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

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

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

// Get counts
$stats = [];

// Total brands
$query = "SELECT COUNT(*) as count FROM brands";
$stmt = $db->prepare($query);
$stmt->execute();
$stats['brands'] = $stmt->fetch(PDO::FETCH_ASSOC)['count'];

// Total reports
$query = "SELECT COUNT(*) as count FROM seo_reports";
$stmt = $db->prepare($query);
$stmt->execute();
$stats['reports'] = $stmt->fetch(PDO::FETCH_ASSOC)['count'];

// Total content plans
$query = "SELECT COUNT(*) as count FROM content_plans";
$stmt = $db->prepare($query);
$stmt->execute();
$stats['content_plans'] = $stmt->fetch(PDO::FETCH_ASSOC)['count'];

// Total generated content
$query = "SELECT COUNT(*) as count FROM generated_content";
$stmt = $db->prepare($query);
$stmt->execute();
$stats['generated_content'] = $stmt->fetch(PDO::FETCH_ASSOC)['count'];

// Recent activities
$query = "SELECT 'brand' as type, name as title, created_at FROM brands 
          UNION ALL 
          SELECT 'report' as type, title, created_at FROM seo_reports 
          UNION ALL 
          SELECT 'content' as type, title, created_at FROM content_plans 
          ORDER BY created_at DESC LIMIT 10";
$stmt = $db->prepare($query);
$stmt->execute();
$recent_activities = $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>儀表板 - 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>
<?php include '../includes/language_switcher.php'; ?>
    <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 class="active">
                        <a href="dashboard.php">
                            <i class="fas fa-tachometer-alt"></i>
                            <span>儀表板</span>
                        </a>
                    </li>
                    <li>
                        <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-line"></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>
                </ul>
            </nav>
        </aside>
        
        <!-- Main Content -->
        <main class="main-content">
            <!-- Header -->
            <header class="header">
                <div class="header-left">
                    <h1>儀表板</h1>
                    <p>歡迎回來，<?php echo htmlspecialchars($_SESSION['username']); ?>！</p>
                </div>
                <div class="header-right">
                    <div class="user-menu">
                        <div class="user-info">
                            <i class="fas fa-user-circle"></i>
                            <span><?php echo htmlspecialchars($_SESSION['username']); ?></span>
                        </div>
                        <div class="user-dropdown">
                            <a href="profile.php"><i class="fas fa-user"></i> 個人資料</a>
                            <a href="settings.php"><i class="fas fa-cog"></i> 設定</a>
                            <a href="logout.php"><i class="fas fa-sign-out-alt"></i> 登出</a>
                        </div>
                    </div>
                </div>
            </header>
            
            <!-- Dashboard Content -->
            <div class="dashboard-content">
                <!-- Stats Cards -->
                <div class="stats-grid">
                    <div class="stat-card">
                        <div class="stat-icon">
                            <i class="fas fa-building"></i>
                        </div>
                        <div class="stat-content">
                            <h3><?php echo $stats['brands']; ?></h3>
                            <p>管理品牌</p>
                        </div>
                    </div>
                    
                    <div class="stat-card">
                        <div class="stat-icon">
                            <i class="fas fa-chart-line"></i>
                        </div>
                        <div class="stat-content">
                            <h3><?php echo $stats['reports']; ?></h3>
                            <p>SEO報告</p>
                        </div>
                    </div>
                    
                    <div class="stat-card">
                        <div class="stat-icon">
                            <i class="fas fa-edit"></i>
                        </div>
                        <div class="stat-content">
                            <h3><?php echo $stats['content_plans']; ?></h3>
                            <p>內容計畫</p>
                        </div>
                    </div>
                    
                    <div class="stat-card">
                        <div class="stat-icon">
                            <i class="fas fa-file-alt"></i>
                        </div>
                        <div class="stat-content">
                            <h3><?php echo $stats['generated_content']; ?></h3>
                            <p>生成內容</p>
                        </div>
                    </div>
                </div>
                
                <!-- Quick Actions -->
                <div class="quick-actions">
                    <h2>快速操作</h2>
                    <div class="actions-grid">
                        <a href="brands.php?action=add" class="action-card">
                            <i class="fas fa-plus"></i>
                            <h3>新增品牌</h3>
                            <p>建立新的品牌分析專案</p>
                        </a>
                        
                        <a href="reports.php?action=generate" class="action-card">
                            <i class="fas fa-magic"></i>
                            <h3>生成SEO報告</h3>
                            <p>使用AI分析網站SEO狀況</p>
                        </a>
                        
                        <a href="content.php?action=create" class="action-card">
                            <i class="fas fa-pen-fancy"></i>
                            <h3>建立內容計畫</h3>
                            <p>規劃內容行銷策略</p>
                        </a>
                        
                        <a href="analytics.php" class="action-card">
                            <i class="fas fa-chart-bar"></i>
                            <h3>查看分析</h3>
                            <p>檢視SEO成效數據</p>
                        </a>
                    </div>
                </div>
                
                <!-- Recent Activities -->
                <div class="recent-activities">
                    <h2>最近活動</h2>
                    <div class="activity-list">
                        <?php if (empty($recent_activities)): ?>
                            <div class="no-data">
                                <i class="fas fa-inbox"></i>
                                <p>尚無活動記錄</p>
                            </div>
                        <?php else: ?>
                            <?php foreach ($recent_activities as $activity): ?>
                                <div class="activity-item">
                                    <div class="activity-icon">
                                        <i class="fas fa-<?php echo $activity['type'] === 'brand' ? 'building' : ($activity['type'] === 'report' ? 'chart-line' : 'edit'); ?>"></i>
                                    </div>
                                    <div class="activity-content">
                                        <h4><?php echo htmlspecialchars($activity['title']); ?></h4>
                                        <p><?php echo ucfirst($activity['type']); ?> - <?php echo date('Y-m-d H:i', strtotime($activity['created_at'])); ?></p>
                                    </div>
                                </div>
                            <?php endforeach; ?>
                        <?php endif; ?>
                    </div>
                </div>
            </div>
        </main>
    </div>
    
    <script src="../assets/js/admin.js"></script>
</body>
</html>
