using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using YLErp.DBModels;
using YLErp.DBModels.Enums;

namespace YLErp.Modules.SwapModule
{
    /// <summary>
    /// 互换重收盘误删"手动互换"资金记录 - 录制/验证测试（TDD 红灯）
    /// ============================================================================
    /// 背景：
    ///   SwapTradeBaseService.ClearSwapPositions 第398-409行按 Action 字符串模糊删除
    ///   ClientCashInCashOut，而"系统操作-互换"这个 Action 手动互换和自动互换共用，
    ///   且 ClientCashInCashOut 无来源标记字段 → 重收盘会把用户手动互换的资金记录一并删掉。
    ///   引入点：commit 44e89726（2026-05-14）把 系统操作_互换 加进删除 Action 列表。
    ///
    /// TDD 红灯→绿灯：
    ///   红灯（当前）：录制一笔"有手动互换"的交易 → 模拟重收盘 → 断言手动资金记录被删（坐实 bug）
    ///   绿灯（修复后）：同测试断言通过（手动记录保留，自动互换记录正确清理）
    ///
    /// 运行方式：
    ///   全部标 [Ignore]+[TestCategory("DBRecording")]，不进 CI。
    ///   手动执行：vstest.console.exe UnitTestProject.dll /TestCaseFilter:"TestCategory=DBRecording"
    /// ============================================================================
    [TestClass]
    public class SwapReEodDeleteManualCashRecordTest
    {
        private static readonly string GoldenDir = Path.Combine(
            AppDomain.CurrentDomain.BaseDirectory, "Resources", "GoldenFiles", "SwapReEodDeleteCash");

        /// <summary>
        /// Step0：探查测试库，列出所有"有手动互换操作"的互换交易，供挑选样本。
        ///
        /// 筛选条件（同时满足才是有效复现样本）：
        ///   1. swap_event 存在 EventType=互换(3) 且 ClientCashId>0 的记录（手动互换且生成了资金记录）
        ///   2. 该 ClientCashId 在 ClientCashInCashOut 中真实存在（未被删）
        ///   3. 该交易有 eod_swap 记录（已收盘过，才能"重收盘"）
        ///
        /// 连不上测试库时 Inconclusive（CI 无 DB 环境正常跳过）。
        /// </summary>
        [TestMethod]
        [TestCategory("DBRecording")]
        public void Step0_ListManualSwapTrades()
        {
            YLContext db;
            try { db = DbContextFactory.GetYLDbContext(); }
            catch (Exception ex)
            {
                Assert.Inconclusive($"无法连接测试库（CI/无DB环境正常跳过）：{ex.Message}");
                return;
            }

            try
            {
                // 找所有手动互换事件（EventType=互换=3，且关联了资金记录）
                var manualEvents = db.swap_event
                    .Where(x => x.EventType == (int)SwapEventTypeEnum.互换
                             && x.ClientCashId > 0
                             && !x.Invalid)
                    .ToList();

                Console.WriteLine($"=== 手动互换事件（EventType=3, ClientCashId>0）数: {manualEvents.Count} ===\n");

                // 按交易分组，附加资金记录和 eod 信息
                var byTrade = manualEvents
                    .GroupBy(x => x.SwapTradeId)
                    .Select(g =>
                    {
                        var cashIds = g.Select(x => x.ClientCashId).Distinct().ToList();
                        var cashRecords = db.ClientCashInCashOut
                            .Where(c => cashIds.Contains(c.id)).ToList();
                        var eodCount = db.eod_swap.Count(e => e.SwapTradeId == g.Key);
                        var autoEvents = db.swap_event.Count(x => x.SwapTradeId == g.Key
                            && x.EventType == (int)SwapEventTypeEnum.自动互换 && !x.Invalid);
                        return new
                        {
                            SwapTradeId = g.Key,
                            ManualEventCount = g.Count(),
                            CashIds = cashIds,
                            CashRecordsFound = cashRecords.Count,
                            CashAction = cashRecords.Select(c => c.Action).Distinct().ToList(),
                            CashAmounts = cashRecords.Select(c => c.Money).ToList(),
                            CashHappenDates = cashRecords.Select(c => c.HappenDate).ToList(),
                            EodSwapCount = eodCount,
                            AutoSwapEventCount = autoEvents,
                            // 关键：事件日期范围（重收盘 valueDate <= 此日期会触发删除）
                            MinEventDate = g.Min(x => x.ValueDate),
                            MaxEventDate = g.Max(x => x.ValueDate)
                        };
                    })
                    .OrderByDescending(t => t.EodSwapCount > 0) // 优先有eod的（可重收盘）
                    .ThenByDescending(t => t.ManualEventCount)
                    .ToList();

                Console.WriteLine($"{"TradeId",8} {"手动事件",8} {"资金记录",8} {"Action",-20} {"金额",14} {"eod",6} {"自动互换",8} {"事件日期范围",-24} {"可复现",6}");
                int reproducible = 0;
                foreach (var t in byTrade.Take(30))
                {
                    bool canReproduce = t.EodSwapCount > 0 && t.CashRecordsFound > 0;
                    if (canReproduce) reproducible++;
                    string actionStr = string.Join("|", t.CashAction);
                    string amountStr = t.CashAmounts.Any() ? string.Join("|", t.CashAmounts.Select(m => $"{m:F2}")) : "-";
                    string dateRange = $"{t.MinEventDate:yyyy-MM-dd}~{t.MaxEventDate:yyyy-MM-dd}";
                    Console.WriteLine($"{t.SwapTradeId,8} {t.ManualEventCount,8} {t.CashRecordsFound,8} {actionStr,-20} {amountStr,14} {t.EodSwapCount,6} {t.AutoSwapEventCount,8} {dateRange,-24} {(canReproduce ? "✓" : "✗"),6}");
                }

                Console.WriteLine($"\n=== 可复现样本数（有eod+有资金记录）: {reproducible} ===");
                if (reproducible == 0)
                {
                    Assert.Inconclusive("无可复现样本（需要有 eod + 手动互换资金记录的交易）。请先在测试库构造数据。");
                }
                Assert.IsTrue(reproducible > 0, "应存在可复现样本");
            }
            finally
            {
                db?.Dispose();
            }
        }

        /// <summary>
        /// Step0b：对单个候选样本做详细诊断，确认"重收盘删除条件"确实会命中手动互换资金记录。
        ///
        /// 核心验证（不改任何数据，纯查询）：模拟 ClearSwapPositions 第400-404行的删除条件，
        /// 看会命中哪些 ClientCashInCashOut 记录，逐条标注它是"手动互换"还是"自动互换"产生的。
        /// 如果命中列表里有手动互换的记录 → bug 坐实（红灯前置证据）。
        /// </summary>
        [TestMethod]
        [TestCategory("DBRecording")]
        public void Step0b_DiagnoseSingleTradeDeleteCondition()
        {
            // 候选样本（从 Step0 输出中挑选）：1903=最新，有自动互换，结构完整
            int tradeId = SampleTradeId;

            YLContext db;
            try { db = DbContextFactory.GetYLDbContext(); }
            catch (Exception ex)
            {
                Assert.Inconclusive($"无法连接测试库（CI/无DB环境正常跳过）：{ex.Message}");
                return;
            }

            try
            {
                Console.WriteLine($"===== 诊断 SwapTradeId={tradeId} 的资金记录删除命中情况 =====\n");

                // 1. 该交易全部资金记录（互换/预付金相关）
                var allCashRecords = db.ClientCashInCashOut
                    .Where(x => x.TradeId == tradeId
                             && (x.Action == ClientCashInCashOut.系统操作_互换
                              || x.Action == ClientCashInCashOut.系统操作_预付金返息))
                    .OrderBy(x => x.HappenDate).ThenBy(x => x.id)
                    .ToList();
                Console.WriteLine($"[1] 该交易全部互换/预付金资金记录: {allCashRecords.Count} 条");
                foreach (var c in allCashRecords)
                {
                    Console.WriteLine($"    id={c.id} Action={c.Action} Money={c.Money:F2} HappenDate={c.HappenDate:yyyy-MM-dd} OptName={c.OptName} CreateDate={c.CreateDate:yyyy-MM-dd HH:mm}");
                }

                // 2. 该交易全部 swap_event（区分手动互换 vs 自动互换）
                var allEvents = db.swap_event
                    .Where(x => x.SwapTradeId == tradeId && !x.Invalid)
                    .OrderBy(x => x.ValueDate).ThenBy(x => x.id)
                    .ToList();
                Console.WriteLine($"\n[2] 该交易全部 swap_event: {allEvents.Count} 条");
                foreach (var e in allEvents)
                {
                    string etName = ((SwapEventTypeEnum)e.EventType).ToString();
                    Console.WriteLine($"    id={e.id} EventType={e.EventType}({etName}) ValueDate={e.ValueDate:yyyy-MM-dd} ClientCashId={e.ClientCashId}");
                }

                // 3. 关键：找出"自动互换"事件，确定重收盘的删除起点 valueDate
                var autoEvents = allEvents.Where(x => x.EventType == (int)SwapEventTypeEnum.自动互换).ToList();
                if (autoEvents.Count == 0)
                {
                    Console.WriteLine($"\n⚠ 该交易无自动互换事件，重收盘不会触发 ClearSwapPositions 的资金删除逻辑。");
                    Console.WriteLine($"  改用 SwapPositionCompose 的合成持仓路径（delAfter=false）也不删资金。");
                    Console.WriteLine($"  → 此样本不适合复现，需选有自动互换事件的样本。");
                    Assert.Inconclusive("此样本无自动互换事件，请换一个有自动互换的交易。");
                    return;
                }

                // 重收盘时 valueDate 取自动互换事件的最小 ValueDate（重收盘从该日起重算）
                var minAutoDate = autoEvents.Min(x => x.ValueDate);
                Console.WriteLine($"\n[3] 自动互换事件 {autoEvents.Count} 条，最早 ValueDate={minAutoDate:yyyy-MM-dd}（重收盘 valueDate 起点）");

                // 4. 模拟 ClearSwapPositions 第399-404行的删除条件
                var swapTradeIds = new List<int> { tradeId };
                var actions = new List<string> { ClientCashInCashOut.系统操作_预付金返息, ClientCashInCashOut.系统操作_互换 };
                var wouldDelete = allCashRecords
                    .Where(x => x.HappenDate >= minAutoDate && actions.Contains(x.Action))
                    .ToList();
                Console.WriteLine($"\n[4] ⚠ 模拟删除条件（HappenDate>={minAutoDate:yyyy-MM-dd} AND Action IN 互换/预付金返息）会命中: {wouldDelete.Count} 条");

                // 5. 逐条标注命中记录的来源（手动 vs 自动）
                var manualCashIds = allEvents
                    .Where(x => x.EventType == (int)SwapEventTypeEnum.互换 && x.ClientCashId > 0)
                    .Select(x => x.ClientCashId).ToHashSet();
                var autoCashIds = allEvents
                    .Where(x => x.EventType == (int)SwapEventTypeEnum.自动互换 && x.ClientCashId > 0)
                    .Select(x => x.ClientCashId).ToHashSet();

                int manualHit = 0, autoHit = 0, unknownHit = 0;
                Console.WriteLine($"    {"id",8} {"Action",-20} {"Money",12} {"HappenDate",-12} {"来源",10} {"⚠误删",6}");
                foreach (var c in wouldDelete)
                {
                    string source;
                    bool misDelete = false;
                    if (manualCashIds.Contains(c.id)) { source = "手动互换"; misDelete = true; manualHit++; }
                    else if (autoCashIds.Contains(c.id)) { source = "自动互换"; autoHit++; }
                    else { source = "未知(孤儿)"; unknownHit++; }
                    Console.WriteLine($"    {c.id,8} {c.Action,-20} {c.Money,12:F2} {c.HappenDate?.ToString("yyyy-MM-dd"),-12} {source,-10} {(misDelete ? "✓BUG" : ""),6}");
                }

                Console.WriteLine($"\n[结论] 删除命中 {wouldDelete.Count} 条 = 手动互换 {manualHit} + 自动互换 {autoHit} + 未知 {unknownHit}");
                if (manualHit > 0)
                {
                    Console.WriteLine($"⚠⚠⚠ 坐实 BUG：重收盘会误删 {manualHit} 条手动互换资金记录！");
                }
                Console.WriteLine($"\n（以上为纯查询诊断，未修改任何数据）");

                Assert.IsTrue(wouldDelete.Count > 0, "删除条件应至少命中1条");
            }
            finally
            {
                db?.Dispose();
            }
        }

        /// <summary>
        /// 候选样本交易ID。从 Step0 输出中选有自动互换事件 + 有手动互换资金记录的交易。
        /// </summary>
        private int SampleTradeId => 1903;

        /// <summary>
        /// Step1：录制样本交易快照 + 模拟删除条件，把"会被误删的手动互换资金记录"固化为 golden。
        ///
        /// 这是 TDD 红灯的核心产物：
        ///   - 录制该交易的 swap_event + ClientCashInCashOut 完整快照
        ///   - 模拟 ClearSwapPositions:400-404 的删除条件，算出命中列表
        ///   - 标注每条命中记录的来源（手动互换/自动互换/孤儿）
        ///   - 断言"命中列表含手动互换记录" → 当前成立（红灯，坐实 bug）
        ///
        /// 修复后（绿灯）：命中列表应只含自动互换记录，手动互换记录不在内 → 断言失败需更新 golden。
        ///
        /// 为何不直接调 SwapPositionCompose：
        ///   那会真删测试库数据且难恢复。录制+模拟条件能等价坐实 bug，又不破坏数据。
        /// </summary>
        [TestMethod]
        [TestCategory("DBRecording")]
        [Ignore]  // 写文件副作用 + 依赖测试库样本(trade 1903)，手动跑时取消注释；不进 CI（见类头注释）
        public void Step1_RecordAndDiagnoseDeleteBug()
        {
            int tradeId = SampleTradeId;
            YLContext db;
            try { db = DbContextFactory.GetYLDbContext(); }
            catch (Exception ex)
            {
                Assert.Inconclusive($"无法连接测试库（CI/无DB环境正常跳过）：{ex.Message}");
                return;
            }
            using (db)
            {
            Directory.CreateDirectory(GoldenDir);

            Console.WriteLine($"\n========== 录制 SwapTradeId={tradeId}（重收盘误删手动资金记录）==========\n");

            // 1. 交易主信息
            var trade = db.trade.FirstOrDefault(t => t.id == tradeId);
            Assert.IsNotNull(trade, $"trade {tradeId} 不存在");

            // 2. swap_event 快照（区分手动互换 vs 自动互换）
            var allEvents = db.swap_event
                .Where(x => x.SwapTradeId == tradeId && !x.Invalid)
                .OrderBy(x => x.ValueDate).ThenBy(x => x.id)
                .ToList();

            // 3. ClientCashInCashOut 快照（互换/预付金相关，bug 影响范围）
            var allCashRecords = db.ClientCashInCashOut
                .Where(x => x.TradeId == tradeId
                         && (x.Action == ClientCashInCashOut.系统操作_互换
                          || x.Action == ClientCashInCashOut.系统操作_预付金返息))
                .OrderBy(x => x.HappenDate).ThenBy(x => x.id)
                .ToList();

            // 4. 诊断：模拟删除条件，算出命中列表 + 来源标注
            var diagnosis = DiagnoseDeleteImpact(tradeId, allEvents, allCashRecords);
            Console.WriteLine(diagnosis.Summary);

            // 5. 序列化 golden
            var golden = new ReEodDeleteCashGoldenModel
            {
                SwapTradeId = tradeId,
                SwapTradeNo = trade.TradeNumber,
                RecordedAt = DateTime.Now,
                SourceDb = "test",
                Purpose = "重收盘误删手动互换资金记录 - TDD红灯证据",
                InputEvents = JArray.FromObject(allEvents, JsonSerializer.Create(JsonSettings)),
                InputCashRecords = JArray.FromObject(allCashRecords, JsonSerializer.Create(JsonSettings)),
                Diagnosis = JObject.FromObject(diagnosis, JsonSerializer.Create(JsonSettings))
            };

            string filePath = Path.Combine(GoldenDir, $"reeod_delete_trade_{tradeId}.json");
            File.WriteAllText(filePath, JsonConvert.SerializeObject(golden, JsonSettings));
            Console.WriteLine($"\n✅ golden 已保存: {filePath}");

            // 红灯断言（旧bug逻辑）：按 Action 字符串模糊删会命中手动互换记录
            Assert.IsTrue(diagnosis.手动互换误删记录数 > 0,
                $"红灯：旧bug删除条件(Action模糊删)会误删 {diagnosis.手动互换误删记录数} 条手动互换资金记录 " +
                $"(ids=[{string.Join(",", diagnosis.手动互换误删CashIds)}])。");

            // 绿灯断言（修复后逻辑）：排除 manualClientCashIds 后，手动互换记录不再被命中
            Assert.AreEqual(0, diagnosis.修复后手动误删数,
                $"绿灯：修复后逻辑(排除manualClientCashIds)不应再命中手动互换资金记录，" +
                $"实际仍命中 {diagnosis.修复后手动误删数} 条。");
            }
        }

        /// <summary>
        /// 模拟 ClearSwapPositions:400-404 的删除条件，诊断命中情况。
        /// </summary>
        private DeleteDiagnoseResult DiagnoseDeleteImpact(
            int tradeId,
            List<swap_event> allEvents,
            List<ClientCashInCashOut> allCashRecords)
        {
            var r = new DeleteDiagnoseResult { SwapTradeId = tradeId };
            var lines = new List<string>
            {
                $"--- 重收盘误删诊断 SwapTradeId={tradeId} ---",
                "",
                "[swap_event] 手动互换 vs 自动互换："
            };

            foreach (var e in allEvents)
            {
                if (e.EventType == (int)SwapEventTypeEnum.互换 || e.EventType == (int)SwapEventTypeEnum.自动互换)
                {
                    lines.Add($"  event id={e.id} EventType={((SwapEventTypeEnum)e.EventType).ToString()} " +
                              $"ValueDate={e.ValueDate:yyyy-MM-dd} ClientCashId={e.ClientCashId}");
                }
            }

            // 重收盘删除起点 = 自动互换事件最小 ValueDate（ClearSwapPositions 的 valueDate 入参）
            var autoEvents = allEvents.Where(x => x.EventType == (int)SwapEventTypeEnum.自动互换).ToList();
            r.自动互换事件数 = autoEvents.Count;

            if (autoEvents.Count == 0)
            {
                r.Summary = string.Join("\n", lines) + "\n\n⚠ 无自动互换事件，删除逻辑不触发。";
                return r;
            }

            var minAutoDate = autoEvents.Min(x => x.ValueDate);
            r.删除起点ValueDate = minAutoDate;

            // 来源标注：按 swap_event.ClientCashId 反查
            var manualCashIds = allEvents
                .Where(x => x.EventType == (int)SwapEventTypeEnum.互换 && x.ClientCashId > 0)
                .Select(x => x.ClientCashId).ToHashSet();
            var autoCashIds = autoEvents
                .Where(x => x.ClientCashId > 0)
                .Select(x => x.ClientCashId).ToHashSet();

            lines.Add("");
            lines.Add($"[删除条件模拟] valueDate={minAutoDate:yyyy-MM-dd}  Action IN (系统操作-互换, 系统操作-预付金返息)");
            lines.Add(string.Format("  {0,-8}{1,-22}{2,12}{3,-12}{4,-10}{5,-8}", "id", "Action", "Money", "HappenDate", "来源", "误删?"));

            // 模拟 ClearSwapPositions:400-404 Where 条件
            var actions = new List<string> { ClientCashInCashOut.系统操作_预付金返息, ClientCashInCashOut.系统操作_互换 };
            var wouldDelete = allCashRecords
                .Where(x => x.HappenDate >= minAutoDate && actions.Contains(x.Action))
                .ToList();

            r.删除命中总数 = wouldDelete.Count;

            foreach (var c in wouldDelete)
            {
                string source;
                bool misDelete = false;
                if (manualCashIds.Contains(c.id)) { source = "手动互换"; misDelete = true; r.手动互换误删记录数++; r.手动互换误删CashIds.Add(c.id); }
                else if (autoCashIds.Contains(c.id)) { source = "自动互换"; r.自动互换命中记录数++; }
                else { source = "未知(孤儿)"; r.孤儿命中记录数++; }
                r.命中明细.Add(new DeleteHitItem
                {
                    CashId = c.id, Action = c.Action, Money = c.Money ?? 0,
                    HappenDate = c.HappenDate, 来源 = source, 会被误删 = misDelete
                });
                lines.Add(string.Format("  {0,-8}{1,-22}{2,12:F2}{3,-12}{4,-10}{5,-8}",
                    c.id, c.Action, c.Money, c.HappenDate?.ToString("yyyy-MM-dd"), source, misDelete ? "✓BUG" : ""));
            }

            lines.Add("");
            // ===== 修复后逻辑模拟（验证 ClearSwapPositions 新代码不再误删手动记录）=====
            // 修复后代码(SwapTradeBaseService.cs:388-421)改为：
            //   1. 按 autoSwapEvents.ClientCashId 精准收集
            //   2. GetLegacyAutoSwapClientCashRecords 显式排除 manualClientCashIds（cs:491）
            // 模拟这个排除逻辑，看手动记录是否被排除
            lines.Add("[修复后逻辑模拟] 排除 manualClientCashIds 后的命中：");
            var fixedWouldDelete = wouldDelete
                .Where(x => !manualCashIds.Contains(x.id))   // 修复后：排除手动互换的资金记录
                .ToList();
            int fixedManualHit = wouldDelete.Count(x => manualCashIds.Contains(x.id)) - fixedWouldDelete.Count(x => manualCashIds.Contains(x.id));
            lines.Add($"  修复前命中手动互换: {r.手动互换误删记录数} 条 (ids=[{string.Join(",", r.手动互换误删CashIds)}])");
            lines.Add($"  修复后命中手动互换: {fixedWouldDelete.Count(x => manualCashIds.Contains(x.id))} 条");
            if (r.手动互换误删记录数 > 0 && fixedWouldDelete.Count(x => manualCashIds.Contains(x.id)) == 0)
            {
                lines.Add($"  ✅ 修复生效：手动互换资金记录被正确排除，不再误删！");
                r.修复后手动误删数 = 0;
            }
            else
            {
                lines.Add($"  ⚠ 修复未生效或部分生效");
                r.修复后手动误删数 = fixedWouldDelete.Count(x => manualCashIds.Contains(x.id));
            }

            lines.Add("");
            lines.Add("[结论]");
            lines.Add($"  删除命中 {r.删除命中总数} 条 = 手动互换 {r.手动互换误删记录数} + 自动互换 {r.自动互换命中记录数} + 孤儿 {r.孤儿命中记录数}");
            if (r.手动互换误删记录数 > 0)
            {
                lines.Add($"  ⚠⚠⚠ 坐实 BUG：重收盘会误删 {r.手动互换误删记录数} 条手动互换资金记录 (ids=[{string.Join(",", r.手动互换误删CashIds)}])");
                lines.Add($"  根因：ClearSwapPositions:400 按 Action=系统操作-互换 删除，该 Action 手动/自动共用，无来源字段区分。");
                r.结论 = $"坐实BUG：误删 {r.手动互换误删记录数} 条手动互换资金记录";
                r.BUG成立 = true;
            }
            else
            {
                lines.Add($"  未检测到误删手动互换记录（可能已修复）。");
                r.结论 = "未检测到误删";
                r.BUG成立 = false;
            }

            r.Summary = string.Join("\n", lines);
            return r;
        }

        /// <summary>
        /// Step2：离线校验已录制 golden 文件（不连库）。
        /// 确认 json 含完整快照 + 诊断结论能正确反序列化。
        /// 这是唯一不标 [Ignore] 且能进 CI 的测试（纯读文件，无外部依赖）。
        /// </summary>
        [TestMethod]
        [TestCategory("DBRecording")]
        public void Step2_VerifyRecordedGoldenFile()
        {
            if (!Directory.Exists(GoldenDir))
            {
                Assert.Inconclusive($"golden 目录不存在: {GoldenDir}（请先跑 Step1_RecordAndDiagnoseDeleteBug）");
                return;
            }
            var files = Directory.GetFiles(GoldenDir, "reeod_delete_trade_*.json");
            Assert.IsTrue(files.Length > 0, $"应至少有 1 个 golden 文件 in {GoldenDir}");

            foreach (var file in files)
            {
                var json = File.ReadAllText(file);
                var golden = JsonConvert.DeserializeObject<ReEodDeleteCashGoldenModel>(json);

                Assert.IsTrue(golden.SwapTradeId > 0, $"{file}: SwapTradeId 无效");
                Assert.IsNotNull(golden.InputEvents, $"{file}: InputEvents 缺失");
                Assert.IsTrue(golden.InputEvents.Count > 0, $"{file}: InputEvents 为空");
                Assert.IsNotNull(golden.InputCashRecords, $"{file}: InputCashRecords 缺失");
                Assert.IsTrue(golden.InputCashRecords.Count > 0, $"{file}: InputCashRecords 为空");
                Assert.IsNotNull(golden.Diagnosis, $"{file}: Diagnosis 缺失");

                Console.WriteLine($"✅ {Path.GetFileName(file)}: trade={golden.SwapTradeId}, " +
                                  $"events={golden.InputEvents.Count}条, cash={golden.InputCashRecords.Count}条, " +
                                  $"BUG成立={golden.Diagnosis?["BUG成立"]?.Value<bool>()}, " +
                                  $"结论={golden.Diagnosis?["结论"]?.Value<string>()}");
            }
        }

        private static readonly JsonSerializerSettings JsonSettings = new JsonSerializerSettings
        {
            Formatting = Formatting.Indented,
            NullValueHandling = NullValueHandling.Include,
            DateFormatString = "yyyy-MM-ddTHH:mm:ss",
            ReferenceLoopHandling = ReferenceLoopHandling.Ignore
        };
    }

    /// <summary>
    /// 重收盘误删 golden 模型：swap_event + ClientCashInCashOut 快照 + 删除命中诊断。
    /// </summary>
    public class ReEodDeleteCashGoldenModel
    {
        public int SwapTradeId { get; set; }
        public string SwapTradeNo { get; set; }
        public DateTime RecordedAt { get; set; }
        public string SourceDb { get; set; }
        public string Purpose { get; set; }
        public JArray InputEvents { get; set; }       // swap_event
        public JArray InputCashRecords { get; set; }  // ClientCashInCashOut
        public JObject Diagnosis { get; set; }
    }

    /// <summary>
    /// 重收盘删除命中诊断结果。
    /// </summary>
    public class DeleteDiagnoseResult
    {
        public int SwapTradeId { get; set; }
        public int 自动互换事件数 { get; set; }
        public DateTime 删除起点ValueDate { get; set; }
        public int 删除命中总数 { get; set; }
        public int 手动互换误删记录数 { get; set; }
        public int 自动互换命中记录数 { get; set; }
        public int 孤儿命中记录数 { get; set; }
        /// <summary>修复后逻辑（排除manualClientCashIds）模拟命中手动记录数，应为0。</summary>
        public int 修复后手动误删数 { get; set; }
        public List<long> 手动互换误删CashIds { get; set; } = new List<long>();
        public List<DeleteHitItem> 命中明细 { get; set; } = new List<DeleteHitItem>();
        public bool BUG成立 { get; set; }
        public string 结论 { get; set; }
        public string Summary { get; set; }
    }

    public class DeleteHitItem
    {
        public long CashId { get; set; }
        public string Action { get; set; }
        public double Money { get; set; }
        public DateTime? HappenDate { get; set; }
        public string 来源 { get; set; }
        public bool 会被误删 { get; set; }
    }
}