using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class Shooting : MonoBehaviour {

    //All
    public GameObject laserBeam;
    public float shootingForce;
    public bool inDelay;
    public float shootingDelay = 1f;
    public int healthCount = 100;
    public GameObject mainUFO;

    //Arrays
    public GameObject[] enemyUfos;
    public List<GameObject> newUfos = new List<GameObject>();
    public GameObject[] spawnPoints;

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

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

    void Start ()
    {
        InvokeRepeating("newEnemySpawn", 2, 8f);

        inDelay = false;
        audioSource = GetComponent<AudioSource>();
    }

    void newEnemySpawn()
    {
        int randomInt = Random.Range(0, 19);

        GameObject newUfo = Instantiate(enemyUfos[Random.Range(0, 2)], new Vector3(spawnPoints[randomInt].transform.position.x, spawnPoints[randomInt].transform.position.y, spawnPoints[randomInt].transform.position.z), Quaternion.identity) as GameObject;
        newUfos.Add(newUfo);
    }

    void Update ()
    {
        for (int i = 0; i < newUfos.Count; i++)
        {
            Transform getChild = newUfos[i].gameObject.transform.GetChild(0);
            getChild.transform.rotation = Quaternion.LookRotation(getChild.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))
                {
                    StartCoroutine(shootingDamageDelay());
                }
            }
        }
    }

    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(1);
        Object.Destroy(newLaserBeam);
    }

    IEnumerator shootingDamageDelay ()
    {
        yield return new WaitForSeconds(0.2f);
        hit.transform.SendMessage("recDamage");
    }

}