import 'package:fis_measure/interfaces/process/items/item.dart';
import 'package:fis_measure/interfaces/process/items/item_metas.dart';
import 'package:fis_measure/interfaces/process/items/terms.dart';
import 'package:fis_measure/interfaces/process/items/types.dart';
import 'package:fis_measure/process/calcuators/lv_mass.dart';
import 'package:fis_measure/process/items/top_item.dart';
import 'package:fis_measure/process/items/top_item_feature.dart';
import 'package:fis_measure/process/primitives/straightline.dart';
import 'package:fis_measure/process/primitives/trace.dart';

class LVMass extends TopMeasureItem<LVMassFeature> {
  static const String _lvdEpiLKey = MeasureTerms.EpiLVAd;
  static const String _lvdEndoKey = MeasureTerms.EndoVLAd;
  static const String _lvldKey = MeasureTerms.LVLd;

  late final Trace epi;
  late final Trace endo;
  late final StraightLine l;

  LVMass(ItemMeta meta) : super(meta) {
    final metaEpi = meta.getChildByName(_lvdEpiLKey)!;
    final metaEndo = meta.getChildByName(_lvdEndoKey)!;
    final metaL = meta.getChildByName(_lvldKey)!;
    epi = Trace.createAreaPerimeter(metaEpi, this);
    endo = Trace.createAreaPerimeter(metaEndo, this);
    l = StraightLine.createDistance(metaL, this);
    childItems.add(epi);
    childItems.add(endo);
    childItems.add(l);
  }

  @override
  bool get finishAfterUnactive => true;

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

  static LVMass createLVdMass(ItemMeta meta, [IMeasureItem? parent]) {
    if (meta.measureType != MeasureTypes.LVdMass) {
      throw ArgumentError();
    }
    var ins = LVMass(meta);
    ins.calculator = LvdMassALCal(ins);

    return ins;
  }
}

class LVMassFeature extends TopMeasureItemFeature {
  LVMassFeature(super.refItem);
}