package net.jonalu.primes;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeListener;

import javax.swing.Action;
import javax.swing.JApplet;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFileChooser;
import javax.swing.JProgressBar;
import javax.swing.JSpinner;
import javax.swing.JTextArea;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;

public class GUI extends JComponent {
    private JButton startButton;
    private JButton pauseButton;
    private JButton stopButton;

    private JSpinner threadCount;
    private JSpinner maxValue;

    private JFileChooser outputFileChooser;

    private JProgressBar progressViewer;

    private JTextArea log;

    private PrimeHandler ph;
    public GUI() {
        setLayout(null);
        setOpaque(true);
        /*try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException e) {
            e.printStackTrace();
        }*/
        {
            startButton = new JButton();
            startButton.setAction(new GUIActions(0));
            startButton.setOpaque(true);
            //startButton.setBackground(new Color(0,0,0,255));
            add(startButton);
        }
        {
            progressViewer = new JProgressBar();
            progressViewer.setMaximum(1);
            add(progressViewer);
        }
        updatePositions();
    }
    private void updatePositions() {
        if(ph == null) {
            progressViewer.setMaximum(1);
            progressViewer.setValue(0);
        } else {
            switch(ph.state) {
            case 0:
                progressViewer.setMaximum(1);
                progressViewer.setValue(0);
                break;
            case 1:
            case 2:
                long max = ph.maximum();
                long cur = ph.currentNumber();
                while(max > Integer.MAX_VALUE) {
                    max /= 10;
                    cur /= 10;
                }
                progressViewer.setMaximum((int) max);
                progressViewer.setValue((int) cur);
            }
        }
        progressViewer.setBounds(2, height()-16, width()-4, 14);
        progressViewer.setVisible(true);
        startButton.setBounds(10, 10, 100, 100);
        startButton.setText("Start");
        startButton.setVisible(true);
    }
    private void startCalc() {

    }
    public void paint(Graphics g) {
        setBackground(new Color(0,0,0,255));
        setForeground(new Color(0,0,0,255));
        //startButton.paint(g);
        updatePositions();
        super.paint(g);
    }
    protected void paintComponent(Graphics g){
    }
    private int width() {
        return 600;
    }
    private int height() {
        return 400;
    }
    private class GUIActions implements Action {
        private int id;
        public GUIActions(int id) {
            this.id = id;
        }
        public void actionPerformed(ActionEvent e) {}
        public void addPropertyChangeListener(PropertyChangeListener listener) {}
        public Object getValue(String key) { return null; }
        public boolean isEnabled() { return false; }
        public void putValue(String key, Object value) {}
        public void removePropertyChangeListener(PropertyChangeListener listener) {}
        public void setEnabled(boolean b) {}

    }
}