using System.Collections;
using UnityEngine;

public class Ghost_Home : Ghost_behaviour
{
    public Transform inside;

    public Transform outside;

    private void OnEnable() 
    {
        StopAllCoroutines();    
    }
    
    private void OnDisable()
    {
        if(this.gameObject.activeSelf)
        {
            StartCoroutine(ExitTransition());
        }
    }

    private void OnCollisionEnter2D(Collision2D other) 
    {
        
        if(this.enabled && other.gameObject.layer == LayerMask.NameToLayer("Obstacke"))
        {
            this.ghost.movement.SetDirection(-this.ghost.movement.direction);
        }
    }


    private IEnumerator ExitTransition()
    {
        this.ghost.movement.SetDirection(Vector2.up, true);
        this.ghost.movement.rigidbody.isKinematic =true;
        this.ghost.movement.enabled = false;

        Vector3 position = this.transform.position;

        float duration = 0.5f;
        float elapsed = 0.0f;

        while( elapsed <  duration)
        {
            Vector3 newPosition = Vector3.Lerp(position, this.inside.position, elapsed / duration);
            newPosition.z =position.z;
            transform.position = newPosition;
            elapsed += Time.deltaTime;
            yield return null;

        }
        elapsed = 0.0f;

        while( elapsed <  duration)
        {
            Vector3 newPosition = Vector3.Lerp(this.inside.position,this.outside.position, elapsed / duration);
            newPosition.z =position.z;
            transform.position = newPosition;
            elapsed += Time.deltaTime;
            yield return null;

        }

        this.ghost.movement.SetDirection(new Vector2(Random.value < 0.5f  ? -1.0f : 1.0f, 0), true);
        this.ghost.movement.rigidbody.isKinematic =false;
        this.ghost.movement.enabled = true;
    }

}