var inventory : Array;

private var doWindow : boolean = false;
private var clicked : boolean = false;

public var emptyTex : Texture;

public var inventorySizeX = 4;
public var inventorySizeY = 5;

var iconWidthHeight = 32;
var spacing = 4;

public var offSet = Vector2( 100, 100 );

private var itemImage : Texture2D;

///////////ITEM AUDIO///////////
var soundPotion : AudioClip;

////////////////////////////////

public class InventoryItem{

   var worldObject : GameObject;
   var texRepresentation : Texture2D;
   var ItemName : String;
   var ItemClass : String;
   var ItemDescription : String;
   var Damage : int;
   var Defence : int;
}

function Awake(){
   inventory = new Array(inventorySizeX);

    for( var i = 0; i < inventory.length; i ++ ){
        inventory[i] = new Array(inventorySizeY);
    }
}

function OnGUI() {
   var texToUse : Texture2D;
   var currentInventoryItem : InventoryItem;

    for( var i = 0; i < inventory.length; i ++ ){

        for( var k = 0; k < inventory[i].length; k ++ ){
           currentInventoryItem = inventory[i][k];

            if( inventory[i][k] != null ){
                texToUse = inventory[i][k].texRepresentation;
                _itemName = currentInventoryItem.ItemName;
                _itemClass = currentInventoryItem.ItemClass;
                _itemDamage = currentInventoryItem.Damage;
                _itemDefence = currentInventoryItem.Defence;
            }
       		if (GUI.Button( new Rect(offSet.x+k*(iconWidthHeight+spacing), offSet.y+i*(iconWidthHeight+spacing), iconWidthHeight, iconWidthHeight ), texToUse)){
        	clicked = true;
       	}

        if(clicked && _itemClass == "Melee Weapon"){
        	Debug.Log( _itemName + _itemClass + _itemDamage + _itemDefence);
        	clicked = false;
        }
        if(clicked && _itemClass == "Food"){
        	Debug.Log("Food");
        	animation.CrossFade("Consume",0.2);
        	clicked = false;
        }
        if(clicked && _itemClass == "Potion"){
        	Debug.Log("Potion");
        	SendMessage("Potion");
        	clicked = false;
       }
      	if(clicked && _itemClass == "Helmet"){
        	Debug.Log("Helmet");
        	clicked = false;
       		}
        }
   	}
}

function AddItem( item : InventoryItem ){

    for( var i = 0; i < inventory.length; i ++ )
    {

        for( var k = 0; k < inventory[i].length; k ++ )
        {

           if( inventory[i][k] == null )
            {
                inventory[i][k] = item;
                return;
            }
        }
    }
}

function AddItem( worldObject : GameObject, texRep : Texture2D, itemName : String, itemClass : String, ItemDescription : String, damage : int, defence : int){
   var newItem = new InventoryItem();

    newItem.worldObject = worldObject;
    newItem.texRepresentation = texRep;
    newItem.ItemName = itemName;
    newItem.ItemDescription = ItemDescription;
    newItem.ItemClass = itemClass;
    newItem.Damage = damage;
    newItem.Defence = defence;

   AddItem(newItem);
}

function Potion(){
	   var currentInventoryItem : InventoryItem;

    for( var i = 0; i < inventory.length; i ++ ){

        for( var k = 0; k < inventory[i].length; k ++ ){
           currentInventoryItem = inventory[i][k];

            if( inventory[i][k] != null ){
                _itemName = currentInventoryItem.ItemName;
                _itemClass = currentInventoryItem.ItemClass;
            }
        }
	if(_itemName == "Health Potion"){
	player = GameObject.FindGameObjectWithTag("Player").GetComponent("PlayerHP");
		if (player.hitPoints >= player.maximumHitPoints)
			return;
		animation.CrossFade("Consume",0.2);
		player.hitPoints += 50;
		audio.PlayOneShot(soundPotion);
		player.hitPoints = Mathf.Min(player.hitPoints, player.maximumHitPoints);
		clicked = false;
	}
	if(_itemName == "Gravity Potion"){
		playerMovement = GameObject.FindGameObjectWithTag("Player").GetComponent("AdvancedMovement");
		animation.CrossFade("Consume",0.2);
		playerMovement.gravity = 5;
		audio.PlayOneShot(soundPotion);
		clicked = false;
		yield WaitForSeconds(30);
		playerMovement.gravity = 15;
		}
	}
}