import '../../domain/entities/server.dart';

class ServerModel {
  final String id;
  final String hostname;
  final String? ip;
  final String? environment;
  final String? role;
  final String status;
  final String? lastCheckedAt;
  final List<String>? tags;

  const ServerModel({
    required this.id,
    required this.hostname,
    this.ip,
    this.environment,
    this.role,
    required this.status,
    this.lastCheckedAt,
    this.tags,
  });

  factory ServerModel.fromJson(Map<String, dynamic> json) {
    return ServerModel(
      id: json['id']?.toString() ?? '',
      hostname: json['hostname'] as String? ?? 'unknown',
      ip: json['ip'] as String? ?? json['ipAddress'] as String? ??
          json['ip_address'] as String?,
      environment: json['environment'] as String?,
      role: json['role'] as String?,
      status: json['status'] as String? ?? 'unknown',
      lastCheckedAt: json['lastCheckedAt'] as String? ??
          json['last_checked_at'] as String?,
      tags: (json['tags'] as List<dynamic>?)
          ?.map((t) => t.toString())
          .toList(),
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'hostname': hostname,
      if (ip != null) 'ip': ip,
      if (environment != null) 'environment': environment,
      if (role != null) 'role': role,
      'status': status,
      if (tags != null) 'tags': tags,
    };
  }

  /// Converts this model to a domain [Server] entity.
  Server toEntity() {
    return Server(
      id: id,
      hostname: hostname,
      ip: ip,
      environment: environment,
      role: role,
      status: status,
      lastCheckedAt: _parseDateTime(lastCheckedAt),
      tags: tags,
    );
  }

  /// Creates a model from a domain [Server] entity.
  factory ServerModel.fromEntity(Server entity) {
    return ServerModel(
      id: entity.id,
      hostname: entity.hostname,
      ip: entity.ip,
      environment: entity.environment,
      role: entity.role,
      status: entity.status,
      lastCheckedAt: entity.lastCheckedAt?.toIso8601String(),
      tags: entity.tags,
    );
  }

  static DateTime? _parseDateTime(String? value) {
    if (value == null) return null;
    return DateTime.tryParse(value);
  }
}