using Optional;

namespace OO2;

public enum OfferingType
{
    Course,
    Ebook,
    Book,
    Template,
    OfflineCourse,
}

public abstract class Product(int id, OfferingType type)
{
    
}

public class DownloadableProduct(int id, OfferingType type) : Product(id, type)
{
    public Option<string> GetDefaultDownloadFileName()
    {
        return Option.Some("Some Value");
    }

    public Option<string> GetDownloadUrl()
    {
        return Option.Some("Some Value");
    }
}

public sealed class ProductHandler()
{
    public void DoStuff(DownloadableProduct product)
    {
        var fileName = product.GetDefaultDownloadFileName();
        var downloadUrl = product.GetDownloadUrl();
    }
}