package electrosphere.entity.state.ironsight;

import org.joml.Vector3f;

import electrosphere.engine.Globals;
import electrosphere.entity.Entity;
import electrosphere.entity.EntityDataStrings;
import electrosphere.entity.btree.BehaviorTree;
import electrosphere.entity.types.camera.CameraEntityUtils;

public class IronSightTree implements BehaviorTree {

    static enum IronSightTreeState {
        ACTIVE,
        INACTIVE,
    }

    IronSightTreeState state = IronSightTreeState.INACTIVE;
    boolean cameraZoomedIn = false;

    float regularRadius = 1.0f;
    float zoomedInRadius = 0.1f;
    Vector3f offcenterOffset = new Vector3f(-0.1f,1,0);


    public void start(){
        state = IronSightTreeState.ACTIVE;
    }

    public void release(){
        state = IronSightTreeState.INACTIVE;
    }

    @Override
    public void simulate(float deltaTime) {
        switch(state){
            case ACTIVE:
            if(!cameraZoomedIn){
                cameraZoomedIn = true;
                CameraEntityUtils.setOrbitalCameraDistance(Globals.playerCamera, zoomedInRadius);
                Globals.cameraHandler.updateRadialOffset(new Vector3f(0,1,0.5f));
                Globals.cameraHandler.updateGlobalCamera();
            }
            break;
            case INACTIVE:
            if(cameraZoomedIn){
                cameraZoomedIn = false;
                CameraEntityUtils.setOrbitalCameraDistance(Globals.playerCamera, regularRadius);
                Globals.cameraHandler.updateRadialOffset(new Vector3f(0,1,0));
                Globals.cameraHandler.updateGlobalCamera();
            }
            break;
        }
    }

    public static IronSightTree getIronSightTree(Entity creature){
        Object rVal;
        if((rVal = creature.getData(EntityDataStrings.IRON_SIGHT_TREE)) != null && rVal instanceof IronSightTree){
            return (IronSightTree) rVal;
        }
        return null;
    }

    public static void attachIronSightTree(Entity player){
        IronSightTree ironSightTree = new IronSightTree();
        player.putData(EntityDataStrings.IRON_SIGHT_TREE, ironSightTree);
        Globals.clientSceneWrapper.getScene().registerBehaviorTree(ironSightTree);
    }
    
}