// 功能：家庭成员、设备及共享权限领域模型；版本：1.0.0。

class FamilyDevicePermission {
  const FamilyDevicePermission({
    required this.deviceIdentity,
    required this.deviceName,
    required this.deviceKind,
    required this.canView,
    required this.canAlert,
    required this.canControl,
  });
  final String deviceIdentity, deviceName, deviceKind;
  final bool canView, canAlert, canControl;

  factory FamilyDevicePermission.fromJson(Map<String, Object?> json) => FamilyDevicePermission(
    deviceIdentity: json['device_identity'] as String? ?? '',
    deviceName: json['device_name'] as String? ?? '',
    deviceKind: json['device_kind'] as String? ?? 'unknown',
    canView: json['can_view'] == true,
    canAlert: json['can_alert'] == true,
    canControl: json['can_control'] == true,
  );

  Map<String, Object?> toJson() => {
    'device_identity': deviceIdentity,
    'can_view': canView,
    'can_alert': canAlert,
    'can_control': canControl,
  };
}

class FamilyMember {
  const FamilyMember({
    required this.identity,
    required this.name,
    required this.phoneMasked,
    required this.relationship,
    required this.inviteStatus,
    required this.isOwner,
    required this.permissions,
    this.expiresAt,
  });
  final String identity, name, phoneMasked, relationship;
  final int inviteStatus;
  final bool isOwner;
  final List<FamilyDevicePermission> permissions;
  final DateTime? expiresAt;

  bool get pending => inviteStatus == 10;
  factory FamilyMember.fromJson(Map<String, Object?> json) => FamilyMember(
    identity: json['identity'] as String? ?? '',
    name: json['name'] as String? ?? '',
    phoneMasked: json['phone_masked'] as String? ?? '',
    relationship: json['relationship'] as String? ?? '',
    inviteStatus: (json['invite_status'] as num?)?.toInt() ?? 10,
    isOwner: json['is_owner'] == true,
    permissions: (json['device_permissions'] as List? ?? const [])
        .whereType<Map<Object?, Object?>>()
        .map((e) => FamilyDevicePermission.fromJson(Map<String, Object?>.from(e)))
        .toList(),
    expiresAt: DateTime.tryParse(json['expires_at'] as String? ?? ''),
  );
}

class FamilyDevice {
  const FamilyDevice({
    required this.identity,
    required this.name,
    required this.kind,
    required this.shareCount,
    required this.mappingConfigured,
  });
  final String identity, name, kind;
  final int shareCount;
  final bool mappingConfigured;
  factory FamilyDevice.fromJson(Map<String, Object?> json) => FamilyDevice(
    identity: json['identity'] as String? ?? '',
    name: json['name'] as String? ?? '',
    kind: json['kind'] as String? ?? 'unknown',
    shareCount: (json['share_count'] as num?)?.toInt() ?? 0,
    mappingConfigured: json['mapping_configured'] == true,
  );
}

class FamilyDashboardData {
  const FamilyDashboardData({
    required this.householdName,
    required this.ownerName,
    required this.memberCount,
    required this.deviceCount,
    required this.members,
    required this.devices,
    this.incomingInvitations = const [],
  });
  final String householdName, ownerName;
  final int memberCount, deviceCount;
  final List<FamilyMember> members;
  final List<FamilyDevice> devices;
  final List<FamilyInvitation> incomingInvitations;
  factory FamilyDashboardData.fromJson(Map<String, Object?> json) => FamilyDashboardData(
    householdName: json['household_name'] as String? ?? '我的家庭',
    ownerName: json['owner_name'] as String? ?? '',
    memberCount: (json['member_count'] as num?)?.toInt() ?? 0,
    deviceCount: (json['device_count'] as num?)?.toInt() ?? 0,
    members: (json['members'] as List? ?? const [])
        .whereType<Map<Object?, Object?>>()
        .map((e) => FamilyMember.fromJson(Map<String, Object?>.from(e)))
        .toList(),
    devices: (json['devices'] as List? ?? const [])
        .whereType<Map<Object?, Object?>>()
        .map((e) => FamilyDevice.fromJson(Map<String, Object?>.from(e)))
        .toList(),
    incomingInvitations: (json['incoming_invitations'] as List? ?? const [])
        .whereType<Map<Object?, Object?>>()
        .map((e) => FamilyInvitation.fromJson(Map<String, Object?>.from(e)))
        .toList(),
  );
}

class FamilyInvitation {
  const FamilyInvitation({
    required this.identity,
    required this.ownerName,
    required this.name,
    required this.relationship,
    required this.expiresAt,
  });
  final String identity, ownerName, name, relationship;
  final DateTime? expiresAt;
  factory FamilyInvitation.fromJson(Map<String, Object?> json) => FamilyInvitation(
    identity: json['identity'] as String? ?? '',
    ownerName: json['owner_name'] as String? ?? '',
    name: json['name'] as String? ?? '',
    relationship: json['relationship'] as String? ?? '',
    expiresAt: DateTime.tryParse(json['expires_at'] as String? ?? ''),
  );
}