package com.vci.client.common;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.Insets;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JRootPane;
import javax.swing.LookAndFeel;
import javax.swing.UIManager;

import com.vci.client.LogonApplication;
import com.vci.client.logon.client.StatusBar;
import com.vci.client.ui.swing.VCISwingUtil;
import com.vci.client.ui.swing.VCITitleBar;
import com.vci.client.ui.swing.components.VCIJButton;
import com.vci.client.ui.swing.components.VCIJFrame;
import com.vci.client.ui.swing.components.VCIJLabel;
import com.vci.client.ui.swing.components.VCIJPanel;
import com.vci.client.ui.swing.components.VCIJTextArea;

public class PositionMessager {
	
	private int x = 0;
	private int y = 0;
	private int width = 320;
	private int height = 200;

	private int scrollPosition = 3;
	private int scrollLazy = 10;
	private int showTimes = 3000;
	private boolean pause = false;
	private boolean showing = false;
	private boolean closeing = false;

	private Frame frame = null;
	private String title = "";
	private String content = "";
	
	public PositionMessager(){
		setScrollPosition(scrollPosition);
		setScrollLazy(scrollLazy);
		setShowTimes(showTimes);
		setPause(false);
	}
	
	public void show(String content){
		show("信息提示", content);
	}
	
	public void show(final String title, final String content){
		setTitle(title);
		setContent(content);
		new Thread(new Runnable() {
			@Override
			public void run() {
				showThreadRun(title, content);
			}
		}).start();
	}
	
	private void showThreadRun(String title, String content){
		frame = getShowFrame(title, content);
		
		Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();   
		Insets screenInsets  = Toolkit.getDefaultToolkit().getScreenInsets(LogonApplication.frame.getGraphicsConfiguration()); 
		x = (int) (dim.getWidth() - width - 3);
		y = (int) (dim.getHeight() - screenInsets.bottom - 3);
		StatusBar.getInstance().setStatusMessage(content);
		frame.setSize(new Dimension(width, height));
		frame.setVisible(true);
        show(frame);
	}
	
	private void show(Frame frame){
		setShowing(true);
		btnClose.setEnabled(false);
		for (int i = 0; i <= height; ) {
			try {
				frame.setLocation(x, y - i);
				Thread.sleep(getScrollLazy());
				
				if(isPause()) continue;
				i += getScrollPosition();
			} catch (InterruptedException ex) {
				ex.printStackTrace();
			}
		}
		btnClose.setEnabled(true);
		setShowing(false);
		
		try {
			Thread.sleep(getShowTimes());
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
		close(frame);
	}
	
	private void close(){
		new Thread(new Runnable() {
			@Override
			public void run() {
				close(frame);
			}
		}).start();
	}
	
	private void close(Frame frame){
		if(isShowing()) return;
		if(isCloseing()) return;
		
		x = frame.getX();
		y = frame.getY();
		setCloseing(true);
		for (int i = 0; i <= height; ) {
			try {
				frame.setLocation(x, y + i);
				Thread.sleep(getScrollLazy());
				
				if(isPause()) continue;
				i += getScrollPosition();
			} catch (InterruptedException ex) {
				ex.printStackTrace();
			}
		}
		setCloseing(false);
		frame.dispose();
		frame.setVisible(false);
	}
	
	private Frame getShowFrame(String title, String content){
		VCIJFrame frame = new VCIJFrame(title);
		frame.setUndecorated(true);
		// 禁用默认的关闭处理程序
		frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
		// 不显示最大、最小化按钮图标
		frame.getRootPane().setWindowDecorationStyle(JRootPane.PLAIN_DIALOG);
		// 加入自定义的关闭处理程序
		frame.addWindowListener(new WindowAdapter() {
			 public void windowClosing(WindowEvent e) {
				 close();
			 }
		});
		// 加入鼠标事件，控制滚动是否是否需要暂停
		frame.addMouseListener(getMouseAdapter());
		frame.setResizable(false);
		frame.setAlwaysOnTop(true);
		frame.setLayout(new BorderLayout());
		frame.add(getContentPanel(), BorderLayout.CENTER);
		return frame;
	}
	
	private VCIJPanel getContentPanel(){
		VCIJPanel pal = new VCIJPanel(new BorderLayout());
		pal.setBackground(Color.black);
		if(isNeedAddTitleBar()){
			pal.add(getTopButtonPanel(), BorderLayout.NORTH);
		}
		pal.add(getCenterContentPanel(), BorderLayout.CENTER);
		pal.add(getSouthButtonPanel(), BorderLayout.SOUTH);
		pal.addMouseListener(getMouseAdapter());
		return pal;
	}
	private boolean isNeedAddTitleBar(){
		boolean res = true;
		LookAndFeel laf = UIManager.getLookAndFeel();
		if(laf.getClass().getSimpleName().contains("PlasticLookAndFeel")){
			res = false;
		}
		return res;
	}
	private VCIJPanel getTopButtonPanel(){
		VCIJPanel pal = new VCIJPanel(new BorderLayout());
		VCITitleBar tb = new VCITitleBar(getTitle(), "information.png");
		tb.setPreferredSize(new Dimension(100, 25));
		tb.addMouseListener(getMouseAdapter());
		pal.addMouseListener(getMouseAdapter());
		pal.add(tb, BorderLayout.NORTH);
		return pal;
	}
	
	private VCIJPanel getCenterContentPanel(){
		VCIJPanel pal = new VCIJPanel(new BorderLayout(20, 0));
		VCIJTextArea txt = new VCIJTextArea(getContent());
		txt.setWrapStyleWord(true);
		txt.setLineWrap(true);
		txt.setEditable(false);
		txt.setBorder(BorderFactory.createEmptyBorder());
		txt.addMouseListener(getMouseAdapter());
		pal.addMouseListener(getMouseAdapter());
		pal.add(new VCIJLabel("  "), BorderLayout.NORTH);
		pal.add(new VCIJLabel(""), BorderLayout.WEST);
		pal.add(txt, BorderLayout.CENTER);
		pal.add(new VCIJLabel(""), BorderLayout.EAST);
		pal.add(new VCIJLabel(""), BorderLayout.SOUTH);
		pal.setBorder(BorderFactory.createEmptyBorder());
		return pal;
	}
	private VCIJPanel getSouthButtonPanel(){
		VCIJPanel pal = new VCIJPanel(new FlowLayout(FlowLayout.CENTER));
		pal.add(getCloseButton());
		pal.addMouseListener(getMouseAdapter());
		return pal;
	}

	private VCIJButton btnClose = VCISwingUtil.createVCIJButton("close", "关闭", "关闭", "close.png");
	private VCIJButton getCloseButton(){
		btnClose.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
		btnClose.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				close();
			}
		});
		btnClose.addMouseListener(getMouseAdapter());
		return btnClose;
	}

	private MouseAdapter getMouseAdapter(){
		return new MouseAdapter() {
			public void mouseMoved(MouseEvent e) {
				setPauseAndCurosor(e, true);
			}

			public void mouseClicked(MouseEvent e) {
				setPauseAndCurosor(e, true);
			}

			public void mouseEntered(MouseEvent e) {
				setPauseAndCurosor(e, true);
			}

			public void mouseExited(MouseEvent e) {
				setPauseAndCurosor(e, false);
			}
		};
	}
	
	private boolean mouseLoctionIsCloseButtonRegion(MouseEvent e){
		boolean res = false;
		int mex = e.getX();
		int mey = e.getY();
		int imgRegWidth = 32;
		int imgRegHeight = 16;
		if(frame.getWidth() - imgRegWidth <= mex && mex <= frame.getWidth() &&
				0 <= mey && mey <= imgRegHeight){
			res = true;
		}
		return res;
	}
	
	private void setPauseAndCurosor(MouseEvent e, boolean pause){
		Object source = e.getSource();
		if(mouseLoctionIsCloseButtonRegion(e)){
			pause = true;
		}
		setPause(pause);
		boolean sourceIsComponent = Component.class.isAssignableFrom(source.getClass());
		if(sourceIsComponent){
			Component compt = (Component)source;
			if(pause){
				compt.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
			} else {
				compt.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
			}
		}
	}
	
	public int getScrollPosition() {
		return scrollPosition;
	}
	public void setScrollPosition(int scrollPosition) {
		this.scrollPosition = scrollPosition;
	}
	public int getScrollLazy() {
		return scrollLazy;
	}
	public void setScrollLazy(int scrollLazy) {
		this.scrollLazy = scrollLazy;
	}
	public int getShowTimes() {
		return showTimes;
	}

	public void setShowTimes(int showTimes) {
		this.showTimes = showTimes;
	}

	public boolean isPause() {
		return pause;
	}

	public void setPause(boolean pause) {
		this.pause = pause;
	}
	public boolean isShowing() {
		return showing;
	}

	public void setShowing(boolean showing) {
		this.showing = showing;
	}

	public boolean isCloseing() {
		return closeing;
	}
	public void setCloseing(boolean closeing) {
		this.closeing = closeing;
	}

	public String getTitle() {
		return title;
	}

	public void setTitle(String title) {
		this.title = title;
	}

	public String getContent() {
		return content;
	}

	public void setContent(String content) {
		this.content = content;
	}
	
}