/home/awneajlw/www/codestechvista.com/admin/settings.php
<?php
session_start();
require_once '../config/database.php';
require_once '../includes/auth.php';

// Check if user is admin
if (!isset($_SESSION['user_id']) || $_SESSION['user_role'] !== 'admin') {
    header('Location: ../login.php');
    exit();
}

$database = new Database();
$db = $database->getConnection();

$success_message = '';
$error_message = '';

// Handle Settings Update
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $action = $_POST['action'] ?? '';
    
    if ($action === 'change_password') {
        $current_password = $_POST['current_password'] ?? '';
        $new_password = $_POST['new_password'] ?? '';
        $confirm_password = $_POST['confirm_password'] ?? '';
        
        if ($new_password !== $confirm_password) {
            $error_message = "New passwords do not match!";
        } elseif (strlen($new_password) < 6) {
            $error_message = "Password must be at least 6 characters!";
        } else {
            // Verify current password
            $query = "SELECT password FROM users WHERE id = ?";
            $stmt = $db->prepare($query);
            $stmt->execute([$_SESSION['user_id']]);
            $user = $stmt->fetch(PDO::FETCH_ASSOC);
            
            if (password_verify($current_password, $user['password'])) {
                $hashed_password = password_hash($new_password, PASSWORD_DEFAULT);
                $query = "UPDATE users SET password = ? WHERE id = ?";
                $stmt = $db->prepare($query);
                $stmt->execute([$hashed_password, $_SESSION['user_id']]);
                $success_message = "Password changed successfully!";
            } else {
                $error_message = "Current password is incorrect!";
            }
        }
    }
}

$page_title = "Settings";
?>
<?php include 'includes/header.php'; ?>
<?php include 'includes/sidebar.php'; ?>

<div class="main-content">
    <!-- Page Header -->
    <div class="page-header">
        <h1 class="page-title">
            <i class="fas fa-cog"></i> Settings
        </h1>
        <nav aria-label="breadcrumb">
            <ol class="breadcrumb">
                <li class="breadcrumb-item"><a href="dashboard.php">Dashboard</a></li>
                <li class="breadcrumb-item active">Settings</li>
            </ol>
        </nav>
    </div>
    
    <!-- Alert Messages -->
    <?php if ($success_message): ?>
        <div class="alert alert-success alert-dismissible fade show" role="alert">
            <i class="fas fa-check-circle"></i> <?php echo htmlspecialchars($success_message); ?>
            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
        </div>
    <?php endif; ?>
    
    <?php if ($error_message): ?>
        <div class="alert alert-danger alert-dismissible fade show" role="alert">
            <i class="fas fa-exclamation-triangle"></i> <?php echo htmlspecialchars($error_message); ?>
            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
        </div>
    <?php endif; ?>
    
    <div class="row g-4">
        <!-- Account Settings -->
        <div class="col-lg-6">
            <div class="content-card">
                <div class="card-header-custom">
                    <h3 class="card-title-custom">
                        <i class="fas fa-user-shield"></i> Account Settings
                    </h3>
                </div>
                
                <div class="mb-3">
                    <label class="form-label text-muted">Admin Name</label>
                    <p class="fw-bold"><?php echo htmlspecialchars($_SESSION['user_name'] ?? 'Admin'); ?></p>
                </div>
                
                <div class="mb-3">
                    <label class="form-label text-muted">Email</label>
                    <p class="fw-bold"><?php echo htmlspecialchars($_SESSION['user_email'] ?? 'admin@eyeclinic.com'); ?></p>
                </div>
                
                <div class="mb-3">
                    <label class="form-label text-muted">Role</label>
                    <p><span class="badge-custom badge-success">Administrator</span></p>
                </div>
            </div>
        </div>
        
        <!-- Change Password -->
        <div class="col-lg-6">
            <div class="content-card">
                <div class="card-header-custom">
                    <h3 class="card-title-custom">
                        <i class="fas fa-key"></i> Change Password
                    </h3>
                </div>
                
                <form method="POST">
                    <input type="hidden" name="action" value="change_password">
                    
                    <div class="mb-3">
                        <label class="form-label">Current Password *</label>
                        <input type="password" name="current_password" class="form-control" required>
                    </div>
                    
                    <div class="mb-3">
                        <label class="form-label">New Password *</label>
                        <input type="password" name="new_password" class="form-control" required>
                        <small class="text-muted">Minimum 6 characters</small>
                    </div>
                    
                    <div class="mb-3">
                        <label class="form-label">Confirm New Password *</label>
                        <input type="password" name="confirm_password" class="form-control" required>
                    </div>
                    
                    <button type="submit" class="btn-primary-custom w-100">
                        <i class="fas fa-save"></i> Update Password
                    </button>
                </form>
            </div>
        </div>
        
        <!-- System Information -->
        <div class="col-lg-12">
            <div class="content-card">
                <div class="card-header-custom">
                    <h3 class="card-title-custom">
                        <i class="fas fa-server"></i> System Information
                    </h3>
                </div>
                
                <div class="row">
                    <div class="col-md-3">
                        <div class="mb-3">
                            <label class="form-label text-muted">PHP Version</label>
                            <p class="fw-bold"><?php echo phpversion(); ?></p>
                        </div>
                    </div>
                    
                    <div class="col-md-3">
                        <div class="mb-3">
                            <label class="form-label text-muted">Server Software</label>
                            <p class="fw-bold"><?php echo $_SERVER['SERVER_SOFTWARE'] ?? 'Unknown'; ?></p>
                        </div>
                    </div>
                    
                    <div class="col-md-3">
                        <div class="mb-3">
                            <label class="form-label text-muted">Database</label>
                            <p class="fw-bold">MySQL</p>
                        </div>
                    </div>
                    
                    <div class="col-md-3">
                        <div class="mb-3">
                            <label class="form-label text-muted">Timezone</label>
                            <p class="fw-bold"><?php echo date_default_timezone_get(); ?></p>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- jQuery -->
<script src="https://code.jquery.com/jquery-3.7.0.min.js"></script>
<!-- Bootstrap JS -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>

</body>
</html>