import 'package:flutter/foundation.dart';

import 'tab_item.dart';

class BarTab {
  final String id;
  final String customerName;
  final DateTime openedAt;
  final int version;
  final List<TabItem> items;

  const BarTab({
    required this.id,
    required this.customerName,
    required this.openedAt,
    this.version = 0,
    required this.items,
  });

  int get totalInCents {
    return items.fold<int>(0, (total, item) => total + item.lineTotalInCents);
  }

  int get itemCount {
    return items.fold<int>(0, (total, item) => total + item.quantity);
  }

  @override
  bool operator ==(Object other) =>
      identical(this, other) ||
      other is BarTab &&
          id == other.id &&
          customerName == other.customerName &&
          openedAt == other.openedAt &&
          version == other.version &&
          listEquals(items, other.items);

  @override
  int get hashCode =>
      Object.hash(id, customerName, openedAt, version, Object.hashAll(items));
}