package laba1Loco;

import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.LinkedList;

import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JTextField;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;

public class FormTrainCollecltion {
    private class Canvas extends JComponent{
        public Canvas(){
        }
        public void paintComponent (Graphics g){
            super.paintComponent(g);
            if (jListStorage.getSelectedIndex() == -1)
            {
                return;
            }
            var obj = _storage.get(jListStorage.getSelectedValue());
            if (obj == null)
            {
                return;
            }
            if (obj.ShowTrains() != null) {
                g.drawImage(obj.ShowTrains(), 0, 0, this);
            }
            super.repaint();
        }
    }
    Canvas canv;
    static int pictureBoxWidth = 820;
    static int pictureBoxHeight = 580;
    private TrainsGenericStorage _storage;
    public void Draw(){
        canv.repaint();
    }

    private LinkedList<DrawingTrain> linkedListRemoved;
    private JList<String> jListStorage;
    private DefaultListModel<String> listModel;
    /// <summary>
    /// Заполнение listBoxObjects
    /// </summary>
    private void ReloadObjects()
    {
        int index = jListStorage.getSelectedIndex();
        listModel.clear();
        for (String key : _storage.Keys()) {
            listModel.addElement(key);
        }
        if (listModel.size() > 0 && (index == -1 || index >= listModel.size()))
        {
            jListStorage.setSelectedIndex(0);
        }
        else if (listModel.size() > 0 && index > -1 && index < listModel.size())
        {
            jListStorage.setSelectedIndex(index);
        }
    }

    FormTrainCollecltion(){
        listModel = new DefaultListModel<String>();
        jListStorage = new JList<String>(listModel);
        canv = new Canvas();
        JFrame w = new JFrame ("TrainCollecltion");
        _storage = new TrainsGenericStorage(pictureBoxWidth, pictureBoxHeight);

        JButton ButtonAddTrain = new JButton("Add Train");
        ButtonAddTrain.addActionListener(
            new ActionListener() {
                public void actionPerformed(ActionEvent e){
                    if (jListStorage.getSelectedIndex() == -1)
                    {
                        return;
                    }
                    var obj = _storage.get(jListStorage.getSelectedValue());
                    if (obj == null)
                    {
                        return;
                    }
                    
                    FormTrain form = new FormTrain();
                    form.buttonSelectTrain.addActionListener(
                        new ActionListener() {
                            public void actionPerformed(ActionEvent e){
                                if (obj.Add(form._drawingTrain) != -1)
                                {
                                    JOptionPane.showMessageDialog(null, "Объект добавлен", "Информация", JOptionPane.INFORMATION_MESSAGE);
                                    System.out.println("Объект добавлен");
                                    Draw();
                                }
                                else
                                {
                                    JOptionPane.showMessageDialog(null, "Не удалось добавить объект", "Информация", JOptionPane.INFORMATION_MESSAGE);
                                    System.out.println("Не удалось добавить объект");
                                }
                                form.w.dispose();
                            }
                        }
                    );
                }   
            }
        );

        linkedListRemoved = new LinkedList<DrawingTrain>();
        JTextField TextBoxNumber = new JTextField();
        JButton ButtonRemoveTrain = new JButton("Remove Train");
        ButtonRemoveTrain.addActionListener(
            new ActionListener() {
                public void actionPerformed(ActionEvent e){
                    if (jListStorage.getSelectedIndex() == -1)
                    {
                        return;
                    }
                    var obj = _storage.get(jListStorage.getSelectedValue());
                    if (obj == null)
                    {
                        return;
                    }

                    if (JOptionPane.showConfirmDialog(null, "Удалить объект?", "Удаление", JOptionPane.YES_NO_OPTION) == JOptionPane.NO_OPTION)
                    {
                        return;
                    }
                    for (char it : TextBoxNumber.getText().toCharArray())
                        if (it < '0' || it > '9')
                        {
                            JOptionPane.showMessageDialog(null, "Не удалось удалить объект", "Информация", JOptionPane.INFORMATION_MESSAGE);
                            System.out.println("Не удалось удалить объект");
                            return;
                        }
                    if (TextBoxNumber.getText().length() == 0)
                    {
                        JOptionPane.showMessageDialog(null, "Не удалось удалить объект", "Информация", JOptionPane.INFORMATION_MESSAGE);
                        System.out.println("Не удалось удалить объект");
                        return;
                    }
                    
                    int pos = Integer.parseInt(TextBoxNumber.getText());
                    var removed = obj.remove(pos);
                    if (removed != null)
                    {
                        linkedListRemoved.add(removed);
                        JOptionPane.showMessageDialog(null, "Объект удален", "Информация", JOptionPane.INFORMATION_MESSAGE);
                        System.out.println("Объект удален");
                        Draw();
                    }
                    else
                    {
                        JOptionPane.showMessageDialog(null, "Не удалось удалить объект", "Информация", JOptionPane.INFORMATION_MESSAGE);
                        System.out.println("Не удалось удалить объект");
                    }
                }   
            }
        );

        JButton buttonGetRemoved = new JButton("buttonGetRemoved");
        buttonGetRemoved.addActionListener(
            new ActionListener() {
                public void actionPerformed(ActionEvent e){
                    if (linkedListRemoved.size()==0){
                        JOptionPane.showMessageDialog(null, "Нет удалённых", "Информация", JOptionPane.INFORMATION_MESSAGE);
                        System.out.println("Нет удалённых");
                        return;
                    }
                    FormTrain form = new FormTrain();
                    form._drawingTrain = linkedListRemoved.getLast();
                    linkedListRemoved.removeLast();
                    form.Draw();
                }   
            }
        );

        JButton ButtonRefreshCollection = new JButton("Refresh Collection");
        ButtonRefreshCollection.addActionListener(
            new ActionListener() {
                public void actionPerformed(ActionEvent e){
                    Draw();
                }   
            }
        );

        JButton toForm4GenericDopClass = new JButton("ToForm4GenericDopClass");
        toForm4GenericDopClass.addActionListener(
            new ActionListener() {
                public void actionPerformed(ActionEvent e){
                    Form4GenericDopClass form4GenericDopClass  = new Form4GenericDopClass();
                }   
            }
        );

        JTextField textBoxSetName = new JTextField();
        JButton buttonAddSet = new JButton("Add Set");
        buttonAddSet.addActionListener(
            new ActionListener() {
                public void actionPerformed(ActionEvent e){
                    if (textBoxSetName.getText().length() == 0)
                    {
                        JOptionPane.showMessageDialog(null, "Не все данные заполнены", "Информация", JOptionPane.INFORMATION_MESSAGE);
                        System.out.println("Не все данные заполнены");
                        return;
                    }
                    _storage.AddSet(textBoxSetName.getText());
                    ReloadObjects();
                }   
            }
        );

        jListStorage.addListSelectionListener(
            new ListSelectionListener() {
                public void valueChanged(ListSelectionEvent e){
                    Draw();
                }
            }
        );

        JButton buttonRemoveSet = new JButton("Remove Set");
        buttonRemoveSet.addActionListener(
            new ActionListener() {
                public void actionPerformed(ActionEvent e){
                    if (jListStorage.getSelectedIndex() == -1)
                    {
                        return;
                    }
                    if (JOptionPane.showConfirmDialog(null, "Удалить объект " + jListStorage.getSelectedValue() + "?", "Удаление", JOptionPane.YES_NO_OPTION) == JOptionPane.NO_OPTION)
                    {
                        return;
                    }
                    _storage.DelSet(jListStorage.getSelectedValue());
                    ReloadObjects();
                }   
            }
        );

        w.setSize (1000, 600);
        w.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
        w.setLayout(null);
        canv.setBounds(0, 0, pictureBoxWidth, pictureBoxHeight);
        ButtonAddTrain.setBounds(pictureBoxWidth, 0, 160, 20);
        TextBoxNumber.setBounds(pictureBoxWidth, 30, 160, 20);
        ButtonRemoveTrain.setBounds(pictureBoxWidth, 60, 160, 20);
        ButtonRefreshCollection.setBounds(pictureBoxWidth, 90, 160, 20);
        toForm4GenericDopClass.setBounds(pictureBoxWidth, 120, 160, 20);

        buttonAddSet.setBounds(pictureBoxWidth, 150, 160, 20);
        textBoxSetName.setBounds(pictureBoxWidth, 180, 160, 20);
        jListStorage.setBounds(pictureBoxWidth, 210, 160, 80);
        buttonRemoveSet.setBounds(pictureBoxWidth, 300, 160, 20);

        buttonGetRemoved.setBounds(pictureBoxWidth, 330, 160, 20);

        w.add(canv);
        w.add(ButtonAddTrain);
        w.add(ButtonRemoveTrain);
        w.add(ButtonRefreshCollection);
        w.add(TextBoxNumber);
        w.add(toForm4GenericDopClass);

        w.add(buttonAddSet);
        w.add(textBoxSetName);
        w.add(jListStorage);
        w.add(buttonRemoveSet);

        w.add(buttonGetRemoved);

        w.setVisible(true);
    }
}