import 'package:hive/hive.dart';
import 'package:kzeduca_app/screens/add_transaction_screen.dart';

part 'transaction.g.dart';

@HiveType(typeId: 0)
enum TransactionType {
  @HiveField(0)
  expense,
  @HiveField(1)
  income,
}

@HiveType(typeId: 1)
enum TransactionCategory {
  @HiveField(0)
  food,
  @HiveField(1)
  transport,
  @HiveField(2)
  social,
  @HiveField(3)
  education,
  @HiveField(4)
  medical,
  @HiveField(5)
  shopping,
  @HiveField(6)
  salary,
  @HiveField(7)
  invest,
  @HiveField(8)
  business,
  @HiveField(9)
  others,
  @HiveField(7) 
  house,
  @HiveField(8) 
  utilities,
  @HiveField(9) 
  subscriptions,
  @HiveField(10) 
  leisure,
  @HiveField(11) 
  gym,
  @HiveField(12) 
  gifts,
  @HiveField(13) 
  pets,
  @HiveField(14) 
  freelance,
  @HiveField(15) 
  dividends,
  @HiveField(16) 
  loan,
  @HiveField(17) 
  refund,
  @HiveField(18) 
  tax,
  @HiveField(19) 
  bonus,
  @HiveField(20) 
  allowance,
  @HiveField(21) 
  pension,
  @HiveField(22) 
  scholarship,
  @HiveField(23) 
  grant,
}

@HiveType(typeId: 2)
class Transaction {
  @HiveField(0)
  final int? id;
  @HiveField(1)
  final String title;
  @HiveField(2)
  final double amount;
  @HiveField(3)
  final TransactionType type;
  @HiveField(4)
  final TransactionCategory category;
  @HiveField(5)
  final DateTime date;
  @HiveField(6)
  final String? note;

  Transaction({
    this.id,
    required this.title,
    required this.amount,
    required this.type,
    required this.category,
    required this.date,
    this.note,
  });

  Map<String, dynamic> toMap() {
    return {
      'id': id,
      'title': title,
      'amount': amount,
      'type': type.name, // ✅ mais limpo que split('.').last
      'category': category.name,
      'date': date.toIso8601String(),
      'note': note,
    };
  }

  factory Transaction.fromMap(Map<String, dynamic> map) {
    return Transaction(
      id: map['id'] is int
          ? map['id'] as int
          : int.tryParse(map['id']?.toString() ?? ''),
      title: map['title']?.toString() ?? 'Sem título',
      amount: (map['amount'] as num?)?.toDouble() ?? 0.0,
      type: TransactionType.values.firstWhere(
        (e) => e.name == map['type'],
        orElse: () => TransactionType.expense,
      ),
      category: TransactionCategory.values.firstWhere(
        (e) => e.name == map['category'],
        orElse: () => TransactionCategory.others,
      ),
      date: DateTime.tryParse(map['date']?.toString() ?? '') ?? DateTime.now(),
      note: map['note']?.toString(),
    );
  }
}