using UnityEngine;
using System.Collections;
using System.Collections.Generic;


public class BattleObject : MapObject, IBattleObject , ITarget
{

	public Animation animation;

	public Texture[] textureArr;
	public Material material;

	protected int _userId;
	protected AI.AIType _aiType;

	protected float m_OriginMoveSpeed = 3f;
	public virtual float originMoveSpeed
	{
		get{ 
			return m_OriginMoveSpeed;
		}
		set{ 
			m_OriginMoveSpeed = value;
		}
	}
	protected float m_ModifyMoveSpeed = 0f;
	public virtual float modifyMoveSpeed
	{
		get{ 
			return m_ModifyMoveSpeed;
		}
		set{ 
			m_ModifyMoveSpeed = value;
		}
	}

	protected bool _enableMove = true;
	protected bool _enablePower = true;
	protected bool _holdAction = false;

	public float headBarHeight = 1.5f;
	protected HeadBar headBar;
	public bool enabledHeadBar = true;

	protected float _hp;
	protected float _maxHp;
	protected float _originMaxHp;

	public int lastShooterId = int.MinValue;
	public int lastShooterCraftId = int.MinValue;

	protected float lastDamageTime;
	protected float hpRecoverInterval = 8f;
	protected float hpRecoverSpeed = 0.025f;

	public float viewRange = 8f;
	public bool overwhelming;

	protected bool _isDead;
	protected float deadTime;
	protected Vector3 deadPos;

	protected List<Buff> buffList = new List<Buff>();
	protected ThreatManager threatManager;

	public event EventUtil.SimpleEventDelegate HpChanged;
	public event EventUtil.SimpleEventDelegate Killed;

	private ITarget _target;
	public ITarget target{
		get{
			return _target;
		}
		set{
			_target = value;
		}
	}

	public override void Init (Map map)
	{
		base.Init (map);
		threatManager = new ThreatManager();
		if(enabledHeadBar)
		{
			InitHeadBar();
		}

		Renderer renderer = GetComponentInChildren<Renderer> ();
		if (renderer != null)
			material = renderer.material;
		else
			material = null;
	}

	public virtual void EnterFrame(){}


	public int userId
	{
		get{
			return _userId;
		}
		set{
			_userId = value;
		}
	}

	public AI.AIType aiType
	{
		get{
			return _aiType;
		}
		set{
			_aiType = value;
		}
	}

	public override TeamUtil.Team team {
		get {
			return base.team;
		}
		set {
			base.team = value;
			if(textureArr.Length > 0)
			{
				int index = value.GetHashCode() - 1;
				Renderer[] renderers = this.GetComponentsInChildren<Renderer>();
				for(int i=0; i<renderers.Length; i++)
				{
					renderers[i].material.mainTexture = textureArr[index];
				}
			}
		}
	}

	public HeadBar GetHeadBar()
	{
		return headBar;
	}

	public virtual Transform GetBaseTransform()
	{
		return transform;
	}

	public override Vector3 position {
		get {
			if(IsDead())
				return deadPos;
			return base.position;
		}
		set {
			if(!IsDead())
				base.position = value;
		}
	}

	public virtual Vector3 heartPos
	{
		get{
			Vector3 pos = position;
			pos.y = 1.5f;
			return pos;
		}
	}

	public virtual bool isMoving
	{
		get{
			return false;
		}
	}


	public virtual bool enableMove
	{
		set{
			_enableMove = value;
			if(!value)
			{
				for(int k=buffList.Count-1; k>=0; k--)
				{
					if(k >= buffList.Count)
						continue;
					buffList[k].OnDismove();
				}
			}
		}
		get{
			return _enableMove;
		}
	}

	public bool enablePower
	{
		set{
			_enablePower = value;
		}
		get{
			return _enablePower;
		}
	}

	public virtual bool holdAction
	{
		set{
			_holdAction = value;
		}
		get{
			return _holdAction;
		}
	}







	//hp & mp
	public void InitHeadBar()
	{
		if(headBar == null)
		{
			GameObject headBarPrefab = Resources.Load(Config.HEAD_BAR_PREFAB) as GameObject;
			GameObject headBarObj = Instantiate(headBarPrefab) as GameObject;
			PopUpManager.AddToMainCanvas (headBarObj);
			headBar = headBarObj.GetComponent<HeadBar>();
		}
		headBar.Init(this);
	}

	public float hp
	{
		set{
			if(_hp != value)
			{
				_hp = NumberUtil.forceBetween(value, 0, maxHp);

				if(HpChanged != null)
					HpChanged();

				if(headBar != null)
				{
					headBar.UpdateHpBar();
				}
			}
		}
		get{
			return _hp;
		}
	}

	public float maxHp
	{
		set{
			_maxHp = value;
		}
		get{
			return _maxHp;
		}
	}

	public float originMaxHp
	{
		get{ 
			return _originMaxHp;
		}
	}

	public virtual void MakeDamage(Bullet bullet)
	{
		lastShooterId = bullet.GetOwner ().userId;
		lastShooterCraftId = (bullet.GetOwner() is Craft ? (bullet.GetOwner() as Craft).GetCraftId() : 0);
		lastDamageTime = GameTime.time;
		if(!overwhelming)
			hp -= bullet.damage;
		if(bullet.GetOwner().team != team)
			threatManager.AddThreat(bullet.GetOwner().id, bullet.damage);

		DamageStat (lastShooterId, bullet.damage);
		OnDamage();
	}

	public virtual void MakeDamage(float damage, BattleObject launcher)
	{
		lastShooterId = launcher.userId;
		lastDamageTime = GameTime.time;
		if(!overwhelming)
			hp -= damage;
		if(launcher.team != team)
			threatManager.AddThreat(launcher.id, damage);

		DamageStat (lastShooterId, damage);
		OnDamage();
	}

	public void MakeDamage(float damage)
	{
		lastDamageTime = GameTime.time;
		if(!overwhelming)
			hp -= damage;
	}

	private void DamageStat(int userId, float damage)
	{
		Player player = Session.GetInstance ().GetBattleSession ().GetPlayer (userId);
		if (player != null)
			player.damage += damage;
	}

	public virtual void MakeHeal(Bullet bullet)
	{
		hp += bullet.damage;
		HealStat (bullet.GetOwner().userId, bullet.damage);
	}

	private void HealStat(int userId, float heal)
	{
		Player player = Session.GetInstance ().GetBattleSession ().GetPlayer (userId);
		if (player != null)
			player.heal += heal;
	}

	protected void CheckHpRecover()
	{
		if(hp < maxHp && IsLeaveDamage())
		{
			float hpRecover = maxHp*hpRecoverSpeed*GameTime.deltaTime;
			hp += hpRecover;
		}
	}

	public bool IsLeaveDamage()
	{
		return GameTime.time - lastDamageTime > hpRecoverInterval;
	}







	public void AddBuff(Buff buff)
	{
		if(buff == null)
			return;
		buffList.Add(buff);
	}

	public void RemoveBuff(Buff buff)
	{
		buffList.Remove(buff);
	}

	public List<Buff> GetBuffList()
	{
		return buffList;
	}

	public void DealBuff()
	{
		for(int i=buffList.Count-1; i>=0; i--)
		{
			buffList[i].Update();
		}
	}

	public void OnMove()
	{
		for(int i=buffList.Count-1; i>=0; i--)
		{
			buffList[i].OnMove();
		}
	}

	public void OnDamage()
	{
		for(int i=buffList.Count-1; i>=0; i--)
		{
			buffList[i].OnDamage();
		}
	}

	public void OnUserPower()
	{
		for(int i=buffList.Count-1; i>=0; i--)
		{
			buffList[i].OnUserPower();
		}
	}










	protected bool invisible;
	public virtual void SetInvisible(bool invisible, bool isAlly)
	{
		if(invisible == this.invisible)
		{
			return;
		}

		this.invisible = invisible;
		Collider collider = GetComponent<Collider>();
		if(invisible)
		{
			float alpha = isAlly ? 0.5f : 0;
			Invisibler.Start(this, alpha, false);
			if(collider != null)
				collider.enabled = isAlly ? true : false;
			headBar.gameObject.SetActive(isAlly);
		}
		else
		{
			float alpha = 1f;
			Invisibler.Start(this, alpha, true);
			if(collider != null)
				collider.enabled = true;
			headBar.gameObject.SetActive(true);
		}
	}

	public bool IsInvisible()
	{
		return invisible;
	}


	

	public bool CanShoot()
	{
		return !IsDead() && !IsInvisible();
	}



	public bool IsDead()
	{
		return _isDead;
	}

	public virtual void Dead()
	{
		if(_isDead)
			return;

		deadPos = position;
		_isDead = true;
		deadTime = GameTime.time;

		if(SoundUtils.IsSoundNear(position))
		{
			SoundManager.GetInstatnce().effectSound.Play(SoundManager.GetInstatnce().effectSound.explode);
		}

		BattleController.Shake(position);

		GameObject explosionObj = EffectUtil.CreateEffect("Explosion");
		Vector3 pos = position;
		pos.y = 1f;
		explosionObj.transform.position = pos;

		if(map != null)
			map.RemoveBattleObject(this);

		Collider coll = GetComponent<Collider>();
		if(coll != null)
			coll.enabled = false;

		Renderer[] renderList = GetComponentsInChildren<Renderer>();
		for(int i=0; i<renderList.Length; i++)
		{
			renderList[i].enabled = false;
		}

		if(Killed != null)
			Killed();
	}



	public ThreatManager GetThreadManager()
	{
		return threatManager;
	}
}