import 'dart:ui';

import 'package:fis_common/helpers/string.dart';

class _TrStrInner {
  _TrStrInner(String value) {
    _value = value;
  }

  late final String _value;

  /// 值
  String get value => _value;

  @override
  int get hashCode => _value.hashCode;

  @override
  bool operator ==(dynamic other) {
    if (other != null && other is _TrStrInner) return value == other.value;
    return false;
  }

  @override
  String toString() => value;
}

/// Fis翻译字典值
class FTrStr extends _TrStrInner implements Comparable<String>, Pattern {
  /// Fis翻译字典值
  ///
  /// [value] 翻译值
  FTrStr(String value) : super(value);

  @override
  Iterable<Match> allMatches(String string, [int start = 0]) {
    return value.allMatches(string, start);
  }

  @override
  Match? matchAsPrefix(String string, [int start = 0]) {
    return value.matchAsPrefix(string, start);
  }

  @override
  int compareTo(dynamic other) {
    return value.compareTo(other);
  }
}

extension FTrStrExtension on FTrStr {
  /// 翻译值
  String get t => this.value;

  /// 翻译
  ///
  /// [args] 参数集合
  String translate([List<dynamic>? args]) =>
      FStringHelper.formart(this.value, args);
}

abstract class ModuleBase implements IPropQueryable {}

/// 属性可查询
abstract class IPropQueryable {
  /// 根据字段名获取
  dynamic getProp(String propName);
}

class StringMapUtils {
  /// 剥取翻译值
  ///
  /// [key] 字典键
  ///
  /// [defaultValue] 默认翻译
  static FTrStr pickTrStr(Map<String, dynamic> map, String key,
      [String? defaultValue]) {
    dynamic value = map[key];
    if (value == null) value = defaultValue;
    if (value == null)
      throw UnimplementedError(
          'translation keybook is not complete: Key - $key in some module.');
    return FTrStr(value);
  }
}

extension FTrMapPickExtension on Map<String, dynamic> {
  /// 剥取翻译值
  ///
  /// [key] 字典键
  ///
  /// [defaultValue] 默认翻译
  FTrStr pick(String key, [String? defaultValue]) =>
      StringMapUtils.pickTrStr(this, key, defaultValue);
}

extension LocaleExtensions on Locale {
  String toCodeString([String separator = '_']) =>
      '${this.languageCode}$separator${this.countryCode ?? ""}';
}

extension StringLocaleExtensions on String {
  Locale? toLocale([String separator = '_']) {
    if (this.length < 2) return null;
    final splited = this.split(separator);
    return Locale(splited[0], splited.length > 1 ? splited[1] : null);
  }
}