class Database
{
public:
	Database(char * file = "states.txt");
	~Database(void);
	void deleteDatabase ();
	void fillDatabase ();
	void insertDatabase (int index, State & tempState);
	void printDatabase ();
private:
	State * list;		// array of states
	int count;			// total count of states
	char * filename;	// input filename
};

class State
{
public:
	State::State();
//	State::State(char * name, int year, char * cap, int popRank);
	State::~State();
	void initState(char * tempName, int tempYear, char * tempCap, int tempPopRank);
	void copyState(State & tempState);
	void printState();
private:
	char * name;	// state name
	int year;		// year of entry into the union
	char * cap;		// state capital
	int popRank;	// population ranking
};

int main(void)
{
 
	Database db;
 
	db.fillDatabase();
	db.printDatabase();
 
	return 0;
}

void Database::fillDatabase ()
{
	char name[80];	// temp variables
	int year;		// to store
	char cap[80];	// input data
	int popRank;		// from file
	int index = 0;	// index into array of State structs
	char array[100]; // temporary storage for file input
	State tempState;
 
	// open file from filename field of db
	// don't need to check for file open success because initDatabase already checked
	ifstream inputFile( filename );
 
	// loop through all the states
	for ( int cnt = 0; cnt < count; cnt++ )
	{
	    // read and parse one line of file into 4 input data fields
		if ( !inputFile.eof() )
		{
			inputFile.getline( array, 100 );
 
			if ( sscanf( array, "%[^,], %d, %[^,], %d",	name, &year, cap, 
				&popRank ) == 4 )
			{
				// if tempState is created successfully from the 4 input data
//				State tempState( name, year, cap, popRank );
				tempState.initState(name, year, cap, popRank);
				insertDatabase (index, tempState);
			}
			else
			{
				cout << "Error with file!" << '\n';
				return;
			}
			index++;
		}
	}
 
 	// close file
 	inputFile.close();
}

void Database::insertDatabase (int index, State & tempState)
{
   // set pCurrent to location to be inserted in array
	State * pCurrent = list + index;
	// copy from state to pCurrent
	pCurrent->copyState( tempState );
 
	return;
}