using System.Collections.Generic;
using UnityEngine;
using VRShopping.Items;
using VRShopping.UI;

namespace VRShopping.Interact
{
    public class CheckoutMachine : MonoBehaviour
    {
        public int CheckoutSum { get; private set; }

        [SerializeField] private Transform _rowContainer;
        [SerializeField] private CheckoutProductionRow _rowPrefab;

        private readonly Dictionary<ItemData, CheckoutProductionRow> _rowByItem = new();

        public void AddCheckoutProduction(ItemData itemData)
        {
            if (itemData == null) return;

            if (_rowByItem.TryGetValue(itemData, out CheckoutProductionRow row))
            {
                row.Bind(itemData, row.Quantity + 1);
            }
            else
            {
                row = Instantiate(_rowPrefab, _rowContainer);
                row.Bind(itemData, 1);
                _rowByItem[itemData] = row;
            }

            CheckoutSum += itemData.FinalPrice;
        }
    }
}