#define LIMIT 100
void posmath (int *quantity, double *price, char taxable);
void initPOS();

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cmath>
using namespace std;

#include "stdheader.h"
#include "pointofsales.h"

void initPOS(){
        cout << "Point of Sales" << endl;
        cout << "==============\n" << endl;
        int quantity[LIMIT], intCount = 0;
        double price[LIMIT];
        char taxable[LIMIT];
        do {
                cout << "Quantity: ";
                cin >> quantity[intCount];
                if (quantity[intCount] == 0){
                        intCount--;
                        break;
                }
                cout << "Price: ";
                cin >> price[intCount];
                cout << "Taxable [y/n]: ";
                cin >> taxable[intCount];
                intCount++;
        } while (intCount <= LIMIT);
        posmath(quantity, price, *taxable);
}

#include "stdheader.h"
#include "pointofsales.h"

void posmath (int *quantity, double *price, char *taxable){
        int i, tqty = 0;
        double tprice = 0, sprice = 0, ptax[LIMIT], ftax[LIMIT];
        for (i = 0; i <= LIMIT; i++){
                tqty += quantity[i];
                if (*taxable == 'y'){
                        ftax[i] = price[i] * 0.05;
                        ptax[i] = price [i] * 0.08;
                }
                price[i] = price[i] + ftax[i] + ptax[i];
        }

}

void posmath (int *quantity, double *price, char taxable);

void posmath (int *quantity, double *price, char *taxable){

/*  pointofsales.cpp
 *  Workshop1's Point of Sales program file.
 *  Copyright (C) 2009 Adrien Kwok.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License Version 3
 *  as published by the Free Software Foundation.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#include "stdheader.h"
#include "pointofsales.h"

void initPOS(){
        system("cls");
        cout << "Point of Sales" << endl;
        cout << "==============\n" << endl;
        int quantity[LIMIT], intCount = 0;
        double price[LIMIT], ftax[LIMIT], ptax[LIMIT], total = 0, stotal = 0;
        char taxable[LIMIT];
        do {
                cout << "Quantity: ";
                cin >> quantity[intCount];
                if (quantity[intCount] == 0){
                        intCount--;
                        break;
                }
                cout << "Price: ";
                cin >> price[intCount];
                cout << "Taxable [y/n]: ";
                cin >> taxable[intCount];
                intCount++;
        } while (intCount < LIMIT);
        posmath(quantity, price, ftax, ptax, &total, &stotal, taxable);
        cout << "\n" << endl;
        printf("Subtotal: %.2lf\n", stotal);
        printf("GST (5): %.2lf\n", ftax);
        printf("PST (8): %.2lf\n", ptax);
        printf("Total: %.2lf\n", total);
        cout << "\n" << endl;
}

/*  libpos.cpp
 *  Workshop1's Point of Sales library file.
 *  Copyright (C) 2009 Adrien Kwok.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License Version 3
 *  as published by the Free Software Foundation.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
#include "stdheader.h"
#include "pointofsales.h"

void posmath (int quantity[], double price[], double ftax[], double ptax[], double *total, double *stotal, char *taxable){
        int i = 0;
        for (i = 0; i < LIMIT; i++){
                if (*taxable == 'y'){
                        ftax[i] = price[i] * 0.05;
                        ptax[i] = price[i] * 0.08;
                } else {
                        ftax[i] = 0;
                        ptax[i] = 0;
                }
                *stotal += (quantity[i] * price[i]);
                *total += ((*stotal) + ftax[i] + ptax[i]);
        }
}

/*  pointsofsales.h
 *  Workshop1's Point of Sales header file.
 *  Copyright (C) 2009 Adrien Kwok.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License Version 3
 *  as published by the Free Software Foundation.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
#define LIMIT 100
void posmath(int quantity[], double price[], double ftax[], double ptax[], double *total, double *stotal, char *taxable);
void initPOS();