enum PetGender { male, female }

enum WeatherCondition { sunny, cloudy, rainy, overcast, snow }

class LocationWeather {
  const LocationWeather({
    required this.city,
    required this.district,
    required this.temperature,
    required this.condition,
    required this.conditionText,
    required this.highTemperature,
    required this.lowTemperature,
    required this.humidity,
  });

  final String city;
  final String district;
  final int temperature;
  final WeatherCondition condition;
  final String conditionText;
  final int highTemperature;
  final int lowTemperature;
  final int humidity;

  String get displayArea => district.isEmpty ? city : '$city · $district';

  String get petAdvice {
    if (condition == WeatherCondition.rainy) {
      return '今天有雨，外出记得带雨具并及时擦干脚掌。';
    }
    if (condition == WeatherCondition.snow) {
      return '天气寒冷，短毛宠物外出记得做好保暖。';
    }
    if (temperature >= 30) {
      return '今天较热，建议清晨或傍晚带毛孩子出门。';
    }
    if (temperature <= 8) {
      return '气温偏低，散步时间不宜过长，注意保暖。';
    }
    if (condition == WeatherCondition.sunny) {
      return '天气不错，适合和毛孩子一起去户外散步。';
    }
    return '体感舒适，适合安排一次轻松的户外活动。';
  }

  factory LocationWeather.fromJson(Map<String, dynamic> json) {
    return LocationWeather(
      city: json['city'] as String,
      district: json['district'] as String? ?? '',
      temperature: json['temperature'] as int,
      condition: WeatherCondition.values.firstWhere(
        (value) => value.name == json['condition'],
        orElse: () => WeatherCondition.sunny,
      ),
      conditionText: json['conditionText'] as String,
      highTemperature: json['highTemperature'] as int,
      lowTemperature: json['lowTemperature'] as int,
      humidity: json['humidity'] as int,
    );
  }

  Map<String, dynamic> toJson() => {
    'city': city,
    'district': district,
    'temperature': temperature,
    'condition': condition.name,
    'conditionText': conditionText,
    'highTemperature': highTemperature,
    'lowTemperature': lowTemperature,
    'humidity': humidity,
  };
}

class PetProfile {
  const PetProfile({
    required this.name,
    required this.breed,
    required this.gender,
    required this.birthday,
    required this.weight,
    required this.tags,
    required this.avatarUrl,
  });

  final String name;
  final String breed;
  final PetGender gender;
  final String birthday;
  final double weight;
  final List<String> tags;
  final String avatarUrl;

  PetProfile copyWith({
    String? name,
    String? breed,
    PetGender? gender,
    String? birthday,
    double? weight,
    List<String>? tags,
    String? avatarUrl,
  }) {
    return PetProfile(
      name: name ?? this.name,
      breed: breed ?? this.breed,
      gender: gender ?? this.gender,
      birthday: birthday ?? this.birthday,
      weight: weight ?? this.weight,
      tags: tags ?? this.tags,
      avatarUrl: avatarUrl ?? this.avatarUrl,
    );
  }

  factory PetProfile.fromJson(Map<String, dynamic> json) {
    return PetProfile(
      name: json['name'] as String,
      breed: json['breed'] as String,
      gender: json['gender'] == 'female' ? PetGender.female : PetGender.male,
      birthday: json['birthday'] as String,
      weight: (json['weight'] as num).toDouble(),
      tags: List<String>.from(json['tags'] as List),
      avatarUrl: json['avatarUrl'] as String,
    );
  }

  Map<String, dynamic> toJson() => {
    'name': name,
    'breed': breed,
    'gender': gender.name,
    'birthday': birthday,
    'weight': weight,
    'tags': tags,
    'avatarUrl': avatarUrl,
  };
}

class CommentModel {
  const CommentModel({
    required this.id,
    required this.authorName,
    required this.authorAvatar,
    required this.content,
    required this.time,
  });

  final String id;
  final String authorName;
  final String authorAvatar;
  final String content;
  final String time;

  factory CommentModel.fromJson(Map<String, dynamic> json) {
    return CommentModel(
      id: json['id'] as String,
      authorName: json['authorName'] as String,
      authorAvatar: json['authorAvatar'] as String,
      content: json['content'] as String,
      time: json['time'] as String,
    );
  }

  Map<String, dynamic> toJson() => {
    'id': id,
    'authorName': authorName,
    'authorAvatar': authorAvatar,
    'content': content,
    'time': time,
  };
}

class PostModel {
  const PostModel({
    required this.id,
    required this.authorName,
    required this.authorAvatar,
    required this.time,
    required this.breedTag,
    required this.content,
    required this.mainImage,
    required this.likes,
    required this.tags,
    required this.comments,
    this.hasLiked = false,
    this.hasBookmarked = false,
  });

  final String id;
  final String authorName;
  final String authorAvatar;
  final String time;
  final String breedTag;
  final String content;
  final String mainImage;
  final int likes;
  final List<String> tags;
  final List<CommentModel> comments;
  final bool hasLiked;
  final bool hasBookmarked;

  PostModel copyWith({
    int? likes,
    List<CommentModel>? comments,
    bool? hasLiked,
    bool? hasBookmarked,
  }) {
    return PostModel(
      id: id,
      authorName: authorName,
      authorAvatar: authorAvatar,
      time: time,
      breedTag: breedTag,
      content: content,
      mainImage: mainImage,
      likes: likes ?? this.likes,
      tags: tags,
      comments: comments ?? this.comments,
      hasLiked: hasLiked ?? this.hasLiked,
      hasBookmarked: hasBookmarked ?? this.hasBookmarked,
    );
  }

  factory PostModel.fromJson(Map<String, dynamic> json) {
    return PostModel(
      id: json['id'] as String,
      authorName: json['authorName'] as String,
      authorAvatar: json['authorAvatar'] as String,
      time: json['time'] as String,
      breedTag: json['breedTag'] as String,
      content: json['content'] as String,
      mainImage: json['mainImage'] as String,
      likes: json['likes'] as int,
      tags: List<String>.from(json['tags'] as List),
      comments: (json['comments'] as List)
          .map((item) => CommentModel.fromJson(item as Map<String, dynamic>))
          .toList(),
      hasLiked: json['hasLiked'] as bool? ?? false,
      hasBookmarked: json['hasBookmarked'] as bool? ?? false,
    );
  }

  Map<String, dynamic> toJson() => {
    'id': id,
    'authorName': authorName,
    'authorAvatar': authorAvatar,
    'time': time,
    'breedTag': breedTag,
    'content': content,
    'mainImage': mainImage,
    'likes': likes,
    'tags': tags,
    'comments': comments.map((comment) => comment.toJson()).toList(),
    'hasLiked': hasLiked,
    'hasBookmarked': hasBookmarked,
  };
}

enum ProviderKind { hospital, grooming, personal }

class ServiceProviderModel {
  const ServiceProviderModel({
    required this.id,
    required this.kind,
    required this.name,
    required this.distance,
    required this.rating,
    required this.description,
    required this.tags,
    required this.price,
    required this.image,
    this.verified = false,
  });

  final String id;
  final ProviderKind kind;
  final String name;
  final String distance;
  final double rating;
  final String description;
  final List<String> tags;
  final int price;
  final String image;
  final bool verified;
}

class CreationStyle {
  const CreationStyle({
    required this.id,
    required this.title,
    required this.subtitle,
    required this.image,
  });

  final String id;
  final String title;
  final String subtitle;
  final String image;
}