<?php include 'header.php'; ?>
<?php
if($_SESSION['type'] != 'admin'){ header("Location: user_dashboard.php"); exit(); }
$res_groups = mysqli_query($conn, "SELECT * FROM groups ORDER BY g_id ASC");
?>

<div class="row">
    <div class="col-md-6 mx-auto">
        <div class="card">
            <div class="card-header bg-white py-3 d-flex justify-content-between align-items-center">
                <h5 class="mb-0 fw-bold">จัดการกลุ่มงาน (11 กลุ่ม)</h5>
                <button class="btn btn-sm btn-success" data-bs-toggle="modal" data-bs-target="#addGroupModal">
                    <i class="fas fa-plus"></i> เพิ่มกลุ่ม
                </button>
            </div>
            <div class="card-body">
                <table class="table table-bordered align-middle">
                    <thead class="table-light">
                        <tr>
                            <th width="10%">ID</th>
                            <th>ชื่อกลุ่มงาน</th>
                            <th width="20%" class="text-center">จัดการ</th>
                        </tr>
                    </thead>
                    <tbody>
                        <?php while($row = mysqli_fetch_assoc($res_groups)): ?>
                        <tr>
                            <td><?php echo $row['g_id']; ?></td>
                            <td><?php echo $row['g_name']; ?></td>
                            <td class="text-center">
                                <a href="process.php?action=del_group&id=<?php echo $row['g_id']; ?>" 
                                   class="btn btn-sm btn-danger" onclick="return confirm('ยืนยันการลบกลุ่ม?');">
                                    <i class="fas fa-trash"></i>
                                </a>
                            </td>
                        </tr>
                        <?php endwhile; ?>
                    </tbody>
                </table>
            </div>
        </div>
    </div>
</div>

<div class="modal fade" id="addGroupModal" tabindex="-1" aria-hidden="true">
    <div class="modal-dialog">
        <div class="modal-content">
            <form action="process.php" method="post">
                <input type="hidden" name="action" value="add_group">
                <div class="modal-header">
                    <h5 class="modal-title">เพิ่มกลุ่มงาน</h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                </div>
                <div class="modal-body">
                    <input type="text" name="g_name" class="form-control" placeholder="ชื่อกลุ่มงาน..." required>
                </div>
                <div class="modal-footer">
                    <button type="submit" class="btn btn-success">บันทึก</button>
                </div>
            </form>
        </div>
    </div>
</div>
<?php include 'footer.php'; ?>