//    Chromis POS  - The New Face of Open Source POS
//    Copyright (c) (c) 2015-2016
//    http://www.chromis.co.uk
//
//    This file is part of Chromis POS
//
//     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/>.
package uk.chromis.pos.payment;

import java.util.Iterator;
import java.util.LinkedList;

/**
 *
 *
 */
public class PaymentInfoList {

    private final LinkedList<PaymentInfo> m_apayment;
    private LinkedList<PaymentInfo> tmp_apayment;

    /**
     * Creates a new instance of PaymentInfoComposed
     */
    public PaymentInfoList() {
        m_apayment = new LinkedList<>();
    }

    /**
     *
     * @return
     */
    public double getTotal() {

        double dTotal = 0.0;
        Iterator i = m_apayment.iterator();
        while (i.hasNext()) {
            PaymentInfo p = (PaymentInfo) i.next();
            dTotal += p.getTotal();
        }

        return dTotal;
    }

    /**
     *
     * @return
     */
    public boolean isEmpty() {
        return m_apayment.isEmpty();
    }

    /**
     *
     * @param p
     */
    public void add(PaymentInfo p) {
        m_apayment.addLast(p);
    }

    /**
     *
     */
    public void removeLast() {
        m_apayment.removeLast();
    }

    public void sortPayments(Double m_dTotal) {
        tmp_apayment = (LinkedList<PaymentInfo>) m_apayment.clone();
        m_apayment.clear();
        double dPaidOther = 0.0;
        double dPaidCash = 0.0;
        Boolean cash = false;
        for (PaymentInfo p : tmp_apayment) {
            if (!p.getName().equals("cash")) {
                m_apayment.add(p);
                dPaidOther = dPaidOther + p.getTotal();
            } else {
                cash = true;
                dPaidCash = dPaidCash + p.getPaid();
            }
        }
        if (cash) {
            if (dPaidOther == 0.00) {
                m_apayment.add(new PaymentInfoCash_original(m_dTotal, dPaidCash));
            } else {
                m_apayment.add(new PaymentInfoCash_original(m_dTotal - dPaidOther, dPaidCash));
            }
        }

    }

    /**
     *
     * @return
     */
    public LinkedList<PaymentInfo> getPayments() {
        return m_apayment;
    }
}