// script.linediscount
//
//   Chromis POS - The New Face of Open Source POS 
//   Copyright (c) (c) 2015-2016Chromis , previous uniCenta & Openbravo POS works   
//
//   This file is part of chromis oPOS
//
//   Chromis POS is free software: you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation, either version 3 of the License, or
//   (at your option) any later version.
//
//   Chromis POS is distributed in the hope that it will be useful,
//   but WITHOUT ANY WARRANTY; without even the implied warranty of
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//   GNU General Public License for more details.
//
//   You should have received a copy of the GNU General Public License
//   along with Chromis POS.  If not, see <http://www.gnu.org/licenses/>.
// **************************************************************************
// This script applies UsersInput %Discount for the Item Line value
// To use in the sales screen: Highlight the line you want to discount
// Then Tap in the %Discount amount and touch the % button

import uk.chromis.format.Formats;
import uk.chromis.pos.ticket.TicketLineInfo;
import uk.chromis.pos.ticket.TicketProductInfo;

discountrate = 1 - (sales.getInputValue())/100;

index = sales.getSelectedIndex();

if (index >= 0) {
    if (ticket.getTotal() > 0.0 && discountrate > 0.0) {
        sdiscount = Formats.PERCENT.formatValue((1-discountrate));
        line = ticket.getLine(index);

        if (line.canDiscount()){
            line.setPrice( line.getPrice() * discountrate *100 /100d );
            line.setDiscounted("yes");
            line.setRabatt( String.valueOf( sales.getInputValue() ));
            line.setProductName(line.getProductName() + " - " + sdiscount);
        }
    } else {
         java.awt.Toolkit.getDefaultToolkit().beep();
    }
} else {
    java.awt.Toolkit.getDefaultToolkit().beep();
}