using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.SceneManagement;

public class Manager : MonoBehaviour {

    public GameObject ninja;
    GameObject[] spawns;
    public float timer;

    int spawnCount = 4;

    public int cash = 20;
    public int round = 0;
    public GameObject cashUI;
    public GameObject roundUI;

    public AudioSource source;
    public AudioClip[] clip;

    bool allDead;

    // Use this for initialization
    void Start () {
        spawns = GameObject.FindGameObjectsWithTag ("spawn");
        StartCoroutine(Spawn ());
    }

    // Update is called once per frame
    void Update () {
        cashUI.GetComponent<Text> ().text = "$" + cash.ToString ();
        roundUI.GetComponent<Text> ().text = "round: " + round.ToString ();

        if (GameObject.FindGameObjectsWithTag ("ninja").Length <= 0) {
            allDead = true;
        } else {
            allDead = false;
        }
    }

    public void CashIn(int income){
        cash += income;
    }

    IEnumerator Spawn(){

        round++;
        for (int i = 0; i < spawnCount; i++) {
            yield return new WaitForSeconds (Random.Range (0, 3));
            GameObject mySpawn = spawns [Random.Range (0, spawns.Length)];
            Instantiate (ninja, mySpawn.transform.position, mySpawn.transform.rotation);
        }
        while (allDead != true) {
            yield return null;
        }
        spawns = GameObject.FindGameObjectsWithTag ("spawn");
        spawnCount += 3;
        yield return new WaitForSeconds (timer);
        StartCoroutine(Spawn ());
    }

    public void Sound(int num){
        source.PlayOneShot (clip [num]);
        if (num == 2) {
            StartCoroutine (Restart());
        }
    }

    IEnumerator Restart(){
        yield return new WaitForSeconds(3.0f);
        SceneManager.LoadSceneAsync (0);

    }
}