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

public class PlayerRayCast : MonoBehaviour {

    public Canvas FToInteractCanvas;
    public GameObject UIManager;

    public GameObject[] Buttons;

    private RaycastHit hit;
    private bool ObjectInteractibleInRayCast = false;

    private bool UIIsActive = false;

    // Use this for initialization
    void Start () {
        FToInteractCanvas.gameObject.SetActive(false);
    }

	// Update is called once per frame
	void Update () {
        if (Physics.Raycast(transform.position, transform.forward, out hit, 2) && (hit.transform.gameObject.CompareTag("Interactible")) && !ObjectInteractibleInRayCast)
        {
            ObjectInteractibleInRayCast = true;
        }

        if (ObjectInteractibleInRayCast && ((Physics.Raycast(transform.position, transform.forward, out hit, 2) == false) || !(hit.transform.gameObject.CompareTag("Interactible"))))
        {
            ObjectInteractibleInRayCast = false;
        }

        InteractibleUI(ObjectInteractibleInRayCast);
        if (UIManager.GetComponent<GlobalUI>().InMenu == false)
        {
            KeyInteractible(ObjectInteractibleInRayCast);
        }
    }

    public void InteractibleUI(bool inRayCast)
    {
        if ((inRayCast && !UIIsActive) || UIManager.GetComponent<GlobalUI>().InMenu == false)
        {
            UIIsActive = true;
            FToInteractCanvas.gameObject.SetActive(true);
        }
        if ((!inRayCast && UIIsActive) || UIManager.GetComponent<GlobalUI>().InMenu == true)
        {
            UIIsActive = false;
            FToInteractCanvas.gameObject.SetActive(false);
        }
    }

    public void KeyInteractible (bool inRayCast)
    {
        if (Input.GetKeyDown(KeyCode.F) && hit.transform.gameObject == Buttons[0] && inRayCast && UIManager.GetComponent<GlobalUI>().InMenu == false)
        {
            UIManager.GetComponent<PopUpTwoChoiceUICtrl>().VersionPUTC = 1;
        }
    }
}