// ─── Requests（手写 toJson，无 fromJson）────────────────────────────────────

class LoginRequest {
  const LoginRequest({
    this.loginType = 'verification_code',
    required this.telephone,
    required this.verificationCode,
  });

  final String loginType;
  final String telephone;
  final String verificationCode;

  Map<String, dynamic> toJson() => {
        'login_type': loginType,
        'telephone': telephone,
        'verification_code': verificationCode,
      };
}

class RegisterRequest {
  const RegisterRequest({
    required this.telephone,
    required this.verificationCode,
  });

  final String telephone;
  final String verificationCode;

  Map<String, dynamic> toJson() => {
        'telephone': telephone,
        'verification_code': verificationCode,
      };
}

class VerifyCodeRequest {
  const VerifyCodeRequest({required this.telephone, required this.scene});

  final String telephone;
  final int scene;

  factory VerifyCodeRequest.login(String telephone) =>
      VerifyCodeRequest(telephone: telephone, scene: 1);

  factory VerifyCodeRequest.changeTelephone(String telephone) =>
      VerifyCodeRequest(telephone: telephone, scene: 2);

  Map<String, dynamic> toJson() => {
        'telephone': telephone,
        'scene': scene,
      };
}

class BindPartnerRequest {
  const BindPartnerRequest({required this.bindCode});

  final String bindCode;

  Map<String, dynamic> toJson() => {'pair_code': bindCode};
}

class PushTokenRequest {
  const PushTokenRequest({
    required this.pushToken,
    required this.deviceInfo,
    required this.pushPlatform,
  });

  final String pushToken;
  final String deviceInfo;
  final int pushPlatform;

  Map<String, dynamic> toJson() => {
        'cid': pushToken,
        'device_info': deviceInfo,
        'push_platform': pushPlatform,
      };
}

class UserInfoUpdateRequest {
  const UserInfoUpdateRequest({this.avatar, this.nickname, this.persona});

  final String? avatar;
  final String? nickname;
  final int? persona;

  Map<String, dynamic> toJson() {
    final json = <String, dynamic>{};
    if (avatar != null) json['avatar'] = avatar;
    if (nickname != null) json['nickname'] = nickname;
    if (persona != null) json['persona'] = persona;
    return json;
  }
}

// ─── Responses（手动反序列化）──────────────────────────────────

class UserAccessToken {
  const UserAccessToken({this.accessToken, this.expireTime});

  final String? accessToken;
  final int? expireTime;

  factory UserAccessToken.fromJson(Map<String, dynamic> json) {
    return UserAccessToken(
      accessToken: json['access_token'] as String?,
      expireTime: json['expire_time'] as int?,
    );
  }

  Map<String, dynamic> toJson() {
    final val = <String, dynamic>{};
    if (accessToken != null) val['access_token'] = accessToken;
    if (expireTime != null) val['expire_time'] = expireTime;
    return val;
  }
}

class LoginResponse {
  const LoginResponse({this.isNewUser, this.accessTokenInfo, this.id});

  final bool? isNewUser;
  final UserAccessToken? accessTokenInfo;
  final int? id;

  String get accessToken => accessTokenInfo?.accessToken ?? '';

  factory LoginResponse.fromJson(Map<String, dynamic> json) {
    return LoginResponse(
      isNewUser: json['is_new_user'] as bool?,
      accessTokenInfo: json['token_info'] == null
          ? null
          : UserAccessToken.fromJson(json['token_info'] as Map<String, dynamic>),
      id: json['id'] as int?,
    );
  }

  Map<String, dynamic> toJson() {
    final val = <String, dynamic>{};
    if (isNewUser != null) val['is_new_user'] = isNewUser;
    if (accessTokenInfo != null) val['token_info'] = accessTokenInfo!.toJson();
    if (id != null) val['id'] = id;
    return val;
  }
}

class RegisterResponse {
  const RegisterResponse({this.accessTokenInfo});

  final UserAccessToken? accessTokenInfo;

  String get accessToken => accessTokenInfo?.accessToken ?? '';

  factory RegisterResponse.fromJson(Map<String, dynamic> json) {
    return RegisterResponse(
      accessTokenInfo: json['token_info'] == null
          ? null
          : UserAccessToken.fromJson(json['token_info'] as Map<String, dynamic>),
    );
  }

  Map<String, dynamic> toJson() {
    final val = <String, dynamic>{};
    if (accessTokenInfo != null) val['token_info'] = accessTokenInfo!.toJson();
    return val;
  }
}

class UserInfoResponse {
  const UserInfoResponse({
    this.id,
    this.pairCode,
    this.pairId,
    this.telephone,
    this.nickname,
    this.avatar,
    this.persona,
    this.status,
    this.lastLoginTime,
    this.createTime,
    this.isBot,
  });

  final int? id;
  final String? pairCode;
  final int? pairId;
  final String? telephone;
  final String? nickname;
  final String? avatar;
  final int? persona;
  final int? status;
  final int? lastLoginTime;
  final int? createTime;
  final int? isBot;

  factory UserInfoResponse.fromJson(Map<String, dynamic> json) {
    return UserInfoResponse(
      id: json['id'] as int?,
      pairCode: json['pair_code'] as String?,
      pairId: json['pair_id'] as int?,
      telephone: json['telephone'] as String?,
      nickname: json['nickname'] as String?,
      avatar: json['avatar'] as String?,
      persona: json['persona'] as int?,
      status: json['status'] as int?,
      lastLoginTime: json['last_login_time'] as int?,
      createTime: json['create_time'] as int?,
      isBot: json['is_bot'] as int?,
    );
  }

  Map<String, dynamic> toJson() {
    final val = <String, dynamic>{};
    if (id != null) val['id'] = id;
    if (pairCode != null) val['pair_code'] = pairCode;
    if (pairId != null) val['pair_id'] = pairId;
    if (telephone != null) val['telephone'] = telephone;
    if (nickname != null) val['nickname'] = nickname;
    if (avatar != null) val['avatar'] = avatar;
    if (persona != null) val['persona'] = persona;
    if (status != null) val['status'] = status;
    if (lastLoginTime != null) val['last_login_time'] = lastLoginTime;
    if (createTime != null) val['create_time'] = createTime;
    if (isBot != null) val['is_bot'] = isBot;
    return val;
  }
}

class BoundUserInfoResponse {
  const BoundUserInfoResponse({this.userInfo, this.partnerUserInfo});

  final UserInfoResponse? userInfo;
  final UserInfoResponse? partnerUserInfo;

  factory BoundUserInfoResponse.fromJson(Map<String, dynamic> json) {
    return BoundUserInfoResponse(
      userInfo: json['user_info'] == null
          ? null
          : UserInfoResponse.fromJson(json['user_info'] as Map<String, dynamic>),
      partnerUserInfo: json['pair_user_info'] == null
          ? null
          : UserInfoResponse.fromJson(
              json['pair_user_info'] as Map<String, dynamic>),
    );
  }

  Map<String, dynamic> toJson() {
    final val = <String, dynamic>{};
    if (userInfo != null) val['user_info'] = userInfo!.toJson();
    if (partnerUserInfo != null) {
      val['pair_user_info'] = partnerUserInfo!.toJson();
    }
    return val;
  }
}

class RongcloudTokenResponse {
  const RongcloudTokenResponse({this.token});

  final String? token;

  factory RongcloudTokenResponse.fromJson(Map<String, dynamic> json) {
    return RongcloudTokenResponse(
      token: json['token'] as String?,
    );
  }

  Map<String, dynamic> toJson() {
    final val = <String, dynamic>{};
    if (token != null) val['token'] = token;
    return val;
  }
}