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

public class NexusSkillManager : MonoBehaviour {



	public GameObject shield;

	public List<Skill> skills;

	private GameMaster gm;
	private GameObject nexus;

	void Start()
	{
		gm = FindObjectOfType<GameMaster>();
		nexus = GameObject.FindGameObjectWithTag("Nexus");
	}

	void Update()
	{
		if (Input.GetKeyDown(KeyCode.Alpha1) && skills[0].currentCoolDown >= skills[0].cooldown)
		{
				skills[0].currentCoolDown = 0;
				skills[0].isClick = true;

				StartCoroutine("useSkill", 5);
		}

		if (Input.GetKeyDown(KeyCode.Alpha2) && skills[1].currentCoolDown >= skills[1].cooldown)
		{
				skills[1].currentCoolDown = 0;
				skills[1].isClick = true;

				StartCoroutine("useSkill", 3);
		}

		if (Input.GetKeyDown(KeyCode.Alpha3) && skills[2].currentCoolDown >= skills[2].cooldown)
		{
				skills[2].currentCoolDown = 0;
				skills[2].isClick = true;

				StartCoroutine("useSkill", 0);
		}


		foreach(Skill s in skills)
		{
			if(s.currentCoolDown < s.cooldown)
			{
				s.currentCoolDown += Time.deltaTime;
				s.skillIcon.fillAmount = s.currentCoolDown / s.cooldown;
			}
		}

	}


	public IEnumerator useSkill(float sec)
	{
		if (skills[0].isClick)					//Shield Skill
		{
			shield.SetActive(true);
			nexus.GetComponent<BoxCollider2D>().enabled = false;

			yield return new WaitForSeconds(sec);

			shield.SetActive(false);
			nexus.GetComponent<BoxCollider2D>().enabled = true;

			skills[0].isClick = false;
		}

		if (skills[1].isClick)					//Slowmotion Skill
		{
			Time.timeScale = 0.3f;
			gm.GetComponent<AudioSource>().pitch = 0.8f;

			yield return new WaitForSeconds(sec);

			gm.GetComponent<AudioSource>().pitch = 1f;
			Time.timeScale = 1f;
			skills[1].isClick = false;
		}

		if (skills[2].isClick)
		{
			nexus.GetComponent<NexusMaster>().curHP += 20;
		}
	}

}




[System.Serializable]
public class Skill
 {
 	public float cooldown;
 	public bool isClick;
 	public Image skillIcon;

 	[HideInInspector]
	public float currentCoolDown;

 }