<?php
if (session_status() == PHP_SESSION_NONE) {
    session_start();
}

require_once 'includes/db.php';

$currentUser = getCurrentUser($pdo);
$currentPage = basename($_SERVER['PHP_SELF']);
?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title><?php echo isset($pageTitle) ? $pageTitle . ' - ' : ''; ?>Expense Tracker</title>
    
    <!-- Bootstrap CSS -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
    
    <!-- Font Awesome Icons -->
    <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">
    
    <!-- Chart.js -->
    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
    
    <!-- Custom CSS -->
    <link href="assets/css/style.css" rel="stylesheet">
</head>
<body>
    <?php if (isLoggedIn()): ?>
    <nav class="navbar navbar-expand-lg navbar-dark bg-primary">
        <div class="container">
            <a class="navbar-brand" href="index.php">
                <i class="fas fa-wallet me-2"></i>Expense Tracker
            </a>
            
            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav">
                <span class="navbar-toggler-icon"></span>
            </button>
            
            <div class="collapse navbar-collapse" id="navbarNav">
                <ul class="navbar-nav me-auto">
                    <li class="nav-item">
                        <a class="nav-link <?php echo $currentPage == 'index.php' ? 'active' : ''; ?>" href="index.php">
                            <i class="fas fa-tachometer-alt me-1"></i>Dashboard
                        </a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link <?php echo $currentPage == 'add_expense.php' ? 'active' : ''; ?>" href="add_expense.php">
                            <i class="fas fa-plus-circle me-1"></i>Add Expense
                        </a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link <?php echo $currentPage == 'view_expenses.php' ? 'active' : ''; ?>" href="view_expenses.php">
                            <i class="fas fa-list me-1"></i>View Expenses
                        </a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link <?php echo $currentPage == 'reports.php' ? 'active' : ''; ?>" href="reports.php">
                            <i class="fas fa-chart-bar me-1"></i>Reports
                        </a>
                    </li>
                </ul>
                
                <ul class="navbar-nav">
                    <li class="nav-item dropdown">
                        <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown">
                            <i class="fas fa-user me-1"></i><?php echo h($currentUser['full_name']); ?>
                        </a>
                        <ul class="dropdown-menu">
                            <li><a class="dropdown-item" href="profile.php"><i class="fas fa-user-edit me-2"></i>Profile</a></li>
                            <li><hr class="dropdown-divider"></li>
                            <li><a class="dropdown-item" href="logout.php"><i class="fas fa-sign-out-alt me-2"></i>Logout</a></li>
                        </ul>
                    </li>
                </ul>
            </div>
        </div>
    </nav>
    <?php endif; ?>
    
    <main class="container my-4"><?php // Opening main tag - closed in footer.php ?>