package org.hwo.pulscounter.ui;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.EventQueue;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;

import org.hwo.datetime.JTimeOfDay;
import org.hwo.io.servicelink.ServiceLink;
import org.hwo.io.servicelink.ServiceLinkException;
import org.hwo.io.servicelink.ServiceLinkRequestFailedException;
import org.hwo.pulscounter.PulsCounter2Application;

import java.awt.GridBagLayout;
import java.io.IOException;
import java.io.ObjectOutputStream.PutField;
import java.util.Timer;
import java.util.TimerTask;
import java.awt.GridBagConstraints;
import java.awt.Insets;

import javax.swing.JToggleButton;

import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.border.TitledBorder;
import java.awt.GridLayout;

public class LiveViewFrame extends JFrame implements AppSettingsListener {

	private JPanel contentPane;

	private Timer	liveViewTimer;
	private ServiceLink	serviceLink;
	
	private JToggleButton[]	inputButtons;
	private JToggleButton[]	pullupButtons;
	private JToggleButton[]	outputButtons;
	
	private JLabel[]	analogLabels;
	
	private JPanel pDisplay;
	private JPanel pPullups;
	private JPanel pAnalog;
	private JPanel pOutputs;
	
	private Integer inputs,
					outputs,
					pullups;
	
	/**
	 * Create the frame.
	 */
	public LiveViewFrame() {
		setTitle("Live Ansicht");
		setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
		setBounds(100, 100, 873, 530);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		GridBagLayout gbl_contentPane = new GridBagLayout();
		gbl_contentPane.columnWidths = new int[]{0, 0};
		gbl_contentPane.rowHeights = new int[]{0, 0, 0, 0, 0};
		gbl_contentPane.columnWeights = new double[]{1.0, Double.MIN_VALUE};
		gbl_contentPane.rowWeights = new double[]{1.0, 1.0, 1.0, 1.0, Double.MIN_VALUE};
		contentPane.setLayout(gbl_contentPane);
		
		pDisplay = new JPanel();
		pDisplay.setBorder(new TitledBorder(null, "Eing\u00E4nge", TitledBorder.LEADING, TitledBorder.TOP, null, null));
		GridBagConstraints gbc_pDisplay = new GridBagConstraints();
		gbc_pDisplay.insets = new Insets(0, 0, 5, 0);
		gbc_pDisplay.fill = GridBagConstraints.BOTH;
		gbc_pDisplay.gridx = 0;
		gbc_pDisplay.gridy = 0;
		contentPane.add(pDisplay, gbc_pDisplay);
		GridBagLayout gbl_pDisplay = new GridBagLayout();
		gbl_pDisplay.columnWidths = new int[] {50, 50, 50, 50, 50, 50, 50, 50};
		gbl_pDisplay.rowHeights = new int[] {25, 25, 25, 25};
		gbl_pDisplay.columnWeights = new double[]{1.0, 1.0,1.0, 1.0,1.0, 1.0,1.0, 1.0};
		gbl_pDisplay.rowWeights = new double[]{1.0, 1.0,1.0, 1.0};
		pDisplay.setLayout(gbl_pDisplay);
		
		pPullups = new JPanel();
		pPullups.setBorder(new TitledBorder(null, "PullUPs", TitledBorder.LEADING, TitledBorder.TOP, null, null));
		GridBagConstraints gbc_pPullups = new GridBagConstraints();
		gbc_pPullups.insets = new Insets(0, 0, 5, 0);
		gbc_pPullups.fill = GridBagConstraints.BOTH;
		gbc_pPullups.gridx = 0;
		gbc_pPullups.gridy = 1;
		contentPane.add(pPullups, gbc_pPullups);
		GridBagLayout gbl_pPullups = new GridBagLayout();
		gbl_pPullups.columnWidths = new int[] {50, 50, 50, 50, 50, 50, 50, 50};
		gbl_pPullups.rowHeights = new int[] {25, 25, 25, 25};
		gbl_pPullups.columnWeights = new double[]{1.0, 1.0,1.0, 1.0,1.0, 1.0,1.0, 1.0};
		gbl_pPullups.rowWeights = new double[]{1.0, 1.0,1.0, 1.0};
		pPullups.setLayout(gbl_pPullups);
		
		pOutputs = new JPanel();
		pOutputs.setBorder(new TitledBorder(null, "Ausg\u00E4nge", TitledBorder.LEADING, TitledBorder.TOP, null, null));
		GridBagConstraints gbc_pOutputs = new GridBagConstraints();
		gbc_pOutputs.insets = new Insets(0, 0, 5, 0);
		gbc_pOutputs.fill = GridBagConstraints.BOTH;
		gbc_pOutputs.gridx = 0;
		gbc_pOutputs.gridy = 2;
		contentPane.add(pOutputs, gbc_pOutputs);
		GridBagLayout gbl_pOutputs = new GridBagLayout();
		gbl_pOutputs.columnWidths = new int[] {50, 50, 50, 50, 50, 50, 50, 50};
		gbl_pOutputs.rowHeights = new int[] {25, 25, 25, 25};
		gbl_pOutputs.columnWeights = new double[]{1.0, 1.0,1.0, 1.0,1.0, 1.0,1.0, 1.0};
		gbl_pOutputs.rowWeights = new double[]{1.0, 1.0,1.0, 1.0};
		pOutputs.setLayout(gbl_pOutputs);
		
		pAnalog = new JPanel();
		pAnalog.setBorder(new TitledBorder(null, "Analogkan\u00E4le", TitledBorder.LEADING, TitledBorder.TOP, null, null));
		GridBagConstraints gbc_pAnalog = new GridBagConstraints();
		gbc_pAnalog.fill = GridBagConstraints.BOTH;
		gbc_pAnalog.gridx = 0;
		gbc_pAnalog.gridy = 3;
		contentPane.add(pAnalog, gbc_pAnalog);
		pAnalog.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5));
		
		initialize();
		
	}

	@Override
	public void dispose() {
		PulsCounter2Application pc2a = PulsCounter2Application.getApplication();
		pc2a.removeAppSettingsListener(this);
		
		super.dispose();
	}
	
	private void initialize(){
		PulsCounter2Application pc2a = PulsCounter2Application.getApplication();
		
		inputButtons = new JToggleButton[32];
		outputButtons = new JToggleButton[32];
		pullupButtons = new JToggleButton[32];
		
		for (int i=0;i<32;i++){
			final int n = i;
			
			inputButtons[i] = new JToggleButton(String.format("%d", i));
			
			GridBagConstraints gbc = new GridBagConstraints();
			gbc.insets = new Insets(0, 0, 0, 0);
			gbc.fill = GridBagConstraints.BOTH;
			gbc.gridx = i % 8;
			gbc.gridy =  (i / 8);
			
			pDisplay.add(inputButtons[i], gbc);
			
			outputButtons[i] = new JToggleButton(String.format("%d", i));
			outputButtons[i].addActionListener(new ActionListener() {
				
				@Override
				public void actionPerformed(ActionEvent arg0) {
					setOutput(n, outputButtons[n].isSelected());
				}
			});
			
			pOutputs.add(outputButtons[i], gbc);

			pullupButtons[i] = new JToggleButton(String.format("%d", i));
			pullupButtons[i].addActionListener(new ActionListener() {
				
				@Override
				public void actionPerformed(ActionEvent arg0) {
					setPullUp(n, pullupButtons[n].isSelected());
				}
			});
			pPullups.add(pullupButtons[i],gbc);
		}
		
		analogLabels = new JLabel[8];
		
		for (int i=0;i<8;i++){
			analogLabels[i] = new JLabel(String.format("---"));
			analogLabels[i].setBorder(new TitledBorder(String.format("AN%d",i)));
			pAnalog.add(analogLabels[i]);
		}
		
		
		liveViewTimer = new Timer();
		liveViewTimer.scheduleAtFixedRate(new TimerTask() {
			
			@Override
			public void run() {
				updateLiveView();
			}
		}, 200, 250);
		
		pc2a.addAppSettingsListener(this);
		
		serviceLink = pc2a.getServiceLink();
		
	}
	
	private synchronized void updateLiveView(){
		System.err.println("LiveView Update");
		if (serviceLink != null){
			System.err.println("ServiceLink exists.");
			try {
				serviceLink.open();
			} catch (ServiceLinkException e) {
				e.printStackTrace();
			}
			
			inputs = serviceLink.getServiceRegisterCache().getCachedInteger(13, 0, 0x84F0 );
			outputs = serviceLink.getServiceRegisterCache().getCachedInteger(13, 0, 0x81F9 );
			pullups = serviceLink.getServiceRegisterCache().getCachedInteger(13, 0, 0x81FA );

			if (inputs == null)
				inputs = 0;
			if (outputs == null)
				outputs = 0;
			if (pullups == null)
				pullups = 0;
			
			System.err.println(String.format("Inputs State:  0x%08x",inputs));
			System.err.println(String.format("Outputs State: 0x%08x",outputs));
			System.err.println(String.format("PullUP State:  0x%08x",pullups));

			for (int i=0;i<32;i++){
				if ((inputs & (1<<i))!=0){
					inputButtons[i].setBackground(Color.GREEN);
					inputButtons[i].setSelected(true);
				} else {
					inputButtons[i].setBackground(Color.RED);
					inputButtons[i].setSelected(false);						
				}
				
				if ((outputs & (1<<i))!=0){
					outputButtons[i].setBackground(Color.GREEN);
					outputButtons[i].setSelected(true);
				} else {
					outputButtons[i].setBackground(Color.WHITE);
					outputButtons[i].setSelected(false);
				}

				if ((pullups & (1<<i))!=0){
					pullupButtons[i].setBackground(Color.BLUE);
					pullupButtons[i].setSelected(true);
				} else {
					pullupButtons[i].setBackground(Color.WHITE);
					pullupButtons[i].setSelected(false);
				}
			}
			
			for (int i=0;i<8;i++){
				float analog = serviceLink.getServiceRegisterCache().getCachedFloat(13, 0, 0x8000 + i );
				analogLabels[i].setText(String.format("%5.3fV", (analog * 10.0f)));
			}
		}
	}

	@Override
	public synchronized void ServiceLinkChanged(ServiceLink serviceLink) {
		this.serviceLink = serviceLink;
	}

	public synchronized void setOutput(int ch,boolean set){
		if (this.serviceLink != null){			
			try {
				if (set){
					serviceLink.writeInt((byte)13, (byte)0, 0x8100 + ch, 1);
				} else {
					serviceLink.writeInt((byte)13, (byte)0, 0x8100 + ch, 0);
				}
			} catch (ServiceLinkRequestFailedException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			} catch (ServiceLinkException e) {
				e.printStackTrace();
			}
		}
	}

	public synchronized void setPullUp(int ch,boolean set){
		if (this.serviceLink != null){
			if (set){
				pullups |= (1<<ch);
			} else {
				pullups &= ~(1<<ch);
			}
			
			try {
				serviceLink.writeInt((byte)13, (byte)0, 0x81FA, pullups);
			} catch (ServiceLinkRequestFailedException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			} catch (ServiceLinkException e) {
				e.printStackTrace();
			}
		}
	}

	
}