package com.gitee.drinkjava2.frog;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;

import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JRadioButton;
import javax.swing.JSlider;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

import com.gitee.drinkjava2.frog.brain.BrainPicture;

/**
 * Application's main method start the program
 * 
 * @author Yong Zhu
 * @since 1.0
 */
@SuppressWarnings("all")
public class Application {

    public static final String CLASSPATH;

    static {
        String classpath = new File("").getAbsolutePath();
        int i = classpath.lastIndexOf("\\frog\\");
        if (i > 0)
            CLASSPATH = classpath.substring(0, i) + "\\frog\\";// windows
        else
            CLASSPATH = classpath + "/"; // UNIX
    }

    public static JFrame mainFrame = new JFrame();
    public static Env env = new Env();
    public static BrainPicture brainPic = new BrainPicture(Env.ENV_WIDTH + 5, 0, Env.FROG_BRAIN_XSIZE,
            Env.FROG_BRAIN_DISP_WIDTH);
    public static ActionListener pauseAction;
    public static boolean selectFrog = true;

    private static void checkIfShowBrainPicture(JButton button) {
        if (Env.SHOW_FIRST_FROG_BRAIN) {
            button.setText("Hide brain");
            int y = Env.ENV_HEIGHT + 160;
            if (Env.FROG_BRAIN_DISP_WIDTH + 41 > y)
                y = Env.FROG_BRAIN_DISP_WIDTH + 41;
            mainFrame.setSize(Env.ENV_WIDTH + Env.FROG_BRAIN_DISP_WIDTH + 25, y);
            brainPic.requestFocus(); 
        } else {
            button.setText("Show brain");
            mainFrame.setSize(Env.ENV_WIDTH + 20, Env.ENV_HEIGHT + 160);
        }
    }

    public static void main(String[] args) {
        mainFrame.setLayout(null);
        mainFrame.setSize(Env.ENV_WIDTH + 20, Env.ENV_HEIGHT + 100); // 窗口大小
        mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // 关闭时退出程序
        mainFrame.add(env); // 添加虚拟环境Panel
        mainFrame.add(brainPic); // 添加脑图Panel

        JButton showBrainbutton = new JButton("Show brain");// 按钮，显示或隐藏脑图
        int buttonWidth = 100;
        int buttonHeight = 22;
        int buttonXpos = Env.ENV_WIDTH / 2 - buttonWidth / 2;

        showBrainbutton.setBounds(buttonXpos, Env.ENV_HEIGHT + 8, buttonWidth, buttonHeight);
        ActionListener al = new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent arg0) {//显示或隐藏脑图
                Env.SHOW_FIRST_FROG_BRAIN = !Env.SHOW_FIRST_FROG_BRAIN;
                checkIfShowBrainPicture(showBrainbutton);
            }
        };
        checkIfShowBrainPicture(showBrainbutton);
        showBrainbutton.addActionListener(al);
        mainFrame.add(showBrainbutton);

        JButton stopButton = new JButton("Pause");// 暂停或继续按钮
        stopButton.setBounds(buttonXpos, Env.ENV_HEIGHT + 35, buttonWidth, buttonHeight);
        pauseAction = new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent arg0) {
                Env.pause = !Env.pause;
                if (Env.pause) {
                    stopButton.setText("Resume");
                } else {
                    stopButton.setText("Pause");
                    brainPic.requestFocus();
                }
            }
        };
        stopButton.addActionListener(pauseAction);
        mainFrame.add(stopButton);

        // 速度条
        final JSlider speedSlider = new JSlider(1, 10, (int) Math.round(Math.sqrt(Env.SHOW_SPEED)));
        speedSlider.setBounds(buttonXpos - 50, stopButton.getY() + 25, buttonWidth + 100, buttonHeight);
        ChangeListener slideAction = new ChangeListener() {
            @Override
            public void stateChanged(ChangeEvent e) {
                Env.SHOW_SPEED = speedSlider.getValue() * speedSlider.getValue() * speedSlider.getValue();
                brainPic.requestFocus();
            }
        };
        speedSlider.addChangeListener(slideAction);
        mainFrame.add(speedSlider);
        final JLabel label = new JLabel("Speed:");
        label.setBounds(buttonXpos - 90, stopButton.getY() + 23, 100, buttonHeight);
        mainFrame.add(label);
 
   
        mainFrame.setVisible(true);
        env.run();
    }

}
