text-slate-500">正在思考...</span>
</div>
`;
chatContainer.appendChild(div);
chatContainer.scrollTo({ top: chatContainer.scrollHeight, behavior: 'smooth' });
return id;
}
function updateThinkingMessage(id, text) {
const el = document.getElementById(`phase-text-${id}`);
if (el) el.textContent = text;
}
function removeThinkingMessage(id) {
const el = document.getElementById(`thinking-${id}`);
if (el) el.remove();
}
function updateSQL(sqlCode) {
try {
const formatted = sqlFormatter.format(sqlCode, { language: 'sqlite', tabWidth: 2, keywordCase: 'upper' });
sqlDisplay.textContent = formatted;
hljs.highlightElement(sqlDisplay);
} catch (e) {
sqlDisplay.textContent = sqlCode; // Fallback if formatter fails
}
}
function updateChart(type, data) {
if (myChart) myChart.destroy();
// Chart.js 風格配置
Chart.defaults.font.family = "'Inter', sans-serif";
Chart.defaults.color = '#64748b';
myChart = new Chart(ctx, {
type: type,
data: data,
options: {
responsive: true,
maintainAspectRatio: false,
plugins: {
legend: { position: 'bottom', labels: { usePointStyle: true, padding: 20 } },
tooltip: {
backgroundColor: 'rgba(30, 41, 59, 0.9)',
padding: 12,
cornerRadius: 8,
titleFont: { size: 13, weight: 600 },
bodyFont: { size: 12 }
}
},
scales: type !== 'pie' ? {
y: { grid: { borderDash: [4, 4], color: '#f1f5f9' }, border: { display: false } },
x: { grid: { display: false }, border: { display: false } }
} : {}
}
});
}
function renderTable(rawData) {
if (!rawData || rawData.length === 0) {
dataTableContainer.innerHTML = '<div class="flex h-full items-center justify-center text-slate-400 text-sm">無數據</div>';
return;
}
const columns = Object.keys(rawData[0]);
let html = `
<div class="inline-block min-w-full align-middle">
<table class="min-w-full divide-y divide-slate-200">
<thead class="bg-slate-50 sticky top-0">
<tr>
${columns.map(col => `<th scope="col" class="px-4 py-3 text-left text-xs font-semibold text-slate-500 uppercase tracking-wider whitespace-nowrap">${col}</th>`).join('')}
</tr>
</thead>
<tbody class="bg-white divide-y divide-slate-200">
`;
rawData.forEach(row => {
html += '<tr class="hover:bg-slate-50 transition-colors">';
columns.forEach(col => {
const val = row[col] ?? '-';
html += `<td class="px-4 py-3 text-sm text-slate-700 whitespace-nowrap">${val}</td>`;
});
html += '</tr>';
});
html += '</tbody></table></div>';
dataTableContainer.innerHTML = html;
}
// 清空按鈕事件
document.getElementById('clear-conversation-btn').addEventListener('click', () => {
if(!confirm('確定要清空對話歷史嗎？')) return;
conversationHistory = [];
lastSQL = null;
currentChartData = null;
currentRawData = null;
// Reset UI
chatContainer.innerHTML = '';
// Re-add welcome message logic (simplified here)
location.reload(); // 簡單起見，刷新頁面是最乾淨的重置
});
</script>
</body>
</html>