using com.jbrettob.data.vo.items.mechanics;
using com.jbrettob.enemies;
using com.jbrettob.traps;
using UnityEngine;
using com.jbrettob.net.xml;

[RequireComponent(typeof(AmmoMechanic))]
public class ShootMechanic:AbstractGameMechanic
{
	public Transform projectilePrefab;
	//
	private Trap _trap;
	[SerializeField]
	private ShootMechanicData _data;
	private float _cooldown;
	private float _attackRange;
	//
	private float _timer = 0f;
	private AmmoMechanic _ammoMechanic;
	private RotateMechanic _rotateMechanic;
	
	public void setData(Trap trap, ShootMechanicData data)
	{
		setData(trap, data, null);
	}
	
	public void setData(Trap trap, ShootMechanicData data, RotateMechanic rotateMechanic)
	{
		_trap = trap;
		_timer = 0f;
		_data = data;
		_cooldown = _timer = _data.cooldown;
		_attackRange = _data.attackRange;
		_ammoMechanic = gameObject.GetSafeComponent<AmmoMechanic>();
		_ammoMechanic.setData(_data.ammoMechanicData, _trap);
		_rotateMechanic = rotateMechanic;
		
		setProjectile();
	}
	
	private void setProjectile()
	{
		switch (_trap.itemProperties.projectileModel)
		{
			case Projectile.MODEL.ARROW:
				projectilePrefab = ResourceManager.getInstance().projectilePrefabs[0];
				break;
			case Projectile.MODEL.BALL:
				projectilePrefab = ResourceManager.getInstance().projectilePrefabs[1];
				break;
			case Projectile.MODEL.BALL_SPIKES:
				projectilePrefab = ResourceManager.getInstance().projectilePrefabs[2];
				break;
			default:
				projectilePrefab = ResourceManager.getInstance().projectilePrefabs[0];
				break;
		}
		
		projectilePrefab.CreatePool();
	}
	
	void Start()
	{
		_rotateMechanic = gameObject.GetComponentInChildren<RotateMechanic>();
	}
	
	void Update()
	{
		if (!_trap.isPlaced()) return;
		
		if (_ammoMechanic.ammo > 0)
		{
			if (_timer <= 0f)
			{
				Vector3 fwd = gameObject.transform.TransformDirection(Vector3.forward);
				
				if (debug) Debug.DrawRay(gameObject.transform.position + (Vector3.up * .5f), fwd * _attackRange, Color.magenta);
				
				if (_rotateMechanic != null && !_rotateMechanic.isReady())
				{
					return;
				}
				
				RaycastHit hit;
				
				if (Physics.Raycast(gameObject.transform.position  + (Vector3.up * .5f), fwd, out hit, _attackRange))
				{
					Enemy enemy = hit.collider.gameObject.GetComponent<Enemy>();
					if (enemy != null)
					{
						shootProjectile();
						_timer = _cooldown;
					}
				}
			}
			else
			{
				_timer -= Time.deltaTime * TimeScale.TIME;
			}
		}
	}
	
	private void shootProjectile()
	{
		if (debug) logDebug("shootProjectile() pos: " + gameObject.transform.position);
		Vector3 spawnPos = gameObject.transform.position;
		spawnPos.y += .5f;
		Quaternion rotatePos = (_rotateMechanic != null && _rotateMechanic.trapModelRotate != null) ? _rotateMechanic.trapModelRotate.transform.rotation : gameObject.transform.rotation;
		Transform to = ObjectPool.Spawn(projectilePrefab, spawnPos, rotatePos) as Transform;
		_data.projectileData.setLifeTime(_data.attackRange);
		to.GetComponent<Projectile>().data = _data.projectileData;
		// TODO: turned off removing ammo for the showcase
		//_ammoMechanic.ammo--;
		if (_trap.anim != null && _trap.anim.clip != null) _trap.anim.Play();
		
		if (_trap.audio != null) _trap.audio.Play();
	}
	
	public override IXmlParsable data
	{
		get
		{
			return _data;
		}
	}
	
	public AmmoMechanic ammoMechanic
	{
		get { return _ammoMechanic; }
	}
}