/** A class used to keep track of student information
    @author Erika Harrison
    @version 1.0 24-06-02
*/
public class Student
{  //tracks if the student went to the loan table
   private boolean toLoanTable = false;
   private boolean hasStats = false;

   //info on queue lengths
   private double totalQueueTime = 0;
   private double queueStartTime = 0;

   //determines the total time spent in the simulation
   private double startTime = 0;
   private double endTime = 0;

   public Student(double startTime)
   //pre: startTime = the time the student entered the system
   //post: a student is constructed
   {  this.startTime = startTime;

      //determines if the given student will attend the OSAP table
      toLoanTable = Constants.toOSAP();
   }

   public double getTotalTime()
   //pre: true
   //post: returns the current total time the student has spent in the system
   {  return endTime - startTime;
   }

   public boolean toOSAPTable()
   //pre: true
   //post: returns whether or not the student will/has attended the OSAP table
   {  return toLoanTable;
   }

   public void addToQueue(double startTime)
   //pre: startTime = the time the student entered the queue
   //post: student has been recorded the time added to the queue (for stats)
   {  queueStartTime = startTime;
   }

   public void quit(double endTime)
   //pre: endTime = the time the student leaves the system
   //post: the endTime of the student is recorded (for stats purposes)
   {  this.endTime = endTime;
   }

   public void doneQueue(double endTime)
   //pre: endTime = the time the student has left the queue
   //post: the amount of time spent in a line up has been incremented
   {  if(endTime != startTime)
      {  totalQueueTime += endTime - queueStartTime;
      }
   }

   public double getQueueTime()
   //pre: true
   //post: returns the total amount of time the student has spent in a line up
   {  return totalQueueTime;
   }

   public boolean hasStats()
   //pre: true
   //post: returns if the student has valid statistics to be included
   {  return hasStats;
   }

   public void recordStats()
   //pre: true
   //post: the student has valid statistics
   {  hasStats = true;
   }
}