using YLErp.BLL.MarginCalculation;
using YLErp.Commons;
using YLErp.DBModels.Consts;
using YLErp.Model;
using YLErp.Modules;
using YLErp.Modules.DataProviderModule;
using YLErp.Modules.TradeModule;

namespace YLErp.BLL.GenerateDocument
{
    public class GeneralGenerateSettleBill : BaseGenerate
    {
        public GeneralGenerateSettleBill(trade_contract_group tradeContractGroup, string docType, int optId, string optName) : base(tradeContractGroup, docType, optId, optName)
        { }

        protected override string ContractType => ContractTypeEnum.Clearing;

        public override string TemplateFile => $"到期结算单模板.{DocType.ToLower()}";

        public override string ContractNOSeed => "GTJASettlement";

        public override ReturnInfo<Dictionary<string, string>> AppendDictionary()
        {
            var dic = CurrentContractDataSet.ModelDic;
            var tradeContractGroup = CurrentContractDataSet.ContractGroup;

            var trade = tradeContractGroup.trade;
            var tradeCash = tradeContractGroup.trade_cash;
            var tradeContractR = tradeContractGroup.ConfirmContractR;

            var underlying = DataCacheProvider.GetUnderlyingDataSource().GetData(trade.UnderlyingCode);
            var variety = DataCacheProvider.GetVarietyDataSource().GetData(underlying.UnderlyingTypeId);

            string strUnit = variety.QuoteUnitSingle;
            double tradeNotional = trade.Notional;

            dic["{{支付时间}}"] = "买方终止 / 到期时支付";

            //期末价格
            double endPrice = underlying.Price ?? 0;
            //交割金额
            double tradeCashAmount = 0;
            double notional = 0;
            if (tradeCash != null)
            {
                endPrice = tradeCash.FinalPrice ?? 0;
                tradeCashAmount = tradeCash.Amount;
                notional = tradeCash.Action == "系统操作-行权费" ? tradeCash.Notional : tradeCash.UnwindNotional ?? 0;
            }

            dic["{{执行价格}}"] = $"{(trade.ActualStrike ?? 0):f2}元/{strUnit}";
            dic["{{期初价格}}"] = $"{(trade.SpotPrice ?? 0):f2}元/{strUnit}";
            dic["{{期权收益}}"] = $"{Math.Abs(tradeCashAmount / tradeNotional):f2}元/{strUnit}";
            dic["{{期末数量}}"] = $"{tradeNotional}{strUnit}";
            dic["{{结算价}}"] = $"{Math.Abs(tradeCashAmount):f2}元";
            dic["{{终止日}}"] = trade.UnWindDate?.ToString("yyyy年M月d日");
            var req = new RunMarginCalculationReq(GetOptUser())
            {
                tradeList = new List<trade> { trade },
                settleDate = trade.UnWindDate.Value,
                PriceProvider = new SinglePriceProvider(trade.UnderlyingCode, endPrice)
            };
            if (trade.IsGroup == 1)
            {
                req.tradeList = db.trade.Where(x => x.ParentTradeId == trade.id).ToList();
            }
            var tradeSpans = MarginDefault.RunMarginCalculation(req);
            if (tradeSpans?.Count > 0)
            {
                var margin = trade.IsGroup == 1 ? tradeSpans.Sum(x => x.WorstCastClientPayable ?? 0) : (tradeSpans[0].WorstCastClientPayable ?? 0);
                dic["{{预付金}}"] = $"{Math.Abs(margin):f2}元";
            }
            else
            {
                dic["{{预付金}}"] = "0元";
            }
            dic["{{结算价格}}"] = dic["{{期权收益}}"];

            var isGJBuyer = trade.BuySell == "买入";
            double incomes;
            if (isGJBuyer)
            {
                incomes = tradeCashAmount - (notional * trade.TradeSinglePrice) ?? 0;
            }
            else
            {
                incomes = tradeCashAmount + (notional * trade.TradeSinglePrice) ?? 0;
            }
            dic["{{结算净额}}"] = $"{Math.Abs(incomes):f2}元";
            dic["{{结算方式}}"] = incomes > 0 ? "贵司向我司支付结算净额" : "我司向贵司支付结算净额";
            dic["{{到期盈亏}}"] = $"{Math.Abs(incomes):f2}元";
            dic["{{合同时间}}"] = DateTime.Now.ToString("yyyy年M月d日");
            dic["{{确认书编号}}"] = tradeContractR.ContractCode;

            return Return.Success(dic);
        }

        protected override string GetContractIndex(trade_contract_group tradeContractGroup)
        {
            var trade = tradeContractGroup.trade;
            var contractBLL = new TradeContractBLL(OptId, OptName);
            var contractIndex = contractBLL.GetContractNo(ContractNOSeed);
            return contractIndex;
        }

        protected override string GetContractNO(trade_contract_group tradeContractGroup, string contractIndex)
        {
            var trade = tradeContractGroup.trade;
            var client = DataCacheProvider.GetClientDataSource().GetData(trade.ClientId);
            return $"{client?.Number}C{contractIndex}S";
        }

        protected override string GetOutputFileName(trade_contract_group tradeContractGroup, string contractIndex)
        {
            var trade = tradeContractGroup.trade;
            return $"{trade.ClientName}到期结算单C{contractIndex}S.{DocType.ToLower()}";
        }
    }
}