using UnityEngine;
using System.Collections;



public class PlayerController : MonoBehaviour {


	//Public Vars
	[SerializeField]
	public Rigidbody2D arrowpoint;
	[SerializeField]
	public Camera camera;
	[SerializeField]
	public Rigidbody2D arrow;
	public static bool shoot;
	public Vector3 mousePosition;
	public PlayerController play;

	//Private Vars

	private Vector3 direction;
	private float distanceFromObject;
	private float angle;
	private Rigidbody2D rigidbody;
	private bool isAiming;
	private bool rotating;
	private Animator anim;


	public Vector3 dir;
	public bool test;


	void Start() {
		rigidbody = GetComponent<Rigidbody2D> ();
		anim = GetComponent<Animator> ();
		shoot = false;
		test = true;
		rotating = false;
	}

	void FixedUpdate() {

		HandleRotation ();


	}

	void Update(){
		HandleShoot();
		AddPower ();
		HandleController ();
		ArrowFlight();
	}

	void HandleRotation(){

		if (Input.GetMouseButton (0)) {


			if (ArrowControl.thrust < 1000f) {
				ArrowControl.thrust++;
				ArrowControl.thrust++;
			} else {
				ArrowControl.thrust = Random.Range (900f, 1000f);
			}



			isAiming = true;

			Vector3 pos = Camera.main.WorldToScreenPoint (transform.position);
			Vector3 dir = Input.mousePosition - pos;
			angle = Mathf.Atan2 (dir.y, dir.x) * Mathf.Rad2Deg;
		    transform.rotation = Quaternion.AngleAxis (Mathf.Clamp(angle, -6, 53), Vector3.forward);
			if (test) {
				Instantiate (arrow, arrowpoint.position, Quaternion.AngleAxis (angle, Vector3.forward));

				test = false;
			}
			if (ArrowControl.arrow_instantiated)
				ArrowControl.arrowrb.transform.position = arrowpoint.position;

		}

	}


	void HandleShoot()
	{

		if (isAiming) {
			anim.SetBool("Aiming", true);

		}
		if (Input.GetMouseButtonUp (0)) {
			shoot = true;

			isAiming = false;
			anim.SetBool ("Aiming", false);


		}

	}
	void AddPower(){

		if (shoot) {
			ArrowControl.arrow_instantiated = false;

			rotating = true;
			Vector3 pos = Camera.main.WorldToScreenPoint(transform.position);
			Vector3 dir = Input.mousePosition - pos;
			angle = Mathf.Atan2(dir.y, dir.x) * Mathf.Rad2Deg;
			ArrowControl.arrowrb.AddForce(dir.normalized * ArrowControl.thrust);
			ArrowControl.arrowrb.gravityScale = 1f;

			test = true;
		}
	}
	void HandleController(){
		shoot = false;
	}
	void ArrowFlight(){
		float t = ArrowControl.thrust * Mathf.Sin (angle*Mathf.Deg2Rad);
		Quaternion temp = ArrowControl.arrowrb.transform.rotation;
		if (temp.z > angle && temp.z < 360 - angle) {
			temp.z -= 4 * angle * Time.deltaTime / t;
		} else {
			temp.z -= 2 * angle * Mathf.Sin (Mathf.PI / 2) * Mathf.Sin (Mathf.PI * Time.deltaTime / (2 * t));
		}
		ArrowControl.arrowrb.transform.rotation = temp;
	}

}