import 'package:flutter_test/flutter_test.dart';
import 'package:pad_scanner/pages/boxing/boxing_box_mutations.dart';
import 'package:pad_scanner/pages/boxing/boxing_models.dart';
import 'package:pad_scanner/services/api_service.dart';

void main() {
  group('boxing box mutations', () {
    test('adds item to a new sorted box', () {
      final result = addExistingBoxItem(
        existingBoxes: [BoxDetailData(boxNo: 3, items: const [])],
        boxNo: 2,
        quantity: 5,
        boxItemId: 22,
        zongpaiNo: 'ZP022',
        workOrderNo: 'WO022',
        totalQuantity: 5,
      );

      expect(result.boxes.map((box) => box.boxNo), [2, 3]);
      expect(result.maxBoxNo, 3);
      expect(result.boxes.first.items.single.zongpaiNo, 'ZP022');
    });

    test('replaces single code item and removes empty source box', () {
      final result = replaceExistingBoxItem(
        existingBoxes: [
          BoxDetailData(
            boxNo: 1,
            items: [BoxItemData(boxItemId: 1, zongpaiNo: 'ZP001', quantity: 2)],
          ),
        ],
        editing: CurrentZongpaiBoxData(boxItemId: 1, boxNo: 1, quantity: 2),
        boxNo: 4,
        quantity: 3,
        zongpaiNo: 'ZP001',
        workOrderNo: 'WO001',
        totalQuantity: 5,
      );

      expect(result.boxes.map((box) => box.boxNo), [4]);
      expect(result.boxes.single.items.single.quantity, 3);
      expect(result.maxBoxNo, 4);
    });

    test('moves packed item to a different box', () {
      final result = replaceExistingPackedItem(
        existingBoxes: [
          BoxDetailData(
            boxNo: 2,
            items: [BoxItemData(boxItemId: 9, zongpaiNo: 'ZP009', quantity: 1)],
          ),
        ],
        item: const ManyToOnePackedItem(
          boxItemId: 9,
          zongpaiNo: 'ZP009',
          workOrderNo: 'WO009',
          boxNo: 2,
          quantity: 1,
          totalQuantity: 3,
        ),
        boxNo: 5,
        quantity: 2,
      );

      expect(result.boxes.map((box) => box.boxNo), [5]);
      expect(result.boxes.single.items.single.quantity, 2);
    });

    test('removes item and drops empty box', () {
      final result = removeExistingBoxItem(
        existingBoxes: [
          BoxDetailData(
            boxNo: 1,
            items: [BoxItemData(boxItemId: 1, zongpaiNo: 'ZP001', quantity: 2)],
          ),
          BoxDetailData(
            boxNo: 3,
            items: [BoxItemData(boxItemId: 2, zongpaiNo: 'ZP002', quantity: 1)],
          ),
        ],
        boxItemId: 1,
      );

      expect(result.boxes.map((box) => box.boxNo), [3]);
      expect(result.maxBoxNo, 3);
    });
  });
}