#include <fstream.h>

#include "recform.h"

#if     defined(_WIN32)
#define DEFAULTFILENAME "C:\\HOME01.DAT"
#else
#define DEFAULTFILENAME "/usr/local/csci/343/testdata/home01.dat"
#endif

int rangeSearch(ifstream &, char *, int, int, simpRecT &) ;

void main(int argc, char *argv[])
 {
  char key[KEYSIZE+80] ;
  simpRecT buff ;
  ifstream dbFile ;
  int maxRec ;

#if defined(_WIN32)
  dbFile.open(DEFAULTFILENAME, ios::binary) ;
#else
  dbFile.open(DEFAULTFILENAME) ;
#endif

  if (!dbFile) {
	cout << "Unable to open " << DEFAULTFILENAME << endl ;
	return ;
  }

  dbFile.seekg(0, ios::end) ;
  maxRec = dbFile.tellg() / sizeof(simpRecT) - 1;
  if (maxRec < 0) {
	cout << DEFAULTFILENAME << " has no records!" << endl ;
	return ;
  }

  cout << "Enter search key: " ;
  while (cin.getline(key, sizeof(key)) && key[0]) {
    int pbeg = -1 ;
    int pend = -1 ; 

    key[KEYSIZE] = '\0' ;

    cout << "Enter indices of starting and ending records" << endl ;
    while (pbeg < 0 || pbeg > maxRec) {
      cout << "Start (0 to " << maxRec << "): " ;
      cin >> pbeg ;
    }
    while (pend < pbeg || pend > maxRec) {
      cout << "End (" << pbeg << " to " << maxRec << "): " ;
      cin >> pend ;
    }
    cout << endl << "Starting search" << endl ;
    cout << "  Key:    " << key  << endl ;
    cout << "  Start:  " << pbeg << endl ;
    cout << "  End:    " << pend << endl ;

    if (rangeSearch(dbFile, key, pbeg, pend, buff))
      cout << "Record found with key " << buff.name
	   << " and value " << buff.value << endl ;
    else
      cout << "No record found with key " << key << endl ;
    cin.ignore(1999, (int) '\n') ;		// pretty silly
    cout << endl << "New key: " ;
  }
  dbFile.close() ;
  return ;

}