using UnityEngine;
using System.Collections;

public class Grabber : Weapon
{
    public GameObject parent;
    private bool isEnabled = true;

    //Grab related
    public GameObject grabbedObject = null;

    public Grabber(GameObject parent)
    {
        prefab = Utils.staticVars.grabber;
        name = "grabber";
        this.parent = parent;
        gunObject = (GameObject)Network.Instantiate(prefab, parent.transform.position, Quaternion.identity, 0);
        gunObject.transform.parent = parent.transform;
    }

    public override void PrimaryFire()
    {
        if (grabbedObject == null)
        {
            RaycastHit rayCastHit;
            Physics.Raycast(parent.camera.ViewportPointToRay(new Vector3(0.5f, 0.5f, 2f)), out rayCastHit);
            if (rayCastHit.collider.gameObject.tag == "Pickable")
            {
                grabbedObject = rayCastHit.collider.gameObject;
                grabbedObject.transform.parent = parent.transform;
            }
            else
            {
                grabbedObject = null;
            }
        }
        else
        {
            grabbedObject.transform.parent = null;
            grabbedObject = null;
        }
    }

    public override void SecondaryFire()
    {
        if (grabbedObject != null)
        {
            grabbedObject.transform.parent = null;
            grabbedObject = null;
        }
    }

    public override void Unequip()
    {
        //gunObject.renderer.enabled = false;
        isEnabled = false;
        grabbedObject.transform.parent = null;
        grabbedObject = null;
    }

    public override void Eqiup()
    {
        //gunObject.renderer.enabled = true;

        isEnabled = true;
        grabbedObject = null;
    }

    public override void OnUpdate()
    {
        if (grabbedObject != null)
        {
            grabbedObject.rigidbody.velocity = Vector3.zero;
            grabbedObject.rigidbody.angularVelocity = Vector3.zero;
            Vector3 inFrontOfCamera = parent.camera.ViewportToWorldPoint(new Vector3(0.5F, 0.5F, 2));
            grabbedObject.transform.position = inFrontOfCamera;
            grabbedObject.rigidbody.position = inFrontOfCamera;
        }
    }

}