using YLErp.DBModels.Consts;
using YLErp.Model;
using YLErp.Models;
using YLErp.Modules.TradeDalModule;
using YLErp.Plugins.TradeDocGenerator.Abstracts;

namespace YLErp.Modules.TradeModule.DocGenerateModule
{
    /// <summary>
    /// 生成追保通知书
    /// </summary>
    public class MarginReportGenerateService : YLBaseService
    {
        public MarginReportGenerateService(OptUserInfo userInfo) : base(userInfo)
        {
        }

        /// <summary>
        /// 生成追保通知书
        /// </summary>
        public IEnumerable<TradeDocGenerateResult> Generate(IEnumerable<int> tradeIds, DateTime? valueDate, string docType)
        {
            if (tradeIds == null)
            {
                throw new ArgumentNullException(nameof(tradeIds));
            }

            if (valueDate == null)
            {
                throw new ArgumentNullException(nameof(valueDate));
            }

            if (docType == null)
            {
                throw new ArgumentNullException(nameof(docType));
            }

            //----------------------------------
            // 获取有效交易
            //----------------------------------
            //var tradeQuery = from trade in Table
            //                 where tradeIds.Contains(trade.id) && trade.ValidState != "InValid"
            //                 select trade;
            var tradeQuery = new TradeDalService(this).GetTradeOrEodTrade(tradeIds, SystemValueDate);

            var tradeDic = tradeQuery.ToDictionary(n => n.id, n => new trade_contract_group { trade = n });
            tradeIds = tradeDic.Keys.ToArray();
            if (tradeDic.Count < 1)
            {
                throw new ServiceException("当日没有要结算的记录信息!");
            }

            //----------------------------------
            // 交易确认书数据
            //----------------------------------
            var tcrQuery = from aa in DbContext.trade_contract_r
                           where tradeIds.Contains(aa.TradeId) && aa.Type == ContractTypeEnum.Trade && aa.IsValid
                           select aa;
            var tcrDatas = tcrQuery.ToArray();
            foreach (var data in tcrDatas)
            {
                if (tradeDic.TryGetValue(data.TradeId, out var group))
                {
                    group.ConfirmContractR = data;
                }
            }

            //----------------------------------
            // 交易预付金记录
            //----------------------------------
            var tradeSpanQuery = from tradeSpan in DbContext.trade_span
                                 where tradeIds.Contains(tradeSpan.TradeId) &&
                                 tradeSpan.ValueDate == valueDate
                                 select tradeSpan;
            var tradeSpans = tradeSpanQuery.ToArray();
            foreach (var data in tradeSpans)
            {
                if (tradeDic.TryGetValue(data.TradeId, out var group))
                {
                    group.trade_span = data;
                }
            }

            //----------------------------------
            // 生成追保通知书
            //----------------------------------
            var resultList = new List<TradeDocGenerateResult>();
            AppManager.TryResolve(out ITradeMarginReportGenerator generator);

            foreach (var tradeContractGroup in tradeDic.Values)
            {
                if (generator == null)
                {
                    resultList.Add(new TradeDocGenerateResult(tradeContractGroup.trade)
                    {
                        ErrorMessage = "此类型报告尚未实现"
                    });
                }
                else if (!YLErp.PS.Config.Is光大光子 && tradeContractGroup.ConfirmContractR == null)
                {
                    resultList.Add(new TradeDocGenerateResult(tradeContractGroup.trade)
                    {
                        ErrorMessage = "缺少交易确认书"
                    });
                }
                else
                {
                    var result = GenerateSingle(generator, tradeContractGroup, tradeContractGroup.trade_cash.id, docType);
                    resultList.Add(result);
                }
            }

            return resultList;
        }

        /// <summary>
        /// 
        /// </summary>
        private TradeDocGenerateResult GenerateSingle(ITradeMarginReportGenerator generator, trade_contract_group tradeContractGroup, int tradeCashId, string docType = "DOCX")
        {
            try
            {
                var context = new MarginReportGenerateContext(
                    tradeCashId,
                    tradeContractGroup.trade,
                    tradeContractGroup.trade_span,
                    ContractTypeEnum.Margin, OptUser);
                generator.Initialize(docType, context);
                return generator.GenerateDocument();
            }
            catch (Exception ex)
            {
                LogFactory.GetLogger("MarginReportGenerateService").Error(ex);
                return new TradeDocGenerateResult(tradeContractGroup.trade)
                {
                    Exception = ex,
                    ErrorMessage = "出错:" + ex.Message
                };
            }
        }
    }
}