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 = false;
    private Vector3 chasingPosition;
    private GameObject rightHand;
    private ButtonManager buttonManager;

    void Start()
    {
        sphereRb = GetComponent<Rigidbody>();
        rightHand = GameObject.FindWithTag("RightHand");
        Debug.Log("RightHand = " + rightHand);
        atomScript = GameObject.Find("Atom").GetComponent<Atom>();
        buttonManager = GameObject.Find("ButtonManager").GetComponent<ButtonManager>();
    }

    void Update()
    {
        if (Input.GetKey(KeyCode.Space)) //grabbing the ball
        {
            Debug.Log("Space pressed");

            sphereRb.useGravity = false;
            Collider[] colliders = GetComponents<Collider>();
            foreach (Collider collider in colliders)
            {
                collider.enabled = false;
            }


            chasingPosition = rightHand.transform.position;
            Debug.Log("Chasing position " + chasingPosition);
            transform.position = Vector3.MoveTowards(transform.position, chasingPosition, speed * Time.deltaTime);
        }
        else if (Input.GetKeyUp(KeyCode.Space))
        {
            // sphereRb.useGravity = true;
            // Collider[] colliders = GetComponents<Collider>();
            // foreach (Collider collider in colliders)
            // {
            //     collider.enabled = true;
            // }
            hasCollided = true;
            buttonManager.setEnableSpawn(true);
        }

        if (hasCollided)
        {
            // Read the target position
            if (particle == "electron")
                chasingPosition = atomScript.getLatestElectronPosition();//.getShellPosition();
            else
                chasingPosition = atomScript.getNucleusPosition();

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

            transform.position = Vector3.MoveTowards(transform.position, chasingPosition, speed * Time.deltaTime);

            // Check if we have reached the target position
            if (Vector3.Distance(transform.position,chasingPosition) <= 0.01f)
            {
                // 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;

            sphereRb.useGravity = false;

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

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