using UnityEngine;
using System.Collections;
using System.Text;

/// <summary>
/// This is the data collected during a game. It will not be persisted.
/// The data is reset on every game played.
/// </summary>
public class GameDataManager : MonoBehaviour
{
	#region Unity Singleton
	private static GameDataManager _instance;

	public static GameDataManager Instance
	{
		get
		{
			if (_instance == null)
			{
				_instance = FindObjectOfType(typeof(GameDataManager)) as GameDataManager;
				if (_instance == null)
				{
					AVDebug.LogError(string.Format("No gameObject with {0} component exists. Make sure to create a gameObject with {0} component", new System.Diagnostics.StackFrame().GetMethod().DeclaringType));
				}
			}

			return _instance;
		}
	}

	void Awake()
	{
		if (_instance != null && _instance != this)
		{
			AVDebug.LogWarning(string.Format("{0} Instance already exists on another gameObject. Destroying this gameObject {1}", this.GetType().Name, gameObject.name));
			Destroy(gameObject);
			return;
		}

		_instance = this;
		DontDestroyOnLoad(gameObject);
		RegisterListeners();
	}

	void OnDestroy()
	{
		UnregisterListeners();
	}
	#endregion

	int _score;
	public int Score { get { return _score; } }

	int[][] _enemiesCaughtWithWeapon;
	int[] _weaponUpgradesPickedUp;
	int[] _enemiesGoneThrough;

	public bool HasStartedSpawningEnemies;

	const string bestScoreKeyPrefix = "bestScore_";

	public int SpecialSpermsGoneThrough
	{
		get
		{
			return
				GetEnemyTypeGoneThrough(EnemyType.bronzeSperm) +
				GetEnemyTypeGoneThrough(EnemyType.silverSperm) +
				GetEnemyTypeGoneThrough(EnemyType.goldSperm);
		}
	}

	public int SpermsGoneThrough
	{
		get
		{
			return SpecialSpermsGoneThrough +
				GetEnemyTypeGoneThrough(EnemyType.standardSperm);
		}
	}

	float _timePassed;
	public float TimePassed { get { return _timePassed; } }

	int _biggestCountOfSpermsHitBySpermicidalWave;
	public int BiggestCountOfSpermsHitBySpermicidalWave { get { return _biggestCountOfSpermsHitBySpermicidalWave; } }
	int _spermsHitInCurrentSpermicidalWave;

	int _biggestCountOfEnemiesHitByRocket;
	public int BiggestCountOfEnemiesHitByRocket { get { return _biggestCountOfEnemiesHitByRocket; } }

	int _biggestCountOfEnemiesCaughtByGiantCondom;
	public int BiggestCountOfEnemiesCaughtByGiantCondom { get { return _biggestCountOfEnemiesCaughtByGiantCondom; } }

	#region Unity Callbacks
	void RegisterListeners()
	{
		NotificationCenter.AddListener(OnGameStart, NotificationType.GameStart);
		NotificationCenter.AddListener(OnGameOver, NotificationType.GameOver);
		NotificationCenter.AddListener(OnAddToScore, NotificationType.AddToScore);
		NotificationCenter.AddListener(OnHitSomething, NotificationType.HitSomething);
		NotificationCenter.AddListener(OnPickedUpWeaponUpgrade, NotificationType.PickedUpWeaponUpgrade);
		NotificationCenter.AddListener(OnEnemyGoneThrough, NotificationType.EnemyGoneThrough);
		NotificationCenter.AddListener(OnFiredSpermidicalWave, NotificationType.FireSpermicidalWave);
		NotificationCenter.AddListener(OnSpermHitBySpermicidalWave, NotificationType.SpermHitBySpermicidalWave);
		NotificationCenter.AddListener(OnRocketHitEnemies, NotificationType.RocketHitEnemies);
		NotificationCenter.AddListener(OnGiantCondomCaughtEnemies, NotificationType.GiantCondomCaughtEnemies);
		DebugViewManager.OnDebugView += OnDebugView;
		CoreNotificationCenter.AddListener(OnResetData, CoreNotificationType.ResetData);
		NotificationCenter.AddListener(OnStartSpawningEnemies, NotificationType.StartSpawningEnemies);
	}

	void UnregisterListeners()
	{
		NotificationCenter.RemoveListener(OnGameStart, NotificationType.GameStart);
		NotificationCenter.RemoveListener(OnGameOver, NotificationType.GameOver);
		NotificationCenter.RemoveListener(OnAddToScore, NotificationType.AddToScore);
		NotificationCenter.RemoveListener(OnHitSomething, NotificationType.HitSomething);
		NotificationCenter.RemoveListener(OnPickedUpWeaponUpgrade, NotificationType.PickedUpWeaponUpgrade);
		NotificationCenter.RemoveListener(OnEnemyGoneThrough, NotificationType.EnemyGoneThrough);
		NotificationCenter.RemoveListener(OnFiredSpermidicalWave, NotificationType.FireSpermicidalWave);
		NotificationCenter.RemoveListener(OnSpermHitBySpermicidalWave, NotificationType.SpermHitBySpermicidalWave);
		NotificationCenter.RemoveListener(OnRocketHitEnemies, NotificationType.RocketHitEnemies);
		NotificationCenter.RemoveListener(OnGiantCondomCaughtEnemies, NotificationType.GiantCondomCaughtEnemies);
		DebugViewManager.OnDebugView -= OnDebugView;
		CoreNotificationCenter.RemoveListener(OnResetData, CoreNotificationType.ResetData);
		NotificationCenter.RemoveListener(OnStartSpawningEnemies, NotificationType.StartSpawningEnemies);
	}

	void Update()
	{
		if (HasStartedSpawningEnemies && GameUpdateManager.Instance._isPlaying)
		{
			_timePassed += Time.deltaTime;
		}
		else
		{
		    //Debug.Log(_timePassed);
		}
	}
	#endregion

	void OnDebugView()
	{
		if (GUILayout.Button("Fake Game Data for Simulating Achievements"))
		{
			EnemyType[] enemyTypes = (EnemyType[])System.Enum.GetValues(typeof(EnemyType));
			foreach (EnemyType e in enemyTypes)
			{
				_enemiesCaughtWithWeapon[(int)e][(int)PickupType.DefaultWeapon] = 100;
				_enemiesGoneThrough[(int)e] = 0;
			}
			PickupType[] weaponTypes = (PickupType[])System.Enum.GetValues(typeof(PickupType));
			foreach (PickupType w in weaponTypes)
			{
				_weaponUpgradesPickedUp[(int)w] = 100;
			}
			_timePassed = 100 * 60;
			_biggestCountOfEnemiesCaughtByGiantCondom = 100;
			_biggestCountOfEnemiesHitByRocket = 100;
			_biggestCountOfSpermsHitBySpermicidalWave = 100;
		}
	}

	#region Notifications
	void OnGameStart(Notification note)
	{
		ResetData();
		NotificationCenter.Post(NotificationType.UpdateScoreLabel);
	}

	void OnStartSpawningEnemies(Notification note)
	{
		HasStartedSpawningEnemies = true;
	}

	void OnGameOver(Notification note)
	{
		//Output the stats
		int levelIndex = LevelsManager.Instance.CurrentLevelIndex;
		StringBuilder sb = new StringBuilder();
		sb.AppendLine("Game Stats");
		sb.AppendLine("==========");
		sb.AppendLine("Level:"+levelIndex);
		sb.AppendLine("Score: "+_score);
		sb.AppendLine("Time: "+_timePassed);
		sb.AppendLine("Biggest Spermicidal Wave: " + _biggestCountOfSpermsHitBySpermicidalWave);
		sb.AppendLine("Biggest Rocket hit: " + _biggestCountOfEnemiesHitByRocket);
		sb.AppendLine("Biggest Giant Condom catch: " + _biggestCountOfEnemiesCaughtByGiantCondom);
		sb.AppendLine("Enemies Caught/PassedThrough:");
		EnemyType[] enemyTypes = (EnemyType[])System.Enum.GetValues(typeof(EnemyType));
		foreach (EnemyType e in enemyTypes)
		{
			sb.AppendLine(string.Format("-{0}: {1}/{2}", e, GetEnemyTypeCaught(e), GetEnemyTypeGoneThrough(e)));
		}
		sb.AppendLine("Weapon Upgrades picked up");
		PickupType[] weaponTypes = (PickupType[])System.Enum.GetValues(typeof(PickupType));;
		foreach (PickupType w in weaponTypes)
		{
			sb.AppendLine(string.Format("-{0}: {1}", w, GetWeaponUpgradeTypePickedUp(w)));
		}
		Logger.LogFlurryEvent("Game Stats", "summary", sb.ToString());
		if (LevelsManager.Instance.CurrentLevel.AreAllObjectivesMet())
		{
			Logger.LogFlurryEvent("Level completed", "level", LevelsManager.Instance.CurrentLevelIndex.ToString());
		}

		AVDebug.Log(sb.ToString());

		if (_score > GetBestScoreForCurrentLevel())
		{
			PlayerPrefs.SetInt(bestScoreKeyPrefix+levelIndex, _score);
		}
	}

	void OnResetData(CoreNotification note)
	{
		AVDebug.Log("Resetting Game Data");
		ResetData();
	}

	void OnAddToScore(Notification note)
	{
		ScoreChangeData data = (ScoreChangeData)note.data;
		_score += data.scoreDelta;
		NotificationCenter.Post(NotificationType.UpdateScoreLabel);
	}

	void OnHitSomething(Notification note)
	{
		HitEvent hitEvent = (HitEvent)note.data;
		Enemy enemy = hitEvent.hitObject.GetComponent<Enemy>();
		int enemyType = (int)enemy.type;
		++_enemiesCaughtWithWeapon[enemyType][(int)hitEvent.projectile.type];
		++_enemiesCaughtWithWeapon[enemyType][(int)PickupType.AnyWeapon];
		++_enemiesCaughtWithWeapon[(int)EnemyType.anyEnemy][(int)PickupType.AnyWeapon];
		++_enemiesCaughtWithWeapon[(int)EnemyType.anyEnemy][(int)hitEvent.projectile.type];
		//if it's a sperm
		if (enemyType >= (int)EnemyType.standardSperm &&
			enemyType <= (int)EnemyType.goldSperm)
		{
			++_enemiesCaughtWithWeapon[(int)EnemyType.anySperm][(int)PickupType.AnyWeapon];
			++_enemiesCaughtWithWeapon[(int)EnemyType.anySperm][(int)hitEvent.projectile.type];
		}
		//if it's a virus
		if (enemyType < (int)EnemyType.standardSperm)
		{
			++_enemiesCaughtWithWeapon[(int)EnemyType.anyVirus][(int)PickupType.AnyWeapon];
			++_enemiesCaughtWithWeapon[(int)EnemyType.anyVirus][(int)hitEvent.projectile.type];
		}
	}

	void OnPickedUpWeaponUpgrade(Notification note)
	{
		PickupType pickupType = (PickupType)note.data;
		++_weaponUpgradesPickedUp[(int)pickupType];
	}

	void OnEnemyGoneThrough(Notification note)
	{
		EnemyType enemyType = (EnemyType)note.data;
		//AVDebug.Log("enemyType passed through: "+enemyType);
		++_enemiesGoneThrough[(int)enemyType];
		Logger.LogFlurryEvent("Enemy Gone Through", "Virus", enemyType.ToString(), "Level", LevelsManager.Instance.CurrentLevelIndex.ToString());
	}

	void OnFiredSpermidicalWave(Notification note)
	{
		_spermsHitInCurrentSpermicidalWave = 0;
	}

	void OnSpermHitBySpermicidalWave(Notification note)
	{
		Enemy enemy = (Enemy)note.data;
		++_enemiesCaughtWithWeapon[(int)enemy.type][(int)PickupType.SpermicidalWave];
		++_spermsHitInCurrentSpermicidalWave;
		if (_spermsHitInCurrentSpermicidalWave > _biggestCountOfSpermsHitBySpermicidalWave)
		{
			_biggestCountOfSpermsHitBySpermicidalWave = _spermsHitInCurrentSpermicidalWave;
		}
	}

	void OnRocketHitEnemies(Notification note)
	{
		int enemiesHit = (int)note.data;
		if (enemiesHit > _biggestCountOfEnemiesHitByRocket)
		{
			_biggestCountOfEnemiesHitByRocket = enemiesHit;
		}
	}

	void OnGiantCondomCaughtEnemies(Notification note)
	{
		int enemiesCaught = (int)note.data;
		if (enemiesCaught > _biggestCountOfEnemiesCaughtByGiantCondom)
		{
			_biggestCountOfEnemiesCaughtByGiantCondom = enemiesCaught;
		}
	}
	#endregion

	void ResetData()
	{
		_score = 0;
		_timePassed = 0;
		HasStartedSpawningEnemies = false;
		_biggestCountOfSpermsHitBySpermicidalWave = 0;
		_spermsHitInCurrentSpermicidalWave = 0;
		_biggestCountOfEnemiesHitByRocket = 0;
		_biggestCountOfEnemiesCaughtByGiantCondom = 0;
		if (_enemiesCaughtWithWeapon == null)
		{
			int numOfEnemyTypes = System.Enum.GetNames(typeof(EnemyType)).Length;
			_enemiesGoneThrough = new int[numOfEnemyTypes];
			int numOfWeaponUpgrades = System.Enum.GetNames(typeof(PickupType)).Length;
			_weaponUpgradesPickedUp = new int[numOfWeaponUpgrades];
			_enemiesCaughtWithWeapon = new int[numOfEnemyTypes][];
			for (int i = 0; i < numOfEnemyTypes; i++)
			{
				_enemiesCaughtWithWeapon[i] = new int[numOfWeaponUpgrades];
			}
		} else
		{
			for (int i = 0; i < _enemiesCaughtWithWeapon.Length; i++)
			{
				for (int j = 0; j < _enemiesCaughtWithWeapon[i].Length; j++)
				{
					_enemiesCaughtWithWeapon[i][j] = 0;
				}
				_enemiesGoneThrough[i] = 0;
			}
			for (int i = 0; i < _weaponUpgradesPickedUp.Length; i++)
			{
				_weaponUpgradesPickedUp[i] = 0;
			}
		}
	}

	public int GetEnemyTypeCaught(EnemyType enemyType)
	{
		return _enemiesCaughtWithWeapon[(int)enemyType][(int)PickupType.AnyWeapon];
	}

	public int GetEnemyTypeCaughtWithWeapon(EnemyType enemyType, PickupType weaponType)
	{
		return _enemiesCaughtWithWeapon[(int)enemyType][(int)weaponType];
	}

	public int GetEnemyTypeGoneThrough(EnemyType enemyType)
	{
		return _enemiesGoneThrough[(int)enemyType];
	}

	public int GetWeaponUpgradeTypePickedUp(PickupType pickupType)
	{
		return _weaponUpgradesPickedUp[(int)pickupType];
	}

	public int GetBestScoreForCurrentLevel()
	{
		return PlayerPrefs.GetInt(bestScoreKeyPrefix+LevelsManager.Instance.CurrentLevelIndex, 0);
	}
}