// --------------------------- Unreal Shot 3d / EnemyMovement.cs / Source by lanky ------------------
using UnityEngine;
using System.Collections;

[RequireComponent(typeof(AudioSource))]
public class EnemyMovement : Photon.MonoBehaviour {
	
	public AudioClip audioEnemyRun;
	public AudioClip audioEnemyAttack;
	public AudioClip audioEnemyDie;
	public AudioClip[] audioEnemyRespawn;

	HealthEnemy healthEnemy;

	private NavMeshAgent Agent; // AI
	private Quaternion graczTargetRotation; // przekręć o 180 (korekta)
	float dystans = 0;
	GameObject gracz;
	Animator animEnemy;
	bool goFirstUpdate = false;
	Vector3 realPosition = Vector3.zero;
	Quaternion realRotation = Quaternion.identity;
	float realAimAngle = 0;

	void Start () 
	{

		GetComponent<AudioSource>().PlayOneShot(audioEnemyRespawn[Random.Range(0, 3)], 0.5f); // Random 0-2
                healthEnemy = GetComponent<HealthEnemy>();
		animEnemy = GetComponent<Animator>();
		Agent = GetComponent<NavMeshAgent>();
		gracz = GameObject.Find("PlayerController(Clone)");
		if (gracz == null) Debug.Log("Nie ma gracza!");

		//gracz.GetComponent("PlayerController");
	}

	string nameFirst = null;
	bool timeFirst = true;
	float respawnTimer = 0;
	void audioPlay(string name, float time)
	{
		if (nameFirst != name)
		{
		    nameFirst = name;
		    timeFirst = true;
		}

		if(name == "bieg")
		{
			if (timeFirst)
			{
				//Debug.Log("biegnie");
				//audio.PlayOneShot(audioEnemyRun, 0.3f);
				GetComponent<AudioSource>().clip = audioEnemyRun;
				GetComponent<AudioSource>().volume = 0.1f;
				GetComponent<AudioSource>().Play();
				respawnTimer = time;
				timeFirst = false;
			}
			respawnTimer -= Time.deltaTime;
			if (respawnTimer <= 0) timeFirst = true;
		
		} else
		if(name == "atak")
		{
			if (timeFirst)
			{
				//Debug.Log("atakuje");
				//audio.PlayOneShot(audioEnemyAttack, 0.3f);

				GetComponent<AudioSource>().clip = audioEnemyAttack;
				GetComponent<AudioSource>().volume = 0.5f;
				GetComponent<AudioSource>().Play();
				respawnTimer = time;
				timeFirst = false;
			}
			respawnTimer -= Time.deltaTime;
			if (respawnTimer <= 0) 
			{
				//Debug.Log("hit");
				Health playerPV = gracz.transform.GetComponent<Health>(); 
	                        playerPV.GetComponent<PhotonView>().RPC ("TakeDamage", PhotonTargets.AllBuffered, 25f);
				timeFirst = true;

			}

		} else
		if(name == "die")
		{
			if (timeFirst)
			{
				//Debug.Log("umiera");
				//audio.PlayOneShot(audioEnemyDie, 0.3f);
				GetComponent<AudioSource>().clip = audioEnemyDie;
				GetComponent<AudioSource>().volume = 0.5f;
				GetComponent<AudioSource>().Play();
				respawnTimer = time;
				timeFirst = false;
			}
			respawnTimer -= Time.deltaTime;
			if (respawnTimer <= 0) timeFirst = false;

		} else
		{
			//Debug.Log("nic nie robi");
		}

	}

	string zdarzenieAudio;
	float czasAudio;
	bool enemyWraca = false;
	Vector3 enemyBaza = new Vector3(0.0f,7.0f,0.5f); // (75.7f,1.0f,2.0f);
	void Update () 
	{
	
		//Debug.Log(transform.position);
		if (enemyWraca)
		{
			zdarzenieAudio = "bieg";
			czasAudio = audioEnemyRun.length;
			animEnemy.SetBool("die", false);
			animEnemy.SetBool("bieg", true);
			animEnemy.SetBool("atak", false);
			Agent.SetDestination(enemyBaza); // porusza enemy w kierunku bazy
			
		}

		if (gracz == null)  // gdy gracz spadnie lub go nie ma wyjdz z funkcji
		{
			gracz = GameObject.Find("PlayerController(Clone)"); // sprobuj pobrać gracza
			enemyWraca = true; // enemy wraca do bazy
			return;
		} else enemyWraca = false;

		dystans = Vector3.Distance(transform.position, gracz.transform.position);


		if (healthEnemy.Death)
		{ 
			zdarzenieAudio = "die";
			czasAudio = 3f;
			//audioPlay("die", 1);
			animEnemy.SetBool("die", true);
			animEnemy.SetBool("bieg", false);
			animEnemy.SetBool("atak", false);
			Agent.SetDestination(transform.position);
			//Debug.Log("oko");

		} else
		if (dystans < 84)
		{
			zdarzenieAudio = "bieg";
			czasAudio = audioEnemyRun.length;
			//AudioSource.PlayClipAtPoint(runEnemyAudio, transform.position);
			Agent.SetDestination(gracz.transform.position); // porusza enemy w kierunku gracza
			animEnemy.SetBool("bieg", true);  // uruchamia animacje biegu
			animEnemy.SetBool("atak", false); // uruchamia animacje ataku
			animEnemy.SetBool("die", false);

			if (dystans < 2)
			{
				zdarzenieAudio = "atak";
				czasAudio = 2.37f;
				//AudioSource.PlayClipAtPoint(attackEnemyAudio, transform.position);
				graczTargetRotation = Quaternion.LookRotation(-gracz.transform.forward, Vector3.up); 
                                // przekręć o 180 (korekta)
				transform.rotation = Quaternion.Slerp(transform.rotation, graczTargetRotation, 10f *
                                Time.deltaTime); // obraca enemy w kierunku gracza
				Agent.SetDestination(transform.position);
				animEnemy.SetBool("bieg", false);
				animEnemy.SetBool("atak", true);
				animEnemy.SetBool("die", false);
			}

			//Debug.Log(dystans);
		}
		audioPlay(zdarzenieAudio, czasAudio);


		if (photonView.isMine)
		{
			//
		} else
		{
			transform.position = Vector3.Lerp(transform.position, realPosition, 0.1f);
			transform.rotation = Quaternion.Lerp(transform.rotation , realRotation, 0.1f);
			animEnemy.SetFloat( "AimAngle", Mathf.Lerp(animEnemy.GetFloat("AimAngle"),realAimAngle, 0.1f ));
		}
	}

	public void OnPhotonSerializeView(PhotonStream stream, PhotonMessageInfo info)
	{
		//CacheComponents();
		if (stream.isWriting)
		{
			//Debug.Log("stream.isWriting!!");
		}
		if (animEnemy == null) 
		{
			Debug.Log("enemyEmpty!!");
			return;
		}

		if (stream.isWriting)
		{   
			stream.SendNext(transform.position);
			stream.SendNext(transform.rotation);
			stream.SendNext( animEnemy.GetBool("bieg") );
			stream.SendNext( animEnemy.GetBool("atak") );
			stream.SendNext( animEnemy.GetBool("die") );
		}else
		{
			//transform.position = stream.ReceiveNext() as Vector3; // ok - Old Shool ;)
			//transform.position = (Vector3)stream.ReceiveNext();    // ok
			realPosition = (Vector3)stream.ReceiveNext();    // ok
			realRotation = (Quaternion)stream.ReceiveNext(); 
			animEnemy.SetBool( "bieg", (bool)stream.ReceiveNext() );
			animEnemy.SetBool( "atak", (bool)stream.ReceiveNext() );
			animEnemy.SetBool( "die", (bool)stream.ReceiveNext() );
		//	realAimAngle = (float)stream.ReceiveNext();
			
			if ( goFirstUpdate == false)
			{
    				transform.position = realPosition;
				transform.rotation = realRotation;
				animEnemy.SetFloat("AimAngle", realAimAngle);
				goFirstUpdate = true;
			}  
		}
		
	}
}