using Socialize.Infrastructure.BlobStorage.Contracts;
using Socialize.Infrastructure.Security;
using Socialize.Modules.Clients.Data;

namespace Socialize.Modules.Clients.Handlers;

public record ChangeClientPortraitRequest(
    IFormFile File);

public record ChangeClientPortraitResponse(
    string BlobUrl);

public sealed class ChangeClientPortraitRequestValidator : Validator<ChangeClientPortraitRequest>
{
    public ChangeClientPortraitRequestValidator()
    {
        RuleFor(x => x.File)
            .NotNull()
            .NotEmpty();
    }
}

public class ChangeClientPortraitHandler(
    AppDbContext clientsDbContext,
    IBlobStorage blobStorage,
    AccessScopeService accessScopeService)
    : Endpoint<ChangeClientPortraitRequest, ChangeClientPortraitResponse>
{
    public override void Configure()
    {
        Post("/api/clients/{id}/portrait");
        Options(o => o.WithTags("Clients"));
        AllowFileUploads();
    }

    public override async Task HandleAsync(ChangeClientPortraitRequest request, CancellationToken ct)
    {
        Guid id = Route<Guid>("id");

        Client? client = await clientsDbContext.Clients.SingleOrDefaultAsync(candidate => candidate.Id == id, ct);
        if (client is null)
        {
            await SendNotFoundAsync(ct);
            return;
        }

        if (!accessScopeService.CanManageWorkspace(User, client.WorkspaceId))
        {
            await SendForbiddenAsync(ct);
            return;
        }

        string blobUrl = await blobStorage.UploadFileAsync(
            ContainerNames.Clients,
            $"{client.Id}/{SubDirectoryNames.Profile}/{CommonFileNames.LogoPicture}",
            request.File.OpenReadStream(),
            request.File.ContentType,
            ct);

        client.PortraitUrl = blobUrl;
        await clientsDbContext.SaveChangesAsync(ct);

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