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

public class StarTarget : MonoBehaviour
{
	public SoundEvent starReached;
	public Image _spriteBack;
	Image _sprite;
	

	int _scoreToReach;
	bool _isReached;
	bool _alreadyPlayedSoundForReachingStar;
	Vector3 _originalScale;

	const string STAR_FULL = "StarFull";
	const string STAR_EMPTY = "StarEmpty";

	void Awake()
	{
		_sprite = GetComponent<Image>();
		_originalScale = transform.localScale;
	}

	void OnEnable()
	{
		NotificationCenter.AddListener(OnScoreChanged, NotificationType.UpdateScoreLabel);
		transform.localScale = _originalScale;
		_isReached = false;
		_alreadyPlayedSoundForReachingStar = false;
	}

	void OnDisable()
	{
		NotificationCenter.RemoveListener(OnScoreChanged, NotificationType.UpdateScoreLabel);
	}

	public void SetPosition(int scoreToReach, int maxScore, float maxWidth)
	{
		_scoreToReach = scoreToReach;
		Vector3 pos = transform.localPosition;
		pos.x = maxWidth * (scoreToReach/(float)maxScore) - maxWidth/2;
		transform.localPosition = pos;
		if(_spriteBack!= null)
        {
			_spriteBack.transform.localPosition = pos;
		}
	}

	void OnScoreChanged(Notification note)
	{
		int score = GameDataManager.Instance.Score;
		if (!_isReached &&
			score >= _scoreToReach)
		{
			_isReached = true;
			AnimateReachingStar();
		} else
		if (_isReached &&
			score < _scoreToReach)
		{
			_isReached = false;
			AnimateLoosingStar();
		}
	}

	void AnimateReachingStar()
	{
		//So as to avoid lots of replaying the same sound, due to negative marking when shooting
		if (!_alreadyPlayedSoundForReachingStar)
		{
			_alreadyPlayedSoundForReachingStar = true;
			SoundManager.Play(starReached);
		}
		_sprite.StopAllCoroutines();
		//_sprite.color = new Color(_sprite.color.r, _sprite.color.g, _sprite.color.b, 0); ;
		//_sprite.DOFade(0, 0f);
		//_sprite.DOFade(1, 0.5f);
		
		_sprite.transform.DOScale(Vector3.one,0.3f);
	}

	void AnimateLoosingStar()
	{
		this.StopAllCoroutines();
		_sprite.SetNativeSize();
	}
}