#include <iostream>
#include <fstream>
#include <strstream>
#include <iomanip>
#include <strings.h>
#include <string.h>
#include "State.h"
#include "Date.h"

using namespace std;

//Constructor to initialize all members to null
State::State()
{
  name = "";
  pop = 0;
  popRank = 0;
  popDensity = 0.0;
  areaOfState = 0;
  areaRank = 0;
  orderOfAdmission = 0;
  capital = "";
}

int State::initBuffer (DelimTextBuffer &buf)
{return(true);	// nothing else need be done
}

template <typename eltType> char *toString(eltType elt)
{ostrstream oss;
 oss << elt << '\0';
 string temp=oss.str();
 char *result=new char[15];
 strcpy(result,temp.c_str());
 return(result);
} 

int State::pack (DelimTextBuffer & Buffer) const
{// pack the fields into a TextBuffer, return TRUE if all succeed, FALSE o/w
	string temp;
	Buffer . Clear ();
	int result;
	result=Buffer.Pack(name.c_str());
	result=result && Buffer.Pack(toString(pop));
	result=result && Buffer.Pack(toString(popRank));
        result=result && Buffer.Pack(toString(popDensity));
        result=result && Buffer.Pack(toString(areaOfState));
        result=result && Buffer.Pack(toString(areaRank));
        result=result && Buffer.Pack(toString(capital));
	return result;
}

template <typename eltType> void fromString(char *elt,eltType &theElt)
{istrstream iss(elt);
 iss >> theElt;
}

int State::unpack (DelimTextBuffer & Buffer) 
{// pack the fields into a TextBuffer, return TRUE if all succeed, FALSE o/w
	int result;
	char str[15];
	// get the name
	result=Buffer.Unpack(str);
	fromString(str,name);
	result=Buffer.Unpack(str);
	fromString(str,pop);
	result=Buffer.Unpack(str);
	fromString(str,popRank);
	result=Buffer.Unpack(str);
	fromString(str,popDensity);
	result=Buffer.Unpack(str);
	fromString(str,areaOfState);
	result=Buffer.Unpack(str);
	fromString(str,areaRank);
	result=Buffer.Unpack(str);
	fromString(str,capital);
	return result;
}

///overloading << operator
ostream& operator<<(ostream& osObject, const State& cObject)
{
  osObject<<"State Name: " <<setw(8) <<"" <<cObject.name <<endl
          <<"Area of State: " <<setw(5) <<"" <<cObject.areaOfState <<endl
          <<"Area Rank: " <<setw(9) <<"" <<cObject.areaRank <<endl
          <<"Capital: " <<setw(10) <<"" <<cObject.capital<<endl
          <<"Date of Admission: " <<setw(1) <<"" <<cObject.dateOfAdmission <<endl
          <<"Order of Admission: " <<cObject.orderOfAdmission <<endl
          <<"Population: " <<setw(8) <<""  <<cObject.pop <<endl
          <<"Population Density: " <<cObject.popDensity <<" people/mi^2" <<endl
          <<"Population Rank: " <<setw(3) <<""  <<cObject.popRank <<endl;
}

//overloading >> operator
ifstream& operator>>(ifstream& isObject, State& cObject)
{
  getline(isObject, cObject.name);

  isObject>>cObject.pop
          >>cObject.popRank
          >>cObject.popDensity
          >>cObject.areaOfState
          >>cObject.areaRank
	  >>cObject.dateOfAdmission
          >>cObject.orderOfAdmission;

   getline(isObject, cObject.capital);
}