//---------------------------------------------------------------------------
#include <condefs.h>
#include <iostream.h>
#include <conio.h>
#pragma hdrstop
//---------------------------------------------------------------------------
USERES("..\Airport.res");
USEUNIT("airplane.cpp");
//---------------------------------------------------------------------------
#include "airplane.h"

int getInput(int max);
void getItems(int& speed, int& dir, int& alt);

int main(int, char **)
{
  char returnMsg[100];

  // Set up an array of  Airplanes and create three Airplane objects.
  Airplane *planes[3];
  planes[0] = new Airplane("TWA 1040");
  planes[1] = new Airplane("United Express 749", COMMUTER);
  planes[2] = new Airplane("Cessna 3238T", PRIVATE);

  // Start the loop.
  do
  {
    int plane, message, speed, altitude, direction;
    speed = altitude = direction = -1;

    // Get a plane to whom a message will be sent.
    // List all of the planes and let the user pick one.
    cout << endl << "Who do you want to send a message to?";
    cout << endl << endl << "0. Quit" <<  endl;
    for (int i = 0; i < 3; i++)
      cout << (i + 1) << ". " << planes[i]->name << endl;

    // Call the getInput() function to get the plane number.
    plane = getInput(3);

    // If the user chose item 0 then break out of the loop.
    if (plane == -1) break;

    // The plane acknowledges.
    //
    cout << endl << planes[plane]->name << ", roger.";
    cout << endl << endl;
    //
    // Allow the user to choose a message to send.
    //
    cout << "What message do you want to send?" << endl;
    cout << endl << "0. Quit" << endl;;
    cout << "1. State Change" << endl;
    cout << "2. Take Off" << endl;
    cout << "3. Land" << endl;
    cout << "4. Report Status" << endl;
    message = getInput(4);

    // Break out of the loop if the user chose 0.
    if (message == -1) break;

    // If the user chose item 1 then we need to get input
    // for the new speed, direction, and altitude.
    // Call the getItems() function to do that.
    if (message == 0)
      getItems(speed, direction, altitude);

    // Send the plane the message.
    bool goodMsg =
      planes[plane]->SendMessage(message, returnMsg,
                                 speed, direction, altitude);

    // Something was wrong with the message
    if (!goodMsg) cout << endl << "Unable to comply.";

    // Display the plane's response.
    cout << endl << returnMsg << endl;
  } while (1);

  // Delete the Airplaine objects.
  for (int i = 0; i < 3; i++) delete planes[i];
}
int getInput(int max)
{
  int choice;
  do
  {
    choice = getch();
    choice -= 49;
  } while (choice < -1 || choice >= max);

  return choice;
}  // int getInput

void getItems(int& speed, int& dir, int& alt)
{
  cout << endl << "Enter new speed: ";
  getch();
  cin >> speed;

  cout << "Enter new heading: ";
  cin >> dir;

  cout << "Enter new altitude: ";
  cin >> alt;

  cout << endl;
}  // void getItems