namespace SessionZero.SzfLib;

[AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
public class SzfObjectAttribute : Attribute
{
    /// <summary>
    /// The unique identifier for the SzfObject type (e.g., "dataset", "character_template", "character").
    /// This is used in the `!tpye` header of the SZF file to identify the type of SzfObject.
    /// </summary>
    public required string TypeIdentifier { get; set; }
    
    public SzfObjectAttribute(string typeIdentifier)
    {
        if (string.IsNullOrWhiteSpace(typeIdentifier))
        {
            throw new ArgumentException("Type identifier cannot be null or whitespace.", nameof(typeIdentifier));
        }
        
        TypeIdentifier = typeIdentifier;
    }
}