using Application.Abstractions.Messaging;
using Application.Abstractions.YouTube;
using SharedKernel.Results;

namespace Application.Features.Admin.Channel.YouTubePubSub.Resubscribe;

internal sealed class Handler(IYouTubePubSubService pubSubService) : ICommandHandler<Command, Result>
{
    public async Task<Result> Handle(Command request, CancellationToken ct)
    {
        if (string.IsNullOrWhiteSpace(request.YouTubeChannelID))
        {
            return Result.Failure(Error.Problem("YouTubePubSub.ChannelIDRequired", "YouTube Channel ID가 필요합니다."));
        }

        var success = await pubSubService.SubscribeAsync(request.YouTubeChannelID, ct);
        if (!success)
        {
            return Result.Failure(Error.Problem("YouTubePubSub.SubscribeFailed", "구독 요청이 실패했습니다."));
        }

        return Result.Success();
    }
}