#include <iostream>
using namespace std;
int withoutDiscount, discountedPrice, Deliveryprice, deliverycharge, vouchercheck, vouchervalid, E, $, currency;

int main()
{
	void calculateTotalDiscountedGoods();
	void calculateDiscount();
	void checkValidVoucherCode();
	void currencycalculator();
	cout << ("Order value without discount: " << char(156));
	cin >> (withoutDiscount);
	cout << ("Enter Voucher Code: " << char(156));
	cin >> (checkValidVoucherCode);
	cout << ("Order value with discount: " << char(156));
	cin >> (discountedPrice);
	calculateDiscount();
	currencycalculator();
	checkValidVoucherCode();
	calculateTotalDiscountedGoods();

}

void currencycalculator()
{
	if (withdiscount > 0)
	{
		cout << ("Currency('E' for euros, '$' for dollars or '#' for N / A) : $");
		cin >> (currency);
		char currency = 'E', '$', '#';
		switch withdiscount
		case'E':
			cout << ("Cost in Euro ", withoutDiscount)
			withoutDiscount * 1.1;
			break;
		case'$':
				withoutDiscount * 1.22;
			cout << ("Cost in dollars: ", withoutDiscount)
				break;
		case'#':
				withoutDiscount;
				break;
	else
		cout("ERROR: Currency unknown!");
}

void calculateDiscount()
{
	if (withoutDiscount =< 30)
	{
		withoutDiscount / 0.2;
		cout << ("\nOrder value with discount: " << char(156));
		cout << (discountedPrice);
	}
	else
		if (withoutDiscount > 30 && < 61) {
			withoutDiscount / 0.3;
			cout << ("\nOrder value with discount:char(156) ");
			cout << (discountedPrice);
		}
		else
			if (withoutDiscount >= 60)
			{
				withoutDiscount / 0.5;
				cout << "\nOrder value with discount: ";
				cout << (discountedPrice);
			}

			else if (withoutDiscount <= 0)
			{



				cout << "\nERROR: The order value should be a positive number!;
			}
}

void calculateTotalDiscountedGoods()
{
	discountedPrice + deliverycharge;
}

void deliverycharge()
{
	if(vouchervalid == 0)
	cout << ("Delivery Charge:" << char(156) "6.50")
	else
		cout << ("Delivery Charge:" << char(156) "0.00")
}

void checkValidVoucherCode()
{
	if (checkValidVoucherCode >= 1000 && <= 9999)
	set(vouchervalid == 1);
	cout << ("Voucher code: #", checkValidVoucherCode)
	cout << ("Valid voucher - free delivery.")
	cout << ("Delivery Charge:" << char(156) "0.00")
	cout << ("To Pay: "<< char(156), calculateTotalDiscountedGoods)
	else {
		set(vouchervalid == 0)
			cout << ("Voucher code:#", checkValidVoucherCode)
			cout << ("Invalid voucher.")
			cout << ("Delivery Charge:" << char(156) "6.50")
			cout << ("To Pay: " << char(156), calculateTotalDiscountedGoods)
			system("Pause");
	}
}