using YLErp.BLL;
using YLErp.Modules;
namespace YLErp.CustomizedBizLogic
{
    /// <summary>
    /// 广期
    /// </summary>
    public class BizLogicGuangQi : BizLogicDefault
    {
        //交易编号:GQZB+成交日期+客户编号+01顺序
        /// <summary>
        /// 生成交易编号
        /// </summary>
        /// <param name="reqModel"></param>
        /// <param name="db"></param>
        /// <returns></returns>
        public override string GenerateTradeNumberBeforeConfirm(TradeNumberReqModel reqModel, YLContext db)
        {
            //判断交易编号Model是否为空
            if (reqModel is null)
            {
                throw new ArgumentNullException(nameof(reqModel));
            }
            //判断交易编号是否为空  
            if (!string.IsNullOrWhiteSpace(reqModel.trade.TradeNumber))
            {
                return reqModel.trade.TradeNumber;
            }
              string tradeCode = "GQZB";                      
            //判断开仓时间是否为空    
            if (!reqModel.trade.TradeDate.HasValue)
            {
                throw new Exception("交易日期不存在,无法生成交易编号!");
            }
            //根据客户id查询出来该客户
            var client = DbContextFactory.GetClientDbContext(null).client.Where(x => x.id == reqModel.clientId).FirstOrDefault();
            if (client == null)
            {
                throw new Exception("未找到客户");
            }
            //取出客户编号
            var clientNumber = client.Number;
            //判断客户编号是否为空
            if (string.IsNullOrWhiteSpace(clientNumber))
            {
                throw new Exception("客户编号不能为空");
            }
            //取出当前开仓时间
            string tradeDate = reqModel.trade.TradeDate?.ToString("yyyyMMdd");
            var tradeNumbers = new List<string>();
            string tradeNumber =  tradeCode+ tradeDate + clientNumber;
            tradeNumbers = db.trade.Where(x =>x.ClientId== client.id&&x.TradeNumber.StartsWith(tradeNumber) && x.ParentTradeId == 0).Select(x => x.TradeNumber).ToList();
            //获取录入
            if (reqModel.importTrades != null)
            {
                tradeNumbers.AddRange(reqModel.importTrades.Where(o => string.IsNullOrEmpty(o.TradeNumber)).Select(o => o.TradeNumber));
            }
            string ergodic = "";
            //记录当前笔数
            int number = tradeNumbers.Count;
            do
            {
                number++;
                ergodic = tradeNumber + number.ToString("-00");
                if (!tradeNumbers.Contains(ergodic))
                {
                    break;
                }
            }
            while (true);
            return ergodic;
        }
    }
}