DanhengServer-OpenSource/GameServer/Game/Shop/ShopService.cs

using EggLink.DanhengServer.Data;
using EggLink.DanhengServer.Database;
using EggLink.DanhengServer.Database.Inventory;
using EggLink.DanhengServer.Enums;
using EggLink.DanhengServer.Enums.Item;
using EggLink.DanhengServer.Game.Player;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace EggLink.DanhengServer.Game.Shop
{
    public class ShopService(PlayerInstance player) : BasePlayerManager(player)
    {
        public List<ItemData> BuyItem(int shopId, int goodsId, int count)
        {
            GameData.ShopConfigData.TryGetValue(shopId, out var shopConfig);
            if (shopConfig == null) return [];
            var goods = shopConfig.Goods.Find(g => g.GoodsID == goodsId);
            if (goods == null) return [];
            GameData.ItemConfigData.TryGetValue(goods.ItemID, out var itemConfig);
            if (itemConfig == null) return [];

            foreach (var cost in goods.CostList)
            {
                Player.InventoryManager!.RemoveItem(cost.Key, cost.Value * count);
            }
            var items = new List<ItemData>();
            if (itemConfig.ItemMainType == ItemMainTypeEnum.Equipment || itemConfig.ItemMainType == ItemMainTypeEnum.Relic)
            {
                for (int i = 0; i < count; i++)
                {
                    var item = Player.InventoryManager!.AddItem(itemConfig.ID, 1, false);
                    if (item != null)
                    {
                        items.Add(item);
                    }
                }
            }
            else
            {
                var item = Player.InventoryManager!.AddItem(itemConfig.ID, count, false);
                if (item != null)
                {
                    items.Add(item);
                }
            }

            Player.MissionManager!.HandleFinishType(MissionFinishTypeEnum.BuyShopGoods, "BuyGoods");

            return items;
        }
    }
}