package View.Panels;

import View.MainFrame;

import javax.swing.*;
import javax.swing.border.TitledBorder;
import javax.swing.table.DefaultTableModel;
import java.awt.*;

/**
 * Created by armin on 02.08.17.
 */
public class EvaluationPanel extends JPanel{

    private final MainFrame view;
    private JTable table;
    private JButton start;
    private JButton stop;

    private JPanel comp;
    private JTextField iIteration;
    private JTextField iSlope;
    private JTextField iYinterception;
    private JLabel lIteration;
    private JLabel lSlope;
    private JLabel lYinterception;

    private DefaultTableModel model;
    private JPanel buttonPanel;

    public EvaluationPanel(MainFrame view){
        super();
        this.view = view;
        this.setLayout(new BorderLayout());
        this.setBorder(new TitledBorder("Evaluation der Algorithmen"));
        addComponents();
    }

    private void addComponents(){
        lIteration =  new JLabel("Interationen");
        lSlope = new JLabel("Steigung");
        lYinterception = new JLabel("y-Achsenabschnitt");

        iIteration = new JTextField();
        iSlope = new JTextField();
        iYinterception = new JTextField();
        start = new JButton("Start");
        stop = new JButton("Stop");

        buttonPanel = new JPanel(new FlowLayout());
        buttonPanel.add(start);
        //buttonPanel.add(stop);

        comp = new JPanel();
        comp.setLayout(new GridLayout(0,2));
        comp.add(lIteration);
        comp.add(iIteration);
        comp.add(lSlope);
        comp.add(iSlope);
        comp.add(lYinterception);
        comp.add(iYinterception);

        start.addActionListener(e -> {
            String[] params = {iSlope.getText(), iYinterception.getText(), iIteration.getText() };
          view.getPresenter().startEvaluation(params);
        });

        stop.addActionListener(e -> {
            view.getPresenter().stopEvaluation();
        });

        String[] selections = { "Schätzer","MSE", "RMSE", "MAE", "MdAE"};
        model = new DefaultTableModel(){
            @Override
            public boolean isCellEditable(int row, int column) {
                //all cells false
                return false;
            }
        };
        model.setColumnIdentifiers(selections);

        table = new JTable(model);
        table.setDragEnabled(true);

        JScrollPane scrollPane = new JScrollPane(table);
        scrollPane.setWheelScrollingEnabled(true);
        this.add(scrollPane, BorderLayout.CENTER);
        this.add(comp, BorderLayout.NORTH);
        this.add(buttonPanel, BorderLayout.SOUTH);
    }

    public void appendData(Object[] row){
        model.addRow(row);
        this.repaint();
        this.revalidate();
    }
}