package horstmann.ch02_mail;
import java.util.Scanner;

/**
   A telephone that takes simulated keystrokes and voice input
   from the user and simulates spoken text.
 */
public class Telephone
{
	/**
      Construct phone object.
      @param aScanner that reads text from a character-input stream
	 */
	public Telephone(Scanner aScanner)
	{
		scanner = aScanner;
	}

	/**
      Speak a message to System.out.
      @param output the text that will be "spoken"
	 */
	public void speak(String output)
	{
		System.out.println(output);
	}

	/**
      Loops reading user input and passes the input to the
      Connection object's methods dial, record or hangup.
      @param c the connection that connects this phone to the
      voice mail system
	 */
	public void run(Connection c)
	{
		boolean more = true;
		while (more)
		{
			String input = scanner.nextLine();
			if (input == null) return;
			if (input.equalsIgnoreCase("H"))
				c.hangup();
			else if (input.equalsIgnoreCase("Q"))
				more = false;
			else if (input.length() == 1
					&& "1234567890#".indexOf(input) >= 0)
				c.dial(input);
			else
				c.record(input);
		}
	}

	private Scanner scanner;
}