namespace Mimics.API {
  public static class MimicsAPI {
    internal static List<MimicEventHandler> mimicEventHandlers = new List<MimicEventHandler>();

    public static void RegisterMimicEventHandler(MimicEventHandler handler){
      mimicEventHandlers.Add(handler);
    }

    public static MimicEventHandler currentMimicEventHandler { get; internal set; }

    internal static void RefreshMimicEventHandler(){
      currentMimicEventHandler = null;
      foreach(var m in mimicEventHandlers){
        if (m.IsMyInteriorLoaded) {
          currentMimicEventHandler = m;
          return;
        }
      }
    }

    internal static bool IgnoreBasePlacementValidation(Doorway doorway){
      if (currentMimicEventHandler == null) return false;
      return currentMimicEventHandler.IgnoreDefaultPlacementValidation(doorway);
    }

    internal static bool IsPlacementValid(Doorway doorway){
      if (currentMimicEventHandler == null) return true;
      return currentMimicEventHandler.IsPlacementValid(doorway);
    }

  }

  public abstract class MimicEventHandler {
    public virtual bool IsMyInteriorLoaded => false;
    public virtual bool IsPlacementValid(Doorway doorway) => true;
    public virtual bool IgnoreDefaultPlacementValidation(Doorway doorway) => false;

    public virtual void OnMimicCreated(MimicDoor mimicDoor, Doorway doorway) { }
    public virtual void OnMimicAttackStart(MimicDoor mimicDoor) { }
    public virtual void OnMimicAttackEnd(MimicDoor mimicDoor) { }
  }

}