using UnityEngine;
using System.Collections;

public class PlayerController : MonoBehaviour {

	public Joystick JoyMove;
	public Joystick JoyRotate;

	public float moveSpeed = 1;
	private float rotateLeftRight = 0;
	private float rotateUpDown = 0;
	private float rotateSpeed = 50.0f;
	private GameObject cameraObject;
	public Button jumpButton;
	private CharacterController c;
	public CrossHair crosshair;
	private GameObject weaponSpot;
	private Gun[] guns;
	private Gun activeGun;
	private GunStats stats;
	private Vector3 speedVector = Vector3.zero;
	public float jumpForce = 8.0f;

	// Use this for initialization
	void Start () {
		cameraObject = gameObject.transform.Find ("Camera").gameObject;
		rotateUpDown = transform.localEulerAngles.x;
		rotateLeftRight = transform.localEulerAngles.y;
		c = gameObject.GetComponent<CharacterController> ();
		stats = gameObject.GetComponent<GunStats> ();
		weaponSpot = Utils.FindChildRecursive (gameObject, "WeaponSpot");
		guns = weaponSpot.GetComponentsInChildren<Gun> (true);
		foreach (var gun in guns) {
			gun.gameObject.SetActive(false);
		}
		SwitchGun (0);
	}
	
	// Update is called once per frame
	void Update () {

		if (c.isGrounded) {
			float angle = Mathf.Rad2Deg * JoyMove.Angle;
			var forward = transform.forward;
			Quaternion rotation = Quaternion.AngleAxis (angle, Vector3.up);
			speedVector = (rotation * forward);
			speedVector.y = 0;
			speedVector = speedVector.normalized * (JoyMove.Value *  moveSpeed);

			if(jumpButton.Pressed){
				speedVector.y = jumpForce;
			}
		} 

		speedVector.y -= 9.8f * (Time.deltaTime);
		c.Move (speedVector * Time.deltaTime);

		if (JoyRotate != null && JoyRotate.Value != 0.0f) {
			rotateLeftRight += JoyRotate.ValueX * (rotateSpeed * Time.deltaTime);
			rotateUpDown += JoyRotate.ValueY * (rotateSpeed * Time.deltaTime);
			rotateUpDown = Mathf.Clamp(rotateUpDown, -90.0f, 90.0f);

			cameraObject.transform.localEulerAngles = new Vector3(rotateUpDown,0, 0);
			transform.localEulerAngles = new Vector3(0,rotateLeftRight, 0);
		}

	}

	public void SwitchGun(int id){
		if (activeGun == guns[id]) {
			return;
		}
		if (activeGun != null) {
			activeGun.gameObject.SetActive(false);
		}

		activeGun = guns[id];
		activeGun.gameObject.SetActive(true);
		stats.SetGun (activeGun);
		//Destroy (weaponSpot.transform.GetChild (0));
		//guns
	}

	void OnDrawGizmos(){
		if (c == null) {
			c = gameObject.GetComponent<CharacterController> ();
		}
		if(c != null){
			Gizmos.DrawWireCube (c.center + transform.position, new Vector3 (c.radius * 2, c.height, c.radius * 2));
		}

	}
}