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

public class pickupController : MonoBehaviour
{
    bool canPickUp;
    bool carrying = false;
    GameObject player;
    GameObject obj;
    RaycastHit hit;
    Ray ray;
    [SerializeField]
    float range = 3f;
    bool holoActive = false;


    // Start is called before the first frame update
    void Start()
    {
        obj = this.transform.parent.gameObject;
        canPickUp = false;
        player = GameObject.FindGameObjectWithTag("Player");
    }

    // Update is called once per frame
    void Update()
    {

        if(canPickUp == true)
        {
            PickUp();
        }

        if(carrying == true)
        {

            ray = Camera.main.ScreenPointToRay(Input.mousePosition);
            if (Physics.Raycast(ray, out hit))
            {
                if (hit.transform.tag == "Surface" && Vector3.Distance(player.transform.position, hit.point) < range)
                {
                    obj.transform.Find("holo").gameObject.SetActive(true);
                    obj.transform.position = new Vector3(hit.point.x, hit.point.y + 0.5f, hit.point.z);
                }
            }

        }


    }

    private void OnTriggerEnter(UnityEngine.Collider other)
    {
       if (other.transform.tag == "Player")
        {
            canPickUp = true;
       }
    }

    private void OnTriggerExit(UnityEngine.Collider other)
    {
        if(other.transform.tag == "Player")
        {
            canPickUp = false;
        }

    }

    void PickUp()
    {
        canPickUp = false;
        carrying = true;
        obj.transform.GetComponent<Collider>().enabled = false;
        obj.transform.GetComponent<Rigidbody>().isKinematic = true;
        foreach (MeshRenderer mesh in obj.transform.GetComponentsInChildren<MeshRenderer>())
        {
            if (mesh.gameObject.name != "holo")
            {
                mesh.enabled = false;
            }

        }
    }

}