using UnityEngine;
using System.Collections;

public class Patrol : MonoBehaviour {

	public float patrolDistance;
	public int waitTime;
	public float speed;
	public bool startRight;

	public int direction = 1;
	private Vector3 startPosition;
	private int curWait = 0;
	private Vector3 move = new Vector3(1, 0.0f ,0.0f);

	// Use this for initialization
	void Start () {
		startPosition = transform.position;
		if (!startRight) {
				transform.Rotate (Vector3.up * 180);
				direction *= -1;
				}
	
	}
	
	// Update is called once per frame
	void Update () {
		Vector3 curPosition = transform.position;

		move = new Vector3(1, 0.0f ,0.0f);
		move.x *= speed;
		move *= direction;
		

			if (curWait == 0) {
						if (Mathf.Abs(startPosition.x - curPosition.x) < patrolDistance)
								transform.position += move;
						else
								curWait = waitTime;
				} else if (curWait == 1) {
						transform.Rotate (Vector3.up * 180);
						direction *= -1;
						transform.position -= move;
						curWait--;
				} else
						curWait--;
	
	}
	void OnTriggerStay2D(Collider2D other) {
		if (other.tag == "Player") {
			Debug.Log(other.name);	
			other.transform.parent.transform.position += move;
		}

	}
}