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

public class Pickupable : MonoBehaviour
{

    public int visibleDistance;

    public Image PickupIcon;
    public Image Crosshair;
    public GameObject IsHoldingLocation;

    public GameObject ObjectHolding;

    public bool IsHolding = false;

    public Camera cam;
    // Start is called before the first frame update
    void Start()
    {
        IsHolding = false;
    }

    // Update is called once per frame
    void Update()
    {
        if (IsHoldingLocation.transform.childCount > 0)
        {
            ObjectHolding = IsHoldingLocation.transform.GetChild(0).gameObject;
            IsHolding = true;
        }


        Ray ray = cam.ViewportPointToRay(new Vector3(0.5F, 0.5F, 0));
        RaycastHit hit;


        if (Physics.Raycast(ray, out hit, visibleDistance))
        {
            if (hit.transform.gameObject.layer == 10)  //10 = pickupable layer
            {
                PickupIcon.enabled = true;
                Crosshair.enabled = false;
            }
        }

        else
        {
            PickupIcon.enabled = false;
            Crosshair.enabled = true;
        }




        if (Input.GetKey(KeyCode.E))

            if (ObjectHolding == null)

            {

                if (Physics.Raycast(ray, out hit, visibleDistance))


                {
                    if (hit.transform.gameObject.layer == 10)  //10 = pickupable layer

                    {


                        hit.transform.parent = IsHoldingLocation.transform;

                        hit.transform.gameObject.GetComponent<Rigidbody>().isKinematic = true;

                    }

                    {

                    }

                    if (IsHolding = true)

                        if (Input.GetKeyDown(KeyCode.E))

                        {
                            Drop();
                        }


                }
                void Drop()
                {
                    IsHolding = false;
                    ObjectHolding.transform.gameObject.GetComponent<Rigidbody>().isKinematic = false;

                    ObjectHolding.transform.parent = null;
                    ObjectHolding = null;
                }
            }

    }
}