/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package gui;

import com.badlogic.gdx.backends.lwjgl.LwjglApplication;
import com.badlogic.gdx.backends.lwjgl.LwjglApplicationConfiguration;
import com.mygdx.game.Game;
import com.mygdx.game.Listener;
import com.mygdx.game.Log;
import com.mygdx.game.Log.LogListener;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;
import logic.World;

/**
 *
 * @author fazo
 */
public class GUI extends javax.swing.JFrame implements LogListener, Listener {

    private Game game;
    private LwjglApplication app;
    private boolean shouldUpdateGUI = false;
    private Thread guiUpdater;

    /**
     * Creates new form GUI
     */
    public GUI() {
        initComponents();
        setLocationRelativeTo(null); // Center the window
        Log.addListener(this);
        guiUpdater = new Thread() {
            @Override
            public void run() {
                for (;;) {
                    if (shouldUpdateGUI) {
                        updateGUI();
                        shouldUpdateGUI = false;
                    } else {
                        try {
                            Thread.sleep(5000);
                        } catch (InterruptedException ex) {
                        }
                    }
                }
            }
        };
        guiUpdater.setPriority(Thread.MAX_PRIORITY);
        guiUpdater.start();
        logTextArea.setText("Started GUI.\n");
    }

    /**
     * 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 Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        container = new javax.swing.JPanel();
        tabs = new javax.swing.JTabbedPane();
        logPane = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        logTextArea = new javax.swing.JTextArea();
        jLabel1 = new javax.swing.JLabel();
        logLevelBox = new javax.swing.JComboBox();
        jScrollPane2 = new javax.swing.JScrollPane();
        creatureList = new javax.swing.JList();
        status = new javax.swing.JLabel();
        menuBar = new javax.swing.JMenuBar();
        jMenu1 = new javax.swing.JMenu();
        startButton = new javax.swing.JMenuItem();
        exitButton = new javax.swing.JMenuItem();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("AIrium");

        logTextArea.setEditable(false);
        logTextArea.setColumns(20);
        logTextArea.setLineWrap(true);
        logTextArea.setRows(5);
        logTextArea.setText("Started GUI.");
        logTextArea.setWrapStyleWord(true);
        jScrollPane1.setViewportView(logTextArea);

        jLabel1.setText("Log Level");

        logLevelBox.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Errors Only", "Default", "Debug Mode" }));
        logLevelBox.setSelectedIndex(1);
        logLevelBox.setToolTipText("");
        logLevelBox.addItemListener(new java.awt.event.ItemListener() {
            public void itemStateChanged(java.awt.event.ItemEvent evt) {
                logLevelBoxItemStateChanged(evt);
            }
        });

        javax.swing.GroupLayout logPaneLayout = new javax.swing.GroupLayout(logPane);
        logPane.setLayout(logPaneLayout);
        logPaneLayout.setHorizontalGroup(
            logPaneLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(logPaneLayout.createSequentialGroup()
                .addComponent(jLabel1)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(logLevelBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(0, 0, Short.MAX_VALUE))
            .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 404, Short.MAX_VALUE)
        );
        logPaneLayout.setVerticalGroup(
            logPaneLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(logPaneLayout.createSequentialGroup()
                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 235, Short.MAX_VALUE)
                .addGap(10, 10, 10)
                .addGroup(logPaneLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(logLevelBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap())
        );

        tabs.addTab("Log", logPane);

        creatureList.setModel(new javax.swing.AbstractListModel() {
            String[] strings = { "Item 1", "Item 2", "Item 3", "Item 4", "Item 5" };
            public int getSize() { return strings.length; }
            public Object getElementAt(int i) { return strings[i]; }
        });
        creatureList.addListSelectionListener(new javax.swing.event.ListSelectionListener() {
            public void valueChanged(javax.swing.event.ListSelectionEvent evt) {
                creatureListValueChanged(evt);
            }
        });
        jScrollPane2.setViewportView(creatureList);

        tabs.addTab("Creatures", jScrollPane2);

        status.setText("Simulation stopped");

        javax.swing.GroupLayout containerLayout = new javax.swing.GroupLayout(container);
        container.setLayout(containerLayout);
        containerLayout.setHorizontalGroup(
            containerLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(tabs)
            .addGroup(containerLayout.createSequentialGroup()
                .addComponent(status)
                .addGap(0, 0, Short.MAX_VALUE))
        );
        containerLayout.setVerticalGroup(
            containerLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(containerLayout.createSequentialGroup()
                .addComponent(tabs)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(status))
        );

        jMenu1.setText("File");

        startButton.setText("Start");
        startButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                startButtonActionPerformed(evt);
            }
        });
        jMenu1.add(startButton);

        exitButton.setText("Exit");
        exitButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                exitButtonActionPerformed(evt);
            }
        });
        jMenu1.add(exitButton);

        menuBar.add(jMenu1);

        setJMenuBar(menuBar);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(container, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(container, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void exitButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exitButtonActionPerformed
        System.exit(0);
    }//GEN-LAST:event_exitButtonActionPerformed

    private void startButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_startButtonActionPerformed
        if (game != null) {
            return;
        }
        LwjglApplicationConfiguration.disableAudio = true;
        LwjglApplicationConfiguration config = new LwjglApplicationConfiguration();
        config.height = 600;
        config.width = 800;
        config.resizable = false;
        app = new LwjglApplication(game = new Game(), config);
        game.getWorld().addListener(this);
        setCreatureList();
    }//GEN-LAST:event_startButtonActionPerformed
    @Override
    public void onLog(int level, String msg) {
        logTextArea.append(msg + "\n");
        setScrollBarToTheBottom();
    }

    @Override
    public void on(int event) {
        shouldUpdateGUI = true;
        guiUpdater.interrupt();
    }

    public void updateGUI() {
        status.setText("Generation: " + game.getWorld().getGeneration() + " FPS: " + game.getWorld().getFps());
        setCreatureList();
    }

    private void setCreatureList() {
        String list[] = new String[game.getWorld().getCreatures().size()];
        for (int i = 0; i < list.length; i++) {
            list[i] = "Fitness: " + game.getWorld().getCreatures().get(i).getFitness();
        }
        creatureList.setListData(list);
    }

    public void setScrollBarToTheBottom() {
        jScrollPane1.getVerticalScrollBar().setValue(jScrollPane1.getVerticalScrollBar().getMaximum());
    }

    private void logLevelBoxItemStateChanged(java.awt.event.ItemEvent evt) {//GEN-FIRST:event_logLevelBoxItemStateChanged
        Log.setLogLevel(logLevelBox.getSelectedIndex());
    }//GEN-LAST:event_logLevelBoxItemStateChanged

    private void creatureListValueChanged(javax.swing.event.ListSelectionEvent evt) {//GEN-FIRST:event_creatureListValueChanged
        try {
            if (creatureList.getSelectedIndex() >= 0) {
                Game.get().getWorld().selectCreature(Game.get().getWorld().getCreatures().get(creatureList.getSelectedIndex()));
            }
        } catch (IndexOutOfBoundsException ex) {
            JOptionPane.showMessageDialog(this, "This creature is not available");
        }
    }//GEN-LAST:event_creatureListValueChanged

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JPanel container;
    private javax.swing.JList creatureList;
    private javax.swing.JMenuItem exitButton;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JMenu jMenu1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JComboBox logLevelBox;
    private javax.swing.JPanel logPane;
    private javax.swing.JTextArea logTextArea;
    private javax.swing.JMenuBar menuBar;
    private javax.swing.JMenuItem startButton;
    private javax.swing.JLabel status;
    private javax.swing.JTabbedPane tabs;
    // End of variables declaration//GEN-END:variables

}