using Musify.Application.Tests.TestSupport;
using Musify.Application.Users;
using Xunit;

namespace Musify.Application.Tests.Users;

public sealed class GetUsersQueryHandlerTests : HandlerTestBase
{
    private GetUsersQueryHandler CreateHandler() => new(Database);

    [Fact]
    public async Task Handle_NoSearch_ReturnsEveryUser()
    {
        await SeedAsync(TestEntities.User(1, "alice"), TestEntities.User(2, "bob"));

        var result = await CreateHandler().Handle(new GetUsersQuery(PageNumber: 1, PageSize: 10, UsernameSearch: null), CancellationToken.None);

        Assert.False(result.IsError);
        Assert.Equal(2, result.Value.TotalItemCount);
    }

    [Fact]
    public async Task Handle_UsernameSearch_ReturnsOnlyMatches()
    {
        await SeedAsync(TestEntities.User(1, "alice-wonderland"), TestEntities.User(2, "bob-builder"));

        var result = await CreateHandler().Handle(new GetUsersQuery(PageNumber: 1, PageSize: 10, UsernameSearch: "alice"), CancellationToken.None);

        Assert.False(result.IsError);
        var user = Assert.Single(result.Value.Items);
        Assert.Equal(1, user.Id);
    }
}