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

namespace GameServer
{
    internal static class ItemFirstPurchaseHistoryHelper
    {
        public static Result checkItemFirstPurchaseItemCount(this Player player, int itemMetaId, int itemCount)
        {
            var result = new Result();
            var err_msg = string.Empty;

            if (!MetaData.Instance._ItemTable.TryGetValue(itemMetaId, out var itemMetaData))
            {
                err_msg = $"Failed to TryGetValue() !!! : itemMetaId:{itemMetaId}";
                result.setFail(ServerErrorCode.ItemMetaDataNotFound, err_msg);
                Log.getLogger().error(result.toBasicString());

                return result;
            }

            if (itemMetaData.Buy_Discount_Rate == 0)
                return result;

            var item_first_purchase_history_agent_action = player.getEntityAction<ItemFirstPurchaseHistoryAgentAction>();
            NullReferenceCheckHelper.throwIfNull(item_first_purchase_history_agent_action, () => $"item_first_purchase_history_agent_action is null !!! - {player.toBasicString()}");

            if (item_first_purchase_history_agent_action.isItemFirstPurchase(itemMetaId))
            {
                if (itemCount > 1)
                {
                    err_msg = $"Fail to check item first purchased discount item count : purchase count - {itemCount}";
                    result.setFail(ServerErrorCode.ItemFirstPurchaseDiscountItemCountWrong, err_msg);
                    Log.getLogger().error(err_msg);
                    
                    return result;
                }
            }

            return result;
        }
    }
}