import 'dart:math';

import 'package:isar/isar.dart';

import '../../../core/constants/app_defaults.dart';

part 'user_profile.g.dart';

enum AvatarSource {
  asset,
  localFile,
}

@collection
class UserProfile {
  UserProfile();

  Id id = AppDefaults.singletonId;

  @Index(unique: true, replace: true)
  late String profileKey;

  @Index(type: IndexType.value)
  late DateTime updatedAt;

  late DateTime createdAt;
  late String nickname;
  String? avatarLocalPath;
  late String avatarAssetPath;

  @enumerated
  AvatarSource avatarSource = AvatarSource.asset;

  factory UserProfile.createDefault({DateTime? now, Random? random}) {
    final current = now ?? DateTime.now();
    final generator = random ?? Random();
    final suffix = AppDefaults.nicknameRandomMin +
        generator.nextInt(
          AppDefaults.nicknameRandomMax - AppDefaults.nicknameRandomMin + 1,
        );

    return UserProfile()
      ..profileKey = 'local_user_profile'
      ..createdAt = current
      ..updatedAt = current
      ..nickname = '弓箭手_$suffix'
      ..avatarAssetPath = AppDefaults.defaultAvatarAssetPath
      ..avatarSource = AvatarSource.asset;
  }

  String get displayAvatarPath =>
      avatarSource == AvatarSource.localFile &&
              avatarLocalPath != null &&
              avatarLocalPath!.trim().isNotEmpty
          ? avatarLocalPath!
          : avatarAssetPath;

  UserProfile copyWith({
    String? nickname,
    String? avatarLocalPath,
    String? avatarAssetPath,
    AvatarSource? avatarSource,
    DateTime? updatedAt,
  }) {
    return UserProfile()
      ..id = id
      ..profileKey = profileKey
      ..createdAt = createdAt
      ..updatedAt = updatedAt ?? DateTime.now()
      ..nickname = nickname ?? this.nickname
      ..avatarLocalPath = avatarLocalPath ?? this.avatarLocalPath
      ..avatarAssetPath = avatarAssetPath ?? this.avatarAssetPath
      ..avatarSource = avatarSource ?? this.avatarSource;
  }
}