namespace MrGameEng.Mods;

/// <summary>
/// Base class of all data definitions loaded by <see cref="DefDatabase"/> from mod JSON.
/// Games subclass this per content kind (terrain, things, pawns, …) with plain
/// serializable properties.
/// </summary>
public abstract class Def
{
    /// <summary>
    /// Unique name within the def type. A later mod redefining the same name fully
    /// replaces the earlier def.
    /// </summary>
    public string DefName { get; init; } = "";

    /// <summary>
    /// Name of the def (same type) whose fields this def starts from; own fields override
    /// the inherited ones. Abstractness is not inherited.
    /// </summary>
    public string? Parent { get; init; }

    /// <summary>Abstract defs only serve as parents and are not emitted into the database.</summary>
    public bool Abstract { get; init; }

    /// <summary>Display label — plain text or a localization key, as the game decides.</summary>
    public string Label { get; init; } = "";

    /// <inheritdoc />
    public override string ToString() => $"{GetType().Name} {DefName}";
}