#include <fstream>
#include <string>
#include <iostream>

using namespace std;

int myexit = 0;
int menu();
int numElements = 6;
void writefile();
void readfile();

struct pref
{
	string setting;
	int value;
};

ostream& operator << (ostream& str_out, pref& d)
{
	str_out << d.setting << endl;
	str_out << d.value << endl;
	return(str_out);
};

istream& operator >> (istream& str_in, pref& d)
{
	str_in >> d.setting;
	str_in >> d.value;
	return (str_in);
}

int main()
{
	while (myexit < 3)
	{
		int choice = menu();
		if(choice == 3)
		{
			myexit = 3;
		}
		if(choice == 1)
		{
			writefile();
		}
		if(choice == 2)
		{
			readfile();
		}
	}
	return (0);
}

int menu()
{
	int x;
	cout << endl << "Please Select" << endl << "_____________" << endl 
        << endl << "1) Write File" << endl << "2) Read File" << endl 
        << "3) Quit" << endl << endl << "? : ";
	cin >> x;
	return (x);
}


void writefile()
{
	struct pref preferences[6] = 
	{
		{"VideoMode",1},
		{"MusicVolume",1},
		{"EffectVolume",1},
		{"TopScore1",25},
		{"TopScore2",20},
		{"TopScore3",10}
	};
	int x;
	char filename[20] = "prefs.dat";
	int mode = (ios::out | ios::binary);

	fstream fout(filename, mode);
	for (x = 0; x < numElements; x++)
	{
		fout << preferences[x];
	}
	fout.close();

	cout << "Data written to file..." << endl;
}

void readfile()
{
	char filename[20] = "prefs.dat";
	struct pref preferences;
	int mode = (ios::in | ios::binary);

	fstream fin(filename, mode);
	if(!fin)
		cerr << "unable to open file!";

	cout << endl;
	while (fin >> preferences)
	{
		cout << preferences;
	}
	cout << endl << endl << "____________________________________" << endl << endl;

	int x;
	for (x = 0; x < numElements; x++)
	{
		cout << "Setting : ";
		cout << preferences.setting;
		cout << " -=- ";
		cout << preferences.value;
		cout << endl;
	}

	cout << endl;

	fin.close();
}