using YLErp.Modules.EodModule.SettlementModule;

namespace YLErp.Modules.EodModule
{
    /// <summary>
    /// 验证 EodCheckSettlePrice 的持仓分支按 ClientIds 收敛：
    /// 给定收盘客户时，不应再把“仅属于其他客户”的上一交易日持仓标的纳入结算价缺失检查。
    ///
    /// 采用确定性夹具：插入两条合成持仓（客户A持标的A、客户B持标的B），直接调用抽出的
    /// static 查询方法断言过滤语义，finally 中清理，避免依赖测试库现有数据形状。
    /// 若 underlying_manager 无足够的对冲类型标的，则 Assert.Inconclusive 跳过。
    /// </summary>
    [TestClass]
    public class EodCheckSettlePriceClientScopeTest : UnitTestBase
    {
        [TestMethod]
        public void PositionUnderlyingQuery_ExcludesOtherClients_WhenClientIdsGiven()
        {
            using var db = DbContextFactory.GetYLDbContext();

            // 选两个存在的、非期货的标的（避开 GetFutureTypes，保证通过方法内部的期货到期过滤）；
            // 持仓 TradeType 固定为"股票"（属于 TradeTypesForHedge），才能进入结算价检查。
            var futureTypes = ConsGlobal.InstrumentType.GetFutureTypes();
            var underlyings = db.underlying_manager
                .Where(u => u.UnderlyingCode != null && !futureTypes.Contains(u.UnderlyingInstrumentType))
                .Take(5)
                .ToList();
            if (underlyings.Count < 2)
            {
                Assert.Inconclusive("underlying_manager 无足够的非期货标的，跳过");
                return;
            }
            var uA = underlyings[0];
            var uB = underlyings[1];

            // 复用一条现有持仓的 BookId/TradeId，确保外键合法（若存在）
            var sample = db.eod_trade_position.FirstOrDefault(p => p.BookId != 0);
            int bookId = sample?.BookId ?? 1;
            int tradeId = sample?.TradeId ?? 0;

            // 合成日期与客户，避免与测试库真实数据冲突
            var preSettleDate = new DateTime(2026, 5, 1);
            var settleDate = new DateTime(2026, 5, 2);
            int clientA = 900001;
            int clientB = 900002;

            var rows = new List<eod_trade_position>
            {
                new eod_trade_position
                {
                    ValueDate = preSettleDate,
                    ClientId = clientA,
                    UnderlyingCode = uA.UnderlyingCode,
                    UnderlyingId = uA.id,
                    TradeType = "股票",
                    BookId = bookId,
                    TradeId = tradeId,
                    Amount = 1,
                    HedgeUniqueCode = "UT_CLIENTSCOPE_A"
                },
                new eod_trade_position
                {
                    ValueDate = preSettleDate,
                    ClientId = clientB,
                    UnderlyingCode = uB.UnderlyingCode,
                    UnderlyingId = uB.id,
                    TradeType = "股票",
                    BookId = bookId,
                    TradeId = tradeId,
                    Amount = 1,
                    HedgeUniqueCode = "UT_CLIENTSCOPE_B"
                }
            };

            foreach (var r in rows)
            {
                r.OptId = 0;
                r.OptName = "UT_CLIENTSCOPE";
                r.OptDate = DateTime.Now;
            }

            try
            {
                db.eod_trade_position.AddRange(rows);
                db.SaveChanges();

                var fullSet = EodCheckSettlePrice.QueryPositionUnderlyingCodes(db, preSettleDate, settleDate, null)
                    .ToHashSet(StringComparer.OrdinalIgnoreCase);
                var filteredA = EodCheckSettlePrice.QueryPositionUnderlyingCodes(db, preSettleDate, settleDate, new List<int> { clientA })
                    .ToHashSet(StringComparer.OrdinalIgnoreCase);

                Assert.IsTrue(fullSet.Contains(uA.UnderlyingCode), "全客户结果应包含客户A的标的");
                Assert.IsTrue(fullSet.Contains(uB.UnderlyingCode), "全客户结果应包含客户B的标的");
                Assert.IsTrue(filteredA.Contains(uA.UnderlyingCode), "按客户A收敛后仍应包含客户A的标的");
                // 关键断言：修复点——按客户A收敛后不应再包含“仅属客户B”的标的
                Assert.IsFalse(filteredA.Contains(uB.UnderlyingCode),
                    "修复验证失败：按客户A收敛后仍包含仅属客户B的持仓标的（ClientId 过滤未生效）");
            }
            finally
            {
                // 清理合成数据，使测试库状态不变
                foreach (var r in rows)
                {
                    var exist = db.eod_trade_position.FirstOrDefault(x =>
                        x.ValueDate == preSettleDate && x.ClientId == r.ClientId &&
                        x.UnderlyingCode == r.UnderlyingCode && x.HedgeUniqueCode == r.HedgeUniqueCode);
                    if (exist != null)
                    {
                        db.eod_trade_position.Remove(exist);
                    }
                }
                db.SaveChanges();
            }
        }
    }
}