package com.eg.www;

import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.setting.Setting;
import com.eg.www.common.CommonConstants;
import com.eg.www.common.utils.AliYunPanUtil;
import com.eg.www.common.utils.FileUtil;

import javax.swing.*;
import javax.swing.plaf.FontUIResource;
import java.awt.*;
import java.awt.event.*;
import java.util.Enumeration;

/**
 * Description: GUI
 * Author: Eg
 * Date: 2021/08/29
 */
public class AliYunPan extends JFrame implements ActionListener {

    private static final int obj_left = 100;//左边距
    private static final int text_width = 400;//文本框框
    private static final int text_high = 30;//文本框高
    private static final int title_left = 10;//标题左边距
    private static final int title_width = 166;//标题宽
    private static final int title_high = 25;//标题高
    private static final int radio_top = 150;//标题高
    private static final int radio_width = 100;//标题高
    private static final int radio_high = 25;//标题高

    //阿里云工具类
    private AliYunPanUtil aliYunPanUtil=new AliYunPanUtil();
    // 日志界面
    JScrollPane consolePane = CommonConstants.consolePane;
    JScrollBar scrollBar = CommonConstants.scrollBar;
    //Token文本框
    JTextField tokenText = CommonConstants.tokenText;
    // 备份目录
    private JTextField pathText;
    // 目录名称
    private JTextField folderText;
    //选择文件夹按钮
    private JButton selectBtn;
    //选择文件夹
    private JFileChooser selectPathChooser = new JFileChooser();

    // 迭代一单选框
    private JRadioButton puTongRadio;
    // 迭代二单选框
    private JRadioButton fenLeiRadio;

    // 开始备份
    private JButton startBackup = CommonConstants.startBackup;
    // 暂停备份
    private JButton pauseBackup;

    //判断系统是否有托盘
    static SystemTray tray = SystemTray.getSystemTray();
    //托盘图标
    private static TrayIcon trayIcon = null;
    //配置文件
    Setting setting =CommonConstants.setting;

    public AliYunPan(){
        //GUI默认配置
        initConfig();
        //初始化UI
        initUi();
        this.setVisible(true);
        //初始化变量
        CommonConstants.PATH = setting.getStr("pathText");
        CommonConstants.REFRESH_TOKEN = setting.getStr("tokenText");
        CommonConstants.BACK_NAME = setting.getStr("folderText");
        if (StrUtil.isNotEmpty(setting.getStr("backType"))){
            CommonConstants.BACK_TYPE = Integer.parseInt(setting.getStr("backType"));
        }
        //开启目录检测
        aliYunPanUtil.monitorFolder();
    }

    /**
     * 程序默认配置
     */
    private void initConfig() {
        // 设置界面使用字体
        FontUIResource fontUIResource = new FontUIResource(new Font("宋体", Font.PLAIN, 13));
        for (Enumeration keys = UIManager.getDefaults().keys(); keys.hasMoreElements();) {
            Object key = keys.nextElement();
            Object value = UIManager.get(key);
            if (value instanceof FontUIResource) {
                UIManager.put(key, fontUIResource);
            }
        }
        //设置显示窗口标题
        setTitle("备份助手");
        //设置标题栏的图标
        this.setIconImage(new ImageIcon(getClass().getResource("/images/logo.png")).getImage());
        //设置窗口显示尺寸
        setSize(800,600);
        //窗口是否可以关闭
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        //默认居中显示
        setLocationRelativeTo(null);
        //禁止改变窗口大小
        this.setResizable(false);

        // 窗口最小化事件
        this.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }

            public void windowIconified(WindowEvent e) {
                setVisible(false);
                miniTray();
            }

        });
    }

    public void initUi() {
        // 初始化控件
        Container container = getContentPane();
        container.setLayout(null);

        /**
         * 左侧标题
         */
        JLabel pathTitle = new JLabel("选择目录");
        pathText = new JTextField();
        JLabel tokenTitle = new JLabel("阿里云Token");
        //tokenText = new JTextField();
        JLabel folderTitle = new JLabel("备份目录名称");
        folderText = new JTextField();
        JLabel backTitle = new JLabel("备份模式");
        backTitle.setBounds(title_left, 150, title_width, title_high);
        container.add(backTitle);
        // 路径选择区域
        JPanel selectPanle = new JPanel();
        selectPanle.setLayout(null);

        //选择目录框
        pathTitle.setBounds(title_left, 20, title_width, title_high);
        container.add(pathTitle);
        pathText.setText(setting.getStr("pathText"));
        pathText.setBounds(obj_left, 20, text_width, text_high);
        container.add(pathText);

        //token框
        tokenTitle.setBounds(title_left, 60, title_width, title_high);
        container.add(tokenTitle);
        tokenText.setText(setting.getStr("tokenText"));
        tokenText.setBounds(obj_left, 60, text_width, text_high);
        container.add(tokenText);

        //目录名称框
        folderTitle.setBounds(title_left, 100, title_width, title_high);
        container.add(folderTitle);
        folderText.setText(setting.getStr("folderText"));
        folderText.setBounds(obj_left, 100, text_width, text_high);
        container.add(folderText);

        //选择文件按钮
        selectBtn = new JButton("选择...");
        selectBtn.setBounds(501, 22, 90, 25);
        selectBtn.addActionListener(this);
        container.add(selectBtn);


        //读取设置中选中的模式
        String type = setting.getStr("backType");
        boolean pt_checked=false;
        boolean fl_checked=false;
        if (ObjectUtil.isNotNull(type)){
            if (type.equals("0")){
                pt_checked=true;
            }else if (type.equals("1")){
                fl_checked=true;
            }
        }else {
            pt_checked=true;
        }
        //模式选择
        puTongRadio = new JRadioButton("普通备份",pt_checked);
        puTongRadio.setBounds(100, radio_top, radio_width, radio_high);
        puTongRadio.setBackground(container.getBackground());
        container.add(puTongRadio);
        fenLeiRadio = new JRadioButton("分类备份",fl_checked);
        fenLeiRadio.setBounds(250, radio_top, radio_width, radio_high);
        fenLeiRadio.setBackground(container.getBackground());
        container.add(fenLeiRadio);
        //设置为单选
        ButtonGroup typeGroup = new ButtonGroup();
        typeGroup.add(puTongRadio);
        typeGroup.add(fenLeiRadio);


        //startBackup = new JButton("开始备份");
        startBackup.setFont(new Font("宋体", Font.PLAIN, 13));
        startBackup.setBounds(100, 195, 100, 30);
        startBackup.addActionListener(this);
        container.add(startBackup);
        pauseBackup = new JButton("暂停备份");
        pauseBackup.setBounds(250, 195, 100, 30);
        pauseBackup.addActionListener(this);
        container.add(pauseBackup);
        //日志面板
        consolePane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);
        scrollBar.setSize(100,100);
        consolePane.setBounds(0, 240, 800, 348);
        container.add(consolePane);
    }

    /**
     * 事件处理器
     * @param e
     */
    @Override
    public void actionPerformed(ActionEvent e) {
        //选择文件夹
        if (e.getSource() == selectBtn) {
            selectPathChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
            int intRetVal = selectPathChooser.showOpenDialog(this);
            if (intRetVal == JFileChooser.APPROVE_OPTION) {
                pathText.setText(selectPathChooser.getSelectedFile().getPath());
            }
        }else {
            if (!checkText()){//验证
                return;
            }

            //开始按钮
            if (e.getSource() == startBackup) {
                startBackup.setEnabled(false);
                startBackup.setText("正在备份");
                CommonConstants.CLEAN_CONSOLE=0;
                //获取用户输入的token
                CommonConstants.REFRESH_TOKEN=tokenText.getText();
                setting.set("tokenText",CommonConstants.REFRESH_TOKEN);
                //获取用户输入的目录
                CommonConstants.PATH=pathText.getText();
                setting.set("pathText",CommonConstants.PATH);
                //获取用户输入的目录名称
                CommonConstants.BACK_NAME=folderText.getText();
                setting.set("folderText",CommonConstants.BACK_NAME);
                //获取上传模式
                CommonConstants.BACK_TYPE = puTongRadio.isSelected() ? 0 : 1;
                setting.set("backType",CommonConstants.BACK_TYPE+"");
                //输出模式
                CommonConstants.addConsole("备份模式："+(puTongRadio.isSelected() ? "普通模式" : "分类模式"));
                setting.store(CommonConstants.CONFIG_PATH);
                //执行上传文件操作
                try {
                    Thread backup = new Thread(() -> aliYunPanUtil.startBackup());
                    backup.start();
                } catch (Exception exc) {
                    CommonConstants.addConsole("遇到异常情况："+exc.toString());
                }
            }

            //暂停按钮
            if (e.getSource() == pauseBackup) {
                JOptionPane.showMessageDialog(null, "此功能正在开发中...", "提示", JOptionPane.INFORMATION_MESSAGE);
            }
        }
    }

    /**
     * 验证文本框输入
     */
    public Boolean checkText(){
        if (StrUtil.isEmpty(pathText.getText())){
            JOptionPane.showMessageDialog(null, "您没有选择需要备份的目录", "错误", JOptionPane.ERROR_MESSAGE);
            return false;
        }
        if (StrUtil.isEmpty(tokenText.getText())){
            JOptionPane.showMessageDialog(null, "您没有输入阿里云token", "错误", JOptionPane.ERROR_MESSAGE);
            return false;
        }
        if (StrUtil.isEmpty(folderText.getText())){
            JOptionPane.showMessageDialog(null, "您没有输入需要备份到阿里云的目录", "错误", JOptionPane.ERROR_MESSAGE);
            return false;
        }
        if (tokenText.getText().length()!=32){
            JOptionPane.showMessageDialog(null, "您输入的token不正确", "错误", JOptionPane.ERROR_MESSAGE);
            return false;
        }
        if (!FileUtil.isDirectory(pathText.getText())){
            JOptionPane.showMessageDialog(null, "请选择正确目录", "错误", JOptionPane.ERROR_MESSAGE);
            return false;
        }
        return true;
    }

    //窗口最小化到任务栏托盘
    private void miniTray() {
        ImageIcon trayImg = new ImageIcon(JFrame.class.getClass().getResource("/images/logo.png"));//托盘图标
        trayIcon = new TrayIcon(trayImg.getImage(), "备份助手");
        trayIcon.setImageAutoSize(true);

        //鼠标点击事件处理器
        trayIcon.addMouseListener(new MouseAdapter() {
            public void mouseClicked(MouseEvent e) {
                //if (e.getClickCount() ==2 ) {
                // 鼠标点击一次打开软件
                if (e.getClickCount() == 1) {
                    // 移去托盘图标
                    tray.remove(trayIcon);
                    setVisible(true);
                    //还原窗口
                    setExtendedState(JFrame.NORMAL);
                    toFront();
                }
            }
        });

        try {
            tray.add(trayIcon);
        } catch (Exception e) {
            System.out.println("发生异常："+e);
        }
    }

}