import 'package:ac_web/Api/Dtos/AgentTaskDto.dart';
import 'package:ac_web/Api/Dtos/EAgentStatus.dart';
import 'package:ac_web/Api/Dtos/EAgentType.dart';
import 'package:ac_web/Api/JsonReader.dart';

/// Dart counterpart of the backend `AgentData` returned by `GET /agents`.
class AgentDto {
  const AgentDto({
    required this.name,
    required this.type,
    required this.lastSeen,
    required this.tasks,
    required this.status,
  });

  final String name;
  final EAgentType type;
  final DateTime lastSeen;
  final List<AgentTaskDto> tasks;
  final EAgentStatus status;

  bool get hasTasks => tasks.isNotEmpty;

  factory AgentDto.fromJson(Map<String, dynamic> json) {
    return AgentDto(
      name: JsonReader.requireString(json, 'Name'),
      type: JsonReader.enumValue(
        json,
        'Type',
        EAgentType.values,
        (value) => value.name,
        EAgentType.unknown,
      ),
      lastSeen: JsonReader.requireDateTime(json, 'LastSeen'),
      tasks: JsonReader.list(json, 'Tasks', AgentTaskDto.fromJson),
      status: JsonReader.enumValue(
        json,
        'Status',
        EAgentStatus.values,
        (value) => value.name,
        EAgentStatus.unknown,
      ),
    );
  }

  Map<String, dynamic> toJson() {
    return <String, dynamic>{
      'Name': name,
      'Type': type.name,
      'LastSeen': lastSeen.toIso8601String(),
      'Tasks': tasks.map((task) => task.toJson()).toList(growable: false),
      'Status': status.name,
    };
  }

  @override
  String toString() => 'AgentDto(name: $name, type: ${type.name}, status: ${status.name})';
}