/*
    Car Wash Simulation Project:  CarWashSimulation Class

    The Car Wash Simulation Project is described in 
    <a href="http://max.cs.kzoo.edu/cs210/Labs/Queues/CarWashProgram.html">Car
    Wash Project Description</a>.

    Authors:   Autumn C. Spaulding and Alyce Brady,
               based on a description by
               <a href="mailto:trollend@nb.net">Todd Ollendyke</a>.
    Date:      13 July 2000
    Modified:  12 October 2000
      Separated simulation behavior from main into the CarWashSimulation class.
    Modified:  29 October 2002
      Separated class templates into separate files.
    Modified:  27 October 2003
      Set up waitingLine to use LLQueue instead of QueueVector.  (Pamela Cutter)

	Copyright 2000, 2002, 2003 Autumn C. Spaulding, Alyce Brady, and Pamela Cutter

	This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 



/**
    This class is a template, or starting point, for
    a class that will manage the simulation of cars arriving at a car
    wash, waiting in line, and going through the wash cycle.

*/
public class CarWashSimulation
{
    int currentTime;        // how many minutes the car wash has been open
    int closingTime;        // when the car wash should close
    Bay bay;                // car wash bay
    Queue waitingLine;      // line of cars waiting to be washed

    int totalWaitingTime;   // total time spent waiting by all cars
    int numCars;            // how many cars were washed

    TempRandom randGen;     // random number generator


    /* Construct a car wash simulation object. */
    public CarWashSimulation ()
    {
        bay = new Bay();
        waitingLine = new LLQueue();
        randGen = new TempRandom();

        reset();
    }

    /** Reset the state of the simulation for a new run. */    
    public void reset ()
    {
        // All times and number of cars should be reset to 0 (closingTime
        // will be set to the appropriate value when the simulation is run).
        // The bay and waitingLine should be reset using appropriate
        // methods from their classes.

        /********************************************************************
         *                                                                  *
         *                Code missing:  See comments above.                *
         *                                                                  *
         ********************************************************************/
    }

    /** Run the simulation for a specified number of minutes (or whatever the
        unit for a single step of the simulation is).
        @param minutesToRun the number of steps of the simulation to run
    */    
    public void run (int minutesToRun)
    {
        closingTime = minutesToRun;

        // Run for as many minutes as specified or until there are no cars
        // left waiting to be washed, whichever is longer.

        /********************************************************************
         *                                                                  *
         *                Code missing:  See comments above.                *
         *                                                                  *
         ********************************************************************/

        // Print results of simulation.

        /********************************************************************
         *                                                                  *
         *                Code missing:  See comments above.                *
         *                                                                  *
         ********************************************************************/
    }

    /** Execute a single step of the simulation.
    */    
    public void step ()
    {

        /********************************************************************
         *                                                                  *
         *     Code missing:  See pseudo-code in problem description.       *
         *                                                                  *
         ********************************************************************/

        currentTime++;
    }    

}    // end CarWashSimulation class