eryao/apps/lib/shared/widgets/divination/divination_terms.dart

import '../../../features/divination/data/models/divination_params.dart';
import '../../../l10n/app_localizations.dart';

abstract final class DivinationTerms {
  static const yaoNames = ['初爻', '二爻', '三爻', '四爻', '五爻', '上爻'];

  static const yaoTypeLabels = {
    YaoTypeLabel.youngYang: '少阳',
    YaoTypeLabel.youngYin: '少阴',
    YaoTypeLabel.oldYang: '老阳',
    YaoTypeLabel.oldYin: '老阴',
  };

  static const yinYang = {true: '阳', false: '阴'};

  static const ziHua = {true: '字', false: '花'};

  static const wuXing = ['木', '火', '土', '金', '水'];

  static const yuanZhi = '元';

  static const changeMarkOldYang = '○';
  static const changeMarkOldYin = '×';

  static const yinYangSymbol = {true: '—', false: '--'};
  static const youngYangSymbol = '—';
  static const youngYinSymbol = '--';
  static const oldYangSymbol = '—○';
  static const oldYinSymbol = '--×';

  static const signBest = '上上签';
  static const signGood = '中上签';
  static const signNormal = '中下签';
  static const signWorst = '下下签';

  static const ganZhi = '干支';
  static const ganZhiInfo = '干支信息';
  static const ganZhiKongWang = '干支空亡';
  static const yueJian = '月建';
  static const riChen = '日辰';
  static const yuePo = '月破';
  static const riChong = '日冲';
  static const wuXingWangShuai = '五行旺衰';

  static const guaXiang = '卦象';
  static const yaoXiang = '爻象';
  static const qiGua = '起卦';
  static const jieGua = '解卦';

  static String yaoName(AppLocalizations l10n, int index) {
    return switch (index) {
      0 => l10n.yaoNameFirst,
      1 => l10n.yaoNameSecond,
      2 => l10n.yaoNameThird,
      3 => l10n.yaoNameFourth,
      4 => l10n.yaoNameFifth,
      5 => l10n.yaoNameTop,
      _ => '',
    };
  }

  static String yinYangLabel(AppLocalizations l10n, bool isYang) {
    return isYang ? l10n.yaoYang : l10n.yaoYin;
  }

  static String yaoTypeLabel(AppLocalizations l10n, YaoType type) {
    return switch (type) {
      YaoType.youngYang => l10n.yaoYoungYang,
      YaoType.youngYin => l10n.yaoYoungYin,
      YaoType.oldYang => l10n.yaoOldYang,
      YaoType.oldYin => l10n.yaoOldYin,
      YaoType.undetermined => '',
    };
  }
}

enum YaoTypeLabel { youngYang, youngYin, oldYang, oldYin }

extension YaoTypeLabelX on YaoType {
  String get label {
    return switch (this) {
      YaoType.youngYang =>
        DivinationTerms.yaoTypeLabels[YaoTypeLabel.youngYang]!,
      YaoType.youngYin => DivinationTerms.yaoTypeLabels[YaoTypeLabel.youngYin]!,
      YaoType.oldYang => DivinationTerms.yaoTypeLabels[YaoTypeLabel.oldYang]!,
      YaoType.oldYin => DivinationTerms.yaoTypeLabels[YaoTypeLabel.oldYin]!,
      YaoType.undetermined => '',
    };
  }

  String get changeMark {
    return switch (this) {
      YaoType.oldYang => DivinationTerms.changeMarkOldYang,
      YaoType.oldYin => DivinationTerms.changeMarkOldYin,
      _ => '',
    };
  }

  bool get isYang {
    return switch (this) {
      YaoType.youngYang || YaoType.oldYang => true,
      _ => false,
    };
  }
}