using Brizco.Repository.Abstracts;

namespace Brizco.Repository.Handlers.Position;

public class UpdatePositionUserCommandHandler : IRequestHandler<UpdatePositionUserCommand,bool>
{
    private readonly IRepositoryWrapper _repositoryWrapper;

    public UpdatePositionUserCommandHandler(IRepositoryWrapper repositoryWrapper)
    {
        _repositoryWrapper = repositoryWrapper;
    }
    public async Task<bool> Handle(UpdatePositionUserCommand request, CancellationToken cancellationToken)
    {
        try
        {
            await _repositoryWrapper.BeginTransaction(cancellationToken);

            var entity = await _repositoryWrapper.SetRepository<Domain.Entities.Complex.PositionUser>().TableNoTracking
                .FirstOrDefaultAsync(p => p.ApplicationUserId == request.UserId , cancellationToken);
            if (entity == null)
                throw new AppException("PositionUser not found");
            var newEntity = PositionUser.Create(request.PositionId, request.UserId, request.ShiftPlanId);
            newEntity.Id = entity.Id;

            _repositoryWrapper.SetRepository<Domain.Entities.Complex.PositionUser>().Update(newEntity);
            await _repositoryWrapper.SaveChangesAsync(cancellationToken);
            await _repositoryWrapper.CommitAsync(cancellationToken);
            return true;
        }
        catch (Exception)
        {
            await _repositoryWrapper.RollBackAsync(cancellationToken);
            throw;
        }
    }
}