using UnityEngine;
using System.Collections;
using UnityEngine.SceneManagement;

public class GameController : MonoBehaviour
{
	public GameObject hazard;
	public int hazardCount;
	public float spawnWait;
	public float startWait;
	public float waveWait;

	public GUIText sorceText;
	public GUIText restartText;
	public GUIText gameOverText;
	public GUIText testText;
	private int score;

	private bool gameOver;
	private bool restart;

	public static float xMin, xMax, yMin, yMax;

	void Start ()
	{
		testText.text = "start";
		Debug.Log ("Start ");

		Camera cam = Camera.main;

		float CamCentX = cam.gameObject.transform.position.x;
		float CamCentY = cam.gameObject.transform.position.y;

		float Camheight = 2f * cam.orthographicSize;
		float Camwidth = Camheight * cam.aspect;

		xMin = CamCentX - Camwidth/2.0f;
		xMax = CamCentX + Camwidth/2.0f - hazard.transform.localScale.x;
		yMin = CamCentY - Camheight/2.0f;
		yMax = CamCentY + Camheight/2.0f;

		gameOver = false;
		restart = false;
		restartText.text = "";
		gameOverText.text = "";
		score = 0;
		UpdateScore ();
		StartCoroutine (SpawnWaves ());
		
	}


	float lastClickTime = 0.0f;
	float catchTime = 0.25f;
	void Update(){
		if (restart) {
			if(Input.touchCount > 0 || Input.GetKeyDown(KeyCode.R)){
				if(Time.time-lastClickTime<catchTime){
					//double click
					SceneManager.LoadScene(SceneManager.GetActiveScene().buildIndex) ;
					//print("done:"+(Time.time-lastClickTime).ToString());
				}else{
					//normal click
					print("miss:"+(Time.time-lastClickTime).ToString());
				}
				lastClickTime=Time.time;
			}
		}
	}



	IEnumerator SpawnWaves(){
		yield return new WaitForSeconds (startWait);
		while (true)
		{
			testText.text = "In while (true), \nT = " + Time.time;
			for (int i = 0; i < hazardCount; i++)
			{
				//i++;
				testText.text = xMin + "," + xMax + "," + yMax+"\n i:"+i+", cnt:"+hazardCount;
				testText.text += "\nwait" + spawnWait + "," + waveWait + ",T=" + Time.time + "\n";
				testText.text += spawnWait+", "+startWait+", "+	waveWait;
				//testText.text = "CreatHazard:" + i;
				Vector3 spawnPosition = new Vector3 (Random.Range (xMin, xMax), yMax, 0);
				Quaternion spawnRotation = Quaternion.identity;
				Instantiate (hazard, spawnPosition, transform.rotation);

				yield return new WaitForSeconds (spawnWait);
			}
			yield return new WaitForSeconds (waveWait);

			if (gameOver) {
				testText.text = "In gameOver, \nT = " + Time.time;
				//restartText.text = "Press 'R' to Restart";
				restartText.text = "Double click to Restart";
				restart = true;
				break;
			}
		}
	}

	public void AddScore (int newScoreValue)
	{
		score += newScoreValue;
		UpdateScore ();
	}

	void UpdateScore ()
	{
		sorceText.text = "Score: " + score;
	}

	public void GameOver(){
		gameOverText.text = "Game Over !!";
		gameOver = true;
	}
}