using BuildFlow.Platform.Application.Auth.Handlers;
using BuildFlow.Platform.Application.Auth.Queries;
using File.Application.Features.Files.DTOs;
using File.Application.Features.Files.Queries;
using MediatR;
using NSubstitute;
using Xunit;

namespace BuildFlow.Platform.Tests.Auth;

/// <summary>
/// 当前用户查询测试。头像引用必须通过 File Application 批量路径查询解析。
/// </summary>
public class GetCurrentUserQueryHandlerTests
{
    [Fact]
    public async Task Handle_ShouldResolveAvatarThroughFileQueryOnce()
    {
        await using var db = PlatformTestDb.CreateDbContext();
        var userId = Guid.NewGuid();
        var user = await PlatformTestDb.SeedUserAsync(db, userId, "alice");
        user.Avatar = "avatars/alice.png";
        await db.SaveChangesAsync();
        var mediator = Substitute.For<IMediator>();
        mediator.Send(Arg.Any<ResolveFilePreviewPathsQuery>(), Arg.Any<CancellationToken>())
            .Returns(Task.FromResult<IReadOnlyList<FilePreviewPathDto>>(
            [
                new("avatars/alice.png", "/api/files/preview?objectKey=avatars%2Falice.png")
            ]));
        var handler = new GetCurrentUserQueryHandler(db, mediator);

        var result = await handler.Handle(new GetCurrentUserQuery(userId.ToString()), CancellationToken.None);

        Assert.Equal("/api/files/preview?objectKey=avatars%2Falice.png", result.Avatar);
        await mediator.Received(1).Send(
            Arg.Is<ResolveFilePreviewPathsQuery>(query =>
                query.References.SequenceEqual(new string?[] { "avatars/alice.png" })),
            Arg.Any<CancellationToken>());
    }
}