package uraxis.toolbar;

import com.ur.urcap.api.contribution.toolbar.ToolbarContext;
import com.ur.urcap.api.contribution.toolbar.swing.SwingToolbarContribution;
import com.ur.urcap.api.domain.io.DigitalIO;
import com.ur.urcap.api.domain.io.Register;
import uraxis.Activator;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.util.*;
import java.util.Timer;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;

class MyToolbarContribution implements SwingToolbarContribution {
    private static final int VERTICAL_SPACE = 10;
    private static final int HEADER_FONT_SIZE = 24;

    private final ToolbarContext context;
    private final IOHandler ioModel;
    private Register positionRegister;
    private int positionIndex=-1;
    private JLabel demoToolStatus;
    private Timer uiTimer;
    HashMap<String, JCheckBox> boxes=new HashMap<>();

    MyToolbarContribution(ToolbarContext context) {
        this.context = context;
        this.ioModel = new IOHandler(context.getAPIProvider().getApplicationAPI().getIOModel());
    }

    @Override
    public void openView() {
        this.positionRegister = this.ioModel.getRegisterIOCustom("position");
        this.positionIndex=IOHandler.getIOIndex(this.positionRegister);
        //UI updates from non-GUI threads must use EventQueue.invokeLater (or SwingUtilities.invokeLater)
        uiTimer = new Timer(true);
        uiTimer.schedule(new TimerTask() {
            @Override
            public void run() {
                EventQueue.invokeLater(new Runnable() {
                    @Override
                    public void run() {
                        CompletableFuture<Integer> fPos = Activator.daemonInterface.getpos();
                        CompletableFuture<Map<String, Object>> fStatus = Activator.daemonInterface.getstatus();
                        CompletableFuture.allOf(fPos, fStatus).whenComplete((aVoid, throwable) -> {
                            Date now = new Date();
                            try {
                                Map<String, Object> asd = fStatus.get();
                                for(JCheckBox cb: boxes.values()) {
                                    String cbName=cb.getName();
                                    Object val= asd.get(cbName);
                                    if(val instanceof  Boolean) {
                                        cb.setSelected((Boolean) val);
                                    }
                                }
                                //updateText(String.format("Position: %d, read at %tF %tT.<br/>%s", fPos.get(), now, now, fStatus.get()));
                                updateText(String.format("Position: %d, read at %tF %tT.<br/>Reg: ", fPos.get(), now, now, positionRegister.getDefaultName()));
                            } catch (InterruptedException|ExecutionException e) {
                                e.printStackTrace();
                            }
                        });
                    }
                });
            }
        }, 0, 1000);
    }

    @Override
    public void closeView() {
        uiTimer.cancel();
    }

    public void buildUI(JPanel jPanel) {
        jPanel.setLayout(new BoxLayout(jPanel, BoxLayout.Y_AXIS));
        jPanel.add(createHeader());
        jPanel.add(createVerticalSpace());
        jPanel.add(createButtons());
        jPanel.add(createInfo());
        jPanel.add(createCheckboxes());
    }

    private Box createCheckboxes() {
        Box hbox=Box.createHorizontalBox();
        hbox.setAlignmentY(Component.TOP_ALIGNMENT);
        {
            Box vbox = Box.createVerticalBox();
            vbox.setAlignmentY(Component.TOP_ALIGNMENT);
            vbox.add(newCheckbox("opm1"));
            vbox.add(newCheckbox("opm2"));
            vbox.add(newCheckbox("fct"));
            vbox.add(newCheckbox("rdyen"));
            vbox.add(newCheckbox("fault"));
            vbox.add(newCheckbox("warn"));
            vbox.add(newCheckbox("open"));
            vbox.add(newCheckbox("enabled"));
            hbox.add(vbox);
        }

        {
            Box vbox = Box.createVerticalBox();
            vbox.setAlignmentY(Component.TOP_ALIGNMENT);
            vbox.add(newCheckbox("ref"));
            vbox.add(newCheckbox("still"));
            vbox.add(newCheckbox("dev"));
            vbox.add(newCheckbox("mov"));
            vbox.add(newCheckbox("teach"));
            vbox.add(newCheckbox("mc"));
            vbox.add(newCheckbox("ack"));
            vbox.add(newCheckbox("halt"));
            hbox.add(vbox);
        }

        {
            Box vbox = Box.createVerticalBox();
            vbox.setAlignmentY(Component.TOP_ALIGNMENT);
            vbox.add(newCheckbox("func"));
            vbox.add(newCheckbox("fgrp"));
            vbox.add(newCheckbox("fnum"));
            vbox.add(newCheckbox("com"));
            vbox.add(newCheckbox("abs"));
            vbox.add(newCheckbox("istMoment"));
            vbox.add(newCheckbox("istPosition"));
            hbox.add(vbox);
        }
        return hbox;
    }

    private JCheckBox newCheckbox(String name) {
        JCheckBox cb=new JCheckBox(name);
        cb.setName(name);
        boxes.put(name, cb);
        return  cb;
    }

    private Box createHeader() {
        Box headerBox = Box.createHorizontalBox();
        headerBox.setAlignmentX(Component.CENTER_ALIGNMENT);

        JLabel header = new JLabel("Festo Axis Control");
        header.setFont(header.getFont().deriveFont(Font.BOLD, HEADER_FONT_SIZE));
        headerBox.add(header);
        return headerBox;
    }

    private Box createButtons() {
        Box box = Box.createHorizontalBox();
        JButton left100 = new JButton("<<<1000");
        left100.addActionListener(new AbstractAction() {
            @Override
            public void actionPerformed(ActionEvent e) {
                Activator.daemonInterface.rel(-1000, 20);
            }
        });
        box.add(left100);
        JButton left10 = new JButton("<<100");
        left10.addActionListener(new AbstractAction() {
            @Override
            public void actionPerformed(ActionEvent e) {
                Activator.daemonInterface.rel(-100, 20);
            }
        });
        box.add(left10);
        JButton left1 = new JButton("<10");
        left1.addActionListener(new AbstractAction() {
            @Override
            public void actionPerformed(ActionEvent e) {
                Activator.daemonInterface.rel(-10, 20);
            }
        });
        box.add(left1);
        JButton right1 = new JButton("10>");
        right1.addActionListener(new AbstractAction() {
            @Override
            public void actionPerformed(ActionEvent e) {
                Activator.daemonInterface.rel(10, 20);
            }
        });
        box.add(right1);
        JButton right10 = new JButton("100>>");
        right10.addActionListener(new AbstractAction() {
            @Override
            public void actionPerformed(ActionEvent e) {
                Activator.daemonInterface.rel(100, 20);
            }
        });
        box.add(right10);
        JButton right100 = new JButton("1000>>>");
        right100.addActionListener(new AbstractAction() {
            @Override
            public void actionPerformed(ActionEvent e) {
                Activator.daemonInterface.rel(1000, 20);
            }
        });
        box.add(right100);
        return box;
    }

    private Box createInfo() {
        Box infoBox = Box.createVerticalBox();
        infoBox.setAlignmentX(Component.CENTER_ALIGNMENT);
        demoToolStatus = new JLabel();
        demoToolStatus.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));

        infoBox.add(demoToolStatus);
        return infoBox;
    }

    private Component createVerticalSpace() {
        return Box.createRigidArea(new Dimension(0, VERTICAL_SPACE));
    }

    private void updateText(String text) {
        SwingUtilities.invokeLater(() -> demoToolStatus.setText("<HTML>" + text +"</HTML>"));
    }
}