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

//[ExecuteInEditMode]
public class GUIScript : MonoBehaviour {
    private static GUIScript instance = null;

    public static GUIScript Instance {
        get {
            return instance;
        }
    }


    public GUISkin skin;
    public GameObject restartBtn;
    public GameObject startBtn;
    public GameObject tapToPlay;

    public GameObject introMenu;
    public GameObject restartMenu;

    public GameObject shieldText;
    public GameObject targetText;
    public GameObject slowText;
    public GameObject gameOverText;

    public bool slowler;

    public GameObject scoreText;
    public Text scoreGUI;

    void Start () {
        if (instance != null && instance != this) {
            Destroy (this);
            return;
        }
        instance = this;
        slowler = false;
        LoadGUI ();
        CreateIntroMenu ();
        CreateRestartMenu ();
    }

    void LoadGUI()
    {
        Text scoreGUI = scoreText.GetComponent<Text> ();

        shieldText.transform.localScale = GameSystem.Instance.scale/2;
        shieldText = Instantiate (shieldText, new Vector3 (0.0f,GameSystem.Instance.targetWidth.y,0.0f), Quaternion.identity) as GameObject;

        targetText.transform.localScale = GameSystem.Instance.scale/2;
        targetText = Instantiate (targetText, new Vector3 (0.0f,GameSystem.Instance.targetWidth.y,0.0f), Quaternion.identity) as GameObject;

        slowText.transform.localScale = GameSystem.Instance.scale/2;
        slowText = Instantiate (slowText, new Vector3 (0.0f,GameSystem.Instance.targetWidth.y,0.0f), Quaternion.identity) as GameObject;

        gameOverText.transform.localScale = GameSystem.Instance.scale/2;
        gameOverText = Instantiate (gameOverText, new Vector3 (0.0f,GameSystem.Instance.targetWidth.y,0.0f), Quaternion.identity) as GameObject;

        restartBtn.transform.localScale = GameSystem.Instance.scale*2;
        restartBtn = Instantiate (restartBtn, new Vector3 (0.0f,0.0f,0.0f), Quaternion.identity) as GameObject;

        tapToPlay.transform.localScale = GameSystem.Instance.scale;
        tapToPlay = Instantiate (tapToPlay, new Vector3 (0.0f, -GameSystem.Instance.targetWidth.y+tapToPlay.renderer.bounds.extents.y*6, 0.0f), Quaternion.identity) as GameObject;

        startBtn.transform.localScale = GameSystem.Instance.scale*2;
        startBtn = Instantiate (startBtn, new Vector3 (0.0f, GameSystem.Instance.player.transform.position.y-GameSystem.Instance.scaleSize, 0.0f), Quaternion.identity) as GameObject;

    }

    void CreateIntroMenu()
    {
        introMenu = new GameObject ();
        introMenu.name = "IntroMenu";
        startBtn.transform.parent = introMenu.transform;
        tapToPlay.transform.parent = introMenu.transform;
        introMenu.SetActive (false);
    }

    void CreateRestartMenu()
    {
        restartMenu = new GameObject ();
        restartMenu.name = "RestartMenu";
        restartBtn.transform.parent = restartMenu.transform;
        restartMenu.SetActive (false);
    }
    void Update()
    {
        scoreGUI.text = GameSystem.Instance.score.ToString ();
    }

//  void OnGUI ()
//  {
//
//      GUI.skin = skin;
//      GUI.skin.label.fontSize =  (int)(GameSystem.Instance.scaleSize*2.0f)*95;
//
//
//      if (GameStateManager.GameState == GameState.Playing)
//      //if (true)
//      {
//          float guiSpeed = (GameSystem.Instance.speed.y * -1);
//          int fixSpeed = (int)guiSpeed - 7;
//          GUI.Label (new Rect (GameSystem.Instance.scoreGUIPosition.x, Screen.height-GameSystem.Instance.scoreGUIPosition.y, Screen.width/2, GameSystem.Instance.scaleSize*4.5f*100), "SCORE\n"+ GameSystem.Instance.score.ToString ());
//          GUI.Label (new Rect (GameSystem.Instance.speedGUIPosition.x, Screen.height - GameSystem.Instance.speedGUIPosition.y, Screen.width/2, GameSystem.Instance.scaleSize*4.5f*100), "SPEED\n"+((slowler == false)?fixSpeed.ToString ():"SLOW"));
//
//      }
//      if (GameStateManager.GameState == GameState.Dead)
//      {
//          GUI.Label (new Rect (GameSystem.Instance.bestScorePosition.x, Screen.height - GameSystem.Instance.bestScorePosition.y, Screen.width, GameSystem.Instance.scaleSize*2.0f*100), "Best score:" + GameSystem.Instance.realMaxScore.ToString ());
//          GUI.Label (new Rect (GameSystem.Instance.nowScorePosition.x, Screen.height - GameSystem.Instance.nowScorePosition.y, Screen.width, GameSystem.Instance.scaleSize*2.0f*100), "Your score:" + GameSystem.Instance.score.ToString ());
//      }
//
//  }
}