import javabook.*;
import dmusican.*;
import basicio.*;

/**
 * Class to containing methods to handle an email inbox.
 * The ideas here are based on another project by Jeff Ondich.
 *
 * @author Dave Musicant
 * @version 1.0
 */

class BasicInbox
{
    private String inboxFilename;

    /* Since the same main window may be used by many methods of this
       class, it makes sense to have these objects as data members of
       the class. */
    private MainWindow mainWindow;
    private OutputBox outputBox;
    private InputBox inputBox;
    private PasswordBox passwordBox;

    /**
     * Constructor. Here's where we will actually create the javabook
     * objects that we will use.
     *
     * @param The filename where the inbox will be kept
     */

    public BasicInbox(String filename)
    {
        mainWindow = new MainWindow();
        mainWindow.setVisible(true);
        mainWindow.toFront();
    
        outputBox = new OutputBox(mainWindow);
        outputBox.show();
       
        inputBox = new InputBox(mainWindow);
        passwordBox = new PasswordBox(mainWindow);

        inboxFilename = filename;
    }

    /**
     * Asks the user for name and password so that inbox can be brought
     * down from the server.
     */

    public void getInbox()
    {
        String username = inputBox.getString("Enter username:");
        String password = passwordBox.getString("Enter password:");
        outputBox.printLine("Please wait, getting Inbox...");
        MailTools.getInbox(username,password,inboxFilename);
        outputBox.printLine("Inbox received!");
    }

    /**
     * Counts the number of lines in the inbox.
     */

    public void countLines()
    {
        String s;
        int lineCount = 0;

        outputBox.printLine("Please wait, counting lines...");
        BasicInput inputFile = new BasicInput(inboxFilename);
        while (inputFile.ready())
        {
            s = inputFile.readLine();
            lineCount++;
        }

        outputBox.printLine("The number of lines is: " + lineCount);
        inputFile.close();
    }

    /**
     * Prints each line beginning with "From:", "To:", and "Subject:",
     * the number of messages in the file, the total number of lines
     * in the file, and the average number of lines per message
     * (including header lines).
     */
    public void summarizeInbox()
    {
        /* This is the method that you need to write! This is currently a
           _stub_, which means that the method is included in here for
           testing purposes but it doesn't actually do anything useful. */
        outputBox.printLine("Method summarizeInbox().");
    }
}