using Hutopy.Application.AzureBlobStorage.Constants;
using Hutopy.Infrastructure.AzureBlob;
using Hutopy.Web.Features.Contents.Data;

namespace Hutopy.Web.Features.Contents.Handlers;

[PublicAPI]
public record ChangeBannerRequest(
    Guid CreatorId,
    IFormFile File);

[PublicAPI]
public record ChangeBannerResponse(
    string BlobUrl);

[PublicAPI]
public class ChangeBannerHandler(
    ContentDbContext context,
    AzureBlobStorage blobStorage)
    : Endpoint<ChangeBannerRequest, ChangeBannerResponse>
{
    public override void Configure()
    {
        Post("/api/creators/{CreatorId}/banner");
        Options(o => o.WithTags("Creators"));
        AllowFileUploads();
    }

    public override async Task HandleAsync(
        ChangeBannerRequest request,
        CancellationToken ct)
    {
        var creator = await context
            .Creators
            .Include(c => c.Images)
            .SingleOrDefaultAsync(
                c => c.Id == request.CreatorId,
                cancellationToken: ct);

        if (creator is null)
        {
            await SendNotFoundAsync(ct);
            return;
        }

        var blobUrl = await blobStorage.UploadFileAsync(
            ContainerNames.Creators,
            $"{request.CreatorId}/{SubDirectoryNames.Profile}/{CommonFileNames.BannerPicture}",
            request.File.OpenReadStream(),
            request.File.ContentType,
            ct);

        creator.Images.Banner = blobUrl;

        await context.SaveChangesAsync(ct);

        await SendOkAsync(
            new ChangeBannerResponse(blobUrl),
            ct);
    }
}