package com.un4;

/**
 * Created by UN4CKN0WL3Z on 22/08/2017.
 */
public class Printer {

    private int tonerLevel;
    private int pagesPrinted;
    private boolean duplex;

    public Printer(int tonerLevel, boolean duplex) {


        if(tonerLevel > -1 && tonerLevel <= 100){
            this.tonerLevel = tonerLevel;
        }else{
            this.tonerLevel = -1;
        }


        this.duplex = duplex;
        this.pagesPrinted = 0;

    }

    public  int addToner(int tonerAmount){
        if(tonerAmount > 0 && tonerAmount <= 100){
            if(this.tonerLevel + tonerAmount > 100){
                return -1;
            }
            this.tonerLevel =+ tonerAmount;
            return this.tonerLevel;
        }else{
            return -1;
        }

    }


    public int printPages(int pages){

        int pagesToPrint = pages;
        if(this.duplex){
            pagesToPrint /= 2;
            System.out.println("Printing in duplex mode");
        }
        this.pagesPrinted += pagesToPrint;
        return pagesToPrint;

    }

    public int getPagesPrinted() {
        return pagesPrinted;
    }
}