using UnityEngine;
using System.Collections;

public class Pistol : PickableItem {
    public AudioSource audioOutput;
    public RandomSoundPlayer shootSound;
    public AudioClip reloadSound;
    public Transform shootTransform;
    public Animator flash;
    private bool flashVisible;
    public float shotMaxDistance = 150;
    public float singleShotPeriod = 0.5f;
    private float _lastShotTime;
    public LayerMask shootMask;
    public float hitForce = 1000;
    public float hitPoints = 15;

    public override void OnBeginUse() {
        base.OnBeginUse();

        if (Time.time - _lastShotTime >= singleShotPeriod) {
            Shoot();
            _lastShotTime = Time.time;
        }
       
    }

    // Use this for initialization
	protected override void Start () {
	    base.Start();
      //  flash.SetActive(false);
	}
	
	// Update is called once per frame
	void Update () {
	
	}

    public void Shoot() {
        if (shootSound != null) {
            shootSound.Play(true);
        }
        if (flash != null) {
            flash.SetTrigger("Shot");
        }
        Vector3 right = transform.localToWorldMatrix.MultiplyVector(Vector3.right).normalized;
      
        var hit = Physics2D.Raycast(shootTransform.position, right, shotMaxDistance, shootMask);
        if (hit != null) {
            //apply force
            if (hit.rigidbody != null) {
                Debug.Log("Add shoot force to object " + hit.transform.name);
                hit.rigidbody.AddForceAtPosition(right * hitForce, hit.point);
            }

            //apply hit points
            if (hit.transform != null) {
                var health = hit.transform.gameObject.GetComponent<Health>();
                if (health != null) {
                    health.ApplyDamage(hitPoints);
                }
            }
          
        }
        flashVisible = true;
    }

 

    void OnDrawGizmos() {
       // if (equipped) {
        if (shootTransform != null) {
            Vector3 right = transform.localToWorldMatrix.MultiplyVector(Vector3.right).normalized;
            Gizmos.DrawLine(shootTransform.position, shootTransform.position + right * shotMaxDistance);
        }
            
       // }
    }
}