using UnityEngine;
using System.Collections;

public class Shooting : MonoBehaviour {

    //All
    public GameObject laserBeam;
    public float shootingForce;
    public bool inDelay;
    public float shootingDelay = 1f;
    public GameObject mainUFO;

    //Arrays
    public GameObject[] healthObjects;
    public int[] healthCounts;
    public GameObject[] enemyUfos;

    //Components
    Rigidbody rb;
    RaycastHit hit;
    AudioSource audioSource;

    //Array 0 = Mave
    //Array 1 = MillenniumFalcon

    void Start ()
    {
        inDelay = false;
        audioSource = GetComponent<AudioSource>();
        healthCounts[0] = 100;
        healthCounts[1] = 100;
    }

    void Update ()
    {
        healthObjects[0].transform.rotation = Quaternion.LookRotation(healthObjects[0].transform.position - mainUFO.transform.position);

        if (Input.GetMouseButton(0))
        {
            if (!inDelay)
            {
                StartCoroutine(newShooting());
                if (Physics.Raycast(Camera.main.transform.position, Camera.main.transform.forward, out hit))
                {
                    if (hit.transform.tag == "Mave")
                    {
                        healthCounts[0] -= 10;
                        healthObjects[0].GetComponent<TextMesh>().text = healthCounts[0].ToString();

                        if (healthCounts[0] <= 0)
                        {
                            Object.Destroy(enemyUfos[0]);
                        }
                    }
                }
            }
        }
    }

    IEnumerator newShooting ()
    {
        GameObject newLaserBeam = Instantiate(laserBeam, new Vector3(transform.position.x, transform.position.y, transform.position.z), transform.rotation) as GameObject;
        newLaserBeam.transform.Translate(Vector3.forward * Time.deltaTime, Space.World);

        rb = newLaserBeam.GetComponent<Rigidbody>();
        rb.AddForce(transform.forward * shootingForce);

        audioSource.Play();

        inDelay = true;
        yield return new WaitForSeconds(shootingDelay);
        inDelay = false;

        yield return new WaitForSeconds(2);
        Object.Destroy(newLaserBeam);
    }

}