using LiteCharms.Infrastructure.Database;

namespace LiteCharms.Features.Orders.Commands.Handlers;

public class CreateOrderCommandHandler(IDbContextFactory<LeadGeneratorDbContext> contextFactory) : IRequestHandler<CreateOrderCommand, Result<Guid>>
{
    public async ValueTask<Result<Guid>> Handle(CreateOrderCommand request, CancellationToken cancellationToken)
    {
		try
		{
            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var newOrder = context.Orders.Add(new Entities.Order
            {
                CustomerId = request.CustomerId,
                ProductPriceId = request.ProductPriceId,
                CreatedAt = DateTime.UtcNow
            });

            return await context.SaveChangesAsync(cancellationToken) > 0
                ? Result.Ok(newOrder.Entity.Id)
                : Result.Fail<Guid>(new Error($"Failed to create customer {request.CustomerId} order using product price {request.ProductPriceId}."));
        }
		catch (Exception ex)
		{
            return Result.Fail<Guid>(new Error(ex.Message).CausedBy(ex));
        }
    }
}