using YLErp.BLL;
namespace YLErp.CustomizedBizLogic
{
    class BizLogicHongYe : BizLogicDefault
    {

        public override string GenerateTradeNumberBeforeConfirm(TradeNumberReqModel reqModel, YLContext db)
        {
            if (reqModel is null)
            {
                throw new ArgumentNullException(nameof(reqModel));
            }

            if (!string.IsNullOrWhiteSpace(reqModel.trade.TradeNumber)) { return reqModel.trade.TradeNumber; }
            if (!reqModel.trade.TradeDate.HasValue) { throw new Exception("交易日期不存在,无法生成交易编号!"); }
            var client = GetClient(reqModel.clientId);
            if (string.IsNullOrEmpty(client.Code))
            {
                throw new Exception("客户代码未填写,无法生成交易编号!");
            }
            lock (_clientCodeLock)
            {
                string code = "";
                string codePrefix = "";
                var tradeNumbers = new List<string>();

                codePrefix = "HYZBOTC";
                codePrefix += reqModel.trade.TradeDate?.ToString("yyyy");
                codePrefix += GetClient(reqModel.clientId)?.Code;
                codePrefix += "148-";
                tradeNumbers = db.trade.Where(x => x.ParentTradeId == 0 && x.TradeNumber.StartsWith(codePrefix)).Select(x => x.TradeNumber).ToList();

                int number = tradeNumbers.Count;
                do
                {
                    number++;
                    code = codePrefix + number.ToString("0");
                    if (!tradeNumbers.Contains(code))
                    { break; }
                } while (true);
                return code;
            }
        }
        public override void GenerateClientCode(Client clientObj, IQueryable<Client> clientDbQuery)
        {
            if (!string.IsNullOrEmpty(clientObj.Number)) { return; }
            lock (_clientCodeLock)
            {
                DateTime date = DateTime.Now;
                int number = 0;
                var code = "";
                string codePrefix = date.ToString("yyyyMMdd");
                var existingClientCodes = clientDbQuery.Where(x => x.Number != null && x.Number != "").Select(x => x.Number).ToList();
                number = existingClientCodes.Count();
                do
                {
                    number++;
                    code = codePrefix + number.ToString("00");
                    if (!existingClientCodes.Contains(code))
                    { break; }
                } while (true);

                clientObj.Number = code;
            }
        }
    }
}