import java.awt.Dimension;
import java.awt.Toolkit;

/**
 * TransactClient provides a GUI for access to Music DB via JavaTelnet.
 * @author Lars Appel
 * @version 0.2
 */
public class TransactClient extends javax.swing.JFrame {

  // the server connection

  HostIO host;

  // the dataset objects

  MasterSet composersMaster;
  MasterSet albumsMaster;

  // the GUI componets

  ListPanel composersPanel;
  ListPanel albumsPanel;

  // the Transact prompt is somewhat strange (uses Esc sequences)

  static final String TRAN_PROMPT = "> \u001B&a+0C \u001B&a-1C";

  /** Initializes the Form */
  public TransactClient(HostIO host, MasterSet composers, MasterSet albums) {
    this.host = host;
    composersMaster = composers;
    albumsMaster = albums;
    initComponents ();
    composersPanel = new ListPanel(this, composersMaster);
    composersTab.add(composersPanel);
    albumsPanel = new ListPanel(this, albumsMaster);
    albumsTab.add(albumsPanel);
    pack ();
    Dimension scr = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension win = getSize();
    setLocation((scr.width - win.width)/2, (scr.height - win.height)/2);
  }

  /** This method is called from within the constructor to
   * initialize the form.
   * WARNING: Do NOT modify this code. The content of this method is
   * always regenerated by the FormEditor.
   */
  private void initComponents () {//GEN-BEGIN:initComponents
    setTitle ("Transact Music Client 0.2");
    addWindowListener (new java.awt.event.WindowAdapter () {
        public void windowClosing (java.awt.event.WindowEvent evt) {
          exitForm (evt);
        }
      }
    );
    getContentPane ().setLayout (new java.awt.BorderLayout ());

    jTabbedPane1 = new javax.swing.JTabbedPane ();

      composersTab = new javax.swing.JPanel ();
      composersTab.addComponentListener (new java.awt.event.ComponentAdapter () {
          public void componentShown (java.awt.event.ComponentEvent evt) {
            composersTabShown (evt);
          }
        }
      );
      composersTab.setLayout (new java.awt.BorderLayout ());

      jTabbedPane1.addTab ("Composers", composersTab);

      albumsTab = new javax.swing.JPanel ();
      albumsTab.addComponentListener (new java.awt.event.ComponentAdapter () {
          public void componentShown (java.awt.event.ComponentEvent evt) {
            albumsTabShown (evt);
          }
        }
      );
      albumsTab.setLayout (new java.awt.BorderLayout ());

      jTabbedPane1.addTab ("Albums", albumsTab);

    getContentPane ().add (jTabbedPane1, "Center");

  }//GEN-END:initComponents

  private void albumsTabShown (java.awt.event.ComponentEvent evt) {//GEN-FIRST:event_albumsTabShown
    // Add your handling code here:
    albumsMaster.fetchList();
  }//GEN-LAST:event_albumsTabShown

  private void composersTabShown (java.awt.event.ComponentEvent evt) {//GEN-FIRST:event_composersTabShown
    // Add your handling code here:
    composersMaster.fetchList();
  }//GEN-LAST:event_composersTabShown

  /** Exit the Application */
  private void exitForm(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_exitForm
    try {
      host.answerTo(TRAN_PROMPT, "exit");
      host.answerTo(":", "bye");
      host.skipUntilStartsWith("CPU=");
      host.close();
    }
    catch (Exception e) {
      System.out.println("problems while trying to leave server");
    }
    System.exit (0);
  }//GEN-LAST:event_exitForm


// Variables declaration - do not modify//GEN-BEGIN:variables
  private javax.swing.JTabbedPane jTabbedPane1;
  private javax.swing.JPanel composersTab;
  private javax.swing.JPanel albumsTab;
// End of variables declaration//GEN-END:variables

  public static void main(java.lang.String[] args) {
    String hostName =
      (args.length > 0) ? args[0] : "my3000";
    String helloCmd =
      "hello " + ((args.length > 1) ? args[1] : "user.demo");
    System.out.println("Connecting to host...");
    HostIO host = new HostIO();
    try {
      host.open(hostName);
      host.answerTo("MPE/iX:", helloCmd);
      host.skipLines(1); // the echo
      for (;;) {
        while (host.readln().length() == 0) {
          // skip blank line(s)
        }
        if (host.getLine().indexOf("PASSWORD") >= 0) {
          String pw = HelloDialog.getPass(helloCmd, host.getLine());
          if (pw == null) {
            System.out.println("user cancelled password dialog");
            System.exit(0);
          }
          host.writeln(pw);
          // continue with loop in case of add'l password prompts
        } else {
          host.pushBack();
          break;
        }
      }
      System.out.println("Launching server program...");
      host.answerTo(":", "file music=music.pub");
      host.answerTo(":", "run tMusic");
    }
    catch (Exception e) {
      System.out.println("failed to launch server program");
      System.exit(0);
    }
    System.out.println("Initializing data objects...");
    MasterSet composersMaster = new MasterSet(
      new String[]
        {"Composer", "Birthplace", "born", "died"},
      new int[]
        {16, 40, 16, 16},
      new String[]
        {"Composer", "Birth", "Death", "Birthplace", "Comment"},
      new int[]
        {16, 16, 16, 40, 40},
      new String[]
        {"COMPOSERNAME> ", "BIRTH> ", "DEATH> ", "BIRTHPLACE> ", "COMMENT> "},
      new int[]
        {0, 3, 1, 2},
      host,
      TRAN_PROMPT,
      "list composers",
      "review composer",
      "add composer",
      "update composer",
      "delete composer"
    );
    MasterSet albumsMaster = new MasterSet(
      new String[]
        {"Album Code", "Album Title", "Recording Co", "Recording Date"},
      new int[]
        {10, 40, 16, 16},
      new String[]
        {"Album Code", "Album Title", "Medium", "Album Cost",

         "Recording Company", "Recording Date", "Mfg Code", "Comment"},

      new int[]
        {10, 40, 2, 8, 16, 16, 40, 40},
      new String[]
        {"ALBUMCODE> ", "ALBUMTITLE> ", "MEDIUM> ", "ALBUMCOST> ",
         "RECORDINGCO> ", "DATERECORDED> ", "MFGCODE> ", "COMMENT> "},
      new int[]
        {0, 1, 4, 5},
      host,
      TRAN_PROMPT,
      "list albums",
      "review album",
      "add album",
      "update album",
      "delete album"
    );
    System.out.println("Launching the GUI...");
    new TransactClient(host, composersMaster, albumsMaster).show();
  }

}