using Avalonia;
using Avalonia.Headless;
using Omika.App.Local.Abstractions;
using Omika.App.Local.Models;
using Omika.App.Navigation;
using Omika.App.Services;
using Omika.App.ViewModels;
using Omika.App.Views;
using Omika.Core.Contracts.Common;
using Omika.Core.Contracts.Mobile.Interventions;
using Omika.Core.Contracts.Mobile.Sync;
using Omika.Tests.Mobile;

namespace Omika.Tests.Mobile.Local;

/// <summary>
/// Tests de construction de la vue Interventions (régression runtime du
/// micro-lot 36 : la page doit pouvoir être construite avec zéro donnée,
/// sans exception d'InitializeComponent ni de binding).
/// </summary>
/// <remarks>
/// La construction d'une vue Avalonia exige les services de plateforme : les
/// tests s'exécutent donc DANS une session Avalonia headless (sinon ils échouent
/// sur « Unable to locate Avalonia.Platform.IPlatformRenderInterface »), et la
/// classe rejoint la collection « ApplicationRuntimeContext » pour ne jamais
/// s'exécuter en parallèle d'une autre session headless.
/// </remarks>
[Collection("ApplicationRuntimeContext")]
public class InterventionsViewConstructionTests : IDisposable
{
    private readonly HeadlessUnitTestSession _session =
        HeadlessUnitTestSession.StartNew(typeof(LayoutTestAppBuilder));

    public void Dispose() => _session.Dispose();

    [Fact]
    public void InterventionsView_Constructible_SansException()
    {
        // Dispatch générique : cette surcharge ATTEND la fin de l'action, ce qui
        // n'est pas le cas de Dispatch(Action) — les assertions seraient alors
        // évaluées hors du test.
        _session.Dispatch(
            () =>
            {
                var view = new InterventionsView();

                Assert.NotNull(view);
                Assert.NotNull(view.Content);
                return true;
            },
            CancellationToken.None).GetAwaiter().GetResult();
    }

    [Fact]
    public void InterventionsView_AvecViewModelVide_AucuneException()
    {
        _session.Dispatch(
            () =>
            {
                var viewModel = new InterventionsViewModel(
                    new FakeInterventionService(),
                    new FakeParametreMetierService(),
                    new NavigationService(),
                    new PermissionService(),
                    Omika.Core.Observability.NullTelemetryService.Instance);

                var view = new InterventionsView { DataContext = viewModel };

                Assert.NotNull(view.Content);
                return true;
            },
            CancellationToken.None).GetAwaiter().GetResult();
    }

    private sealed class FakeInterventionService : IInterventionLocalService
    {
        public Task<IReadOnlyList<InterventionListItem>> GetInterventionsAsync(CancellationToken cancellationToken = default)
            => Task.FromResult<IReadOnlyList<InterventionListItem>>([]);

        public Task<InterventionDetail?> GetInterventionByIdAsync(Guid interventionGuid, CancellationToken cancellationToken = default)
            => Task.FromResult<InterventionDetail?>(null);

        public Task<Guid> CreateAsync(InterventionSyncPayload payload, CancellationToken cancellationToken = default)
            => throw new NotSupportedException();

        public Task<Guid> UpdateAsync(Guid interventionGuid, InterventionSyncPayload payload, CancellationToken cancellationToken = default)
            => throw new NotSupportedException();

        public Task<Guid> ArchiveAsync(Guid interventionGuid, CancellationToken cancellationToken = default)
            => throw new NotSupportedException();

        public Task<IReadOnlyList<InterventionCardItem>> SearchAsync(MobileInterventionSearchRequest request, CancellationToken cancellationToken = default)
            => Task.FromResult<IReadOnlyList<InterventionCardItem>>([]);

        public Task<IReadOnlyList<InterventionCardItem>> GetLastSearchAsync(CancellationToken cancellationToken = default)
            => Task.FromResult<IReadOnlyList<InterventionCardItem>>([]);

        public Task<IReadOnlyList<InterventionCardItem>> GetPinnedAsync(CancellationToken cancellationToken = default)
            => Task.FromResult<IReadOnlyList<InterventionCardItem>>([]);

        public Task SetPinnedAsync(Guid interventionGuid, bool isPinned, CancellationToken cancellationToken = default)
            => Task.CompletedTask;

        public Task RefreshPinnedAsync(CancellationToken cancellationToken = default)
            => Task.CompletedTask;

        public Task RefreshInterventionAsync(Guid interventionGuid, CancellationToken cancellationToken = default)
            => Task.CompletedTask;
    }

    private sealed class FakeParametreMetierService : IParametreMetierLocalService
    {
        public Task<IReadOnlyList<ReferenceValueDto>> GetTypeTempsAsync(CancellationToken ct = default)
            => Task.FromResult<IReadOnlyList<ReferenceValueDto>>([]);

        public Task<Omika.Core.Contracts.Configuration.TypeTempsParametresDto?> GetTypeTempsParametresAsync(string typeTempsKey, CancellationToken ct = default)
            => Task.FromResult<Omika.Core.Contracts.Configuration.TypeTempsParametresDto?>(null);

        public Task<Omika.Core.Contracts.Configuration.TypeRdvParametresDto?> GetTypeRdvParametresAsync(string typeRdvKey, CancellationToken ct = default)
            => Task.FromResult<Omika.Core.Contracts.Configuration.TypeRdvParametresDto?>(null);

        public Task<Omika.Core.Contracts.Configuration.StatutRdvParametresDto?> GetStatutRdvParametresAsync(string statutRdvKey, CancellationToken ct = default)
            => Task.FromResult<Omika.Core.Contracts.Configuration.StatutRdvParametresDto?>(null);

        public Task<IReadOnlyList<ReferenceValueDto>> GetInterventionTypesAsync(CancellationToken ct = default)
            => Task.FromResult<IReadOnlyList<ReferenceValueDto>>([]);

        public Task<IReadOnlyList<ReferenceValueDto>> GetInterventionEtatsAsync(CancellationToken ct = default)
            => Task.FromResult<IReadOnlyList<ReferenceValueDto>>([]);

        public Task<IReadOnlyList<ReferenceValueDto>> GetDossierTypesAsync(CancellationToken ct = default)
            => Task.FromResult<IReadOnlyList<ReferenceValueDto>>([]);

        public Task<IReadOnlyList<ReferenceValueDto>> GetDossierStatutsAsync(CancellationToken ct = default)
            => Task.FromResult<IReadOnlyList<ReferenceValueDto>>([]);

        public Task<IReadOnlyList<ReferenceValueDto>> GetClientTypesAsync(CancellationToken ct = default)
            => Task.FromResult<IReadOnlyList<ReferenceValueDto>>([]);

        public Task<IReadOnlyList<ReferenceValueDto>> GetClientStatutsAsync(CancellationToken ct = default)
            => Task.FromResult<IReadOnlyList<ReferenceValueDto>>([]);

        public Task<IReadOnlyList<ReferenceValueDto>> GetSiteTypesAsync(CancellationToken ct = default)
            => Task.FromResult<IReadOnlyList<ReferenceValueDto>>([]);

        public Task<IReadOnlyList<ReferenceValueDto>> GetTypeSignatairesAsync(CancellationToken cancellationToken = default)
            => Task.FromResult<IReadOnlyList<ReferenceValueDto>>([]);
    }

    private sealed class FakeClientService : IClientLocalService
    {
        public Task<IReadOnlyList<ClientListItem>> GetClientsAsync(CancellationToken cancellationToken = default)
            => Task.FromResult<IReadOnlyList<ClientListItem>>([]);

        public Task<ClientDetail?> GetClientByIdAsync(Guid clientGuid, CancellationToken cancellationToken = default)
            => Task.FromResult<ClientDetail?>(null);
    }

    private sealed class FakeSiteService : ISiteLocalService
    {
        public Task<IReadOnlyList<SiteListItem>> GetSitesAsync(CancellationToken cancellationToken = default)
            => Task.FromResult<IReadOnlyList<SiteListItem>>([]);

        public Task<SiteDetail?> GetSiteByIdAsync(Guid siteGuid, CancellationToken cancellationToken = default)
            => Task.FromResult<SiteDetail?>(null);
    }

    private sealed class FakeCollaborateurService : ICollaborateurLocalService
    {
        public Task<IReadOnlyList<CollaborateurListItem>> GetCollaborateursAsync(CancellationToken cancellationToken = default)
            => Task.FromResult<IReadOnlyList<CollaborateurListItem>>([]);

        public Task<CollaborateurDetail?> GetCollaborateurByIdAsync(Guid collaborateurGuid, CancellationToken cancellationToken = default)
            => Task.FromResult<CollaborateurDetail?>(null);
    }
}