// Author: fruit.com.cn

import 'package:flutter/foundation.dart';

import '../../core/data/models/account_export.dart';
import '../../core/data/remote/api_client.dart';
import '../../core/data/repositories/account_repository.dart';

/// 账号数据导出状态与复制动作。
class AccountExportLogic extends ChangeNotifier {
  AccountExportLogic(this._repository, {required this.copyText});

  final AccountRepository _repository;
  final Future<void> Function(String text) copyText;
  AccountExport? data;
  bool loading = false;
  String? error;
  bool _disposed = false;

  /// 加载完整导出数据。
  Future<void> load() async {
    loading = true;
    error = null;
    _notify();
    try {
      data = await _repository.export();
    } catch (failure) {
      error = failure is ApiException ? failure.message : 'networkError';
    } finally {
      loading = false;
      _notify();
    }
  }

  /// 把后端下发的完整 JSON 写入剪贴板。
  Future<bool> copy() async {
    final current = data;
    if (current == null) return false;
    await copyText(current.rawJson);
    return true;
  }

  void _notify() {
    if (!_disposed) notifyListeners();
  }

  @override
  void dispose() {
    _disposed = true;
    super.dispose();
  }
}