using NetinaShop.Domain.Entities.Warehouses;

namespace NetinaShop.Core.EntityServices.OrderBagHandlers;

public class SubmitOrderDeliveryCommandHandler : IRequestHandler<SubmitOrderDeliveryCommand, OrderSDto>
{
    private readonly IMediator _mediator;
    private readonly IRepositoryWrapper _repositoryWrapper;

    public SubmitOrderDeliveryCommandHandler(IMediator mediator, IRepositoryWrapper repositoryWrapper)
    {
        _mediator = mediator;
        _repositoryWrapper = repositoryWrapper;
    }
    public async Task<OrderSDto> Handle(SubmitOrderDeliveryCommand request, CancellationToken cancellationToken)
    {
        var order = await _mediator.Send(new GetOrderQuery(request.OrderId), cancellationToken);
        var shipping = await _repositoryWrapper.SetRepository<Shipping>()
            .TableNoTracking
            .FirstOrDefaultAsync(s => s.Id == request.ShippingId, cancellationToken);
        if (shipping == null)
            throw new AppException("Shipping not found", ApiResultStatusCode.NotFound);
        if (order.OrderDeliveries.Count > 0)
        {
            foreach (var orderDelivery in order.OrderDeliveries)
            {
                var newEnt = OrderDelivery.Create(request.AddressId, shipping.DeliveryCost, request.ShippingId,
                    request.OrderId);
                newEnt.CreatedAt = orderDelivery.CreatedAt;
                newEnt.CreatedBy = orderDelivery.CreatedBy;
                newEnt.Id = orderDelivery.Id;
                _repositoryWrapper.SetRepository<OrderDelivery>()
                    .Update(newEnt);
                await _repositoryWrapper.SaveChangesAsync(cancellationToken);
            }
            order.OrderDeliveries.Clear();
        }
        else
            order.AddOrderDelivery(request.AddressId, shipping.DeliveryCost, request.ShippingId, request.OrderId);

        _repositoryWrapper.SetRepository<Order>().Update(order);
        await _repositoryWrapper.SaveChangesAsync(cancellationToken);
        var calculatedOrder = await _mediator.Send(new CalculateOrderCommand(order.Id), cancellationToken);
        return calculatedOrder.AdaptToSDto();
    }
}