// ignore_for_file: invalid_use_of_protected_member, unnecessary_this

part of '../../boxing_page.dart';

extension _BoxingSingleOpsPart on _BoxingPageState {
  void _startEditAssigned(CurrentZongpaiBoxData item) {
    setState(() {
      _editingAssignedItemId = item.boxItemId;
      _editingAssignedQuantity = item.quantity.toString();
      _deletingAssignedItemId = null;
      _statusOverrideText = null;
      _statusOverrideDot = null;
    });
  }

  void _cancelEditAssigned() {
    setState(() {
      _editingAssignedItemId = null;
      _editingAssignedQuantity = '';
    });
  }

  int _maxAssignedQuantity(CurrentZongpaiBoxData item) {
    return boxing_calculations.maxAssignedQuantity(
      totalQuantity: _erpQuantity,
      packedQuantity: _packedQuantity,
      itemQuantity: item.quantity,
    );
  }

  void _refreshSingleCodeNewInput({bool focusQuantity = true}) {
    _boxNoController.text = (_maxBoxNo + 1).toString();
    final remaining = _remainingQuantity;
    if (remaining > 0) {
      _quantityController.text = remaining.toString();
      _quantityController.selection = TextSelection(
        baseOffset: 0,
        extentOffset: _quantityController.text.length,
      );
      if (focusQuantity) {
        _focusQuantityInput();
      }
    } else {
      _quantityController.clear();
    }
    _isDuplicateBoxNo = false;
  }

  Future<void> _saveAssignedItem(CurrentZongpaiBoxData item) async {
    final quantity = int.tryParse(_editingAssignedQuantity);
    if (quantity == null || quantity <= 0) {
      this._showStatusOverride(
        '请输入有效数量',
        StatusDotColor.red,
        const Duration(seconds: 2),
      );
      return;
    }
    if (quantity > this._maxAssignedQuantity(item)) {
      this._showStatusOverride(
        '超出可装数量上限',
        StatusDotColor.red,
        const Duration(seconds: 2),
      );
      return;
    }

    setState(() => _isSubmitting = true);
    final action = await _apiActions.updateBoxRecord(
      boxItemId: item.boxItemId,
      boxNo: item.boxNo,
      quantity: quantity,
    );
    if (!mounted) return;

    setState(() => _isSubmitting = false);
    if (action.success) {
      setState(() {
        _currentZongpaiBoxes = _currentZongpaiBoxes.map((box) {
          if (box.boxItemId != item.boxItemId) return box;
          return CurrentZongpaiBoxData(
            boxItemId: box.boxItemId,
            boxNo: box.boxNo,
            quantity: quantity,
          );
        }).toList();
        this._replaceExistingBoxItem(item, item.boxNo, quantity);
        _editingAssignedItemId = null;
        _editingAssignedQuantity = '';
        this._refreshSingleCodeNewInput();
      });
      this._showStatusOverride(
        '修改成功',
        StatusDotColor.green,
        const Duration(milliseconds: 1500),
      );
    } else {
      this._showActionError(action, fallback: '修改失败');
    }
  }

  Future<void> _deleteAssignedItem(CurrentZongpaiBoxData item) async {
    setState(() => _isSubmitting = true);
    final action = await _apiActions.deleteBoxRecord(boxItemId: item.boxItemId);
    if (!mounted) return;

    setState(() {
      _isSubmitting = false;
      if (action.success) {
        _currentZongpaiBoxes = _currentZongpaiBoxes
            .where((box) => box.boxItemId != item.boxItemId)
            .toList();
        this._removeExistingBoxItem(item.boxItemId);
        if (_editingAssignedItemId == item.boxItemId) {
          _editingAssignedItemId = null;
          _editingAssignedQuantity = '';
        }
        _deletingAssignedItemId = null;
        this._refreshSingleCodeNewInput();
      }
    });

    if (action.success) {
      this._showStatusOverride(
        '删除成功',
        StatusDotColor.green,
        const Duration(milliseconds: 1500),
      );
    } else {
      this._showActionError(action, fallback: '删除失败');
    }
  }
}