import 'package:equatable/equatable.dart';

class Gem extends Equatable {
  final int type;
  final int row;
  final int col;
  final bool isMatched;
  final bool isSpecial;

  const Gem({
    required this.type,
    required this.row,
    required this.col,
    this.isMatched = false,
    this.isSpecial = false,
  });

  Gem copyWith({
    int? type,
    int? row,
    int? col,
    bool? isMatched,
    bool? isSpecial,
  }) {
    return Gem(
      type: type ?? this.type,
      row: row ?? this.row,
      col: col ?? this.col,
      isMatched: isMatched ?? this.isMatched,
      isSpecial: isSpecial ?? this.isSpecial,
    );
  }

  get name {
    switch (type) {
      case 0:
        return 'red';
      case 1:
        return 'blue';
      case 2:
        return 'green';
      case 3:
        return 'yellow';
      case 4:
        return 'purple';
      case 5:
        return 'orange';
      default:
        return 'unknown';
    }
  }

  @override
  List<Object?> get props => [type, row, col, isMatched, isSpecial];

  // equals
  @override
  bool operator ==(Object other) {
    if (identical(this, other)) return true;

    return other is Gem &&
        other.type == type &&
        other.row == row &&
        other.col == col &&
        other.isMatched == isMatched &&
        other.isSpecial == isSpecial;
  }

  @override
  int get hashCode {
    return type.hashCode ^
        row.hashCode ^
        col.hashCode ^
        isMatched.hashCode ^
        isSpecial.hashCode;
  }
}