<?php
require_once '../includes/auth.php';

$auth = new Auth();
$auth->requireLogin();

// Get brands data
require_once '../config/database.php';
$database = new Database();
$db = $database->getConnection();

$brands = [];
$query = "SELECT * FROM brands ORDER BY created_at DESC";
$stmt = $db->prepare($query);
$stmt->execute();
$brands = $stmt->fetchAll(PDO::FETCH_ASSOC);
?>
<!DOCTYPE html>
<html lang="zh-TW">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>品牌管理 - SEO AI 自動化系統</title>
    <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css" rel="stylesheet">
    <link href="../assets/css/admin.css" rel="stylesheet">
</head>
<body>
    <div class="admin-layout">
        <!-- Sidebar -->
        <aside class="sidebar">
            <div class="sidebar-header">
                <div class="logo">
                    <i class="fas fa-robot"></i>
                    <span>SEO AI</span>
                </div>
            </div>
            
            <nav class="sidebar-nav">
                <ul>
                    <li>
                        <a href="dashboard.php">
                            <i class="fas fa-tachometer-alt"></i>
                            <span>儀表板</span>
                        </a>
                    </li>
                    <li class="active">
                        <a href="brands.php">
                            <i class="fas fa-building"></i>
                            <span>品牌管理</span>
                        </a>
                    </li>
                    <li>
                        <a href="reports.php">
                            <i class="fas fa-chart-bar"></i>
                            <span>SEO報告</span>
                        </a>
                    </li>
                    <li>
                        <a href="content.php">
                            <i class="fas fa-edit"></i>
                            <span>內容管理</span>
                        </a>
                    </li>
                    <li>
                        <a href="analytics.php">
                            <i class="fas fa-analytics"></i>
                            <span>成效分析</span>
                        </a>
                    </li>
                    <li>
                        <a href="settings.php">
                            <i class="fas fa-cog"></i>
                            <span>系統設定</span>
                        </a>
                    </li>
                    <li>
                        <a href="help.php">
                            <i class="fas fa-question-circle"></i>
                            <span>使用說明</span>
                        </a>
                    </li>
                    <li>
                        <a href="profile.php">
                            <i class="fas fa-user"></i>
                            <span>個人資料</span>
                        </a>
                    </li>
                </ul>
            </nav>
            
            <div class="sidebar-footer">
                <a href="logout.php" class="logout-btn">
                    <i class="fas fa-sign-out-alt"></i>
                    <span>登出</span>
                </a>
            </div>
        </aside>
        
        <!-- Main Content -->
        <main class="main-content">
            <header class="header">
                <div class="header-left">
                    <h1>品牌管理</h1>
                    <p>管理您的品牌專案和SEO策略</p>
                </div>
                <div class="header-right">
                    <button class="btn btn-primary" onclick="showAddBrandModal()">
                        <i class="fas fa-plus"></i>
                        新增品牌
                    </button>
                </div>
            </header>
            
            <div class="brands-content">
                <?php if (empty($brands)): ?>
                    <div class="empty-state">
                        <i class="fas fa-building"></i>
                        <h3>還沒有品牌</h3>
                        <p>開始建立您的第一個品牌專案，開始SEO優化之旅</p>
                        <button class="btn btn-primary" onclick="showAddBrandModal()">
                            <i class="fas fa-plus"></i>
                            新增品牌
                        </button>
                    </div>
                <?php else: ?>
                    <div class="brands-grid">
                        <?php foreach ($brands as $brand): ?>
                            <div class="brand-card">
                                <div class="brand-header">
                                    <h3><?php echo htmlspecialchars($brand['name']); ?></h3>
                                    <div class="brand-actions">
                                        <button class="btn-icon" onclick="editBrand(<?php echo $brand['id']; ?>)" title="編輯">
                                            <i class="fas fa-edit"></i>
                                        </button>
                                        <button class="btn-icon" onclick="deleteBrand(<?php echo $brand['id']; ?>)" title="刪除">
                                            <i class="fas fa-trash"></i>
                                        </button>
                                    </div>
                                </div>
                                
                                <div class="brand-info">
                                    <div class="info-item">
                                        <i class="fas fa-globe"></i>
                                        <span><?php echo htmlspecialchars($brand['website'] ?: '未設定'); ?></span>
                                    </div>
                                    <div class="info-item">
                                        <i class="fas fa-industry"></i>
                                        <span><?php echo htmlspecialchars($brand['industry'] ?: '未設定'); ?></span>
                                    </div>
                                    <div class="info-item">
                                        <i class="fas fa-calendar"></i>
                                        <span><?php echo date('Y-m-d', strtotime($brand['created_at'])); ?></span>
                                    </div>
                                </div>
                                
                                <div class="brand-description">
                                    <p><?php echo htmlspecialchars(substr($brand['description'] ?: '無描述', 0, 100)); ?><?php echo strlen($brand['description'] ?: '') > 100 ? '...' : ''; ?></p>
                                </div>
                                
                                <div class="brand-actions-bottom">
                                    <button class="btn btn-secondary" onclick="viewBrand(<?php echo $brand['id']; ?>)">
                                        <i class="fas fa-eye"></i>
                                        查看詳情
                                    </button>
                                    <button class="btn btn-primary" onclick="analyzeBrand(<?php echo $brand['id']; ?>)">
                                        <i class="fas fa-chart-line"></i>
                                        SEO分析
                                    </button>
                                </div>
                            </div>
                        <?php endforeach; ?>
                    </div>
                <?php endif; ?>
            </div>
        </main>
    </div>
    
    <!-- Add Brand Modal -->
    <div id="addBrandModal" class="modal">
        <div class="modal-content">
            <div class="modal-header">
                <h2>新增品牌</h2>
                <button class="modal-close" onclick="closeModal('addBrandModal')">
                    <i class="fas fa-times"></i>
                </button>
            </div>
            <form id="addBrandForm">
                <div class="modal-body">
                    <div class="form-group">
                        <label for="brandName">品牌名稱 *</label>
                        <input type="text" id="brandName" name="name" class="form-control" required>
                    </div>
                    
                    <div class="form-group">
                        <label for="brandWebsite">官方網站</label>
                        <input type="url" id="brandWebsite" name="website" class="form-control" placeholder="https://example.com">
                    </div>
                    
                    <div class="form-group">
                        <label for="brandIndustry">行業類別</label>
                        <select id="brandIndustry" name="industry" class="form-control">
                            <option value="">選擇行業</option>
                            <option value="電子商務">電子商務</option>
                            <option value="科技">科技</option>
                            <option value="金融">金融</option>
                            <option value="教育">教育</option>
                            <option value="醫療">醫療</option>
                            <option value="餐飲">餐飲</option>
                            <option value="旅遊">旅遊</option>
                            <option value="房地產">房地產</option>
                            <option value="其他">其他</option>
                        </select>
                    </div>
                    
                    <div class="form-group">
                        <label for="brandDescription">品牌描述</label>
                        <textarea id="brandDescription" name="description" class="form-control" rows="4" placeholder="請描述品牌特色、目標客群等..."></textarea>
                    </div>
                    
                    <div class="form-group">
                        <label for="targetKeywords">目標關鍵字</label>
                        <textarea id="targetKeywords" name="target_keywords" class="form-control" rows="3" placeholder="請輸入目標關鍵字，用逗號分隔"></textarea>
                    </div>
                    
                    <div class="form-group">
                        <label for="competitorWebsites">競爭對手網站</label>
                        <textarea id="competitorWebsites" name="competitor_websites" class="form-control" rows="3" placeholder="請輸入競爭對手網站，用逗號分隔"></textarea>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" onclick="closeModal('addBrandModal')">取消</button>
                    <button type="submit" class="btn btn-primary">
                        <i class="fas fa-save"></i>
                        儲存品牌
                    </button>
                </div>
            </form>
        </div>
    </div>
    
    <style>
        .brands-content {
            padding: 30px;
        }
        
        .empty-state {
            text-align: center;
            padding: 80px 20px;
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
        }
        
        .empty-state i {
            font-size: 4rem;
            color: #667eea;
            margin-bottom: 20px;
        }
        
        .empty-state h3 {
            font-size: 1.5rem;
            color: #333;
            margin-bottom: 10px;
        }
        
        .empty-state p {
            color: #666;
            margin-bottom: 30px;
        }
        
        .brands-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 25px;
        }
        
        .brand-card {
            background: white;
            border-radius: 15px;
            padding: 25px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease;
        }
        
        .brand-card:hover {
            transform: translateY(-5px);
        }
        
        .brand-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .brand-header h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: #333;
        }
        
        .brand-actions {
            display: flex;
            gap: 10px;
        }
        
        .btn-icon {
            background: none;
            border: none;
            color: #666;
            cursor: pointer;
            padding: 8px;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        
        .btn-icon:hover {
            background: #f0f0f0;
            color: #333;
        }
        
        .brand-info {
            margin-bottom: 20px;
        }
        
        .info-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            color: #666;
        }
        
        .info-item i {
            width: 16px;
            color: #667eea;
        }
        
        .brand-description {
            margin-bottom: 20px;
        }
        
        .brand-description p {
            color: #666;
            line-height: 1.6;
        }
        
        .brand-actions-bottom {
            display: flex;
            gap: 10px;
        }
        
        .btn {
            padding: 10px 20px;
            border: none;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
        }
        
        .btn-secondary {
            background: #6c757d;
            color: white;
        }
        
        .btn-secondary:hover {
            background: #5a6268;
        }
        
        /* Modal Styles */
        .modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
        }
        
        .modal-content {
            background-color: white;
            margin: 5% auto;
            border-radius: 15px;
            width: 90%;
            max-width: 600px;
            max-height: 90vh;
            overflow-y: auto;
        }
        
        .modal-header {
            padding: 25px 30px 20px;
            border-bottom: 1px solid #e0e0e0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .modal-header h2 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #333;
        }
        
        .modal-close {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: #666;
            cursor: pointer;
            padding: 5px;
        }
        
        .modal-body {
            padding: 30px;
        }
        
        .modal-footer {
            padding: 20px 30px 30px;
            border-top: 1px solid #e0e0e0;
            display: flex;
            justify-content: flex-end;
            gap: 15px;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 500;
        }
        
        .form-control {
            width: 100%;
            padding: 12px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        
        .form-control:focus {
            outline: none;
            border-color: #667eea;
        }
        
        .notification {
            position: fixed;
            top: 20px;
            right: 20px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            padding: 15px 20px;
            z-index: 2000;
            transform: translateX(400px);
            transition: transform 0.3s ease;
        }
        
        .notification.show {
            transform: translateX(0);
        }
        
        .notification-success {
            border-left: 4px solid #28a745;
        }
        
        .notification-error {
            border-left: 4px solid #dc3545;
        }
        
        .notification-info {
            border-left: 4px solid #17a2b8;
        }
        
        .notification-content {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .notification-content i {
            font-size: 1.2rem;
        }
        
        .notification-success .notification-content i {
            color: #28a745;
        }
        
        .notification-error .notification-content i {
            color: #dc3545;
        }
        
        .notification-info .notification-content i {
            color: #17a2b8;
        }
    </style>
    
    <script>
        console.log('Brands page loaded');
        
        document.addEventListener('DOMContentLoaded', function() {
            console.log('DOM loaded');
            
            // Test API connection
            testAPI();
            
            // Bind form submission
            const form = document.getElementById('addBrandForm');
            if (form) {
                console.log('Form found, binding submit event');
                form.addEventListener('submit', function(e) {
                    e.preventDefault();
                    console.log('Form submitted');
                    addBrand();
                });
            } else {
                console.error('Form not found!');
            }
        });
        
        async function testAPI() {
            try {
                console.log('Testing API...');
                const response = await fetch('/api/brands.php', {
                    credentials: 'same-origin'
                });
                const result = await response.json();
                console.log('API Response:', result);
                
                if (result.success) {
                    console.log('API working, brands count:', result.data.length);
                } else {
                    console.log('API error:', result.message);
                }
            } catch (error) {
                console.error('API Error:', error);
            }
        }
        
        async function addBrand() {
            const form = document.getElementById('addBrandForm');
            const formData = new FormData(form);
            const data = Object.fromEntries(formData);
            
            console.log('Adding brand:', data);
            
            const submitBtn = form.querySelector('button[type="submit"]');
            const originalText = submitBtn.innerHTML;
            submitBtn.innerHTML = '<i class="fas fa-spinner fa-spin"></i> 處理中...';
            submitBtn.disabled = true;
            
            try {
                const response = await fetch('/api/brands.php', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json',
                    },
                    credentials: 'same-origin',
                    body: JSON.stringify(data)
                });
                
                const result = await response.json();
                console.log('Add brand response:', result);
                
                if (result.success) {
                    showNotification('品牌新增成功！', 'success');
                    form.reset();
                    closeModal('addBrandModal');
                    testAPI(); // Reload data
                } else {
                    showNotification('品牌新增失敗: ' + result.message, 'error');
                }
            } catch (error) {
                console.error('Error:', error);
                showNotification('網路錯誤，請稍後再試', 'error');
            } finally {
                submitBtn.innerHTML = originalText;
                submitBtn.disabled = false;
            }
        }
        
        function showAddBrandModal() {
            document.getElementById('addBrandModal').style.display = 'block';
        }
        
        function closeModal(modalId) {
            document.getElementById(modalId).style.display = 'none';
        }
        
        function showNotification(message, type = 'success') {
            const notification = document.createElement('div');
            notification.className = `notification notification-${type}`;
            notification.innerHTML = `
                <div class="notification-content">
                    <i class="fas fa-${type === 'success' ? 'check-circle' : type === 'error' ? 'exclamation-circle' : 'info-circle'}"></i>
                    <span>${message}</span>
                </div>
            `;
            
            document.body.appendChild(notification);
            
            setTimeout(() => {
                notification.classList.add('show');
            }, 100);
            
            setTimeout(() => {
                notification.classList.remove('show');
                setTimeout(() => {
                    if (document.body.contains(notification)) {
                        document.body.removeChild(notification);
                    }
                }, 300);
            }, 3000);
        }
        
        // Placeholder functions for other actions
        function editBrand(id) {
            showNotification('編輯功能開發中...', 'info');
        }
        
        function deleteBrand(id) {
            showNotification('刪除功能開發中...', 'info');
        }
        
        function viewBrand(id) {
            showNotification('查看詳情功能開發中...', 'info');
        }
        
        function analyzeBrand(id) {
            showNotification('SEO分析功能開發中...', 'info');
        }
    </script>
</body>
</html>
