import 'dart:io';

import 'package:json_annotation/json_annotation.dart';
import 'package:wake_on_lan/wake_on_lan.dart';

part 'wol_cfg.g.dart';

@JsonSerializable(includeIfNull: false)
final class WakeOnLanCfg {
  final String mac;
  final String ip;
  final String? pwd;

  const WakeOnLanCfg({required this.mac, required this.ip, this.pwd});

  (Object?, bool) validate() {
    final macValidation = MACAddress.validate(mac);
    final ipValidation = IPAddress.validate(
      ip,
      type: ip.contains(':') ? InternetAddressType.IPv6 : InternetAddressType.IPv4,
    );
    final pwdValidation = pwd != null ? SecureONPassword.validate(pwd) : (state: true, error: null);

    final valid = macValidation.state && ipValidation.state && pwdValidation.state;
    final err = macValidation.error ?? ipValidation.error ?? pwdValidation.error;
    return (err, valid);
  }

  Future<void> wake() {
    if (!validate().$2) {
      throw Exception('Invalid WakeOnLanCfg');
    }

    final ip_ = IPAddress(ip);
    final mac_ = MACAddress(mac);
    final pwd_ = pwd != null ? SecureONPassword(pwd!) : null;
    final obj = WakeOnLAN(ip_, mac_, password: pwd_);
    return obj.wake(repeat: 3, repeatDelay: const Duration(milliseconds: 500));
  }

  factory WakeOnLanCfg.fromJson(Map<String, dynamic> json) => _$WakeOnLanCfgFromJson(json);

  Map<String, dynamic> toJson() => _$WakeOnLanCfgToJson(this);
}