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/flow.dart';
import 'package:fis_measure/process/calcuators/sv.dart';
import 'package:fis_measure/process/items/top_item.dart';
import 'package:fis_measure/process/items/top_item_feature.dart';

import '../multi_method/multiple_trace.dart';
import '../straightline.dart';

class Sv extends TopMeasureItem<SvFeature> {
  late final StraightLine l;
  late final MultiTrace trace;

  Sv(super.meta) {
    final metaDiam = meta.childItems[0];
    final metaTA = meta.childItems[1];
    l = StraightLine.createDistance(metaDiam, this);
    trace = MultiTrace.createTrace(metaTA, this);
    childItems.add(l);
    childItems.add(trace);
    isCrossAreaMode = true;
    // canChildOutputSelf = false;
  }

  @override
  bool get finishAfterUnactive => true;

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

  static Sv createSV(ItemMeta meta, [IMeasureItem? parent]) {
    var sv = Sv(meta);
    sv.calculator = SvCal(sv);
    return sv;
  }

  static Sv createFlowVol(ItemMeta meta, [IMeasureItem? parent]) {
    var sv = Sv(meta);
    sv.calculator = FlowVolumeCal(sv);
    return sv;
  }
}

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