using CMSMicroservice.Protobuf.Protos.DiscountShoppingCart;

namespace BackOffice.BFF.Application.DiscountShoppingCartCQ.Commands.UpdateCartItemCount;

public class UpdateCartItemCountCommandHandler : IRequestHandler<UpdateCartItemCountCommand>
{
    private readonly IApplicationContractContext _context;

    public UpdateCartItemCountCommandHandler(IApplicationContractContext context)
    {
        _context = context;
    }

    public async Task<Unit> Handle(UpdateCartItemCountCommand request, CancellationToken cancellationToken)
    {
        await _context.DiscountShoppingCarts.UpdateCartItemCountAsync(
            new UpdateCartItemCountRequest
            {
                UserId = request.UserId,
                ProductId = request.ProductId,
                NewCount = request.NewCount
            },
            cancellationToken: cancellationToken);
        
        return Unit.Value;
    }
}