using Microsoft.Extensions.DependencyInjection;
using Moq;
using Shouldly;
using Tnsu.ApprovalRoute.Application.RequestTypes;
using Tnsu.ApprovalRoute.Application.TemplateRoutes;
using Tnsu.ApprovalRoute.Application.TemplateRouteSteps;
using Tnsu.ApprovalRoute.Domain.Enums;
using Tnsu.ApprovalRoute.Infrastructure.TnsuPortal;
using Tnsu.ApprovalRoute.IntegrationTests.Infrastructure;

namespace Tnsu.ApprovalRoute.IntegrationTests.ApplicationServices;

public sealed class TemplateRouteServiceTests : IClassFixture<PostgresDatabaseFixture>
{
    private static readonly Guid CompanyId = Guid.Parse("00000000-0000-0000-0000-000000000002");
    private static readonly Guid DepartmentId = Guid.Parse("00000000-0000-0000-0000-000000000001");

    private readonly string _connectionString;
    private readonly ServiceProvider _services;
    private readonly TemplateRouteService _service;
    private readonly RequestTypeService _requestTypeService;

    public TemplateRouteServiceTests(PostgresDatabaseFixture fixture)
    {
        _connectionString = fixture.ConnectionString;

        var portalClient = new Mock<ITnsuPortalClient>();
        portalClient
            .Setup(x => x.GetEmployeeByEmailAsync(It.IsAny<string>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync(new List<EmployeeDirectoryInfo> { new(CompanyId, DepartmentId, "ТОО TANSU Construction", "Тестовая должность") });
        portalClient
            .Setup(x => x.GetProjectExecutorsAsync(It.IsAny<Guid>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync([new ProjectExecutorInfo(ProjectRole.ProjectManager, "pm@tnsu.kz")]);
        portalClient
            .Setup(x => x.GetEmployeeByPositionAsync(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync(new EmployeeLookupResult(false, null, null));

        _services = TestServiceProviderFactory.Build(_connectionString, portalClient: portalClient.Object);
        _service = _services.GetRequiredService<TemplateRouteService>();
        _requestTypeService = _services.GetRequiredService<RequestTypeService>();
    }

    private async Task<int> CreateRequestTypeAsync(string name) =>
        (await _requestTypeService.CreateAsync(new CreateRequestTypeRequest(name, $"/{name}", null, null, "General"), CancellationToken.None)).Value.Id;

    private async Task<int> CreateRequestTypeWithListAsync(string name) =>
        (await _requestTypeService.CreateAsync(
            new CreateRequestTypeRequest(name, $"/{name}", "Requests", "https://tnsukz.sharepoint.com/sites/hrm", "General"),
            CancellationToken.None)).Value.Id;

    [Fact(DisplayName = "Создание маршрута и получение его по Id возвращает сохранённые данные")]
    public async Task CreateAsync_ThenGetAsync_ReturnsCreatedEntity()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeAsync("Vacation");

        // Action
        var created = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: true),
            CancellationToken.None);

        // Assert
        created.IsSuccess.ShouldBeTrue();
        created.Value.RequestTypeId.ShouldBe(requestTypeId);

        var fetched = await _service.GetAsync(created.Value.Id, CancellationToken.None);
        fetched.IsSuccess.ShouldBeTrue();
        fetched.Value.CompanyId.ShouldBe(CompanyId);
    }

    [Fact(DisplayName = "Создание маршрута с несуществующим типом заявки возвращает неуспешный результат")]
    public async Task CreateAsync_UnknownRequestType_ReturnsFailedResult()
    {
        // Action
        var result = await _service.CreateAsync(
            new CreateTemplateRouteRequest(999999, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        // Assert
        result.IsFailed.ShouldBeTrue();
    }

    [Fact(DisplayName = "Повторное создание маршрута с тем же типом заявки, отделом, компанией и признаком «по проекту» возвращает конфликт")]
    public async Task CreateAsync_DuplicateRoute_ReturnsFailedResult()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeAsync("Business trip");
        var request = new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false);
        var first = await _service.CreateAsync(request, CancellationToken.None);
        first.IsSuccess.ShouldBeTrue();

        // Action
        var duplicate = await _service.CreateAsync(request, CancellationToken.None);

        // Assert
        duplicate.IsFailed.ShouldBeTrue();
    }

    [Fact(DisplayName = "Обновление маршрута изменяет тип маршрута и признак необходимости контроля")]
    public async Task UpdateAsync_ChangesFields()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeAsync("Sick leave");
        var created = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        // Action
        var updated = await _service.UpdateAsync(
            created.Value.Id,
            new UpdateTemplateRouteRequest(DepartmentId, CompanyId, ByProject: false, RequiresControl: true),
            CancellationToken.None);

        // Assert
        updated.IsSuccess.ShouldBeTrue();
        updated.Value.RequiresControl.ShouldBeTrue();
    }

    [Fact(DisplayName = "Патч маршрута меняет только переданные поля, остальные остаются прежними")]
    public async Task PatchAsync_UpdatesOnlyProvidedFields()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeAsync("Patch route request");
        var created = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        // Action
        var patched = await _service.PatchAsync(
            created.Value.Id,
            new PatchTemplateRouteRequest(DepartmentId: null, CompanyId: null, ByProject: null, RequiresControl: true),
            CancellationToken.None);

        // Assert
        patched.IsSuccess.ShouldBeTrue();
        patched.Value.RequiresControl.ShouldBeTrue();
        patched.Value.CompanyId.ShouldBe(CompanyId);
        patched.Value.DepartmentId.ShouldBe(DepartmentId);
    }

    [Fact(DisplayName = "Удаление маршрута убирает его из базы")]
    public async Task DeleteAsync_RemovesEntity()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeAsync("Remote work");
        var created = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        // Action
        var deleted = await _service.DeleteAsync(created.Value.Id, CancellationToken.None);

        // Assert
        deleted.IsSuccess.ShouldBeTrue();

        var fetched = await _service.GetAsync(created.Value.Id, CancellationToken.None);
        fetched.IsFailed.ShouldBeTrue();
    }

    [Fact(DisplayName = "Резолв маршрута по точному совпадению отдела возвращает шаги с нужным статусом")]
    public async Task ResolveAsync_ExactDepartmentMatch_ReturnsMatchingStepsForStatus()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeAsync("Exact match request");
        var route = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: true),
            CancellationToken.None);

        var stepService = _services.GetRequiredService<TemplateRouteStepService>();
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, "approver@tnsu.kz", null, null, null, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.RouteId.ShouldBe(route.Value.Id);
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBe("approver@tnsu.kz");
        // Исполнитель задан email'ом, а не типом руководителя — PositionCode пуст.
        resolved.Value.Steps[0].PositionCode.ShouldBeNull();
    }

    // SLA приезжает в резолв уже с применённым наследованием — это осознанное
    // решение: строку списка согласования пишет request-portal, и он не должен
    // повторять у себя правило «шаг перекрывает тип».
    private async Task<int> CreateRequestTypeWithSlaAsync(string name, int? slaHours, bool? askOverdueReason) =>
        (await _requestTypeService.CreateAsync(
            new CreateRequestTypeRequest(name, $"/{name}", null, null, "General", slaHours, askOverdueReason),
            CancellationToken.None)).Value.Id;

    private async Task<ResolvedRouteStepDto> ResolveSingleStepWithSlaAsync(
        string requestTypeName, int? typeSla, bool? typeAsk, int? stepSla, bool? stepAsk)
    {
        var requestTypeId = await CreateRequestTypeWithSlaAsync(requestTypeName, typeSla, typeAsk);
        var route = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        var stepService = _services.GetRequiredService<TemplateRouteStepService>();
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(
                1, "approver@tnsu.kz", null, null, null, RouteStepStatus.Approval, false, null, ConditionsLogic.And,
                SlaHours: stepSla, AskOverdueReason: stepAsk),
            CancellationToken.None);

        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        resolved.IsSuccess.ShouldBeTrue();
        return resolved.Value.Steps.ShouldHaveSingleItem();
    }

    [Fact(DisplayName = "Резолв: шаг без своего SLA наследует часы и флаг от типа заявки")]
    public async Task ResolveAsync_StepWithoutSla_InheritsFromRequestType()
    {
        var step = await ResolveSingleStepWithSlaAsync(
            "Sla inherit", typeSla: 48, typeAsk: true, stepSla: null, stepAsk: null);

        step.SlaHours.ShouldBe(48);
        step.AskOverdueReason.ShouldBe(true);
    }

    [Fact(DisplayName = "Резолв: SLA шага перекрывает SLA типа заявки")]
    public async Task ResolveAsync_StepSla_OverridesRequestTypeSla()
    {
        var step = await ResolveSingleStepWithSlaAsync(
            "Sla override", typeSla: 48, typeAsk: true, stepSla: 8, stepAsk: false);

        step.SlaHours.ShouldBe(8);
        step.AskOverdueReason.ShouldBe(false);
    }

    // Ключевое отличие «не задано» от «ноль»: ноль на шаге — это осознанное
    // «напоминать сразу», и подменять его типовым значением нельзя.
    [Fact(DisplayName = "Резолв: заданный на шаге SLA = 0 не подменяется значением типа заявки")]
    public async Task ResolveAsync_StepSlaZero_IsNotReplacedByRequestTypeSla()
    {
        var step = await ResolveSingleStepWithSlaAsync(
            "Sla zero", typeSla: 48, typeAsk: true, stepSla: 0, stepAsk: false);

        step.SlaHours.ShouldBe(0);
        step.AskOverdueReason.ShouldBe(false);
    }

    [Fact(DisplayName = "Резолв: SLA не настроен ни на шаге, ни на типе — в ответе null")]
    public async Task ResolveAsync_NoSlaAnywhere_ReturnsNull()
    {
        var step = await ResolveSingleStepWithSlaAsync(
            "Sla absent", typeSla: null, typeAsk: null, stepSla: null, stepAsk: null);

        step.SlaHours.ShouldBeNull();
        step.AskOverdueReason.ShouldBeNull();
    }

    [Fact(DisplayName = "Резолв маршрута схлопывает шаги, резолвящиеся в одинаковый email, оставляя шаг с меньшим OrderNo")]
    public async Task ResolveAsync_StepsResolveToSameEmail_CollapsesToLowestOrderNo()
    {
        // Arrange
        var portalClient = new Mock<ITnsuPortalClient>();
        portalClient
            .Setup(x => x.GetEmployeeByEmailAsync(It.IsAny<string>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync(new List<EmployeeDirectoryInfo> { new(CompanyId, DepartmentId, "ТОО TANSU Construction", "Тестовая должность") });
        portalClient
            .Setup(x => x.GetManagerAsync(It.IsAny<string>(), "chief", It.IsAny<CancellationToken>()))
            .ReturnsAsync("dup@tnsu.kz");

        var services = TestServiceProviderFactory.Build(_connectionString, portalClient: portalClient.Object);
        var routeService = services.GetRequiredService<TemplateRouteService>();
        var requestTypeService = services.GetRequiredService<RequestTypeService>();
        var stepService = services.GetRequiredService<TemplateRouteStepService>();

        var requestTypeId = (await requestTypeService.CreateAsync(
            new CreateRequestTypeRequest("Collapse duplicates request", "/collapse-duplicates", null, null, "General"), CancellationToken.None)).Value.Id;
        var route = await routeService.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, "dup@tnsu.kz", null, null, null, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(2, "other@tnsu.kz", null, null, null, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(3, null, null, null, HeadType.Chief, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await routeService.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.Count.ShouldBe(2);
        resolved.Value.Steps[0].ExecutorEmail.ShouldBe("dup@tnsu.kz");
        resolved.Value.Steps[0].OrderNo.ShouldBe(1);
        // Схлопнутый шаг #1 задан по email (PositionCode пуст), но дубликат — шаг #3
        // по HeadType.Chief — принёс PositionCode. Он не должен потеряться при схлопывании.
        resolved.Value.Steps[0].PositionCode.ShouldBe(HeadType.Chief);
        resolved.Value.Steps[1].ExecutorEmail.ShouldBe("other@tnsu.kz");
        resolved.Value.Steps[1].OrderNo.ShouldBe(2);
    }

    [Fact(DisplayName = "Резолв маршрута: один email через два разных HeadType — предупреждение, PositionCode первого из них")]
    public async Task ResolveAsync_StepsResolveToSameEmailWithDifferentPositionCode_AddsWarningAndKeepsFirst()
    {
        // Arrange — оба типа руководителя резолвятся в один и тот же email.
        var portalClient = new Mock<ITnsuPortalClient>();
        portalClient
            .Setup(x => x.GetEmployeeByEmailAsync(It.IsAny<string>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync(new List<EmployeeDirectoryInfo> { new(CompanyId, DepartmentId, "ТОО TANSU Construction", "Тестовая должность") });
        portalClient
            .Setup(x => x.GetManagerAsync(It.IsAny<string>(), "chief", It.IsAny<CancellationToken>()))
            .ReturnsAsync("same@tnsu.kz");
        portalClient
            .Setup(x => x.GetManagerAsync(It.IsAny<string>(), "directionHead", It.IsAny<CancellationToken>()))
            .ReturnsAsync("same@tnsu.kz");

        var services = TestServiceProviderFactory.Build(_connectionString, portalClient: portalClient.Object);
        var routeService = services.GetRequiredService<TemplateRouteService>();
        var requestTypeService = services.GetRequiredService<RequestTypeService>();
        var stepService = services.GetRequiredService<TemplateRouteStepService>();

        var requestTypeId = (await requestTypeService.CreateAsync(
            new CreateRequestTypeRequest("Collapse conflicting position code request", "/collapse-conflicting-position-code", null, null, "General"),
            CancellationToken.None)).Value.Id;
        var route = await routeService.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, null, null, null, HeadType.Chief, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(2, null, null, null, HeadType.DirectionHead, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await routeService.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBe("same@tnsu.kz");
        resolved.Value.Steps[0].PositionCode.ShouldBe(HeadType.Chief);
        var warning = resolved.Value.Steps[0].Warning;
        warning.ShouldNotBeNull();
        warning.ShouldContain("Chief");
        warning.ShouldContain("DirectionHead");
    }

    [Fact(DisplayName = "Резолв маршрута с шагом «Руководитель указанного отдела» без departmentId в запросе — маршрут формируется, шаг с предупреждением")]
    public async Task ResolveAsync_DepartmentHeadStepWithoutDepartmentId_ReturnsWarningAndNullExecutor()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeAsync("Department head without id");
        var route = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        var stepService = _services.GetRequiredService<TemplateRouteStepService>();
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, null, null, null, HeadType.DepartmentHead, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action — departmentId в запросе не передан
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBeNull();
        var warning = resolved.Value.Steps[0].Warning;
        warning.ShouldNotBeNull();
        warning.ShouldContain("departmentId");
    }

    [Fact(DisplayName = "Резолв маршрута с шагом «Руководитель указанного отдела» и переданным departmentId — резолвится через портал")]
    public async Task ResolveAsync_DepartmentHeadStepWithDepartmentId_ResolvesViaPortalClient()
    {
        // Arrange
        var targetDepartmentId = Guid.Parse("00000000-0000-0000-0000-0000000000aa");
        var portalClient = new Mock<ITnsuPortalClient>();
        portalClient
            .Setup(x => x.GetEmployeeByEmailAsync(It.IsAny<string>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync(new List<EmployeeDirectoryInfo> { new(CompanyId, DepartmentId, "ТОО TANSU Construction", "Тестовая должность") });
        portalClient
            .Setup(x => x.GetDepartmentHeadEmailAsync(targetDepartmentId, It.IsAny<CancellationToken>()))
            .ReturnsAsync("head-of-department@tnsu.kz");

        var services = TestServiceProviderFactory.Build(_connectionString, portalClient: portalClient.Object);
        var routeService = services.GetRequiredService<TemplateRouteService>();
        var requestTypeService = services.GetRequiredService<RequestTypeService>();
        var stepService = services.GetRequiredService<TemplateRouteStepService>();

        var requestTypeId = (await requestTypeService.CreateAsync(
            new CreateRequestTypeRequest("Department head resolved", "/department-head-resolved", null, null, "General"), CancellationToken.None)).Value.Id;
        var route = await routeService.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, null, null, null, HeadType.DepartmentHead, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await routeService.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval, DepartmentId: targetDepartmentId),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBe("head-of-department@tnsu.kz");
        resolved.Value.Steps[0].Warning.ShouldBeNull();
    }

    [Fact(DisplayName = "Резолв маршрута с шагом «Руководитель указанного отдела», для которого портал не вернул руководителя — предупреждение")]
    public async Task ResolveAsync_DepartmentHeadNotFoundByPortal_ReturnsWarning()
    {
        // Arrange
        var targetDepartmentId = Guid.Parse("00000000-0000-0000-0000-0000000000bb");
        var portalClient = new Mock<ITnsuPortalClient>();
        portalClient
            .Setup(x => x.GetEmployeeByEmailAsync(It.IsAny<string>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync(new List<EmployeeDirectoryInfo> { new(CompanyId, DepartmentId, "ТОО TANSU Construction", "Тестовая должность") });
        portalClient
            .Setup(x => x.GetDepartmentHeadEmailAsync(targetDepartmentId, It.IsAny<CancellationToken>()))
            .ReturnsAsync((string?)null);

        var services = TestServiceProviderFactory.Build(_connectionString, portalClient: portalClient.Object);
        var routeService = services.GetRequiredService<TemplateRouteService>();
        var requestTypeService = services.GetRequiredService<RequestTypeService>();
        var stepService = services.GetRequiredService<TemplateRouteStepService>();

        var requestTypeId = (await requestTypeService.CreateAsync(
            new CreateRequestTypeRequest("Department head not found", "/department-head-not-found", null, null, "General"), CancellationToken.None)).Value.Id;
        var route = await routeService.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, null, null, null, HeadType.DepartmentHead, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await routeService.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval, DepartmentId: targetDepartmentId),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBeNull();
        var warning = resolved.Value.Steps[0].Warning;
        warning.ShouldNotBeNull();
        warning.ShouldContain(targetDepartmentId.ToString());
    }

    [Fact(DisplayName = "Резолв маршрута включает шаг с условием «больше», когда переданное значение поля его удовлетворяет")]
    public async Task ResolveAsync_ConditionGreaterThan_SatisfiedByFieldValue_IncludesStep()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeWithListAsync("Condition request satisfied");
        var route = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        var stepService = _services.GetRequiredService<TemplateRouteStepService>();
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, "big-amount@tnsu.kz", null, null, null, RouteStepStatus.Approval, false, new[] { new RouteStepConditionDto("Amount", ComparisonOperator.GreaterThan, "1000") }, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval,
                [new ResolveFieldValueDto("Amount", "1500")]),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBe("big-amount@tnsu.kz");
    }

    [Fact(DisplayName = "Резолв маршрута исключает шаг с условием, когда значение поля его не удовлетворяет")]
    public async Task ResolveAsync_ConditionGreaterThan_NotSatisfiedByFieldValue_ExcludesStep()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeWithListAsync("Condition request not satisfied");
        var route = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        var stepService = _services.GetRequiredService<TemplateRouteStepService>();
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, "big-amount@tnsu.kz", null, null, null, RouteStepStatus.Approval, false, new[] { new RouteStepConditionDto("Amount", ComparisonOperator.GreaterThan, "1000") }, ConditionsLogic.And),
            CancellationToken.None);
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(2, "always@tnsu.kz", null, null, null, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval,
                [new ResolveFieldValueDto("Amount", "500")]),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBe("always@tnsu.kz");
    }

    [Fact(DisplayName = "Резолв маршрута исключает шаг с условием, если значение поля вообще не передано")]
    public async Task ResolveAsync_ConditionField_MissingFromRequest_ExcludesStep()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeWithListAsync("Condition request missing value");
        var route = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        var stepService = _services.GetRequiredService<TemplateRouteStepService>();
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, "big-amount@tnsu.kz", null, null, null, RouteStepStatus.Approval, false, new[] { new RouteStepConditionDto("Amount", ComparisonOperator.GreaterThan, "1000") }, ConditionsLogic.And),
            CancellationToken.None);

        // Action — fieldValues не переданы вовсе
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldBeEmpty();
    }

    [Fact(DisplayName = "Резолв маршрута с условием «равно» сравнивает значения как строки без учёта регистра")]
    public async Task ResolveAsync_ConditionEqual_MatchesCaseInsensitive()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeWithListAsync("Condition request equal");
        var route = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        var stepService = _services.GetRequiredService<TemplateRouteStepService>();
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, "urgent@tnsu.kz", null, null, null, RouteStepStatus.Approval, false, new[] { new RouteStepConditionDto("Priority", ComparisonOperator.Equal, "Urgent") }, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval,
                [new ResolveFieldValueDto("Priority", "URGENT")]),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBe("urgent@tnsu.kz");
    }

    [Theory(DisplayName = "Резолв маршрута с условиями «не равно», «содержит», «не содержит»")]
    [InlineData(ComparisonOperator.NotEqual, "Urgent", "Normal", true)]
    [InlineData(ComparisonOperator.NotEqual, "Urgent", "URGENT", false)]
    [InlineData(ComparisonOperator.Contains, "urge", "Very Urgent", true)]
    [InlineData(ComparisonOperator.Contains, "urge", "Normal", false)]
    [InlineData(ComparisonOperator.NotContains, "urge", "Normal", true)]
    [InlineData(ComparisonOperator.NotContains, "urge", "Very Urgent", false)]
    public async Task ResolveAsync_TextConditions_IncludeStepOnlyWhenConditionHolds(
        ComparisonOperator operation, string expected, string actual, bool shouldMatch)
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeWithListAsync($"Condition request {operation} {actual}");
        var route = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        var stepService = _services.GetRequiredService<TemplateRouteStepService>();
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, "text-condition@tnsu.kz", null, null, null, RouteStepStatus.Approval, false, new[] { new RouteStepConditionDto("Priority", operation, expected) }, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval,
                [new ResolveFieldValueDto("Priority", actual)]),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.Count.ShouldBe(shouldMatch ? 1 : 0);
    }

    [Theory(DisplayName = "Резолв маршрута с несколькими условиями шага, объединёнными через И/ИЛИ")]
    // И: оба условия должны выполниться.
    [InlineData(ConditionsLogic.And, "1500", "Urgent", true)]
    [InlineData(ConditionsLogic.And, "500", "Urgent", false)]
    [InlineData(ConditionsLogic.And, "1500", "Normal", false)]
    // ИЛИ: достаточно одного.
    [InlineData(ConditionsLogic.Or, "500", "Urgent", true)]
    [InlineData(ConditionsLogic.Or, "1500", "Normal", true)]
    [InlineData(ConditionsLogic.Or, "500", "Normal", false)]
    public async Task ResolveAsync_MultipleConditions_CombinesWithConfiguredLogic(
        ConditionsLogic logic, string amount, string priority, bool shouldMatch)
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeWithListAsync($"Multi-condition request {logic} {amount} {priority}");
        var route = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        var stepService = _services.GetRequiredService<TemplateRouteStepService>();
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, "multi-condition@tnsu.kz", null, null, null, RouteStepStatus.Approval, false,
                new[]
                {
                    new RouteStepConditionDto("Amount", ComparisonOperator.GreaterThan, "1000"),
                    new RouteStepConditionDto("Priority", ComparisonOperator.Equal, "Urgent")
                },
                logic),
            CancellationToken.None);

        // Action
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval,
                [new ResolveFieldValueDto("Amount", amount), new ResolveFieldValueDto("Priority", priority)]),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.Count.ShouldBe(shouldMatch ? 1 : 0);
    }

    [Fact(DisplayName = "Резолв маршрута с ролью в проекте подставляет исполнителя из проекта")]
    public async Task ResolveAsync_ByProjectRole_UsesProjectExecutorEmail()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeAsync("Project request");
        var route = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: true, RequiresControl: false),
            CancellationToken.None);

        var stepService = _services.GetRequiredService<TemplateRouteStepService>();
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, null, null, ProjectRole.ProjectManager, null, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", Guid.NewGuid(), RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBe("pm@tnsu.kz");
    }

    [Fact(DisplayName = "Резолв шага с должностью подставляет email сотрудника, найденного по должности и компании инициатора")]
    public async Task ResolveAsync_ByPosition_UsesEmployeeFoundByPositionAndCompany()
    {
        // Arrange
        var portalClient = new Mock<ITnsuPortalClient>();
        portalClient
            .Setup(x => x.GetEmployeeByEmailAsync(It.IsAny<string>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync(new List<EmployeeDirectoryInfo> { new(CompanyId, DepartmentId, "ТОО TANSU Construction", "Lead Engineer") });
        portalClient
            .Setup(x => x.GetEmployeeByPositionAsync("Lead", "ТОО TANSU Construction", It.IsAny<CancellationToken>()))
            .ReturnsAsync(new EmployeeLookupResult(true, "lead@tnsu.kz", "Иванов Иван Иванович"));

        var services = TestServiceProviderFactory.Build(_connectionString, portalClient: portalClient.Object);
        var routeService = services.GetRequiredService<TemplateRouteService>();
        var requestTypeService = services.GetRequiredService<RequestTypeService>();
        var stepService = services.GetRequiredService<TemplateRouteStepService>();

        var requestTypeId = (await requestTypeService.CreateAsync(
            new CreateRequestTypeRequest("Position request", "/position-request", null, null, "General"), CancellationToken.None)).Value.Id;
        var route = await routeService.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, null, "Lead", null, null, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await routeService.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBe("lead@tnsu.kz");
        resolved.Value.Steps[0].Position.ShouldBe("Lead Engineer");
    }

    [Fact(DisplayName = "Резолв шага с типом руководителя Chief подставляет email руководителя из api.tnsu.kz")]
    public async Task ResolveAsync_ByHeadTypeChief_UsesManagerEmail()
    {
        // Arrange
        var portalClient = new Mock<ITnsuPortalClient>();
        portalClient
            .Setup(x => x.GetEmployeeByEmailAsync(It.IsAny<string>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync(new List<EmployeeDirectoryInfo> { new(CompanyId, DepartmentId, "ТОО TANSU Construction", "Chief position") });
        portalClient
            .Setup(x => x.GetManagerAsync("someone@tnsu.kz", "chief", It.IsAny<CancellationToken>()))
            .ReturnsAsync("chief@tnsu.kz");

        var services = TestServiceProviderFactory.Build(_connectionString, portalClient: portalClient.Object);
        var routeService = services.GetRequiredService<TemplateRouteService>();
        var requestTypeService = services.GetRequiredService<RequestTypeService>();
        var stepService = services.GetRequiredService<TemplateRouteStepService>();

        var requestTypeId = (await requestTypeService.CreateAsync(
            new CreateRequestTypeRequest("Chief request", "/chief-request", null, null, "General"), CancellationToken.None)).Value.Id;
        var route = await routeService.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, null, null, null, HeadType.Chief, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await routeService.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBe("chief@tnsu.kz");
        resolved.Value.Steps[0].PositionCode.ShouldBe(HeadType.Chief);
    }

    [Fact(DisplayName = "Резолв шага с типом руководителя DirectorTansu подставляет захардкоженный email из настроек")]
    public async Task ResolveAsync_ByHeadTypeDirectorTansu_UsesConfiguredEmail()
    {
        // Arrange
        var portalClient = new Mock<ITnsuPortalClient>();
        portalClient
            .Setup(x => x.GetEmployeeByEmailAsync(It.IsAny<string>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync(new List<EmployeeDirectoryInfo> { new(CompanyId, DepartmentId, "ТОО TANSU Construction", "Director position") });

        var services = TestServiceProviderFactory.Build(_connectionString, portalClient: portalClient.Object);
        var routeService = services.GetRequiredService<TemplateRouteService>();
        var requestTypeService = services.GetRequiredService<RequestTypeService>();
        var stepService = services.GetRequiredService<TemplateRouteStepService>();

        var requestTypeId = (await requestTypeService.CreateAsync(
            new CreateRequestTypeRequest("DirectorTansu request", "/director-tansu-request", null, null, "General"), CancellationToken.None)).Value.Id;
        var route = await routeService.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, null, null, null, HeadType.DirectorTansu, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await routeService.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBe("director.tansu@tnsu.kz");
        portalClient.Verify(x => x.GetManagerAsync(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<CancellationToken>()), Times.Never);
    }

    [Fact(DisplayName = "Резолв шага с типом руководителя CompanyDirectors резолвится в директора каждой компании инициатора, все с одним OrderNo")]
    public async Task ResolveAsync_ByHeadTypeCompanyDirectors_ResolvesOneRowPerCompany()
    {
        // Arrange — инициатор числится в двух компаниях; для одной из них (KazPromService)
        // должность директора захардкожена как «Главный механик», а не «Директор».
        var portalClient = new Mock<ITnsuPortalClient>();
        portalClient
            .Setup(x => x.GetEmployeeByEmailAsync(It.IsAny<string>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync(new List<EmployeeDirectoryInfo>
            {
                new(CompanyId, DepartmentId, "ТОО TANSU Construction", "Начальник отдела службы безопасности"),
                new(Guid.NewGuid(), DepartmentId, "ТОО KazPromService", "Начальник отдела службы безопасности")
            });
        portalClient
            .Setup(x => x.GetEmployeeByPositionAsync("Директор", "ТОО TANSU Construction", It.IsAny<CancellationToken>()))
            .ReturnsAsync(new EmployeeLookupResult(true, "director.tansu@tnsu.kz", "Директор TANSU"));
        portalClient
            .Setup(x => x.GetEmployeeByPositionAsync("Главный механик", "ТОО KazPromService", It.IsAny<CancellationToken>()))
            .ReturnsAsync(new EmployeeLookupResult(true, "mechanic.kps@tnsu.kz", "Главный механик KPS"));

        var services = TestServiceProviderFactory.Build(_connectionString, portalClient: portalClient.Object);
        var routeService = services.GetRequiredService<TemplateRouteService>();
        var requestTypeService = services.GetRequiredService<RequestTypeService>();
        var stepService = services.GetRequiredService<TemplateRouteStepService>();

        var requestTypeId = (await requestTypeService.CreateAsync(
            new CreateRequestTypeRequest("CompanyDirectors request", "/company-directors-request", null, null, "General"), CancellationToken.None)).Value.Id;
        var route = await routeService.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(5, null, null, null, HeadType.CompanyDirectors, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await routeService.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.Count.ShouldBe(2);
        resolved.Value.Steps.ShouldAllBe(s => s.OrderNo == 5);
        resolved.Value.Steps.ShouldAllBe(s => s.PositionCode == HeadType.CompanyDirectors);
        resolved.Value.Steps.ShouldContain(s => s.ExecutorEmail == "director.tansu@tnsu.kz");
        resolved.Value.Steps.ShouldContain(s => s.ExecutorEmail == "mechanic.kps@tnsu.kz");
    }

    [Fact(DisplayName = "Резолв: один и тот же директор двух разных компаний инициатора в CompanyDirectors схлопывается в одну строку")]
    public async Task ResolveAsync_ByHeadTypeCompanyDirectors_SamePersonDirectorOfTwoCompanies_CollapsesToOneRow()
    {
        // Arrange — инициатор числится в двух компаниях, и директор у них ОДИН и тот же
        // человек (например, холдинговая структура) — оба GetEmployeeByPositionAsync
        // возвращают один и тот же email.
        var portalClient = new Mock<ITnsuPortalClient>();
        portalClient
            .Setup(x => x.GetEmployeeByEmailAsync(It.IsAny<string>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync(new List<EmployeeDirectoryInfo>
            {
                new(CompanyId, DepartmentId, "ТОО TANSU Construction", "Начальник отдела службы безопасности"),
                new(Guid.NewGuid(), DepartmentId, "ТОО СТ Global", "Начальник отдела службы безопасности")
            });
        portalClient
            .Setup(x => x.GetEmployeeByPositionAsync("Директор", "ТОО TANSU Construction", It.IsAny<CancellationToken>()))
            .ReturnsAsync(new EmployeeLookupResult(true, "same.director@tnsu.kz", "Общий директор"));
        portalClient
            .Setup(x => x.GetEmployeeByPositionAsync("Генеральный директор", "ТОО СТ Global", It.IsAny<CancellationToken>()))
            .ReturnsAsync(new EmployeeLookupResult(true, "same.director@tnsu.kz", "Общий директор"));

        var services = TestServiceProviderFactory.Build(_connectionString, portalClient: portalClient.Object);
        var routeService = services.GetRequiredService<TemplateRouteService>();
        var requestTypeService = services.GetRequiredService<RequestTypeService>();
        var stepService = services.GetRequiredService<TemplateRouteStepService>();

        var requestTypeId = (await requestTypeService.CreateAsync(
            new CreateRequestTypeRequest("CompanyDirectors same person request", "/company-directors-same-person", null, null, "General"),
            CancellationToken.None)).Value.Id;
        var route = await routeService.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, null, null, null, HeadType.CompanyDirectors, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await routeService.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert — один человек не должен согласовывать одну и ту же заявку дважды
        // только из-за того, что он директор двух компаний инициатора одновременно.
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBe("same.director@tnsu.kz");
        resolved.Value.Steps[0].PositionCode.ShouldBe(HeadType.CompanyDirectors);
        resolved.Value.Steps[0].Warning.ShouldBeNull();
    }

    [Fact(DisplayName = "Резолв: один и тот же человек под РАЗНЫМИ email (общий Id в справочнике) в CompanyDirectors схлопывается в одну строку")]
    public async Task ResolveAsync_ByHeadTypeCompanyDirectors_SamePersonDifferentEmailsSameId_CollapsesToOneRow()
    {
        // Arrange — в справочнике api.tnsu.kz это один человек (один Guid Id), но у
        // него разные email в разных компаниях. Дедуп по email это бы не поймал —
        // отсюда и был реальный баг (одна и та же строка дважды на одном шаге).
        var personId = Guid.NewGuid();
        var portalClient = new Mock<ITnsuPortalClient>();
        portalClient
            .Setup(x => x.GetEmployeeByEmailAsync("someone@tnsu.kz", It.IsAny<CancellationToken>()))
            .ReturnsAsync(new List<EmployeeDirectoryInfo>
            {
                new(CompanyId, DepartmentId, "ТОО TANSU Construction", "Начальник отдела службы безопасности"),
                new(Guid.NewGuid(), DepartmentId, "ТОО СТ Global", "Начальник отдела службы безопасности")
            });
        portalClient
            .Setup(x => x.GetEmployeeByPositionAsync("Директор", "ТОО TANSU Construction", It.IsAny<CancellationToken>()))
            .ReturnsAsync(new EmployeeLookupResult(true, "director.tansu.email@tnsu.kz", "Общий директор"));
        portalClient
            .Setup(x => x.GetEmployeeByPositionAsync("Генеральный директор", "ТОО СТ Global", It.IsAny<CancellationToken>()))
            .ReturnsAsync(new EmployeeLookupResult(true, "director.stglobal.email@tnsu.kz", "Общий директор"));
        // Оба email в справочнике резолвятся в ОДНОГО и того же человека (общий Id) —
        // как в реальном порталe, где у сотрудника может быть несколько адресов.
        portalClient
            .Setup(x => x.GetEmployeeByEmailAsync("director.tansu.email@tnsu.kz", It.IsAny<CancellationToken>()))
            .ReturnsAsync(new List<EmployeeDirectoryInfo>
            {
                new(CompanyId, DepartmentId, "ТОО TANSU Construction", "Директор", personId)
            });
        portalClient
            .Setup(x => x.GetEmployeeByEmailAsync("director.stglobal.email@tnsu.kz", It.IsAny<CancellationToken>()))
            .ReturnsAsync(new List<EmployeeDirectoryInfo>
            {
                new(Guid.NewGuid(), DepartmentId, "ТОО СТ Global", "Генеральный директор", personId)
            });

        var services = TestServiceProviderFactory.Build(_connectionString, portalClient: portalClient.Object);
        var routeService = services.GetRequiredService<TemplateRouteService>();
        var requestTypeService = services.GetRequiredService<RequestTypeService>();
        var stepService = services.GetRequiredService<TemplateRouteStepService>();

        var requestTypeId = (await requestTypeService.CreateAsync(
            new CreateRequestTypeRequest("CompanyDirectors same person different emails request", "/company-directors-same-person-different-emails", null, null, "General"),
            CancellationToken.None)).Value.Id;
        var route = await routeService.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, null, null, null, HeadType.CompanyDirectors, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await routeService.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert — дедуп по Id сотрудника, а не по email: одна строка, а не две.
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].PositionCode.ShouldBe(HeadType.CompanyDirectors);
        resolved.Value.Steps[0].Warning.ShouldBeNull();
    }

    [Fact(DisplayName = "Резолв: если Директор Tansu совпадает с одним из Директоров компаний, эта строка убирается из CompanyDirectors")]
    public async Task ResolveAsync_DirectorTansuMatchesOneOfCompanyDirectors_RemovesDuplicateFromCompanyDirectors()
    {
        // Arrange — директор ТОО TANSU Construction (из шага CompanyDirectors, OrderNo 5)
        // и Директор Tansu (из шага DirectorTansu, OrderNo 10) — один и тот же человек
        // с одним и тем же email.
        var portalClient = new Mock<ITnsuPortalClient>();
        portalClient
            .Setup(x => x.GetEmployeeByEmailAsync(It.IsAny<string>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync(new List<EmployeeDirectoryInfo>
            {
                new(CompanyId, DepartmentId, "ТОО TANSU Construction", "Начальник отдела службы безопасности"),
                new(Guid.NewGuid(), DepartmentId, "ТОО KazPromService", "Начальник отдела службы безопасности")
            });
        portalClient
            .Setup(x => x.GetEmployeeByPositionAsync("Директор", "ТОО TANSU Construction", It.IsAny<CancellationToken>()))
            .ReturnsAsync(new EmployeeLookupResult(true, "director.tansu@tnsu.kz", "Директор TANSU"));
        portalClient
            .Setup(x => x.GetEmployeeByPositionAsync("Главный механик", "ТОО KazPromService", It.IsAny<CancellationToken>()))
            .ReturnsAsync(new EmployeeLookupResult(true, "mechanic.kps@tnsu.kz", "Главный механик KPS"));

        var services = TestServiceProviderFactory.Build(_connectionString, portalClient: portalClient.Object);
        var routeService = services.GetRequiredService<TemplateRouteService>();
        var requestTypeService = services.GetRequiredService<RequestTypeService>();
        var stepService = services.GetRequiredService<TemplateRouteStepService>();

        var requestTypeId = (await requestTypeService.CreateAsync(
            new CreateRequestTypeRequest("CompanyDirectors overlaps DirectorTansu request", "/company-directors-overlaps-director-tansu", null, null, "General"),
            CancellationToken.None)).Value.Id;
        var route = await routeService.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(5, null, null, null, HeadType.CompanyDirectors, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(10, null, null, null, HeadType.DirectorTansu, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action — тестовая конфигурация не переопределяет TnsuPortal:DirectorTansuEmail,
        // поэтому HeadType.DirectorTansu резолвится в дефолт из TnsuPortalOptions
        // ("director.tansu@tnsu.kz") — тот же email, что вернул GetEmployeeByPositionAsync
        // для ТОО TANSU Construction.
        var resolved = await routeService.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert — вместо трёх строк (2 CompanyDirectors + 1 DirectorTansu) остаётся
        // две: KazPromService-директор и Директор Tansu, без предупреждения о конфликте.
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.Count.ShouldBe(2);
        var tansuStep = resolved.Value.Steps.Single(s => s.ExecutorEmail == "director.tansu@tnsu.kz");
        tansuStep.PositionCode.ShouldBe(HeadType.DirectorTansu);
        tansuStep.OrderNo.ShouldBe(10);
        tansuStep.Warning.ShouldBeNull();
        resolved.Value.Steps.ShouldContain(s => s.ExecutorEmail == "mechanic.kps@tnsu.kz" && s.PositionCode == HeadType.CompanyDirectors);
    }

    [Fact(DisplayName = "Резолв шага с типом руководителя Chief возвращает warning, если руководитель не найден")]
    public async Task ResolveAsync_ByHeadTypeChief_NotFound_ReturnsWarning()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeAsync("Chief not found request");
        var route = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        var stepService = _services.GetRequiredService<TemplateRouteStepService>();
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, null, null, null, HeadType.Chief, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBeNull();
        var warning = resolved.Value.Steps[0].Warning;
        warning.ShouldNotBeNull();
        warning.ShouldContain("руководитель");
    }

    [Fact(DisplayName = "Резолв шага с должностью возвращает warning, если сотрудник по должности не найден")]
    public async Task ResolveAsync_ByPosition_NotFound_ReturnsWarning()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeAsync("Position not found request");
        var route = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        var stepService = _services.GetRequiredService<TemplateRouteStepService>();
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, null, "Несуществующая должность", null, null, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBeNull();
        var warning = resolved.Value.Steps[0].Warning;
        warning.ShouldNotBeNull();
        warning.ShouldContain("должности");
    }

    [Fact(DisplayName = "Резолв шага с ролью в проекте возвращает warning, если исполнитель с такой ролью не найден")]
    public async Task ResolveAsync_ByProjectRole_NotFound_ReturnsWarning()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeAsync("Project role not found request");
        var route = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId, CompanyId, ByProject: true, RequiresControl: false),
            CancellationToken.None);

        var stepService = _services.GetRequiredService<TemplateRouteStepService>();
        await stepService.CreateAsync(
            route.Value.Id,
            new CreateTemplateRouteStepRequest(1, null, null, ProjectRole.Security, null, RouteStepStatus.Approval, false, null, ConditionsLogic.And),
            CancellationToken.None);

        // Action
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", Guid.NewGuid(), RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.Steps.ShouldHaveSingleItem();
        resolved.Value.Steps[0].ExecutorEmail.ShouldBeNull();
        var warning = resolved.Value.Steps[0].Warning;
        warning.ShouldNotBeNull();
        warning.ShouldContain("роль");
    }

    [Fact(DisplayName = "Резолв маршрута откатывается на маршрут без отдела, если точного совпадения по отделу нет")]
    public async Task ResolveAsync_NoDepartmentRoute_FallsBackToCompanyWideRoute()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeAsync("Company-wide request");
        var route = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId: null, CompanyId, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        // Action
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Execution),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.RouteId.ShouldBe(route.Value.Id);
    }

    [Fact(DisplayName = "Резолв маршрута без компании инициатора использует запасной маршрут без указанной компании")]
    public async Task ResolveAsync_NoCompanyRoute_FallsBackToRouteWithoutCompany()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeAsync("No company route request");
        var route = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId: null, CompanyId: null, ByProject: false, RequiresControl: false),
            CancellationToken.None);

        // Action
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Execution),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.RouteId.ShouldBe(route.Value.Id);
    }

    [Fact(DisplayName = "Резолв маршрута предпочитает маршрут с компанией инициатора маршруту без компании")]
    public async Task ResolveAsync_RouteWithCompanyExists_PreferredOverRouteWithoutCompany()
    {
        // Arrange
        var requestTypeId = await CreateRequestTypeAsync("Company priority request");
        var companyWideRoute = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId: null, CompanyId: null, ByProject: false, RequiresControl: false),
            CancellationToken.None);
        var companySpecificRoute = await _service.CreateAsync(
            new CreateTemplateRouteRequest(requestTypeId, DepartmentId: null, CompanyId, ByProject: false, RequiresControl: true),
            CancellationToken.None);

        // Action
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(requestTypeId, "someone@tnsu.kz", null, RouteStepStatus.Execution),
            CancellationToken.None);

        // Assert
        resolved.IsSuccess.ShouldBeTrue();
        resolved.Value.RouteId.ShouldBe(companySpecificRoute.Value.Id);
        resolved.Value.RouteId.ShouldNotBe(companyWideRoute.Value.Id);
    }

    [Fact(DisplayName = "Резолв маршрута с несуществующим типом заявки возвращает неуспешный результат")]
    public async Task ResolveAsync_UnknownRequestType_ReturnsFailedResult()
    {
        // Action
        var resolved = await _service.ResolveAsync(
            new ResolveTemplateRouteRequest(999999, "someone@tnsu.kz", null, RouteStepStatus.Approval),
            CancellationToken.None);

        // Assert
        resolved.IsFailed.ShouldBeTrue();
    }
}