using UnityEngine;
using System.Collections;

public class Inventory : MonoBehaviour {

	public static int charge=0;
	public AudioClip collectSound;
	public Texture2D[] hudCharge;
	public GUITexture chargeHudGUI;

	public Texture2D[] meterCharge;
	public Renderer meter;

	bool haveMatches = false;
	public GUITexture matchGUIprefab;
	GUITexture matchGUI;
	public GUIText textHints;
	bool fireIsLit = false;

	// Use this for initialization
	void Start () {
		charge = 0;
	}
	
	// Update is called once per frame
	void Update () {
	
	}

	void CellPickup(){
		HUDon ();
		AudioSource .PlayClipAtPoint (collectSound, transform.position);

		charge++;
		chargeHudGUI.texture = hudCharge [charge];
		meter.material.mainTexture = meterCharge [charge];
	}

	void HUDon(){
		if (!chargeHudGUI.enabled) {
			chargeHudGUI.enabled =true;
		}
	}

	void MatchPickup() {
		haveMatches = true;
		//AudioSource.PlayClipAtPoint (collectSound, transform.position);
		GUITexture matchHUD = Instantiate (matchGUIprefab,
		                                   new Vector3 (0.15f, 0.1f, 0), transform.rotation) as GUITexture;
		matchGUI = matchHUD;
	}

	void OnControllerColliderHit(ControllerColliderHit col) {
		if (col.gameObject.name == "campfire") {
			if (haveMatches && !fireIsLit) {
				LightFire(col.gameObject);
			} else if (!haveMatches && !fireIsLit) {
				textHints.SendMessage("ShowHint",
				                      "I could use this campfire to signal for help... " +
				                      "if only I could light it...");
			}
		}
	}

	void LightFire(GameObject campfire) {
		ParticleSystem[] pSystems;
		pSystems = campfire.GetComponentsInChildren<ParticleSystem> ();
		foreach (ParticleSystem pSystem in pSystems) {
			pSystem.Play();
		}
		//campfire.audio.Play ();
		Destroy (matchGUI);
		haveMatches = false;
		fireIsLit = true;
	}
}