using LiteCqrs;
using Microsoft.EntityFrameworkCore;
using TeleWave.Application.Common.Interfaces;
using TeleWave.Application.Common.Models;

namespace TeleWave.Application.Broadcast.BumperMusic;

public sealed class ClearBumperMusicCommandHandler(
    IAppDbContext dbContext,
    IBumperTemplateStorage storage
) : ICommandHandler<ClearBumperMusicCommand, Result>
{
    public async Task<Result> Handle(
        ClearBumperMusicCommand command,
        CancellationToken cancellationToken
    )
    {
        var channel = await dbContext.Channels.FirstOrDefaultAsync(
            c => c.Id == command.ChannelId,
            cancellationToken
        );
        if (channel is null)
            return Result.Failure(ChannelErrors.NotFound);

        channel.ClearBumperMusic();
        storage.DeleteMusic(channel.Id);
        return Result.Success();
    }
}