using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using DG.Tweening;

public class GameController : MonoBehaviour {


	public bool isGameOver;


	public Canvas VRGameOverCanvas;
	public Text VRGameOverTxt;

	public Text VRScoreTxt;

    public Canvas GameMenu;
    public Text MainMenu;
    private PlayMusic playMusic;
    private float fastFadeIn = .01f;

    public GameObject health;
	public Slider essenceBar;

	public int hp = 3;



//	public GameObject gameOverbutton;
	private int _currScore;
	private int _scoreToWin = 20;
    private bool _didIWin;

	/// <summary>
	/// Start a new game.
	/// </summary>
	public void NewGame() {
		ResetGame();
	}

	void Update()
	{
		if(Input.GetButtonDown("Fire1") && isGameOver)
		{
			ResetGame();
		}


	}


	/// <summary>
	/// Got an enemy! Increment the score and see if we win.
	/// </summary>
	public void GotOne() {
		_currScore++;


		VRScoreTxt.text = "" + _currScore;
//		if (_currScore >= _scoreToWin) {
//			GameOver(true);
//		}
	}

	/// <summary>
	/// Game's over.
	/// </summary>
	/// <param name="didIWin">Did the playeer win?</param>

	public void GameOver(bool didIWin) {
		isGameOver = true;
		_didIWin = didIWin;
		string finalTxt = (_didIWin) ? "You won!" : "Too bad";
		if (GvrViewer.Instance.VRModeEnabled) {
			VRGameOverCanvas.enabled = true;
			VRGameOverTxt.text = finalTxt;
		}

	}
	/// <summary>
	/// Resets the interface, removes remaining game objects. Basically gets us to a point
	/// where we're ready to play again.
	/// </summary>
	public void ResetGame() {
		// Reset the interface
		VRGameOverCanvas.enabled = false;

		isGameOver = false;
		_currScore = 0;
		hp = 3;

		VRScoreTxt.text = "--";
		essenceBar.value = 1000;

		health.transform.GetChild(0).gameObject.SetActive (true);
		health.transform.GetChild(1).gameObject.SetActive (true);
		health.transform.GetChild(2).gameObject.SetActive (true);
        // Remove any remaining game objects
        GameObject[] enemies = GameObject.FindGameObjectsWithTag("Enemy");
        foreach (GameObject enemy in enemies) {
        	Destroy(enemy);
        }

	}

	void Start () {
		StartCoroutine (UIAnimation ());
        MainMenu.text = "QRays";

	}
	IEnumerator UIAnimation()
	{
		while(true)
		{
			health.transform.DOPunchScale (new Vector3 (.5f, .5f), 1.0f, 5, .5f);
			essenceBar.transform.DOPunchScale (new Vector3 (.5f, .5f), 1.0f, 5, .5f);

			yield return new WaitForSeconds (5f);
		}
	}

}