/*******************************************************
   Proj5Aux.cpp
   CMSC-341  Spring 2004 Project5
   Spencer Shimko, Section 001, sshimko1
   Created:  28 April 2004
   Current:  06 May 2004

   Auxillary header implement a Interval Heap based on a Binary Heap

I have read and I understand the course policy on cheating. By submitting the following program, I
am stating that the program was produced by my individual effort.
*********************************************************/
using namespace std;
#include <fstream>
#include <iostream>
#include <string>
#include <queue>
#include "IntervalHeap.h"

/*
 * parse the input file
 * Params: input file to parse
 */
bool parseIFile ( const char * iFile, queue <string> & cmdQ ){
   string line;

   // open/test file
   ifstream sFile( iFile, ios::in );

   // if file did not open properly display error and die
   if ( !sFile ){
      return false;
   }

   while ( getline ( sFile, line ) )
      cmdQ.push(line);

   return true;
}

/*
 * run command
 * Params: IntervalHeap and String to run
 */
void run ( IntervalHeap <int> &IH, const char* c ){
   // command
   char* cmd = (char*) c;

   // print current command
   cout << "\nCOMMAND: " << cmd << endl;

   // convert them to a standard lower case
   for ( int index = 0; cmd[index]; index++ ){
      cmd[index] = tolower ( cmd[index] );
   }

   if ( strstr( cmd, "insert " ) != NULL ) {
      // tokenize and grab integer to insert
      strtok ( cmd, " " );
      int i = atoi ( strtok ( NULL, "\n" ) );

      // insert int into heap
      IH.insert ( i );
      return;

   } else if ( strstr ( cmd, "print" ) != NULL ){
      //print heap
      IH.print ( );
      return;
   } else if ( strstr ( cmd, "findmin" ) != NULL ){
      // print minimum value
      cout << "     The minimum value in the heap is " << IH.findMin ( ) << "." << endl;
   } else if ( strstr ( cmd, "findmax" ) != NULL ){
      // print maximum value
      cout << "     The maximum value in the heap is " << IH.findMax ( ) << "." << endl;
   } else if ( strstr ( cmd, "deletemin" ) != NULL ){
      // delete smallest value
      IH.deleteMin ( );
   } else if ( strstr ( cmd, "deletemax" ) != NULL ){
      // delete largest value
      IH.deleteMax ( );
   }
}