/*************************************************************/
/* File:      io.cpp					     */
/* Purpose:   This program will read in all data included    */
/*            in States.data.txt and print it                */ 
/*************************************************************/

#include "State.h"
#include "Date.h"
#include "deltext.h"
#include <iostream>

using namespace std;

void readStates(State sList[]);
void printAllStates(State sList[]);
void encodeStates(State sList[]);
void decodeState(State &S);

const int MAXSTATES = 50;

int main()
{ State sList[50];
  readStates(sList);  
  printAllStates(sList);
  encodeStates(sList);
  State S;
  decodeState(S);
  cout << "Decoded State:\n" << S << endl;
  return 0;
}

/**************************************************************/
/* Function Name: readStates                                  */
/* Purpose: Reads in all required information from the        */
/*          State.data.txt file and stores it to an array of  */
/*          the type State                                    */
/*                                                            */
/* Parameters                                                 */
/* State sList[]   - REFERENCED - Array of the type State to  */
/*                                store all state info        */
/**************************************************************/

void readStates(State sList[])
{
  //Open input file for reading
  ifstream infile;
  infile.open("States90.txt");
  if(infile.fail()) { 
    cout<<endl<<"\"States90.txt\" file not found. No data to process."<<endl;
    exit(1);
  }
  for(int count = 0; count < MAXSTATES; count++) 
    infile>>sList[count];
}

/**************************************************************/
/* Function Name: printAllStates                              */
/*                                                            */
/* Purpose: Prints all states in State array to the screen    */
/*                                                            */
/* Parameters                                                 */
/* State sList - REFERENCED - State array                     */
/*                                                            */
/* RETURN VALUE - VOID                                        */
/**************************************************************/

void printAllStates(State sList[])
{ for(int count = 0; count < MAXSTATES; count++)
      cout<<endl<<sList[count];
  cout<<endl;
}

/**************************************************************/
/* Function Name: encodeStates                                */
/*                                                            */
/* Purpose: Creates data file with buffered states (delimited)*/
/*                                                            */
/* Parameters                                                 */
/* State sList - REFERENCED - State array                     */
/*                                                            */
/* RETURN VALUE - VOID                                        */
/**************************************************************/
void encodeStates(State sList[])
{DelimTextBuffer theBuffer('~');
 State::initBuffer(theBuffer);
 ofstream out("States.delim.txt");
 for (int i=0;i<50;i++) {
	theBuffer.Clear();
	sList[i].pack(theBuffer);
	theBuffer.Write(out);
	cout << endl << endl;
 }
 out.close();
}	

/**************************************************************/
/* Function Name: decodeState                                 */
/*                                                            */
/* Purpose: Extracts first state from file and unpacks it     */
/*                                                            */
/* Parameters                                                 */
/* State S - REFERENCED - State                               */
/*                                                            */
/* RETURN VALUE - VOID                                        */
/**************************************************************/
void decodeState(State &S)
{ifstream in("States.delim.txt");
 DelimTextBuffer theBuffer('~');
 State::initBuffer(theBuffer);
 theBuffer.Read(in);
 S.unpack(theBuffer);
}