#include <iostream>
#include <fstream>
#include <string>
#include <cstdlib>
#include <iomanip>
#include <vector>
#include <algorithm>
using namespace std;

class Employee
{
 
  private: 
    int id;
    char sex;
	float wage;
	int years;    


  public:
    Employee(){dataStore(00000000, 'M', 00.00, 0);};
    Employee(int, char, float, int);
    void dataStore(int , char , float, int);
    int retrieveID() {return id;};
    char retrieveSex() {return sex;};
	double retrieveWage() {return wage;};
    int retrieveYears() {return years;};

};

 Employee::Employee(int in_id, char in_sex, float in_wage, int in_years)
 {
      dataStore(in_id, in_sex, in_wage, in_years);
 }

 void Employee::dataStore(int in_id, char in_sex, float in_wage, int in_years)
 {
      id = in_id;
      sex = in_sex;
      wage = in_wage;
      years = in_years;
 }

int main()                       
{
  const int TOTAL = 3;
  Employee holder;
  
  int i, j, k, id, years;
  float wage;
  char sex;
  Employee holder2;
  Employee Employees[TOTAL]; 
  
  string filename="save.txt";
  ofstream file(filename.c_str());  
  
    for(i=0; i<3; i++)
	{
		cout << "Please enter the following Employee information:" << endl;
		cout << "\nEmployee ID No: ";
		cin >> id;
		cout << "\nEmployee Sex (M or F): ";
		cin >> sex;

		while((sex != 'M') && (sex != 'm') && (sex != 'F') && (sex != 'f'))
		{
			cout << "Must be M or F. Please retry: ";
			cin >> sex;
		}

		cout << "\nEmployee Numeric Wage: ";
		cin >> wage;
		cout << "\nYears with Company: ";
		cin >> years;
		cout << endl;
		
		holder = Employee(id, sex, wage, years);
	    Employees[i] = holder;

	}
  
  for (i = (TOTAL - 1); i >= 0; i--)
  {
	  for(j = 1; j <= i ; j++)
	  {

			if(Employees[j-1].retrieveYears() > Employees[j].retrieveYears() )
			{
   			    holder2 = Employees[j-1];			 						   
				Employees[j-1] = Employees[j];
				Employees[j] = holder2;
			}
		  
	  }
  }


    cout << "You have entered:" <<endl;
	cout <<"Employee ID       " << "Employee Sex         " << "Numeric Wage        "  << "Years with Company" << endl;
	cout << "-----------       " << "------------         " << "------------        " << "------------------" << endl;

	for(k=0; k<3; k++)
	{
		cout << setw(11) << right << Employees[k].retrieveID() << "       "	<< setw(12) 
        << char(toupper(Employees[k].retrieveSex())) << "         " << "$  " << setw(9) << fixed 
        <<	setprecision(2) << right << Employees[k].retrieveWage() << "        " << setw(18) 
        <<	right << Employees[k].retrieveYears() << endl;
	}

  cout << "\nWould you like to write the information to a file? This will overwrite the file." << "Would you like to continue? (y/n) : " ;
	char response;
	cin >> response;

	while((response !='N') && (response!='n') && (response!='Y') && (response!='y'))
	{
		cout << "Must enter Y or N: ";
		cin >> response;
	}

	if( response == 'Y' || response == 'y')
	{
		
		file.open("save.txt");

		if(file.fail())
		{
			cout << "\nThe file was not succesfully saved." << endl;
		}

		else
		{
		    for(k=0; k < TOTAL; k++)
			{
				file << Employees[k].retrieveID() << " " 
                << char(toupper(Employees[k].retrieveSex())) << " " 
                << Employees[k].retrieveWage() << " " 
                << Employees[k].retrieveWage() << endl;
			}

			file.close();
		

		cout << "\nThe file has been written successfully." << endl;
	}
}

	else
	{
		cout << "\nThe file has not been written." << endl;
	}

  system("PAUSE");
  return 0;
}