import org.osbot.rs07.script.Script;
import org.osbot.rs07.script.ScriptManifest;
import org.osbot.rs07.api.model.Item;




import org.osbot.rs07.api.util.ItemContainer;

import java.awt.*;
@ScriptManifest(author = "Senpai Jinkusu", info = "smelts steel in a furnace", name = "Steel Smelter", version = 0, logo = "")
public class main extends Script {
 int coal;
 int iron;


    @Override
    public void onStart() {


    }

<T extends ItemContainer>int getOreCount (int mode, T itemContainer )
 {
	try
	{
	 this.coal = 0;
	 this.iron = 0;

Item[] Items = itemContainer.getItems();



		for (Item i : Items)
		{
		if (i.getId() == 440 || i.getId() == 441)
		{
			iron++;
		}
		if (i.getId() == 453 || i.getId() == 454)
		 {
			 coal++;
		 }
		}


  switch(mode)
	{
	case 0:
		return iron;
	default:
		return coal;
	}
	}
	catch (NullPointerException e)

	{
		for (StackTraceElement ste : Thread.currentThread().getStackTrace()) {
		    log(ste);
		}


	}
return -1;
 }
//returns a non negative number on success

    @Override
    public int onLoop() throws InterruptedException {



log (getOreCount(0,inventory));
        return random(200, 300);
    }

    @Override
    public void onExit() {
        log("debug");
    }

    @Override
    public void onPaint(Graphics2D g) {

    }

}