using CMSMicroservice.Protobuf.Protos.DiscountShoppingCart;

namespace FrontOffice.BFF.Application.DiscountShopCQ.Commands.RemoveFromDiscountCart;

public class RemoveFromDiscountCartCommandHandler : IRequestHandler<RemoveFromDiscountCartCommand, RemoveFromDiscountCartResponseDto>
{
    private readonly IApplicationContractContext _context;
    private readonly ICurrentUserService _currentUserService;

    public RemoveFromDiscountCartCommandHandler(IApplicationContractContext context, ICurrentUserService currentUserService)
    {
        _context = context;
        _currentUserService = currentUserService;
    }

    public async Task<RemoveFromDiscountCartResponseDto> Handle(RemoveFromDiscountCartCommand request, CancellationToken cancellationToken)
    {
        var userId = _currentUserService.UserId ?? throw new UnauthorizedAccessException("User not authenticated");

        var response = await _context.DiscountCart.RemoveFromCartAsync(new RemoveFromCartRequest
        {
            UserId = userId,
            ProductId = request.ProductId
        }, cancellationToken: cancellationToken);

        return new RemoveFromDiscountCartResponseDto
        {
            Success = response.Success,
            Message = response.Message
        };
    }
}