import 'package:fis_measure/interfaces/process/items/item.dart';
import 'package:fis_measure/interfaces/process/items/item_metas.dart';
import 'package:fis_measure/process/calcuators/a_b_ratio.dart';
import 'package:fis_measure/process/items/item_feature.dart';
import 'package:fis_measure/process/items/item.dart';
import 'package:fis_measure/process/items/top_item_feature.dart';
import 'package:fis_measure/process/primitives/combos/sv.dart';

import 'two_length.dart';

class TwoSv extends TwoLengthAbstract<TwoSvFeature> {
  late final Sv qp;
  late final Sv qs;

  TwoSv(super.meta) {
    {
      final metaQp = meta.childItems[0];
      final metaQs = meta.childItems[1];
      qp = Sv.createSV(metaQp, this);
      qs = Sv.createSV(metaQs, this);
      childItems.add(qp);
      childItems.add(qs);
      isCrossAreaMode = true;
    }
  }

  @override
  MeasureItem<MeasureItemFeature> get child1 => qp;

  @override
  MeasureItem<MeasureItemFeature> get child2 => qs;

  @override
  bool get finishAfterUnactive => true;

  @override
  TwoSvFeature buildFeature() => TwoSvFeature(this);

  static TwoSv crateQpQs(ItemMeta meta, [IMeasureItem? parent]) {
    var ins = TwoSv(meta);
    ins.calculator = QpQsCal(ins);

    return ins;
  }
}

class TwoSvFeature extends TopMeasureItemFeature {
  TwoSvFeature(
    ITopMeasureItem refItem,
  ) : super(refItem);
}