// File: 	State.h
// Description: State class function declarations

#ifndef H_stateClass
#define H_stateClass

#include "Date.h"
#include <iostream>
#include <string>

using namespace std;


class State
{

public:

  //********** functors created here *********** 

  // less than by capital
  struct ByCap : public binary_function<State, State, bool>
  {
    bool operator()
    (State x, State y) {return (x.getCap() < y.getCap());}
  };
  
  //less than by population
  struct ByPop : public binary_function<State, State, bool>
  {
    bool operator()
    (State x, State y) {return (x.getPopRank() < y.getPopRank());}
  }; 
  
  //less than by Area 
  struct ByArea : public binary_function<State, State, bool>
  {
    bool operator()(State x, State y) 
    {return (x.getAreaRank() < y.getAreaRank());}
  };
  
  //less than by Date Admitted 
  struct ByDate : public binary_function<State, State, bool>
  {
    bool operator()(State x, State y) 
    {return (x.getAdmitOrder() < y.getAdmitOrder());}
  };
  //********* end functors ***********
   
	State();			//basic constructor
	string getName();		//returns stateName
	string getCap();		//returns stateCapital
	int getPopRank();		//returns popRank
	int getAreaRank();		//returns areaRank
	int getAdmitOrder();		//returns admittOrder
	
	bool operator<(const State&) const;	//compare state names
	bool operator<(const string&) const;	// <op with string for stl find
	bool operator>(string);		//compare state name and key
	bool operator==(string);	//compare for state name and 
					//key equality on State and string
	bool operator==(State);		//compare for state name and 
					//key equality on States

	long getPop();

private:

	Date   AdmDate;
	string stateName, stateCapital;
	int    popRank, areaRank, admittOrder;

	float popDensity;
	long area;
	int totalPop;
//output State objects
friend ostream &operator<<(ostream&, const State &s);

//input State objects
friend istream &operator>>(istream&, State &s);
	

};
	
#endif