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public abstract class TmdbEntity : IEquatable<TmdbEntity>
{
	protected TmdbEntity(IDictionary<string, object> json)
	{
		Json = json ?? throw new ArgumentNullException(nameof(json));
	}
		
	public IDictionary<string, object> Json { get; protected set; }

		
	protected T GetField<T>(string name,T @default=default(T))
	{
		object o;
		if (Json.TryGetValue(name, out o) && o is T)
			return (T)o;
		return @default;
	}
	// objects are considered equal if they
	// point to the same actual json reference
	public bool Equals(TmdbEntity rhs)
	{
		if (ReferenceEquals(this, rhs))
			return true;
		if (ReferenceEquals(rhs, null))
			return false;
		return ReferenceEquals(Json, rhs.Json);
	}
	public override bool Equals(object obj)
	{
		return Equals(obj as TmdbEntity);
	}
	public static bool operator==(TmdbEntity lhs, TmdbEntity rhs)
	{
		return lhs.Equals(rhs);
	}
	public static bool operator!=(TmdbEntity lhs, TmdbEntity rhs)
	{
		return !lhs.Equals(rhs);
	}
	public override int GetHashCode()
	{
		// we need the actual base hashcode, not the one
		// computed by the JsonObject.
		var jo = Json as JsonObject; // should always be but it doesn't *have* to be
		if(null!=jo)
		{
			jo.BaseDictionary.GetHashCode();
		}
		return Json.GetHashCode();
	}
}

public class TmdbLanguage : TmdbEntity
{
	public TmdbLanguage(IDictionary<string,object> json) : base(json)
	{
	}
	public string Name => GetField<string>("name");
	public string EnglishName => GetField<string>("english_name");
	public string Iso => GetField<string>("iso_639_1");

}