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#ifndef CURRENCY_H
#define CURRENCY_H
#include <iostream>
#include <iomanip>
#include "clear.hpp"
using std::cout;
using std::cin;
using std::endl;
using std::fixed;
using std::setprecision;
inline void ConvertOther(int convertTo, double &value) {
switch (convertTo)
{
case 2:
value = value * 1.377;
break;
case 3:
value = value * .9398;
break;
case 4:
value = value * .8032;
break;
case 5:
value = value * 83.61;
break;
case 6:
value = value * 1.547;
break;
case 7:
value = value * .9144;
break;
default:
break;
}
}
inline void ConvertUSD(int original, double &value) {
switch (original)
{
case 2:
value = value / 1.377;
break;
case 3:
value = value / .9398;
break;
case 4:
value = value / .8032;
break;
case 5:
value = value / 83.61;
break;
case 6:
value = value / 1.547;
break;
case 7:
value = value / .9144;
break;
default:
break;
}
}
inline void CurrencyName(int convertTo) {
switch (convertTo)
{
case 1:
cout << "USD";
break;
case 2:
cout << "CAD";
break;
case 3:
cout << "EUR";
break;
case 4:
cout << "GBP";
break;
case 5:
cout << "INR";
break;
case 6:
cout << "AUD";
break;
case 7:
cout << "CHF";
break;
default:
break;
}
}
inline void Convert(int original, int convertTo, double &value) {
ConvertUSD(original, value);
ConvertOther(convertTo,value);
}
inline int ValidateInput(int input) {
cin >> input;
while (input < 1 || input > 8)
{
cout << "\nInvalid Option, please pick again: ";
cin >> input;
}
return input;
}
inline void Input (int &original, int &convertTo, double &value)
{
cout << "*********************************************************************" << endl;
cout << "1. USD\n2. CAD\n3. EUR\n4. GBP\n5. INR\n6. AUD\n7.CHF\n";
cout << "Pick the number of the input currency: ";
original = ValidateInput(original);
cout << "\nWhat is the value of this currency to two decimal places: ";
cin >> value;
cout << "\nPick the number of the currency to convert to: ";
convertTo = ValidateInput(convertTo);
}
inline void PickCurrency() {
int original = 0;
double value = 0;
int convertTo = 0;
ClearScreen();
Input(original, convertTo, value);
if (original != convertTo)
Convert(original, convertTo, value);
ClearScreen();
cout << "The converted value is " << fixed << setprecision(2) << value << " in ";
CurrencyName(convertTo);
cout << "." << endl;
WaitEnter();
}
#endif
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