using System.Globalization;
using Omika.App.Views;
using Xunit;

namespace Omika.Tests.Mobile;

/// <summary>
/// Tests du convertisseur purement visuel d'initiales.
/// Aucune donnée métier : uniquement la dérivation d'affichage.
/// </summary>
public sealed class InitialsConverterTests
{
    [Fact]
    public void Convert_PrenomNom_RetourneInitiales()
    {
        object? result = InitialsConverter.Instance.Convert("Jean Dupont", typeof(string), null, CultureInfo.InvariantCulture);
        Assert.Equal("JD", result);
    }

    [Fact]
    public void Convert_NomUnique_RetourneDeuxLettres()
    {
        object? result = InitialsConverter.Instance.Convert("Dupont", typeof(string), null, CultureInfo.InvariantCulture);
        Assert.Equal("DU", result);
    }

    [Fact]
    public void Convert_ValeurNulle_RetourneChaineVide()
    {
        object? result = InitialsConverter.Instance.Convert(null, typeof(string), null, CultureInfo.InvariantCulture);
        Assert.Equal(string.Empty, result);
    }

    [Fact]
    public void Convert_NomCompose_GardePremiereEtDernierePartie()
    {
        object? result = InitialsConverter.Instance.Convert("Jean-Claude Van Damme", typeof(string), null, CultureInfo.InvariantCulture);
        Assert.Equal("JD", result);
    }
}