public class LevelLoader
{
	private static LevelHolder levelHolder = new LevelHolder();

	public static IEnumerator LoadLevel(int number, LevelScript prefabProvider, float fieldWidth, float fieldHeight, System.Action<int> callback) {
		// TODO use gravity and surface
		LevelHolder.LevelData level = levelHolder.GetLevel(number);
		WaitForFixedUpdate wait = new WaitForFixedUpdate() ;

		// TODO Coordinates ? WTF
		int nPixelWidth = 720 / level.levelWidth;  // Affects how much items on the screen. Should be a variable
		int nPixelHeight = 390 / level.levelHeight; // Affects how much items on the screen. Should be a variable

		int bubblesCount = 0;
		for (int x = 0; x < level.levelWidth; x++) {
			for (int y = 0; y < level.levelHeight; y++) {
				Debug.Log ("Spawning object");
				int item = level.items[((y * 2) * 20) + (x * 2)];
				int itemData = level.items[(((y * 2) * 20) + (x * 2)) + 1];

				float xCoordinate = 0 + ((x * nPixelWidth) + (nPixelWidth / 2)) * 2;  // 0 is offset
				float yCoordinate = 50 + ((y * nPixelHeight) + (nPixelHeight/ 2)) * 2; // 0 is offset
				Vector3 coordinate = new Vector3 (xCoordinate / 100f, yCoordinate / 100f);

				if (item < 1000 && item > 0) {
					GameObject bubble = (GameObject)GameObject.Instantiate (prefabProvider.bubblePrefab, coordinate, Quaternion.identity);
					bubble.GetComponent<Bubble> ().SetValue (item);
					bubble.gameObject.name = "Bubble";
					bubblesCount++;
				} else if (item == 1000) {
					GameObject ball = (GameObject)GameObject.Instantiate (prefabProvider.ballPrefab, coordinate, Quaternion.identity);
					ball.GetComponent<PlayerBall> ().level = prefabProvider;
				} else if (item == 2000) {
					GameObject.Instantiate (prefabProvider.spedUpPrefab, coordinate, Quaternion.identity);
				} else if (item == 2010) {
					GameObject.Instantiate (prefabProvider.spedDownPrefab, coordinate, Quaternion.identity);
				} else if (item == 3000) {
					GameObject death = (GameObject)GameObject.Instantiate (prefabProvider.deathPrefab, coordinate, Quaternion.identity);
					death.gameObject.name = "Death";
				} else if (item >= 4100 && item < 4200) {
					GameObject bubble = (GameObject)GameObject.Instantiate (prefabProvider.bubblePrefab, coordinate, Quaternion.identity);
					bubble.GetComponent<Bubble> ().SetValue (item);
					bubble.gameObject.name = "Bubble";
                    bubble.GetComponent<Bubble>().SetMovement(3, Mathf.Round(((float)itemData) * 15f));
                    bubblesCount++;
				} else if (item >= 4200 && item < 4300) {
					GameObject bubble = (GameObject)GameObject.Instantiate (prefabProvider.bubblePrefab, coordinate, Quaternion.identity);
					bubble.GetComponent<Bubble> ().SetValue (item);
					bubble.gameObject.name = "Bubble";
                    bubble.GetComponent<Bubble>().SetMovement(3, Mathf.Round(((float)itemData) * 15f));
                    bubblesCount++;
				} else if (item >= 4300 && item < 4400) {
					GameObject bubble = (GameObject)GameObject.Instantiate (prefabProvider.bubblePrefab, coordinate, Quaternion.identity);
					bubble.GetComponent<Bubble> ().SetValue (item);
					bubble.gameObject.name = "Bubble";
                    bubble.GetComponent<Bubble>().SetMovement(3, itemData);
                    bubblesCount++;
                } else if (item == 5000) {
					GameObject.Instantiate (prefabProvider.pillsPrefab, coordinate, Quaternion.identity);
				} else if (item == 6000) {
					GameObject.Instantiate (prefabProvider.bombPrefab, coordinate, Quaternion.identity);
				} else if (item == 7100) {
					GameObject.Instantiate (prefabProvider.plusPrefab, coordinate, Quaternion.identity);
				} else if (item == 7200) {
					GameObject.Instantiate (prefabProvider.minusPrefab, coordinate, Quaternion.identity);
				} else if (item == 7300) {
					GameObject.Instantiate (prefabProvider.popPrefab, coordinate, Quaternion.identity);
				} else if (item == 7400) {
					GameObject.Instantiate (prefabProvider.popPrefab, coordinate, Quaternion.identity);
				}

				Debug.Log ("Waitinf before spawning");
				yield return wait;
			}
		}
		callback (bubblesCount);
	}
}