using System.Collections.Generic;
using cfg.GfgCfg;
using ET;

namespace GFGGame
{
    public class LimitCfgArray : SingletonBaseET<LimitCfgArray>
    {
        /// <summary>
        /// 根据已购次数和本次购买次数计算所需货币id和货币数量
        /// </summary>
        /// <param name="chapterId">限购id</param>
        /// <param name="hadBuyTimes">已购买次数</param>
        /// <param name="buyTimesThis">请求的购买次数</param>
        /// <param name="moneyId">out 消耗的货币id</param>
        /// <param name="moneyNum">out 消耗的货币数量</param>
        public void GetMoneyIdAndNum(int chapterId, int hadBuyTimes, int buyTimesThis, out int moneyId,
            out int moneyNum)
        {
            var limitCfg = CommonDataManager.Tables.TblLimitCfg.GetOrDefault(chapterId);
            moneyId = limitCfg.MoneyId;
            moneyNum = 0;
            //每个次数单独计算消耗个数
            for (var theBuyTimes = hadBuyTimes + 1; theBuyTimes <= hadBuyTimes + buyTimesThis; theBuyTimes++)
            {
                //每次从最高位检测
                moneyNum += GetMoneyNum(limitCfg, theBuyTimes);
            }
        }

        //根据第几次购买获取消耗货币个数
        public int GetMoneyNum(LimitCfg limitCfg, int theBuyTimes)
        {
            //每次从最高位检测
            for (var i = limitCfg.MoneyBuyTimes.Count - 1; i >= 0; i--)
            {
                if (theBuyTimes >= limitCfg.MoneyBuyTimes[i])
                {
                    return limitCfg.MoneyNum[i];
                }
            }

            return 0;
        }
    }
}