feat: tạo hook useNotification.tsx để dùng chung toàn hệ thống

frontend/src/components/AddMemberModal.tsx

@@ -1,5 +1,7 @@
 import React, { useState, useEffect, useMemo } from 'react';
 import { X, Search, UserPlus, Loader2, Shield, Trash2, Clock, Check } from 'lucide-react';
+import { useConfirm } from '@/hooks/useConfirm';
+import { useNotification } from '@/hooks/useNotification';
 
 interface AddMemberModalProps {
   isOpen: boolean;
@@ -22,10 +24,11 @@ export const AddMemberModal: React.FC<AddMemberModalProps> = ({ isOpen, onClose,
   const [submitting, setSubmitting] = useState(false);
   const [fetchError, setFetchError] = useState('');
   const [submitError, setSubmitError] = useState('');
-  const [isConfirmOpen, setIsConfirmOpen] = useState(false);
-  const [confirmTarget, setConfirmTarget] = useState<{ userId: string; name: string } | null>(null);
   const [actionLoading, setActionLoading] = useState<string | null>(null);
 
+  const confirm = useConfirm();
+  const notify = useNotification();
+
   const participantIds = useMemo(() => new Set(participants.map((p) => p.userId)), [participants]);
   const requestUserIds = useMemo(() => new Set(joinRequests.map((r) => (r as any).userId)), [joinRequests]);
   const visibleUsers = useMemo(() => users.filter((u) => !participantIds.has(u.id)), [users, participantIds]);
@@ -66,19 +69,17 @@ export const AddMemberModal: React.FC<AddMemberModalProps> = ({ isOpen, onClose,
 
   const handleRemove = async (userId: string, memberName: string) => {
     if (!onRemoveMember) return;
-    setConfirmTarget({ userId, name: memberName });
-    setIsConfirmOpen(true);
-  };
+    const isConfirmed = await confirm({
+      title: 'Xóa thành viên',
+      message: `Bạn có chắc chắn muốn xóa ${memberName} khỏi tour?`
+    });
 
-  const confirmRemove = async () => {
-    if (!confirmTarget || !onRemoveMember) return;
-    try {
-      await onRemoveMember(confirmTarget.userId);
-    } catch (err: any) {
-      setSubmitError(err.message || 'Không thể xóa thành viên');
-    } finally {
-      setIsConfirmOpen(false);
-      setConfirmTarget(null);
+    if (isConfirmed) {
+      try {
+        await onRemoveMember(userId);
+      } catch (err: any) {
+        setSubmitError(err.message || 'Không thể xóa thành viên');
+      }
     }
   };
 
@@ -99,7 +100,7 @@ export const AddMemberModal: React.FC<AddMemberModalProps> = ({ isOpen, onClose,
       }
       await onMemberAdded();
     } catch (err: any) {
-      alert(err.message || 'Thao tác thất bại');
+      notify({ title: 'Lỗi', message: err.message || 'Thao tác thất bại', type: 'error' });
     } finally {
       setActionLoading(null);
     }
@@ -319,26 +320,6 @@ export const AddMemberModal: React.FC<AddMemberModalProps> = ({ isOpen, onClose,
           </button>
         </div>
       </div>
-
-      {isConfirmOpen && (
-        <div className="fixed inset-0 z-[2100] flex items-center justify-center p-4">
-          <div className="absolute inset-0 bg-gray-900/70 backdrop-blur-sm" onClick={() => setIsConfirmOpen(false)} />
-          <div className="relative w-full max-w-sm bg-white rounded-2xl shadow-2xl p-5">
-            <h3 className="text-base font-bold text-gray-900">Xác nhận xóa thành viên</h3>
-            <p className="mt-2 text-sm text-gray-600">
-              Bạn có chắc muốn xóa <span className="font-semibold text-gray-800">{confirmTarget?.name}</span> khỏi tour này?
-            </p>
-            <div className="mt-4 flex justify-end gap-2">
-              <button onClick={() => setIsConfirmOpen(false)} className="px-3 py-2 rounded-xl text-sm font-bold text-gray-600 hover:bg-gray-100 transition-colors">
-                Hủy
-              </button>
-              <button onClick={confirmRemove} className="px-3 py-2 bg-red-600 hover:bg-red-700 text-white rounded-xl text-sm font-bold transition-colors">
-                Xóa
-              </button>
-            </div>
-          </div>
-        </div>
-      )}
     </div>
   );
 };