import 'package:gshop/app_constants.dart';
import 'package:gshop/domain/model/model/product_model.dart';
import 'package:gshop/domain/model/model/typed_extra.dart';

import 'helper.dart';

abstract class StockFormat {
  StockFormat._();

  static TypedExtra getFirstExtras(
      int selectedIndex, List<Stocks> initialStocks) {
    ExtrasType type = ExtrasType.text;
    String title = '';
    final List<String> uniques = [];
    for (int i = 0; i < initialStocks.length; i++) {
      uniques.add(initialStocks[i].extras?[0].value ?? '');
      title = initialStocks[i].extras?[0].group?.translation?.title ?? '';
      type = AppHelper.getExtraTypeByValue(
          initialStocks[i].extras?[0].group?.type);
    }
    final setOfUniques = uniques.toSet().toList();
    final List<UiExtra> extras = [];
    for (int i = 0; i < setOfUniques.length; i++) {
      if (selectedIndex == i) {
        extras.add(UiExtra(
          setOfUniques[i],
          true,
          i,
        ));
      } else {
        extras.add(UiExtra(setOfUniques[i], false, i));
      }
    }
    return TypedExtra(type, extras, title, 0);
  }

  static TypedExtra getUniqueExtras(List<TypedExtra> groupExtras,
      List<int> selectedIndexes, int index, List<Stocks> initialStocks) {
    List<Stocks> includedStocks = List.from(initialStocks);
    for (int i = 0; i < groupExtras.length; i++) {
      final String includedValue =
          groupExtras[i].uiExtras[selectedIndexes[i]].value;
      includedStocks = getIncludedStocks(includedStocks, i, includedValue);
    }
    final List<String> uniques = [];
    String title = '';
    ExtrasType type = ExtrasType.text;
    for (int i = 0; i < includedStocks.length; i++) {
      uniques.add(includedStocks[i].extras?[index].value ?? '');
      title = includedStocks[i].extras?[index].group?.translation?.title ?? '';
      type = AppHelper.getExtraTypeByValue(
          includedStocks[i].extras?[index].group?.type ?? '');
    }
    final setOfUniques = uniques.toSet().toList();
    final List<UiExtra> extras = [];
    for (int i = 0; i < setOfUniques.length; i++) {
      if (selectedIndexes[groupExtras.length] == i) {
        extras.add(UiExtra(setOfUniques[i], true, i));
      } else {
        extras.add(UiExtra(setOfUniques[i], false, i));
      }
    }
    return TypedExtra(type, extras, title, index);
  }

  static List<Stocks> getIncludedStocks(
    List<Stocks> includedStocks,
    int index,
    String includedValue,
  ) {
    List<Stocks> stocks = [];
    for (int i = 0; i < includedStocks.length; i++) {
      if (includedStocks[i].extras?[index].value == includedValue) {
        stocks.add(includedStocks[i]);
      }
    }
    return stocks;
  }

  static Stocks? getSelectedStock(List<TypedExtra> groupExtras,
      List<Stocks> initialStocks, List<int> selectedIndexes) {
    List<Stocks> stocks = List.from(initialStocks);
    for (int i = 0; i < groupExtras.length; i++) {
      String selectedExtrasValue =
          groupExtras[i].uiExtras[selectedIndexes[i]].value;
      stocks = getSelectedStocks(stocks, selectedExtrasValue, i);
    }
    return stocks[0];
  }

  static List<Stocks> getSelectedStocks(
      List<Stocks> stocks, String value, int index) {
    List<Stocks> included = [];
    for (int i = 0; i < stocks.length; i++) {
      if (stocks[i].extras?[index].value == value) {
        included.add(stocks[i]);
      }
    }
    return included;
  }
}
