#include <iostream.h>
#include "assign4.h"
#include <stdlib.h>

  static char *statusStrings[5] = { "Underflow", "Empty", "Pending", "Full", "Overflow" }; 
  
int main ()
{
  int item;
  int choice;
  int nextNum;
  int looping = 1;
  int random = 0;
  int i = 0;
  status currentStatus;
  while (looping == 1)
    {
      cout << "What would you like to do?\n";
      cout << "\t1) Check queue status.\n";
      cout << "\t2) Enter a number in the queue\n";
      cout << "\t3) Get a number from the queue\n";
      cout << "\t4) Perform full tests.\n";
      cout << "\t5) Quit\n";
      cin >> choice;
      if (choice == 1)
	{
	  currentStatus = getStatus ();
	  cout << "The current queue status is " <<
	    statusStrings[currentStatus] << "\n";
	}
      if (choice == 2)
	{
	  cout << "\nPlease enter a number to be placed on the queue --> ";
	  cin >> item;
	  currentStatus = putQueue (item);
	  cout << "\nThe current status is now " <<
	    statusStrings[currentStatus] << "\n";
	}
      if (choice == 3)
	{
	  nextNum = getQueue ();
	  cout << "The number you get is " << nextNum << "\n";
	}
      if (choice == 4)
	{
	  currentStatus = getStatus ();
	  cout << "******************************\n";
	  cout <<
	    "Checking to see if status variable is initialized properly.\n";
	    if (currentStatus == EMPTY)
	    cout << "Passed...your status is --> " <<
	      statusStrings[currentStatus] << "\n";
	  
	  else
	    cout << "Failed...your status is --> " <<
	      statusStrings[currentStatus] << "\n";
	  nextNum = getQueue ();
	  cout << "******************************\n";
	  cout <<
	    "\nTrying to remove an item from the empty queue and then checking status.\n";
	    if (nextNum == 0)
	    {
	      cout <<
		"You correctly returned 0 because the queue was empty.\n";
		currentStatus = getStatus ();
	      if (currentStatus == UNDERFLOW)
		{
		  cout <<
		    "Passed...You have returned the correct status --> " <<
		    statusStrings[currentStatus] << "\n";
		}
	      
	      else
		{
		  cout << "You have returned the incorrect status --> " <<
		    statusStrings[currentStatus] << "\n";
		}
	    }
	  
	  else
	    {
	      cout << "You didn't return the correct item.\n";
	      if (currentStatus == UNDERFLOW)
		{
		  cout <<
		    "Passed...You have returned the correct status --> " <<
		    statusStrings[currentStatus] << "\n";
		}
	      
	      else
		{
		  cout << "You have returned the incorrect status --> " <<
		    statusStrings[currentStatus] << "\n";
		}
	    }
	  cout << "******************************\n";
	  cout << "Placing " << (QSIZE - 1) << " items on the queue\n";
	  for (i = 0; i < (QSIZE - 1); i++)
	    {
	      random = rand ();
	      currentStatus = putQueue (random);
	    }
	  if (currentStatus == PENDING)
	    {
	      cout << "Passed...You have returned the correct status --> " <<
		statusStrings[currentStatus] << "\n";
	    }
	  
	  else
	    {
	      cout << "You have returned the incorrect status --> " <<
		statusStrings[currentStatus] << "\n";
	    }
	  cout << "******************************\n";
	  cout << "Placing one more item on the queue\n";
	  random = rand ();
	  currentStatus = putQueue (random);
	  if (currentStatus == FULL)
	    {
	      cout << "Passed...You have returned the correct status --> " <<
		statusStrings[currentStatus] << "\n";
	    }
	  
	  else
	    {
	      cout << "You have returned the incorrect status --> " <<
		statusStrings[currentStatus] << "\n";
	    }
	  cout << "******************************\n";
	  cout << "Placing an extra item on the queue\n";
	  random = rand ();
	  currentStatus = putQueue (random);
	  if (currentStatus == OVERFLOW)
	    {
	      cout << "Passed...You have returned the correct status --> " <<
		statusStrings[currentStatus] << "\n";
	    }
	  
	  else
	    {
	      cout << "You have returned the incorrect status --> " <<
		statusStrings[currentStatus] << "\n";
	    }
	  cout << "******************************\n";
	  cout << "Removing one item and checking the status\n";
	  nextNum = getQueue ();
	  currentStatus = getStatus ();
	  if (currentStatus == PENDING)
	    {
	      cout << "Passed...You have returned the correct status --> " <<
		statusStrings[currentStatus] << "\n";
	    }
	  
	  else
	    {
	      cout << "You have returned the incorrect status --> " <<
		statusStrings[currentStatus] << "\n";
	    }
	  cout << "******************************\n";
	}
      if (choice == 5)
	{
	  looping = 2;
	}
    }
  return 0;
}