using Omika.App.Local.Abstractions;
using Omika.App.Local.Models;
using Omika.App.Local.Services;
using Omika.Core.Contracts.Common;
using Omika.Core.Contracts.Configuration;
using Omika.Core.Contracts.Mobile.License;

namespace Omika.Tests.Mobile.Local;

/// <summary>
/// Tests du service local de référentiel ParametreMetier (TypeTemps).
/// Vérifie que <see cref="IParametreMetierLocalService.GetTypeTempsAsync"/>
/// retourne uniquement les types de temps depuis le bootstrap local, sans
/// aucun appel API, avec la clé métier canonique et le libellé métier.
/// </summary>
public sealed class ParametreMetierLocalServiceTests
{
    [Fact]
    public async Task GetTypeTempsAsync_RetourneUniquementLesTypeTemps_Batik()
    {
        // Arrange : référentiel Batik (groupe TypeTemps porté par PA_Code = "18").
        var bootstrap = new LocalBootstrapState
        {
            ParametresMetier =
            [
                new ParametreMetierDto { Id = "TRAVAIL", Code = "18", Libelle = "Travail", Ordre = 1 },
                new ParametreMetierDto { Id = "TRAJET", Code = "18", Libelle = "Trajet", Ordre = 2 },
                new ParametreMetierDto { Id = "PAUSE", Code = "18", Libelle = "Pause", Ordre = 3 },
                new ParametreMetierDto { Id = "AUTRE", Code = "99", Libelle = "Autre catégorie", Ordre = 4 }
            ]
        };
        var service = CreateService(bootstrap);

        // Act
        IReadOnlyList<ReferenceValueDto> result = await service.GetTypeTempsAsync();

        // Assert
        Assert.Equal(3, result.Count);
        Assert.All(result, r => Assert.Equal("18", r.Code));
        Assert.Equal("TRAVAIL", result[0].Key);
        Assert.Equal("Travail", result[0].Label);
        Assert.Equal("TRAJET", result[1].Key);
        Assert.Equal("Trajet", result[1].Label);
        Assert.Equal("PAUSE", result[2].Key);
        Assert.Equal("Pause", result[2].Label);
    }

    [Fact]
    public async Task GetTypeTempsAsync_RetourneUniquementLesTypeTemps_Omika()
    {
        // Arrange : référentiel Omika (groupe TypeTemps porté par PA_Categorie = "18").
        var bootstrap = new LocalBootstrapState
        {
            ParametresMetier =
            [
                new ParametreMetierDto { Id = "TT-01", Categorie = "18", Libelle = "Travail", Ordre = 1 },
                new ParametreMetierDto { Id = "TT-02", Categorie = "18", Libelle = "Trajet", Ordre = 2 },
                new ParametreMetierDto { Id = "AUTRE", Categorie = "99", Libelle = "Autre catégorie", Ordre = 3 }
            ]
        };
        var service = CreateService(bootstrap);

        // Act
        IReadOnlyList<ReferenceValueDto> result = await service.GetTypeTempsAsync();

        // Assert
        Assert.Equal(2, result.Count);
        Assert.Equal("TT-01", result[0].Key);
        Assert.Equal("Travail", result[0].Label);
        Assert.Equal("TT-02", result[1].Key);
        Assert.Equal("Trajet", result[1].Label);
    }

    [Fact]
    public async Task GetTypeTempsAsync_KeyEstLaCleMetierCanonique()
    {
        // Arrange : la clé exposée doit être la clé métier (Id), jamais un PK HFSQL.
        var bootstrap = new LocalBootstrapState
        {
            ParametresMetier =
            [
                new ParametreMetierDto { Id = "CLE_METIER_TT", Code = "18", Libelle = "Travail", Ordre = 1 }
            ]
        };
        var service = CreateService(bootstrap);

        // Act
        IReadOnlyList<ReferenceValueDto> result = await service.GetTypeTempsAsync();

        // Assert
        ReferenceValueDto option = Assert.Single(result);
        Assert.Equal("CLE_METIER_TT", option.Key);
        Assert.Equal("CLE_METIER_TT", option.Key);
    }

    [Fact]
    public async Task GetTypeTempsAsync_LabelVientDuLibelleMetier()
    {
        // Arrange : le libellé exposé doit être le libellé métier, pas le code technique.
        var bootstrap = new LocalBootstrapState
        {
            ParametresMetier =
            [
                new ParametreMetierDto { Id = "TT-01", Code = "18", Libelle = "Déplacement client", Ordre = 1 }
            ]
        };
        var service = CreateService(bootstrap);

        // Act
        IReadOnlyList<ReferenceValueDto> result = await service.GetTypeTempsAsync();

        // Assert
        ReferenceValueDto option = Assert.Single(result);
        Assert.Equal("Déplacement client", option.Label);
        Assert.NotEqual("TT-01", option.Label);
    }

    [Fact]
    public async Task GetTypeTempsAsync_SansBootstrap_RetourneListeVide()
    {
        // Arrange : aucune session / bootstrap local.
        var service = new ParametreMetierLocalService(new FakeSessionService(null));

        // Act
        IReadOnlyList<ReferenceValueDto> result = await service.GetTypeTempsAsync();

        // Assert
        Assert.Empty(result);
    }

    [Fact]
    public async Task GetTypeTempsAsync_ConserveLOrdreMetier()
    {
        // Arrange : l'ordre du bootstrap (PA_Ordre) est conservé, pas de tri par libellé.
        var bootstrap = new LocalBootstrapState
        {
            ParametresMetier =
            [
                new ParametreMetierDto { Id = "Z", Code = "18", Libelle = "Zulu", Ordre = 1 },
                new ParametreMetierDto { Id = "A", Code = "18", Libelle = "Alpha", Ordre = 2 }
            ]
        };
        var service = CreateService(bootstrap);

        // Act
        IReadOnlyList<ReferenceValueDto> result = await service.GetTypeTempsAsync();

        // Assert : l'ordre métier (Z avant A) est conservé, pas de tri alphabétique.
        Assert.Equal("Z", result[0].Key);
        Assert.Equal("A", result[1].Key);
    }

    private static ParametreMetierLocalService CreateService(LocalBootstrapState bootstrap)
        => new(new FakeSessionService(bootstrap));

    private sealed class FakeSessionService : IMobileSessionService
    {
        private readonly LocalBootstrapState? _bootstrap;

        public FakeSessionService(LocalBootstrapState? bootstrap) => _bootstrap = bootstrap;

        public Task<bool> HasValidSessionAsync(CancellationToken cancellationToken = default) => Task.FromResult(true);

        public Task<bool> HasExpiredSessionAsync(CancellationToken cancellationToken = default) => Task.FromResult(false);

        public Task<LicenseResponse> ActivateAsync(string codeClient, string numeroLicence, CancellationToken cancellationToken = default)
            => throw new NotImplementedException();

        public Task<LicenseResponse> ValidateAsync(CancellationToken cancellationToken = default)
            => throw new NotImplementedException();

        public Task<LocalBootstrapState?> GetBootstrapAsync(CancellationToken cancellationToken = default)
            => Task.FromResult(_bootstrap);

        public Task<string?> GetAccessTokenAsync(CancellationToken cancellationToken = default) => Task.FromResult<string?>(null);

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

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