using System.Reflection;
using Omika.Core.Compatibility;
using Omika.Core.Contracts.Common;
using Omika.Core.Contracts.Documents;
using Omika.Core.Contracts.Interventions;
using Omika.Core.Contracts.Mobile.Sync;
using Omika.Core.Domain.Commands;
using Omika.Core.Domain.Entities.Interventions;
using Omika.Core.Domain.ValueObjects;
using Omika.Core.Interfaces;
using Omika.Core.Interfaces.Mobile;
using Omika.Core.Services;

using Omika.Core.Domain;

namespace Omika.Tests.Services;

/// <summary>
/// Tests unitaires de <see cref="InterventionService"/> avec un fake
/// <see cref="IInterventionRepository"/> en mémoire. Aucune base réelle.
/// </summary>
public class InterventionServiceTests
{
    private static readonly IMobileEntityIdentityResolver IdentityResolver = new FakeIdentityResolver();

    // =========================================================================
    // SEARCH
    // =========================================================================

    [Fact]
    public async Task SearchAsync_CallsRepositoryOnce()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchAsync(new SearchInterventionsRequest());

        Assert.Equal(1, repo.SearchCallCount);
    }

    [Fact]
    public async Task SearchAsync_TransmitsPage()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchAsync(new SearchInterventionsRequest { Page = 3 });

        Assert.Equal(3, repo.LastSearchCriteria?.Page);
    }

    [Fact]
    public async Task SearchAsync_TransmitsPageSize()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchAsync(new SearchInterventionsRequest { PageSize = 50 });

        Assert.Equal(50, repo.LastSearchCriteria?.PageSize);
    }

    [Fact]
    public async Task SearchAsync_TransmitsSearch()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchAsync(new SearchInterventionsRequest { Search = "test" });

        Assert.Equal("test", repo.LastSearchCriteria?.Search);
    }

    [Fact]
    public async Task SearchAsync_TransmitsTitre()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchAsync(new SearchInterventionsRequest { Titre = "Réparation" });

        Assert.Equal("Réparation", repo.LastSearchCriteria?.Titre);
    }

    [Fact]
    public async Task SearchAsync_TransmitsReference()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchAsync(new SearchInterventionsRequest { Reference = "INT-001" });

        Assert.Equal("INT-001", repo.LastSearchCriteria?.Reference);
    }

    [Fact]
    public async Task SearchAsync_TransmitsType()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchAsync(new SearchInterventionsRequest { Type = "Maintenance" });

        Assert.Equal("Maintenance", repo.LastSearchCriteria?.Type);
    }

    [Fact]
    public async Task SearchAsync_TransmitsEtat()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchAsync(new SearchInterventionsRequest { Etat = "En cours" });

        Assert.Equal("En cours", repo.LastSearchCriteria?.Etat);
    }

    [Fact]
    public async Task SearchAsync_TransmitsEstArchive()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchAsync(new SearchInterventionsRequest { EstArchive = true });

        Assert.True(repo.LastSearchCriteria?.EstArchive);
    }

    [Fact]
    public async Task SearchAsync_TransmitsSortBy()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchAsync(new SearchInterventionsRequest { SortBy = "Date" });

        Assert.Equal("Date", repo.LastSearchCriteria?.SortBy);
    }

    [Fact]
    public async Task SearchAsync_TransmitsSortDescending()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchAsync(new SearchInterventionsRequest { SortDescending = true });

        Assert.True(repo.LastSearchCriteria?.SortDescending);
    }

    [Fact]
    public async Task SearchAsync_TransmitsCancellationToken()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);
        using var cts = new CancellationTokenSource();

        await service.SearchAsync(new SearchInterventionsRequest(), cts.Token);

        Assert.Equal(cts.Token, repo.LastCancellationToken);
    }

    [Fact]
    public async Task SearchAsync_EmptyResult_ReturnsEmptyPage()
    {
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>([], 1, 20, 0, 0)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionSummaryDto> result = await service.SearchAsync(
            new SearchInterventionsRequest());

        Assert.Empty(result.Items);
        Assert.Equal(0, result.TotalCount);
        Assert.Equal(0, result.TotalPages);
        Assert.Equal(1, result.Page);
        Assert.Equal(20, result.PageSize);
    }

    [Fact]
    public async Task SearchAsync_SingleIntervention_MapsToSummaryDto()
    {
        var intervention = new Intervention
        {
            Reference = "INT-001",
            Titre = "Réparation",
            Type = new ReferenceValue("Maintenance") { Key = "MAINT" },
            Etat = new ReferenceValue("En cours") { Key = "ENCOURS" },
            DatePrevueDebut = new DateTime(2026, 1, 15)
        };
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>([intervention], 1, 20, 1, 1)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionSummaryDto> result = await service.SearchAsync(
            new SearchInterventionsRequest());

        InterventionSummaryDto dto = Assert.Single(result.Items);
        Assert.Equal("INT-001", dto.Reference);
        Assert.Equal("Réparation", dto.Titre);
        Assert.Equal("Maintenance", dto.Type);
        Assert.Equal("En cours", dto.Etat);
        Assert.Equal(new DateTime(2026, 1, 15), dto.DatePrevueDebut);
    }

    [Fact]
    public async Task SearchAsync_MultipleInterventions_MapsAllToDtos()
    {
        var interventions = new[]
        {
            new Intervention { Titre = "Alpha", Reference = "A" },
            new Intervention { Titre = "Beta", Reference = "B" },
            new Intervention { Titre = "Gamma", Reference = "C" }
        };
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>(interventions, 1, 20, 3, 1)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionSummaryDto> result = await service.SearchAsync(
            new SearchInterventionsRequest());

        Assert.Equal(3, result.Items.Count);
        Assert.Equal(3, result.TotalCount);
        Assert.Equal("Alpha", result.Items[0].Titre);
        Assert.Equal("Beta", result.Items[1].Titre);
        Assert.Equal("Gamma", result.Items[2].Titre);
    }

    [Fact]
    public async Task SearchAsync_PreservesTotalCount()
    {
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>([], 2, 10, 42, 5)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionSummaryDto> result = await service.SearchAsync(
            new SearchInterventionsRequest());

        Assert.Equal(42, result.TotalCount);
        Assert.Equal(2, result.Page);
        Assert.Equal(10, result.PageSize);
        Assert.Equal(5, result.TotalPages);
    }

    [Fact]
    public async Task SearchAsync_IdComesFromInterventionContractMapper()
    {
        var intervention = new Intervention { Titre = "Test" };
        var expectedId = intervention.Id.ToString();
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>([intervention], 1, 20, 1, 1)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionSummaryDto> result = await service.SearchAsync(
            new SearchInterventionsRequest());

        Assert.Equal(expectedId, result.Items[0].Id);
    }

    [Fact]
    public async Task SearchAsync_ServiceDoesNotRePaginate()
    {
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>(
                [new Intervention { Titre = "A" }, new Intervention { Titre = "B" }], 3, 15, 100, 7)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionSummaryDto> result = await service.SearchAsync(
            new SearchInterventionsRequest { Page = 1, PageSize = 5 });

        Assert.Equal(2, result.Items.Count);
        Assert.Equal(100, result.TotalCount);
        Assert.Equal(7, result.TotalPages);
    }

    // =========================================================================
    // SEARCH DETAILS (BULK)
    // =========================================================================

    [Fact]
    public async Task SearchDetailsAsync_CallsRepositoryOnce()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchDetailsAsync(new SearchInterventionsRequest());

        Assert.Equal(1, repo.SearchCallCount);
    }

    [Fact]
    public async Task SearchDetailsAsync_TransmitsPage()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchDetailsAsync(new SearchInterventionsRequest { Page = 3 });

        Assert.Equal(3, repo.LastSearchCriteria?.Page);
    }

    [Fact]
    public async Task SearchDetailsAsync_TransmitsPageSize()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchDetailsAsync(new SearchInterventionsRequest { PageSize = 50 });

        Assert.Equal(50, repo.LastSearchCriteria?.PageSize);
    }

    [Fact]
    public async Task SearchDetailsAsync_TransmitsSearch()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchDetailsAsync(new SearchInterventionsRequest { Search = "test" });

        Assert.Equal("test", repo.LastSearchCriteria?.Search);
    }

    [Fact]
    public async Task SearchDetailsAsync_TransmitsTitre()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchDetailsAsync(new SearchInterventionsRequest { Titre = "Réparation" });

        Assert.Equal("Réparation", repo.LastSearchCriteria?.Titre);
    }

    [Fact]
    public async Task SearchDetailsAsync_TransmitsReference()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchDetailsAsync(new SearchInterventionsRequest { Reference = "INT-001" });

        Assert.Equal("INT-001", repo.LastSearchCriteria?.Reference);
    }

    [Fact]
    public async Task SearchDetailsAsync_TransmitsType()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchDetailsAsync(new SearchInterventionsRequest { Type = "Maintenance" });

        Assert.Equal("Maintenance", repo.LastSearchCriteria?.Type);
    }

    [Fact]
    public async Task SearchDetailsAsync_TransmitsEtat()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchDetailsAsync(new SearchInterventionsRequest { Etat = "En cours" });

        Assert.Equal("En cours", repo.LastSearchCriteria?.Etat);
    }

    [Fact]
    public async Task SearchDetailsAsync_TransmitsEstArchive()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchDetailsAsync(new SearchInterventionsRequest { EstArchive = true });

        Assert.True(repo.LastSearchCriteria?.EstArchive);
    }

    [Fact]
    public async Task SearchDetailsAsync_TransmitsSortBy()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchDetailsAsync(new SearchInterventionsRequest { SortBy = "Date" });

        Assert.Equal("Date", repo.LastSearchCriteria?.SortBy);
    }

    [Fact]
    public async Task SearchDetailsAsync_TransmitsSortDescending()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.SearchDetailsAsync(new SearchInterventionsRequest { SortDescending = true });

        Assert.True(repo.LastSearchCriteria?.SortDescending);
    }

    [Fact]
    public async Task SearchDetailsAsync_TransmitsCancellationToken()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);
        using var cts = new CancellationTokenSource();

        await service.SearchDetailsAsync(new SearchInterventionsRequest(), cts.Token);

        Assert.Equal(cts.Token, repo.LastCancellationToken);
    }

    [Fact]
    public async Task SearchDetailsAsync_EmptyResult_ReturnsEmptyPage()
    {
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>([], 1, 20, 0, 0)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionDetailsDto> result = await service.SearchDetailsAsync(
            new SearchInterventionsRequest());

        Assert.Empty(result.Items);
        Assert.Equal(0, result.TotalCount);
        Assert.Equal(0, result.TotalPages);
        Assert.Equal(1, result.Page);
        Assert.Equal(20, result.PageSize);
    }

    [Fact]
    public async Task SearchDetailsAsync_MultipleInterventions_MapsAllToDetailsDtos()
    {
        var interventions = new[]
        {
            new Intervention { Titre = "Alpha", Reference = "A" },
            new Intervention { Titre = "Beta", Reference = "B" },
            new Intervention { Titre = "Gamma", Reference = "C" }
        };
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>(interventions, 1, 20, 3, 1)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionDetailsDto> result = await service.SearchDetailsAsync(
            new SearchInterventionsRequest());

        Assert.Equal(3, result.Items.Count);
        Assert.Equal(3, result.TotalCount);
        Assert.Equal("Alpha", result.Items[0].Titre);
        Assert.Equal("Beta", result.Items[1].Titre);
        Assert.Equal("Gamma", result.Items[2].Titre);
    }

    [Fact]
    public async Task SearchDetailsAsync_PreservesTotalCount()
    {
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>([], 2, 10, 42, 5)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionDetailsDto> result = await service.SearchDetailsAsync(
            new SearchInterventionsRequest());

        Assert.Equal(42, result.TotalCount);
        Assert.Equal(2, result.Page);
        Assert.Equal(10, result.PageSize);
        Assert.Equal(5, result.TotalPages);
    }

    [Fact]
    public async Task SearchDetailsAsync_SourceReference_Preserved()
    {
        var intervention = new Intervention
        {
            Titre = "Test",
            SourceReference = LegacyEntityReference.FromLegacyId(42)
        };
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>([intervention], 1, 20, 1, 1)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionDetailsDto> result = await service.SearchDetailsAsync(
            new SearchInterventionsRequest());

        InterventionDetailsDto dto = Assert.Single(result.Items);
        Assert.NotNull(dto.SourceReference);
        Assert.Equal(42, dto.SourceReference.NumericId);
    }

    [Fact]
    public async Task SearchDetailsAsync_ClientSourceReference_Preserved()
    {
        var intervention = new Intervention
        {
            Titre = "Test",
            ClientSourceReference = LegacyEntityReference.FromLegacyId(7)
        };
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>([intervention], 1, 20, 1, 1)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionDetailsDto> result = await service.SearchDetailsAsync(
            new SearchInterventionsRequest());

        InterventionDetailsDto dto = Assert.Single(result.Items);
        Assert.NotNull(dto.ClientSourceReference);
        Assert.Equal(7, dto.ClientSourceReference.NumericId);
    }

    [Fact]
    public async Task SearchDetailsAsync_SiteSourceReference_Preserved()
    {
        var intervention = new Intervention
        {
            Titre = "Test",
            SiteSourceReference = LegacyEntityReference.FromLegacyId(99)
        };
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>([intervention], 1, 20, 1, 1)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionDetailsDto> result = await service.SearchDetailsAsync(
            new SearchInterventionsRequest());

        InterventionDetailsDto dto = Assert.Single(result.Items);
        Assert.NotNull(dto.SiteSourceReference);
        Assert.Equal(99, dto.SiteSourceReference.NumericId);
    }

    [Fact]
    public async Task SearchDetailsAsync_DossierSourceReference_Preserved()
    {
        var intervention = new Intervention
        {
            Titre = "Test",
            DossierSourceReference = LegacyEntityReference.FromLegacyId(123)
        };
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>([intervention], 1, 20, 1, 1)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionDetailsDto> result = await service.SearchDetailsAsync(
            new SearchInterventionsRequest());

        InterventionDetailsDto dto = Assert.Single(result.Items);
        Assert.NotNull(dto.DossierSourceReference);
        Assert.Equal(123, dto.DossierSourceReference.NumericId);
    }

    [Fact]
    public async Task SearchDetailsAsync_ActionsMapped()
    {
        var intervention = new Intervention { Titre = "Test" };
        intervention.AddAction(new ActionIntervention { Description = "Action 1" });
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>([intervention], 1, 20, 1, 1)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionDetailsDto> result = await service.SearchDetailsAsync(
            new SearchInterventionsRequest());

        InterventionDetailsDto dto = Assert.Single(result.Items);
        Assert.Single(dto.Actions);
        Assert.Equal("Action 1", dto.Actions[0].Description);
    }

    [Fact]
    public async Task SearchDetailsAsync_DoesNotCallGetById()
    {
        // Le service SearchDetailsAsync doit appeler UNIQUEMENT le repository
        // bulk (SearchDetailsAsync) et JAMAIS GetDetailsAsync par intervention.
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>(
                [new Intervention { Titre = "A" }, new Intervention { Titre = "B" }], 1, 20, 2, 1)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionDetailsDto> result = await service.SearchDetailsAsync(
            new SearchInterventionsRequest());

        Assert.Equal(2, result.Items.Count);
        Assert.Equal(0, repo.DetailsCallCount);
    }

    [Fact]
    public async Task SearchDetailsAsync_ServiceDoesNotRePaginate()
    {
        var repo = new FakeInterventionRepository
        {
            SearchResult = new PagedResult<Intervention>(
                [new Intervention { Titre = "A" }, new Intervention { Titre = "B" }], 3, 15, 100, 7)
        };
        var service = new InterventionService(repo, IdentityResolver);

        PagedResult<InterventionDetailsDto> result = await service.SearchDetailsAsync(
            new SearchInterventionsRequest { Page = 1, PageSize = 5 });

        Assert.Equal(2, result.Items.Count);
        Assert.Equal(100, result.TotalCount);
        Assert.Equal(7, result.TotalPages);
    }

    // =========================================================================
    // DETAIL
    // =========================================================================

    [Fact]
    public async Task GetByIdAsync_TransmitsExactId()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.GetByIdAsync("test-id-123");

        Assert.Equal("test-id-123", repo.LastDetailsId);
    }

    [Fact]
    public async Task GetByIdAsync_TransmitsCancellationToken()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);
        using var cts = new CancellationTokenSource();

        await service.GetByIdAsync("42", cts.Token);

        Assert.Equal(cts.Token, repo.LastCancellationToken);
    }

    [Fact]
    public async Task GetByIdAsync_RepositoryReturnsNull_ReturnsNull()
    {
        var repo = new FakeInterventionRepository { DetailsResult = null };
        var service = new InterventionService(repo, IdentityResolver);

        InterventionDetailsDto? result = await service.GetByIdAsync("999");

        Assert.Null(result);
    }

    [Fact]
    public async Task GetByIdAsync_MapsToDetailsDto()
    {
        var intervention = new Intervention
        {
            Reference = "INT-001",
            Titre = "Réparation",
            Type = new ReferenceValue("Maintenance") { Key = "MAINT" },
            Etat = new ReferenceValue("En cours") { Key = "ENCOURS" }
        };
        var repo = new FakeInterventionRepository { DetailsResult = intervention };
        var service = new InterventionService(repo, IdentityResolver);

        InterventionDetailsDto? result = await service.GetByIdAsync("42");

        Assert.NotNull(result);
        Assert.Equal("INT-001", result.Reference);
        Assert.Equal("Réparation", result.Titre);
        Assert.Equal("Maintenance", result.Type?.Label);
        Assert.Equal("En cours", result.Etat?.Label);
    }

    [Fact]
    public async Task GetByIdAsync_ActionsMapped()
    {
        var intervention = new Intervention { Titre = "Test" };
        intervention.AddAction(new ActionIntervention { Description = "Action 1" });
        var repo = new FakeInterventionRepository { DetailsResult = intervention };
        var service = new InterventionService(repo, IdentityResolver);

        InterventionDetailsDto? result = await service.GetByIdAsync("42");

        Assert.NotNull(result);
        Assert.Single(result.Actions);
        Assert.Equal("Action 1", result.Actions[0].Description);
    }

    [Fact]
    public async Task GetByIdAsync_IdComesFromMapper()
    {
        var intervention = new Intervention { Titre = "Test" };
        var expectedId = intervention.Id.ToString();
        var repo = new FakeInterventionRepository { DetailsResult = intervention };
        var service = new InterventionService(repo, IdentityResolver);

        InterventionDetailsDto? result = await service.GetByIdAsync("42");

        Assert.NotNull(result);
        Assert.Equal(expectedId, result.Id);
    }

    [Fact]
    public async Task GetByIdAsync_NoGuidParsingInService()
    {
        var repo = new FakeInterventionRepository();
        var service = new InterventionService(repo, IdentityResolver);

        await service.GetByIdAsync("not-a-guid-nor-int");

        Assert.Equal("not-a-guid-nor-int", repo.LastDetailsId);
    }

    [Fact]
    public async Task GetByIdAsync_RepositoryException_Propagated()
    {
        var repo = new FakeInterventionRepository
        {
            ThrowOnDetails = new InvalidOperationException("Infrastructure error")
        };
        var service = new InterventionService(repo, IdentityResolver);

        var ex = await Assert.ThrowsAsync<InvalidOperationException>(
            () => service.GetByIdAsync("42"));

        Assert.Equal("Infrastructure error", ex.Message);
    }

    // =========================================================================
    // CREATE
    // =========================================================================

    [Fact]
    public async Task CreateAsync_CallsRepositoryOnce()
    {
        var repo = new FakeInterventionRepository
        {
            CreateResult = new Intervention { Titre = "Nouveau", Reference = "INT-001" }
        };
        var service = new InterventionService(repo, IdentityResolver);

        await service.CreateAsync(new CreateInterventionRequest { Titre = "Nouveau" });

        Assert.Equal(1, repo.CreateCallCount);
    }

    [Fact]
    public async Task CreateAsync_MapsAllProperties()
    {
        var repo = new FakeInterventionRepository
        {
            CreateResult = new Intervention { Titre = "Nouveau" }
        };
        var service = new InterventionService(repo, IdentityResolver);

        await service.CreateAsync(new CreateInterventionRequest
        {
            Reference = "INT-001",
            Titre = "Nouveau",
            Description = "Description",
            Type = new ReferenceValueDto { Key = "MAINT" },
            Priorite = new ReferenceValueDto { Key = "HAUTE" },
            DatePrevueDebut = new DateTime(2026, 1, 15),
            DatePrevueFin = new DateTime(2026, 1, 20)
        });

        Assert.Equal("INT-001", repo.LastCreateCommand!.Reference);
        Assert.Equal("Nouveau", repo.LastCreateCommand!.Titre);
        Assert.Equal("Description", repo.LastCreateCommand!.Description);
        Assert.Equal("MAINT", repo.LastCreateCommand!.TypeKey);
        Assert.Equal("HAUTE", repo.LastCreateCommand!.PrioriteKey);
        Assert.Equal(new DateTime(2026, 1, 15), repo.LastCreateCommand!.DatePrevueDebut);
        Assert.Equal(new DateTime(2026, 1, 20), repo.LastCreateCommand!.DatePrevueFin);
    }

    [Fact]
    public async Task CreateAsync_ResultMappedToDetails()
    {
        var repo = new FakeInterventionRepository
        {
            CreateResult = new Intervention { Titre = "Nouveau", Reference = "INT-001" }
        };
        var service = new InterventionService(repo, IdentityResolver);

        InterventionDetailsDto result = await service.CreateAsync(new CreateInterventionRequest { Titre = "Nouveau" });

        Assert.Equal("Nouveau", result.Titre);
        Assert.Equal("INT-001", result.Reference);
    }

    [Fact]
    public async Task CreateAsync_CancellationTokenTransmitted()
    {
        var repo = new FakeInterventionRepository
        {
            CreateResult = new Intervention { Titre = "Nouveau" }
        };
        var service = new InterventionService(repo, IdentityResolver);
        using var cts = new CancellationTokenSource();

        await service.CreateAsync(new CreateInterventionRequest { Titre = "Nouveau" }, cts.Token);

        Assert.Equal(cts.Token, repo.LastCreateCancellationToken);
    }

    [Fact]
    public async Task CreateAsync_ExceptionPropagated()
    {
        var repo = new FakeInterventionRepository
        {
            ThrowOnCreate = new InvalidOperationException("Panne")
        };
        var service = new InterventionService(repo, IdentityResolver);

        var ex = await Assert.ThrowsAsync<InvalidOperationException>(
            () => service.CreateAsync(new CreateInterventionRequest { Titre = "Nouveau" }));

        Assert.Equal("Panne", ex.Message);
    }

    // =========================================================================
    // UPDATE
    // =========================================================================

    [Fact]
    public async Task UpdateAsync_MapsAllProperties()
    {
        var repo = new FakeInterventionRepository
        {
            UpdateResult = new Intervention { Titre = "Updated", Reference = "INT-002" }
        };
        var service = new InterventionService(repo, IdentityResolver);

        await service.UpdateAsync("42", new UpdateInterventionRequest
        {
            Reference = "INT-002",
            Titre = "Updated",
            Type = new ReferenceValueDto { Key = "MAINT" },
            Etat = new ReferenceValueDto { Key = "ENCOURS" },
            Priorite = new ReferenceValueDto { Key = "HAUTE" }
        });

        Assert.Equal(1, repo.UpdateCallCount);
        Assert.Equal("42", repo.LastUpdateId);
        Assert.Equal("INT-002", repo.LastUpdateCommand!.Reference);
        Assert.Equal("Updated", repo.LastUpdateCommand!.Titre);
        Assert.Equal("MAINT", repo.LastUpdateCommand!.TypeKey);
        Assert.Equal("ENCOURS", repo.LastUpdateCommand!.EtatKey);
        Assert.Equal("HAUTE", repo.LastUpdateCommand!.PrioriteKey);
    }

    [Fact]
    public async Task UpdateAsync_NullsPreserved()
    {
        var repo = new FakeInterventionRepository { UpdateResult = new Intervention { Titre = "X" } };
        var service = new InterventionService(repo, IdentityResolver);

        await service.UpdateAsync("42", new UpdateInterventionRequest());

        Assert.Null(repo.LastUpdateCommand!.TypeKey);
        Assert.Null(repo.LastUpdateCommand!.EtatKey);
        Assert.Null(repo.LastUpdateCommand!.PrioriteKey);
    }

    [Fact]
    public async Task UpdateAsync_RepoReturnsNull_ReturnsNull()
    {
        var repo = new FakeInterventionRepository { UpdateResult = null };
        var service = new InterventionService(repo, IdentityResolver);

        InterventionDetailsDto? result = await service.UpdateAsync("42", new UpdateInterventionRequest());

        Assert.Null(result);
    }

    [Fact]
    public async Task UpdateAsync_IdTransmittedExactly()
    {
        var repo = new FakeInterventionRepository
        {
            UpdateResult = new Intervention { Titre = "XY" }
        };
        var service = new InterventionService(repo, IdentityResolver);

        await service.UpdateAsync("my-guid-123", new UpdateInterventionRequest());

        Assert.Equal("my-guid-123", repo.LastUpdateId);
    }

    [Fact]
    public async Task UpdateAsync_CancellationTokenTransmitted()
    {
        var repo = new FakeInterventionRepository { UpdateResult = new Intervention { Titre = "X" } };
        var service = new InterventionService(repo, IdentityResolver);
        using var cts = new CancellationTokenSource();

        await service.UpdateAsync("42", new UpdateInterventionRequest(), cts.Token);

        Assert.Equal(cts.Token, repo.LastUpdateCancellationToken);
    }

    [Fact]
    public async Task UpdateAsync_ExceptionPropagated()
    {
        var repo = new FakeInterventionRepository
        {
            ThrowOnUpdate = new InvalidOperationException("Panne")
        };
        var service = new InterventionService(repo, IdentityResolver);

        var ex = await Assert.ThrowsAsync<InvalidOperationException>(
            () => service.UpdateAsync("42", new UpdateInterventionRequest()));

        Assert.Equal("Panne", ex.Message);
    }

    // =========================================================================
    // ARCHIVE
    // =========================================================================

    [Fact]
    public async Task ArchiveAsync_TruePropagated()
    {
        var repo = new FakeInterventionRepository { ArchiveResult = true };
        var service = new InterventionService(repo, IdentityResolver);

        bool result = await service.ArchiveAsync("42");

        Assert.True(result);
        Assert.Equal(1, repo.ArchiveCallCount);
    }

    [Fact]
    public async Task ArchiveAsync_FalsePropagated()
    {
        var repo = new FakeInterventionRepository { ArchiveResult = false };
        var service = new InterventionService(repo, IdentityResolver);

        bool result = await service.ArchiveAsync("42");

        Assert.False(result);
    }

    [Fact]
    public async Task ArchiveAsync_IdTransmittedExactly()
    {
        var repo = new FakeInterventionRepository { ArchiveResult = true };
        var service = new InterventionService(repo, IdentityResolver);

        await service.ArchiveAsync("my-guid-123");

        Assert.Equal("my-guid-123", repo.LastArchiveId);
    }

    [Fact]
    public async Task ArchiveAsync_CancellationTokenTransmitted()
    {
        var repo = new FakeInterventionRepository { ArchiveResult = true };
        var service = new InterventionService(repo, IdentityResolver);
        using var cts = new CancellationTokenSource();

        await service.ArchiveAsync("42", cts.Token);

        Assert.Equal(cts.Token, repo.LastArchiveCancellationToken);
    }

    [Fact]
    public async Task ArchiveAsync_ExceptionPropagated()
    {
        var repo = new FakeInterventionRepository
        {
            ThrowOnArchive = new InvalidOperationException("Panne")
        };
        var service = new InterventionService(repo, IdentityResolver);

        var ex = await Assert.ThrowsAsync<InvalidOperationException>(
            () => service.ArchiveAsync("42"));

        Assert.Equal("Panne", ex.Message);
    }

    // =========================================================================
    // ARCHITECTURE
    // =========================================================================

    [Fact]
    public void Service_ImplementsIInterventionService()
    {
        Assert.True(typeof(IInterventionService).IsAssignableFrom(typeof(InterventionService)));
    }

    [Fact]
    public void Service_DependsOnIInterventionRepository()
    {
        var type = typeof(InterventionService);
        bool hasRepoParam = type.GetConstructors()
            .Any(c => c.GetParameters()
                .Any(p => p.ParameterType == typeof(IInterventionRepository)));

        Assert.True(hasRepoParam, "InterventionService doit dépendre de IInterventionRepository.");
    }

    [Fact]
    public void Service_HasNoOmikaDataReferences()
    {
        var type = typeof(InterventionService);
        var refs = GetReferencedTypes(type);

        Assert.DoesNotContain(refs, t =>
            t.Namespace is not null && t.Namespace.StartsWith("Omika.Data"));
    }

    [Fact]
    public void Service_HasNoBatikReferences()
    {
        var type = typeof(InterventionService);
        var refs = GetReferencedTypes(type);

        Assert.DoesNotContain(refs, t =>
            t.Name.Contains("Batik", StringComparison.OrdinalIgnoreCase));
    }

    [Fact]
    public void Service_HasNoHfsqlReferences()
    {
        var type = typeof(InterventionService);
        var refs = GetReferencedTypes(type);

        Assert.DoesNotContain(refs, t =>
            t.Name.Contains("Row", StringComparison.OrdinalIgnoreCase)
            && t.Namespace is not null
            && (t.Namespace.Contains("HfSql", StringComparison.OrdinalIgnoreCase)
                || t.Namespace.Contains("Models.Omika", StringComparison.OrdinalIgnoreCase)));
    }

    [Fact]
    public void Service_HasNoSqlStatements()
    {
        string source = ReadSourceFile(typeof(InterventionService));

        Assert.DoesNotContain("SELECT ", source, StringComparison.OrdinalIgnoreCase);
        Assert.DoesNotContain("FROM ", source, StringComparison.OrdinalIgnoreCase);
    }

    [Fact]
    public void Service_HasNoApplicationRuntimeContext()
    {
        var type = typeof(InterventionService);
        var refs = GetReferencedTypes(type);

        Assert.DoesNotContain(refs, t =>
            t.Name.Contains("ApplicationRuntimeContext", StringComparison.OrdinalIgnoreCase));
    }

    [Fact]
    public void Service_HasNoDatabaseSchemaVersion()
    {
        var type = typeof(InterventionService);
        var refs = GetReferencedTypes(type);

        Assert.DoesNotContain(refs, t =>
            t.Name.Contains("DatabaseSchemaVersion", StringComparison.OrdinalIgnoreCase));
    }

    [Fact]
    public void Service_HasNoOdbcReferences()
    {
        var type = typeof(InterventionService);
        var refs = GetReferencedTypes(type);

        Assert.DoesNotContain(refs, t =>
            t.Namespace is not null && t.Namespace.StartsWith("System.Data.Odbc", StringComparison.Ordinal));
    }

    // =========================================================================
    // HELPERS
    // =========================================================================

    private static IEnumerable<Type> GetReferencedTypes(Type type)
    {
        var members = type.GetMembers(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static)
            .Select(m => m.DeclaringType)
            .Where(t => t is not null)
            .Cast<Type>();

        var parameters = type.GetMethods(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
            .SelectMany(m => m.GetParameters())
            .Select(p => p.ParameterType);

        var returnTypes = type.GetMethods(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
            .Select(m => m.ReturnType);

        var properties = type.GetProperties(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
            .Select(p => p.PropertyType);

        var ctorParams = type.GetConstructors()
            .SelectMany(c => c.GetParameters())
            .Select(p => p.ParameterType);

        return members.Concat(parameters).Concat(returnTypes).Concat(properties).Concat(ctorParams);
    }

    private static string ReadSourceFile(Type type)
    {
        string baseDir = AppDomain.CurrentDomain.BaseDirectory;
        var dir = new DirectoryInfo(baseDir);
        while (dir != null && !File.Exists(Path.Combine(dir.FullName, "Omika.slnx")))
            dir = dir.Parent;

        string root = dir?.FullName ?? baseDir;
        return File.ReadAllText(Path.Combine(root, "src", "Omika.Core", "Services", type.Name + ".cs"));
    }

    // =========================================================================
    // FAKE REPOSITORY
    // =========================================================================

    private sealed class FakeInterventionRepository : IInterventionRepository
    {
        public int SearchCallCount { get; private set; }
        public int DetailsCallCount { get; private set; }
        public int UpdateCallCount { get; private set; }
        public int ArchiveCallCount { get; private set; }
        public int CreateCallCount { get; private set; }
        public InterventionSearchCriteria? LastSearchCriteria { get; private set; }
        public string? LastDetailsId { get; private set; }
        public string? LastUpdateId { get; private set; }
        public string? LastArchiveId { get; private set; }
        public InterventionUpdateCommand? LastUpdateCommand { get; private set; }
        public InterventionCreateCommand? LastCreateCommand { get; private set; }
        public CancellationToken LastUpdateCancellationToken { get; private set; }
        public CancellationToken LastArchiveCancellationToken { get; private set; }
        public CancellationToken LastCreateCancellationToken { get; private set; }
        public CancellationToken LastCancellationToken { get; private set; }
        public PagedResult<Intervention>? SearchResult { get; set; }
        public Intervention? DetailsResult { get; set; }
        public Intervention? UpdateResult { get; set; }
        public Intervention? CreateResult { get; set; }
        public bool ArchiveResult { get; set; }
        public Exception? ThrowOnSearch { get; set; }
        public Exception? ThrowOnDetails { get; set; }
        public Exception? ThrowOnUpdate { get; set; }
        public Exception? ThrowOnArchive { get; set; }
        public Exception? ThrowOnCreate { get; set; }

        public Task<Intervention> CreateAsync(
            InterventionCreateCommand command,
            CancellationToken cancellationToken = default)
        {
            CreateCallCount++;
            LastCreateCommand = command;
            LastCreateCancellationToken = cancellationToken;

            if (ThrowOnCreate is not null)
                throw ThrowOnCreate;

            return Task.FromResult(CreateResult ?? new Intervention { Titre = command.Titre });
        }

        public Task<PagedResult<Intervention>> SearchAsync(
            InterventionSearchCriteria criteria,
            CancellationToken cancellationToken = default)
        {
            SearchCallCount++;
            LastSearchCriteria = criteria;
            LastCancellationToken = cancellationToken;

            if (ThrowOnSearch is not null)
                throw ThrowOnSearch;

            return Task.FromResult(SearchResult
                ?? new PagedResult<Intervention>([], 1, 20, 0, 0));
        }

        public Task<PagedResult<Intervention>> SearchDetailsAsync(
            InterventionSearchCriteria criteria,
            CancellationToken cancellationToken = default)
        {
            SearchCallCount++;
            LastSearchCriteria = criteria;
            LastCancellationToken = cancellationToken;

            if (ThrowOnSearch is not null)
                throw ThrowOnSearch;

            return Task.FromResult(SearchResult
                ?? new PagedResult<Intervention>([], 1, 20, 0, 0));
        }

        public Task<Intervention?> GetDetailsAsync(
            string id,
            CancellationToken cancellationToken = default)
        {
            DetailsCallCount++;
            LastDetailsId = id;
            LastCancellationToken = cancellationToken;

            if (ThrowOnDetails is not null)
                throw ThrowOnDetails;

            return Task.FromResult(DetailsResult);
        }


        public Task<Intervention?> UpdateAsync(
            string id, InterventionUpdateCommand command,
            CancellationToken cancellationToken = default)
        {
            UpdateCallCount++;
            LastUpdateId = id;
            LastUpdateCommand = command;
            LastUpdateCancellationToken = cancellationToken;

            if (ThrowOnUpdate is not null)
                throw ThrowOnUpdate;

            return Task.FromResult(UpdateResult);
        }

        public Task<bool> ArchiveAsync(
            string id,
            CancellationToken cancellationToken = default)
        {
            ArchiveCallCount++;
            LastArchiveId = id;
            LastArchiveCancellationToken = cancellationToken;

            if (ThrowOnArchive is not null)
                throw ThrowOnArchive;

            return Task.FromResult(ArchiveResult);
        }

        public Task<IReadOnlyList<NoteInterneDto>> GetNotesAsync(
            long numericInterventionId,
            CancellationToken cancellationToken = default)
            => Task.FromResult<IReadOnlyList<NoteInterneDto>>([]);

        public Task<IReadOnlyList<NoteInterneDto>> GetNotesAdministrativesAsync(long numericInterventionId, CancellationToken cancellationToken = default)
            => Task.FromResult<IReadOnlyList<NoteInterneDto>>([]);

        public Task<IReadOnlyList<InterventionNoteBulkRow>> GetNotesForInterventionsAsync(IReadOnlyList<long> numericInterventionIds, CancellationToken cancellationToken = default)
            => Task.FromResult<IReadOnlyList<InterventionNoteBulkRow>>([]);

        public Task<IReadOnlyList<InterventionEmailBulkRow>> GetEmailsForInterventionsAsync(IReadOnlyList<long> numericInterventionIds, CancellationToken cancellationToken = default)
            => Task.FromResult<IReadOnlyList<InterventionEmailBulkRow>>([]);

        public Task<NoteInterneDto> AddNoteAsync(
            long numericInterventionId,
            string contenu,
            long creationUser,
            CancellationToken cancellationToken = default)
            => Task.FromResult(new NoteInterneDto());

        public Task<IReadOnlyList<EmailInterventionDto>> GetEmailsAsync(
            long numericInterventionId, CancellationToken cancellationToken = default)
            => Task.FromResult<IReadOnlyList<EmailInterventionDto>>([]);

        public Task<EmailInterventionDto> AddEmailAsync(
            long numericInterventionId, string objet, string message, string? adrDestinataires, string? adrCC, string? adrCCI, IReadOnlyList<string> piecesJointes, bool brouillon, long creationUser, CancellationToken cancellationToken = default)
            => Task.FromResult(new EmailInterventionDto { PiecesJointes = piecesJointes });

        public Task<long> ResolveCreationUserAsync(
            AuditActor? auteur,
            CancellationToken cancellationToken = default)
            => Task.FromResult(0L);
    }

    private sealed class FakeIdentityResolver : IMobileEntityIdentityResolver
    {
        public Guid CreateCanonicalIdentity(string entityType, PhysicalEntityIdentity physical)
            => physical.Guid ?? Guid.NewGuid();

        public PhysicalEntityIdentity? ResolvePhysicalIdentity(string entityType, Guid publicGuid)
            => new() { Guid = publicGuid };

        public bool IsCanonical(string entityType, Guid publicGuid)
            => publicGuid != Guid.Empty;
    }
}