#include <iostream.h>
#include <iomanip.h>
#include <time.h>

// precondition: srand() must be called once before any CUSTOMER methods are used
// postcondition: arrive(void) returns a random integer between 1 and 15
//		: gallons(void) returns a random integer between 3 and 20
#include <C:\CLASSES\PUMP.H>      // note use of full path name here
#include <C:\CLASSES\CUSTOM_1.H>  // again - a full path name is used

const float SIMTIME = .5;         // simulation time in hours
const int MINUTES = 60;           // number of minutes in an hour
const float AMT_IN_TANK = 300;    // initial gallons in the tank
const float TODAYS_PRICE = 1.25;  // price-per-gallon

int main()
{
  Pump a(AMT_IN_TANK, TODAYS_PRICE);   // declare 1 object of type Pump
  Customer *anotherCust;  // declare 1 pointer to an object of type Customer
  int totalTime = 0;
  int idleTime;
  int amtRequest;
  int SimMinutes;  // simulation time in minutes

  SimMinutes = SIMTIME * MINUTES;
  cout << "\nStarting a new simulation - simulation time is "
       << SimMinutes << " minutes" << endl;
  a.values();

  srand(time(NULL));

  // create a new object of type Customer
  anotherCust = new Customer;

  // get the customer's arrival time
  idleTime = anotherCust->arrive();
  totalTime += idleTime;

  while (totalTime <= SimMinutes)
  {

    cout << "The idle time is " << idleTime << " minutes" << endl
	 << "   and we are " << totalTime
	 << " minutes into the simulation." << endl;
    amtRequest = anotherCust->gallons();
a    a.request(float(amtRequest));

    // delete this Customer
    delete anotherCust;

    // create the next Customer
    anotherCust = new Customer;
    // get the next arrival
    idleTime = anotherCust->arrive();
    totalTime += idleTime;
  }
  cout << "The idle time is " << idleTime << " minutes." << endl
       << "\nAs the total time now exceeds the simulation time, " << endl
       << "   this simulation run is over." << endl;

  return 0;
}