import 'product.dart';

class Reg {
  String name = "", address = "", type = "";
  int numberOfShops = 0;

  final String sellerID;
  final String buyerID;
  final List<Product> products;

  Map<String, dynamic> toMap() {
    var _products = [];
    products.forEach((p) => _products.add(p.toMap()));
    return {
      'products': _products,
      'seller_id': sellerID,
      'buyer_id': buyerID,
    };
  }

  Reg(this.sellerID, this.buyerID, this.products);

  void addProduct(Product product) {
    var _product = _get(product.id);
    if (_product == null) {
      _product = product;
      products.add(product);
    }
    _product.dailySale = product.dailySale;
    _product.storageCapacity = product.storageCapacity;
  }

  void deleteProduct(Product product) {
    var _product = _get(product.id);
    if (_product == null) {
      return;
    }
    products.remove(_product);
  }

  Product _get(String id) {
    try {
      return products.firstWhere((p) => p.id == id);
    } catch (e) {
      return null;
    }
  }
}