using MyWarehouse.Application.Common.Dependencies.DataAccess;
using MyWarehouse.Application.Common.Exceptions;
using MyWarehouse.Domain.Transactions;

namespace MyWarehouse.Application.Transactions.GetTransactionDetails;

public record GetTransactionDetailsQuery : IRequest<TransactionDetailsDto>
{
    public int Id { get; set; }
}

public class GetTransactionDetailsQueryHandler : IRequestHandler<GetTransactionDetailsQuery, TransactionDetailsDto>
{
    private readonly IUnitOfWork _unitOfWork;
    private readonly IMapper _mapper;

    public GetTransactionDetailsQueryHandler(IUnitOfWork unitOfWork, IMapper mapper)
    {
        _unitOfWork = unitOfWork;
        _mapper = mapper;
    }

    public async Task<TransactionDetailsDto> Handle(GetTransactionDetailsQuery request, CancellationToken cancellationToken)
        => await _unitOfWork.Transactions.GetProjectedAsync<TransactionDetailsDto>(request.Id, readOnly: true)
            ?? throw new EntityNotFoundException(nameof(Transaction), request.Id);
}