using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class CollisionDetection : MonoBehaviour
{
    public string particle;
    private Atom atomScript;
    public GameObject sphere;
    public float speed;
    private Rigidbody sphereRb;
    private bool hasCollided = true;
    private Vector3 chasingPosition;

    void Start()
    {
        sphereRb = GetComponent<Rigidbody>();
    }

    void Update()
    {
        if (hasCollided)
        {
            float step = speed * Time.deltaTime; // calculate distance to move
            transform.position = Vector3.MoveTowards(transform.position, chasingPosition, step);

            // Check if we have reached the target position
            if (transform.position == chasingPosition)
            {
                Debug.Log("Position reached. Position: " + transform.position + " -- CP: "+ chasingPosition);
                Destroy(gameObject);
                atomScript.AddParticel(particle);
            }
        }
    }


    private void OnCollisionEnter(Collision collision)
    {
        if (collision.gameObject.CompareTag("Cube"))
        {
            Debug.Log("Collision detected with cube!");
            Debug.Log("Particle: " + particle);

            hasCollided = true;

            atomScript = GameObject.Find("Atom").GetComponent<Atom>();

            if (particle == "electron")
                chasingPosition = atomScript.getShellPosition();
            else
                chasingPosition = atomScript.getNucleusPosition();

            Debug.Log("Chasing position: " + chasingPosition);

            Destroy(sphereRb);

            Collider[] colliders = GetComponents<Collider>();
            foreach (Collider collider in colliders)
            {
                Destroy(collider);
            }
        }

        if (collision.gameObject.CompareTag("Ground"))
        {
            Destroy(sphere);
        }
    }
}