<?php
session_start();
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

require_once '../includes/db.php';
require_once '../includes/functions.php';
require_once '../includes/notification.php';

// Ensure only admin can access this page
redirectIfNotAdmin();

// Accept user (Approve and create an account)
if (isset($_GET['accept']) && is_numeric($_GET['accept'])) {
    $userId = $_GET['accept'];

    try {
        $pdo->beginTransaction();

        $stmt = $pdo->prepare("UPDATE users SET status = 'approved' WHERE user_id = ?");
        if (!$stmt->execute([$userId])) {
            throw new Exception("Failed to update user status.");
        }

        $stmt = $pdo->prepare("SELECT COUNT(*) FROM accounts WHERE user_id = ?");
        $stmt->execute([$userId]);
        $hasAccount = $stmt->fetchColumn();

        if (!$hasAccount) {
            $accountNumber = generateUniqueAccountNumber($pdo);
            $stmt = $pdo->prepare("INSERT INTO accounts (user_id, account_number, balance) VALUES (?, ?, 0)");
            if (!$stmt->execute([$userId, $accountNumber])) {
                throw new Exception("Failed to create account for user.");
            }
        }

        $pdo->commit();

        // Send email notification
        $stmt = $pdo->prepare("SELECT email, full_name FROM users WHERE user_id = ?");
        $stmt->execute([$userId]);
        $user = $stmt->fetch();

        if ($user) {
            $email = $user['email'];
            $name = $user['full_name'];

            $subject = "Your Oakshire Finance Account Has Been Approved";
            $body = "<p>Hi <strong>$name</strong>,</p>
                     <p>Your Oakshire Finance account has been <strong>approved</strong> and is now active. You can now log in and use our services.</p>
                     <p>Thank you for joining Oakshire Finance!</p>";

            sendNotification($email, $subject, $body);
        }

        $_SESSION['success'] = "User approved and account created.";
    } catch (Exception $e) {
        $pdo->rollBack();
        $_SESSION['error'] = "Failed to approve user: " . $e->getMessage();
    }

    header("Location: manage-users.php");
    exit();
}

// Reject user
if (isset($_GET['reject']) && is_numeric($_GET['reject'])) {
    $userId = $_GET['reject'];

    try {
        $pdo->prepare("DELETE FROM users WHERE user_id = ?")->execute([$userId]);
        $_SESSION['success'] = "User rejected and deleted.";
    } catch (Exception $e) {
        $_SESSION['error'] = "Failed to reject user: " . $e->getMessage();
    }

    header("Location: manage-users.php");
    exit();
}

// Delete user (only if balance is 0)
if (isset($_GET['delete']) && is_numeric($_GET['delete'])) {
    $userId = $_GET['delete'];

    $stmt = $pdo->prepare("SELECT balance, email, full_name FROM accounts LEFT JOIN users ON accounts.user_id = users.user_id WHERE users.user_id = ?");
    $stmt->execute([$userId]);
    $account = $stmt->fetch();

    if (!$account || $account['balance'] > 0) {
        $_SESSION['error'] = "Cannot delete user. Balance must be 0.";
        header("Location: manage-users.php");
        exit();
    }

    try {
        $pdo->beginTransaction();
        $pdo->prepare("DELETE FROM accounts WHERE user_id = ?")->execute([$userId]);
        $pdo->prepare("DELETE FROM users WHERE user_id = ?")->execute([$userId]);
        $pdo->commit();

        // Send email notification for account deletion
        $email = $account['email'];
        $name = $account['full_name'];

        $subject = "Your Oakshire Finance Account Has Been Deleted";
        $body = "<p>Hi <strong>$name</strong>,</p>
                 <p>Your Oakshire Finance account has been <strong>deleted</strong> by an administrator. All associated data has been removed from our system.</p>
                 <p>If you believe this is a mistake, please contact our support team immediately.</p>";

        sendNotification($email, $subject, $body);

        $_SESSION['success'] = "User deleted successfully and notified.";
    } catch (Exception $e) {
        $pdo->rollBack();
        $_SESSION['error'] = "Failed to delete user: " . $e->getMessage();
    }

    header("Location: manage-users.php");
    exit();
}

// Toggle user activation (Deactivation/Activation)
if (isset($_GET['toggle_active']) && is_numeric($_GET['toggle_active'])) {
    $userId = $_GET['toggle_active'];
    $newStatus = $_GET['status'] == '1' ? 0 : 1;

    try {
        $stmt = $pdo->prepare("UPDATE users SET is_active = ? WHERE user_id = ?");
        $stmt->execute([$newStatus, $userId]);

        // Send activation/deactivation email
        $stmt = $pdo->prepare("SELECT email, full_name FROM users WHERE user_id = ?");
        $stmt->execute([$userId]);
        $user = $stmt->fetch();

        if ($user) {
            $email = $user['email'];
            $name = $user['full_name'];
            $statusText = $newStatus ? 'activated' : 'deactivated';

            $subject = "Your Oakshire Finance Account Has Been $statusText";
            $body = "<p>Hi <strong>$name</strong>,</p>
                     <p>Your Oakshire Finance account has been <strong>$statusText</strong> by an administrator.</p>
                     <p>If you have any concerns, please contact support.</p>";

            sendNotification($email, $subject, $body);
        }

        $_SESSION['success'] = $newStatus ? "User account activated." : "User account deactivated.";
    } catch (Exception $e) {
        $_SESSION['error'] = "Failed to change activation status: " . $e->getMessage();
    }

    header("Location: manage-users.php");
    exit();
}

// Fetch all users
$perPage = 10;
$page = isset($_GET['page']) && is_numeric($_GET['page']) ? (int) $_GET['page'] : 1;
$offset = ($page - 1) * $perPage;
$totalCount = $pdo->query("SELECT COUNT(*) FROM users")->fetchColumn();
$totalPages = ceil($totalCount / $perPage);
$users = $pdo->prepare("
    SELECT u.*, a.account_number, a.balance, iv.id_type, iv.id_file_path, iv.verification_status
    FROM users u 
    LEFT JOIN accounts a ON u.user_id = a.user_id 
    LEFT JOIN id_verifications iv ON u.user_id = iv.user_id
    ORDER BY u.created_at DESC
    LIMIT :perPage OFFSET :offset
");
$users->bindValue(':perPage', $perPage, PDO::PARAM_INT);
$users->bindValue(':offset', $offset, PDO::PARAM_INT);
$users->execute();
$users = $users->fetchAll();

// Get current admin info
$adminId = $_SESSION['user_id'];
$adminInfo = $pdo->prepare("SELECT full_name, email FROM users WHERE user_id = ?");
$adminInfo->execute([$adminId]);
$admin = $adminInfo->fetch();

// Get statistics
$pendingCount = $pdo->query("SELECT COUNT(*) FROM users WHERE status = 'pending'")->fetchColumn();
$approvedCount = $pdo->query("SELECT COUNT(*) FROM users WHERE status = 'approved'")->fetchColumn();
$activeCount = $pdo->query("SELECT COUNT(*) FROM users WHERE is_active = 1")->fetchColumn();
?>

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Oakshire Finance - Manage Users</title>
    <link
        href="https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,300;14..32,400;14..32,500;14..32,600;14..32,700;14..32,800&display=swap"
        rel="stylesheet">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-navy: #0a2540;
            --primary-dark: #0a1c2f;
            --primary-blue: #1a4d8c;
            --accent-blue: #2c7da0;
            --success-green: #2e7d32;
            --warning-orange: #f39c12;
            --error-red: #dc3545;
            --info-blue: #17a2b8;
            --gray-50: #f8f9fc;
            --gray-100: #f1f3f9;
            --gray-200: #e9ecef;
            --gray-300: #dee2e6;
            --gray-400: #ced4da;
            --gray-500: #adb5bd;
            --gray-600: #6c757d;
            --gray-700: #495057;
            --gray-800: #343a40;
            --gray-900: #212529;
            --white: #ffffff;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 28px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s ease;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--gray-50);
            color: var(--gray-800);
            line-height: 1.5;
            overflow-x: hidden;
        }

        /* Layout */
        .dashboard-wrapper {
            display: flex;
            min-height: 100vh;
        }

        /* Sidebar */
        .sidebar {
            width: 280px;
            background: var(--white);
            border-right: 1px solid var(--gray-200);
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            overflow-y: auto;
            transition: var(--transition);
            z-index: 100;
        }

        .sidebar-header {
            padding: 24px;
            border-bottom: 1px solid var(--gray-200);
            text-align: center;
        }

        .logo {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            text-decoration: none;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary-navy);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .logo-icon i {
            font-size: 20px;
            color: white;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-navy);
            letter-spacing: -0.3px;
        }

        .nav-menu {
            padding: 24px 16px;
        }

        .nav-item {
            margin-bottom: 8px;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: 12px;
            text-decoration: none;
            color: var(--gray-700);
            transition: var(--transition);
            font-weight: 500;
            font-size: 14px;
        }

        .nav-link i {
            width: 20px;
            font-size: 18px;
        }

        .nav-link:hover {
            background: var(--gray-100);
            color: var(--primary-blue);
        }

        .nav-link.active {
            background: var(--primary-navy);
            color: white;
        }

        .nav-link.active i {
            color: white;
        }

        .logout-section {
            padding: 24px 16px;
            border-top: 1px solid var(--gray-200);
            margin-top: auto;
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--white);
        }

        .logout-btn {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: 12px;
            text-decoration: none;
            color: var(--error-red);
            transition: var(--transition);
            font-weight: 500;
        }

        .logout-btn:hover {
            background: rgba(220, 53, 69, 0.1);
        }

        /* Main Content */
        .main-content {
            flex: 1;
            margin-left: 280px;
            min-height: 100vh;
        }

        /* Top Header */
        .top-header {
            background: var(--white);
            border-bottom: 1px solid var(--gray-200);
            padding: 16px 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 99;
        }

        .page-title h1 {
            font-size: 24px;
            font-weight: 700;
            color: var(--gray-900);
        }

        .user-menu {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .notification-btn {
            position: relative;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--gray-600);
            cursor: pointer;
            transition: var(--transition);
        }

        .notification-btn:hover {
            color: var(--primary-blue);
        }

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

        .user-avatar {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary-navy), var(--primary-blue));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .user-avatar i {
            font-size: 18px;
            color: white;
        }

        .user-details h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--gray-900);
        }

        .user-details p {
            font-size: 12px;
            color: var(--gray-600);
        }

        /* Content Area */
        .content-area {
            padding: 32px;
        }

        /* Stats Cards */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            margin-bottom: 32px;
        }

        .stat-card {
            background: var(--white);
            border-radius: 20px;
            padding: 20px;
            border: 1px solid var(--gray-200);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .stat-icon {
            width: 48px;
            height: 48px;
            background: rgba(26, 77, 140, 0.1);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .stat-icon i {
            font-size: 24px;
            color: var(--primary-blue);
        }

        .stat-card h3 {
            font-size: 13px;
            font-weight: 500;
            color: var(--gray-600);
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .stat-value {
            font-size: 28px;
            font-weight: 700;
            color: var(--gray-900);
        }

        /* Alerts */
        .alert {
            padding: 14px 16px;
            border-radius: 12px;
            margin-bottom: 24px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .alert-success {
            background: rgba(46, 125, 50, 0.1);
            border-left: 3px solid var(--success-green);
            color: var(--success-green);
        }

        .alert-danger {
            background: rgba(220, 53, 69, 0.1);
            border-left: 3px solid var(--error-red);
            color: var(--error-red);
        }

        /* Table */
        .table-container {
            background: var(--white);
            border-radius: 20px;
            border: 1px solid var(--gray-200);
            overflow-x: auto;
            margin-bottom: 24px;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
        }

        .data-table th,
        .data-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--gray-200);
        }

        .data-table th {
            background: var(--gray-50);
            font-weight: 600;
            font-size: 13px;
            color: var(--gray-700);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .data-table td {
            font-size: 14px;
            color: var(--gray-800);
        }

        .data-table tr:hover td {
            background: var(--gray-50);
        }

        /* Badges */
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
        }

        .badge-success {
            background: rgba(46, 125, 50, 0.1);
            color: var(--success-green);
        }

        .badge-warning {
            background: rgba(243, 156, 18, 0.1);
            color: var(--warning-orange);
        }

        .badge-info {
            background: rgba(23, 162, 184, 0.1);
            color: var(--info-blue);
        }

        .badge-danger {
            background: rgba(220, 53, 69, 0.1);
            color: var(--error-red);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            border-radius: 8px;
            font-size: 12px;
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-sm {
            padding: 4px 10px;
            font-size: 11px;
        }

        .btn-success {
            background: rgba(46, 125, 50, 0.1);
            color: var(--success-green);
        }

        .btn-success:hover {
            background: var(--success-green);
            color: white;
        }

        .btn-danger {
            background: rgba(220, 53, 69, 0.1);
            color: var(--error-red);
        }

        .btn-danger:hover {
            background: var(--error-red);
            color: white;
        }

        .btn-warning {
            background: rgba(243, 156, 18, 0.1);
            color: var(--warning-orange);
        }

        .btn-warning:hover {
            background: var(--warning-orange);
            color: white;
        }

        .btn-info {
            background: rgba(23, 162, 184, 0.1);
            color: var(--info-blue);
        }

        .btn-info:hover {
            background: var(--info-blue);
            color: white;
        }

        .action-buttons {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        /* Pagination */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 24px;
        }

        .pagination a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            padding: 0 12px;
            border-radius: 8px;
            background: var(--white);
            border: 1px solid var(--gray-200);
            color: var(--gray-700);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

        .pagination a:hover {
            background: var(--gray-100);
            border-color: var(--gray-300);
        }

        .pagination a.active {
            background: var(--primary-navy);
            border-color: var(--primary-navy);
            color: white;
        }

        /* Empty State */
        .empty-state {
            text-align: center;
            padding: 48px;
            color: var(--gray-500);
        }

        .empty-state i {
            font-size: 48px;
            margin-bottom: 16px;
            opacity: 0.5;
        }

        /* Hamburger Menu */
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--gray-700);
        }

        /* Mobile Responsive */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                z-index: 1000;
            }

            .sidebar.mobile-open {
                transform: translateX(0);
            }

            .main-content {
                margin-left: 0;
            }

            .hamburger {
                display: block;
            }
        }

        @media (max-width: 768px) {
            .content-area {
                padding: 20px;
            }

            .top-header {
                padding: 12px 20px;
            }

            .page-title h1 {
                font-size: 20px;
            }

            .user-details {
                display: none;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .data-table th,
            .data-table td {
                padding: 12px 16px;
            }
        }
    </style>
    <link rel="stylesheet" href="../assets/css/nexus-theme.css">
</head>

<body>
    <div class="dashboard-wrapper">
        <!-- Sidebar Navigation -->
        <aside class="sidebar" id="sidebar">
            <div class="sidebar-header">
                <a href="dashboard.php" class="logo">
                    <div class="logo-icon">
                        <i class="fas fa-building-columns"></i>
                    </div>
                    <span class="logo-text">Oakshire Finance</span>
                </a>
            </div>

            <nav class="nav-menu">
                <div class="nav-item">
                    <a href="dashboard.php" class="nav-link">
                        <i class="fas fa-chart-line"></i>
                        <span>Dashboard</span>
                    </a>
                </div>
                <div class="nav-item">
                    <a href="manage-users.php" class="nav-link active">
                        <i class="fas fa-users"></i>
                        <span>Manage Users</span>
                    </a>
                </div>
                <div class="nav-item">
                    <a href="manage-loans.php" class="nav-link">
                        <i class="fas fa-hand-holding-usd"></i>
                        <span>Manage Loans</span>
                    </a>
                </div>
                <div class="nav-item">
                    <a href="manage-investments.php" class="nav-link">
                        <i class="fas fa-chart-pie"></i>
                        <span>Manage Investments</span>
                    </a>
                </div>
                <div class="nav-item">
                    <a href="track-investments.php" class="nav-link">
                        <i class="fas fa-chart-simple"></i>
                        <span>Users Investments</span>
                    </a>
                </div>
                <div class="nav-item">
                    <a href="role.php" class="nav-link">
                        <i class="fas fa-user-tag"></i>
                        <span>Roles</span>
                    </a>
                </div>
                <div class="nav-item">
                    <a href="recent_transactions.php" class="nav-link">
                        <i class="fas fa-exchange-alt"></i>
                        <span>Transactions</span>
                    </a>
                </div>
                <div class="nav-item">
                    <a href="loan-history.php" class="nav-link">
                        <i class="fas fa-history"></i>
                        <span>Loan History</span>
                    </a>
                </div>
                <div class="nav-item">
                    <a href="login-records.php" class="nav-link">
                        <i class="fas fa-sign-in-alt"></i>
                        <span>Login Records</span>
                    </a>
                </div>
                <div class="nav-item">
                    <a href="manage-messages.php" class="nav-link">
                        <i class="fas fa-envelope"></i>
                        <span>Contact Messages</span>
                    </a>
                </div>
            </nav>

            <div class="logout-section">
                <a href="../logout.php" class="logout-btn">
                    <i class="fas fa-sign-out-alt"></i>
                    <span>Logout</span>
                </a>
            </div>
        </aside>

        <!-- Main Content -->
        <main class="main-content">
            <!-- Top Header -->
            <header class="top-header">
                <button class="hamburger" id="hamburger">
                    <i class="fas fa-bars"></i>
                </button>
                <div class="page-title">
                    <h1>Manage Users</h1>
                </div>
                <div class="user-menu">
                    <button class="notification-btn">
                        <i class="fas fa-bell"></i>
                    </button>
                    <div class="user-info">
                        <div class="user-avatar">
                            <i class="fas fa-user-shield"></i>
                        </div>
                        <div class="user-details">
                            <h4><?= htmlspecialchars($admin['full_name'] ?? 'Admin User') ?></h4>
                            <p>System Administrator</p>
                        </div>
                    </div>
                </div>
            </header>

            <!-- Content Area -->
            <div class="content-area">
                <!-- Statistics Cards -->
                <div class="stats-grid">
                    <div class="stat-card">
                        <div class="stat-icon">
                            <i class="fas fa-users"></i>
                        </div>
                        <h3>Total Users</h3>
                        <div class="stat-value"><?= number_format($totalCount) ?></div>
                    </div>
                    <div class="stat-card">
                        <div class="stat-icon">
                            <i class="fas fa-clock"></i>
                        </div>
                        <h3>Pending Approval</h3>
                        <div class="stat-value"><?= number_format($pendingCount) ?></div>
                    </div>
                    <div class="stat-card">
                        <div class="stat-icon">
                            <i class="fas fa-check-circle"></i>
                        </div>
                        <h3>Approved Users</h3>
                        <div class="stat-value"><?= number_format($approvedCount) ?></div>
                    </div>
                    <div class="stat-card">
                        <div class="stat-icon">
                            <i class="fas fa-user-check"></i>
                        </div>
                        <h3>Active Now</h3>
                        <div class="stat-value"><?= number_format($activeCount) ?></div>
                    </div>
                </div>

                <!-- Alerts -->
                <?php if (isset($_SESSION['success'])): ?>
                    <div class="alert alert-success">
                        <i class="fas fa-check-circle"></i>
                        <span><?= $_SESSION['success'] ?></span>
                    </div>
                    <?php unset($_SESSION['success']); ?>
                <?php endif; ?>

                <?php if (isset($_SESSION['error'])): ?>
                    <div class="alert alert-danger">
                        <i class="fas fa-exclamation-circle"></i>
                        <span><?= $_SESSION['error'] ?></span>
                    </div>
                    <?php unset($_SESSION['error']); ?>
                <?php endif; ?>

                <!-- Users Table -->
                <div class="table-container">
                    <?php if (empty($users)): ?>
                        <div class="empty-state">
                            <i class="fas fa-users-slash"></i>
                            <p>No users found</p>
                        </div>
                    <?php else: ?>
                        <table class="data-table">
                            <thead>
                                <tr>
                                    <th>Name</th>
                                    <th>Email</th>
                                    <th>Account</th>
                                    <th>Balance</th>
                                    <th>Status</th>
                                    <th>ID Verification</th>
                                    <th>Active</th>
                                    <th>Joined On</th>
                                    <th>Actions</th>
                                </tr>
                            </thead>
                            <tbody>
                                <?php foreach ($users as $user): ?>
                                    <tr>
                                        <td>
                                            <strong><?= htmlspecialchars($user['full_name']) ?></strong>
                                        </td>
                                        <td><?= htmlspecialchars($user['email']) ?></td>
                                        <td>
                                            <?php if ($user['account_number']): ?>
                                                <code><?= htmlspecialchars($user['account_number']) ?></code>
                                            <?php else: ?>
                                                <span class="badge badge-warning">No Account</span>
                                            <?php endif; ?>
                                        </td>
                                        <td>
                                            <strong>$<?= number_format($user['balance'] ?? 0, 2) ?></strong>
                                        </td>
                                        <td>
                                            <?php if ($user['status'] === 'approved'): ?>
                                                <span class="badge badge-success">✓ Approved</span>
                                            <?php else: ?>
                                                <span class="badge badge-warning">⏳ Pending</span>
                                            <?php endif; ?>
                                        </td>
                                        <td>
                                            <?php if ($user['id_file_path']): ?>
                                                <?php
                                                $verificationClass = 'badge-warning';
                                                if ($user['verification_status'] === 'verified')
                                                    $verificationClass = 'badge-success';
                                                if ($user['verification_status'] === 'rejected')
                                                    $verificationClass = 'badge-danger';
                                                ?>
                                                <span class="badge <?= $verificationClass ?>">
                                                    <?= ucfirst($user['verification_status'] ?? 'pending') ?>
                                                </span>
                                                <a href="view-id.php?user_id=<?= $user['user_id'] ?>" class="btn btn-sm btn-info"
                                                    style="margin-top: 4px;">
                                                    <i class="fas fa-eye"></i> View
                                                </a>
                                            <?php else: ?>
                                                <span class="badge badge-danger">No ID</span>
                                            <?php endif; ?>
                                        </td>
                                        <td>
                                            <?php if ($user['is_active']): ?>
                                                <span class="badge badge-success">🟢 Active</span>
                                            <?php else: ?>
                                                <span class="badge badge-danger">🔴 Inactive</span>
                                            <?php endif; ?>
                                        </td>
                                        <td><?= date('M j, Y', strtotime($user['created_at'])) ?></td>
                                        <td>
                                            <div class="action-buttons">
                                                <?php if ($user['status'] !== 'approved'): ?>
                                                    <a href="manage-users.php?accept=<?= $user['user_id'] ?>"
                                                        class="btn btn-sm btn-success"
                                                        onclick="return confirm('Approve this user?')">
                                                        <i class="fas fa-check"></i> Approve
                                                    </a>
                                                    <a href="manage-users.php?reject=<?= $user['user_id'] ?>"
                                                        class="btn btn-sm btn-danger"
                                                        onclick="return confirm('Reject and delete this user?')">
                                                        <i class="fas fa-times"></i> Reject
                                                    </a>
                                                <?php endif; ?>

                                                <?php if ($user['status'] === 'approved'): ?>
                                                    <?php if ($user['is_active']): ?>
                                                        <a href="manage-users.php?toggle_active=<?= $user['user_id'] ?>&status=1"
                                                            class="btn btn-sm btn-warning"
                                                            onclick="return confirm('Deactivate this user?')">
                                                            <i class="fas fa-ban"></i> Deactivate
                                                        </a>
                                                    <?php else: ?>
                                                        <a href="manage-users.php?toggle_active=<?= $user['user_id'] ?>&status=0"
                                                            class="btn btn-sm btn-success"
                                                            onclick="return confirm('Activate this user?')">
                                                            <i class="fas fa-play"></i> Activate
                                                        </a>
                                                    <?php endif; ?>

                                                    <?php if (($user['balance'] ?? 0) == 0): ?>
                                                        <a href="manage-users.php?delete=<?= $user['user_id'] ?>"
                                                            class="btn btn-sm btn-danger"
                                                            onclick="return confirm('Are you sure you want to delete this user? This action cannot be undone.')">
                                                            <i class="fas fa-trash"></i> Delete
                                                        </a>
                                                    <?php endif; ?>
                                                <?php endif; ?>
                                            </div>
                                        </td>
                                    </tr>
                                <?php endforeach; ?>
                            </tbody>
                        </table>
                    <?php endif; ?>
                </div>

                <!-- Pagination -->
                <?php if ($totalPages > 1): ?>
                    <div class="pagination">
                        <?php if ($page > 1): ?>
                            <a href="?page=<?= $page - 1 ?>">&laquo; Prev</a>
                        <?php endif; ?>

                        <?php for ($i = 1; $i <= $totalPages; $i++): ?>
                            <a href="?page=<?= $i ?>" class="<?= $i == $page ? 'active' : '' ?>"><?= $i ?></a>
                        <?php endfor; ?>

                        <?php if ($page < $totalPages): ?>
                            <a href="?page=<?= $page + 1 ?>">Next &raquo;</a>
                        <?php endif; ?>
                    </div>
                <?php endif; ?>
            </div>
        </main>
    </div>

    <script>
        // Mobile sidebar toggle
        const hamburger = document.getElementById('hamburger');
        const sidebar = document.getElementById('sidebar');

        if (hamburger) {
            hamburger.addEventListener('click', function () {
                sidebar.classList.toggle('mobile-open');
            });
        }

        // Close sidebar when clicking outside on mobile
        document.addEventListener('click', function (event) {
            if (window.innerWidth <= 1024) {
                const isClickInside = sidebar.contains(event.target) || hamburger.contains(event.target);
                if (!isClickInside && sidebar.classList.contains('mobile-open')) {
                    sidebar.classList.remove('mobile-open');
                }
            }
        });

        // Auto-dismiss alerts after 5 seconds
        const alerts = document.querySelectorAll('.alert');
        alerts.forEach(alert => {
            setTimeout(() => {
                alert.style.transition = 'opacity 0.3s ease';
                alert.style.opacity = '0';
                setTimeout(() => alert.remove(), 300);
            }, 5000);
        });
    </script>
</body>

</html>