class IntimacyUtil {
  IntimacyUtil._();

  static final List<IntimacyLevel> intimacyLevels = [
    IntimacyLevel(max: 20, min: 0, name: "初相识", median: 10),
    IntimacyLevel(max: 40, min: 21, name: "追爱期", median: 30),
    IntimacyLevel(max: 60, min: 41, name: "暧昧期", median: 50),
    IntimacyLevel(max: 80, min: 61, name: "恋人", median: 70),
    IntimacyLevel(max: 90, min: 81, name: "伴侣", median: 85),
    IntimacyLevel(max: 100, min: 91, name: "老夫老妻", median: 95),
  ];

  /// 获取亲密程度名称
  static String getIntimacyName(int intimacy) {
    for (final level in intimacyLevels) {
      if (intimacy >= level.min && intimacy <= level.max) {
        return level.name;
      }
    }
    return "未知";
  }

  /// 获取对应的亲密程度对象
  static IntimacyLevel? getIntimacyLevel(int intimacy) {
    for (final level in intimacyLevels) {
      if (intimacy >= level.min && intimacy <= level.max) {
        return level;
      }
    }
    return null;
  }

  static int getMedianByIndex(int index) {
    if (index >= 0 && index < intimacyLevels.length) {
      return intimacyLevels[index].median;
    }
    return 0;
  }
}

class IntimacyLevel {
  final int max;
  final int min;
  final String name;
  final int median;

  const IntimacyLevel({
    required this.max,
    required this.min,
    required this.name,
    required this.median,
  });

  @override
  String toString() => 'IntimacyLevel($name: $min-$max)';
}