using ServerCommon;
using ServerCore; using ServerBase;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace GameServer
{
    public class Cart : EntityBase
    {
        public Cart(Player parent) 
            : base(EntityType.Cart, parent)
        {
        }

        public override async Task<Result> onInit()
        {
            var direct_parent = getDirectParent();
            NullReferenceCheckHelper.throwIfNull(direct_parent, () => $"direct_parent is null !!!");
            addEntityAttribute(new CartAttribute(this, direct_parent));

            return await base.onInit();
        }

        public override string toBasicString()
        {
            return $"{this.getTypeName()} - {getRootParent().toBasicString()}";
        }

        public override string toSummaryString()
        {
            return $"{this.getTypeName()} - {getRootParent().toBasicString()}";
        }

        public List<CartItemInfo> toCartItemData4Client()
        {
            var cart_item_list_4_client = new List<CartItemInfo>();
            var cart_attribute = getEntityAttribute<CartAttribute>();
            NullReferenceCheckHelper.throwIfNull(cart_attribute, () => $"cart_attribute is null !!!");

            foreach (var cart_category_item in cart_attribute.CartItems)
            {
                foreach(var cartitem in cart_category_item.Value)
                {
                    CartItemInfo cart_item = new CartItemInfo();
                    cart_item.BuyType = cart_category_item.Key.ToString();
                    cart_item.ItemId = (Int32)cartitem.Key;
                    cart_item.Count = cartitem.Value;
                    cart_item_list_4_client.Add(cart_item);
                }
            }

            return cart_item_list_4_client;
        }
    }
}