namespace HrynCo.NotificationService.Services.Tests.EmailProcessing;

using HrynCo.NotificationService.DAL.Abstract.Repositories;
using HrynCo.NotificationService.Worker.Services.EmailProcessing;
using NSubstitute;

public sealed class EmailTemplateServiceTests
{
    [Fact]
    public async Task GetAsync_WhenRequestedLanguageDoesNotExist_DoesNotSilentlyFallback()
    {
        IEmailTemplateRepository repository = Substitute.For<IEmailTemplateRepository>();
        var service = new EmailTemplateService(repository);

        InvalidOperationException exception = await Assert.ThrowsAsync<InvalidOperationException>(
            () => service.GetAsync("StoreMate-Prod", "EmailVerification", "UK", CancellationToken.None));

        Assert.Contains("language='uk'", exception.Message);
        await repository.Received(1).GetAsync(
            "StoreMate-Prod",
            "EmailVerification",
            "uk",
            CancellationToken.None);
        await repository.DidNotReceive().GetAsync(
            "StoreMate-Prod",
            "EmailVerification",
            "en",
            Arg.Any<CancellationToken>());
    }
}