<nav class="sidebar">
    <div class="sidebar-header">
        <h5><i class="bi bi-box-seam"></i> พัสดุ</h5>
        <small class="text-muted">ฝ่ายพัสดุ / ผู้ดูแลระบบ</small>
    </div>

    <ul class="nav flex-column p-3">
        <li class="nav-item mb-2">
            <a class="nav-link <?php echo (basename($_SERVER['PHP_SELF']) == 'index.php') ? 'active' : ''; ?>" href="<?php echo BASE_URL; ?>/index.php">
                <i class="bi bi-house-door-fill me-2"></i> หน้าหลัก
            </a>
        </li>
        <li class="nav-item mb-2">
            <a class="nav-link <?php echo (strpos($_SERVER['REQUEST_URI'], '/supplies/') !== false) ? 'active' : ''; ?>" data-bs-toggle="collapse" href="#supplySubmenu" role="button" aria-expanded="<?php echo (strpos($_SERVER['REQUEST_URI'], '/supplies/') !== false) ? 'true' : 'false'; // Corrected ?>" aria-controls="supplySubmenu">
                <i class="bi bi-boxes me-2"></i> จัดการพัสดุ <i class="bi bi-chevron-down float-end"></i>
            </a>
            <ul class="collapse list-unstyled <?php echo (strpos($_SERVER['REQUEST_URI'], '/supplies/') !== false) ? 'show' : ''; ?>" id="supplySubmenu">
                <li>
                    <a class="nav-link ms-3 <?php echo (basename($_SERVER['PHP_SELF']) == 'index.php' && strpos($_SERVER['REQUEST_URI'], '/supplies/') !== false) ? 'active' : ''; // Highlight for list ?>" href="<?php echo BASE_URL; ?>/supplies/index.php"> <i class="bi bi-list-ul me-1"></i> รายการพัสดุ</a>
                </li>
                <li>
                    <a class="nav-link ms-3 <?php echo (basename($_SERVER['PHP_SELF']) == 'supply_add.php') ? 'active' : ''; // Highlight for add form ?>" href="<?php echo BASE_URL; ?>/supplies/supply_add.php"> <i class="bi bi-journal-plus me-1"></i> เพิ่มพัสดุใหม่</a> </li>
                <li>
                    <a class="nav-link ms-3 <?php echo (basename($_SERVER['PHP_SELF']) == 'batch_add.php') ? 'active' : ''; // Highlight for batch add form ?>" href="<?php echo BASE_URL; ?>/supplies/batch_add.php"> <i class="bi bi-plus-circle me-1"></i> เพิ่มสต็อก (รับเข้า)</a>
                </li>
            </ul>
        </li>
        <li class="nav-item mb-2">
             <a class="nav-link <?php echo (strpos($_SERVER['REQUEST_URI'], '/requisitions/list_pending_supply.php') !== false) ? 'active' : ''; ?>" href="<?php echo BASE_URL; ?>/requisitions/list_pending_supply.php">
                <i class="bi bi-clipboard-check-fill me-2"></i> อนุมัติคำขอเบิก
                </a>
        </li>
         <li class="nav-item mb-2">
            <a class="nav-link <?php echo (strpos($_SERVER['REQUEST_URI'], '/requisitions/history_all.php') !== false) ? 'active' : ''; ?>" href="<?php echo BASE_URL; ?>/requisitions/history_all.php">
                <i class="bi bi-clock-history me-2"></i> ประวัติการเบิกทั้งหมด
            </a>
        </li>
        <li class="nav-item mb-2">
            <a class="nav-link <?php echo (strpos($_SERVER['REQUEST_URI'], '/reports/') !== false) ? 'active' : ''; ?>" href="<?php echo BASE_URL; ?>/reports/index.php">
                <i class="bi bi-bar-chart-line-fill me-2"></i> รายงาน
            </a>
        </li>
        <?php if (getUserData('user_type') == 'admin'): ?>
        <li class="nav-item mb-2 border-top pt-2">
             <a class="nav-link" href="#">
                 <i class="bi bi-people-fill me-2"></i> จัดการผู้ใช้ (Admin)
             </a>
        </li>
         <li class="nav-item mb-2">
             <a class="nav-link" href="#">
                 <i class="bi bi-tags-fill me-2"></i> จัดการหมวดหมู่ (Admin)
             </a>
        </li>
         <li class="nav-item mb-2">
             <a class="nav-link" href="#">
                 <i class="bi bi-building me-2"></i> จัดการกลุ่มงาน (Admin)
             </a>
        </li>
        <?php endif; ?>

         <li class="nav-item mt-auto pt-3 border-top">
             <span class="nav-link text-muted small">
                 <i class="bi bi-person-circle me-1"></i> <?php echo htmlspecialchars(getUserData('full_name')); ?>
             </span>
        </li>
         <li class="nav-item">
            <a class="nav-link text-danger" href="<?php echo BASE_URL; ?>/logout.php">
                <i class="bi bi-box-arrow-right me-2"></i> ออกจากระบบ
            </a>
        </li>
    </ul>
</nav>