import java.awt.*;

class SetDaysFrame extends Frame {
    private Biorhythm yourBiorhythm;
    private BiorhythmCanvas biorhythmCanvas;

    private TextField birthdayYearField, birthdayMonthField, birthdayDateField;
    private TextField calcYearField, calcMonthField, calcDateField;
    private Button OKButton, cancelButton;

    public SetDaysFrame(String title, BiorhythmCanvas biorhythmCanvas, Biorhythm yourBiorhythm) {
        super(title);

        this.yourBiorhythm = yourBiorhythm;
        this.biorhythmCanvas = biorhythmCanvas;

        birthdayYearField = new TextField(4);
        birthdayMonthField = new TextField(2);
        birthdayDateField = new TextField(2);

        calcYearField = new TextField(4);
        calcMonthField = new TextField(2);
        calcDateField = new TextField(2);

        OKButton = new Button("OK");
        cancelButton = new Button("Cancel");

        GridBagLayout gb = new GridBagLayout();
        GridBagConstraints gc1 = new GridBagConstraints();
        gc1.anchor = GridBagConstraints.WEST;
        GridBagConstraints gc2 = new GridBagConstraints();

        Panel dayPanel = new Panel();
        dayPanel.setLayout(gb);

        mb(0, 0, 5, 1, dayPanel, new Label("Birthday : "), gb, gc1);

        mb(0, 1, 1, 1, dayPanel, birthdayYearField, gb, gc2);
        mb(1, 1, 1, 1, dayPanel, new Label("/"), gb, gc2);
        mb(2, 1, 1, 1, dayPanel, birthdayMonthField, gb, gc2);
        mb(3, 1, 1, 1, dayPanel, new Label("/"), gb, gc2);
        mb(4, 1, 1, 1, dayPanel, birthdayDateField, gb, gc2);

        mb(0, 2, 5, 1, dayPanel,new Label("Calculate Day : "), gb, gc1);

        mb(0, 3, 1, 1, dayPanel, calcYearField, gb, gc2);
        mb(1, 3, 1, 1, dayPanel, new Label("/"), gb, gc2);
        mb(2, 3, 1, 1, dayPanel, calcMonthField, gb, gc2);
        mb(3, 3, 1, 1, dayPanel, new Label("/"), gb, gc2);
        mb(4, 3, 1, 1, dayPanel, calcDateField, gb, gc2);

        Panel buttonPanel = new Panel();
        buttonPanel.add(OKButton);
        buttonPanel.add(cancelButton);

        setLayout(new BorderLayout());
        add("Center", dayPanel);
        add("South", buttonPanel);

        setBackground(Color.white);
        this.pack();
    }

    public void paint(Graphics g) {
        birthdayYearField.setText(Integer.toString(yourBiorhythm.getBirthdayYear()));
        birthdayMonthField.setText(Integer.toString(yourBiorhythm.getBirthdayMonth()));
        birthdayDateField.setText(Integer.toString(yourBiorhythm.getBirthdayDate()));
        calcYearField.setText(Integer.toString(yourBiorhythm.getCalcYear()));
        calcMonthField.setText(Integer.toString(yourBiorhythm.getCalcMonth()));
        calcDateField.setText(Integer.toString(yourBiorhythm.getCalcDate()));
    }

    public boolean handleEvent(Event event) {
        switch(event.id) {
        case Event.ACTION_EVENT:
            if (event.target == OKButton) {
                try {
                    int birthdayYear = Integer.parseInt(birthdayYearField.getText());
                    int birthdayMonth = Integer.parseInt(birthdayMonthField.getText());
                    int birthdayDate = Integer.parseInt(birthdayDateField.getText());

                    int calcYear = Integer.parseInt(calcYearField.getText());
                    int calcMonth = Integer.parseInt(calcMonthField.getText());
                    int calcDate = Integer.parseInt(calcDateField.getText());

                    if (birthdayMonth >= 1 && birthdayMonth <= 12 && calcMonth >=1 && calcMonth <= 12) {
                        yourBiorhythm.setBirthday(birthdayYear, birthdayMonth, birthdayDate);
                        yourBiorhythm.setCalculateDay(calcYear, calcMonth, calcDate);
                    }
                } catch (NumberFormatException ex) {
                } finally {
                    biorhythmCanvas.repaint();
                    this.dispose();
                }
                return true;
            } else if (event.target == cancelButton) {
                this.dispose();
                return true;
            }
            break;
        case Event.WINDOW_DESTROY:
            this.dispose();
            return true;
        default:
            break;
        }
        return false;
    }

   private void mb(int x, int y, int w, int h, Container p, Component c, GridBagLayout gb, GridBagConstraints gc) {
        gc.gridx = x;
        gc.gridy = y;
        gc.gridwidth = w;
        gc.gridheight = h;
        gb.setConstraints(c, gc);
        p.add(c);
    }
}