package coeffQuartics;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Random;

import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTable;

import javax.swing.WindowConstants;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableModel;
import javax.swing.SwingUtilities;



public class NewJFrame extends javax.swing.JFrame {

    {
        //Set Look & Feel
        try {
            javax.swing.UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
        } catch(Exception e) {
            e.printStackTrace();
        }
    }

    private JRadioButton jRadioButton1;
    private JPanel jPanel1;
    private JScrollPane jScrollPane1;
    private JButton jButton1;
    private JTable jTable1;
    private JRadioButton jRadioButton3;
    private JRadioButton jRadioButton2;

    /**
    * Auto−generated main method to display this JFrame
    */
    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                NewJFrame inst = new NewJFrame();
                inst.setLocationRelativeTo(null);
                inst.setVisible(true);
            }
        });
    }

    public NewJFrame() {
        super();
        initGUI();
    }

    private void initGUI() {
        try {
            setTitle("Współczynniki wielomianu czwartego stopnia");
            setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
            {
                jPanel1 = new JPanel();
                getContentPane().add(jPanel1, BorderLayout.CENTER);
                jPanel1.setPreferredSize(new java.awt.Dimension(392, 266));
                jPanel1.setLayout(null);
                {
                    jRadioButton1 = new JRadioButton();
                    jPanel1.add(jRadioButton1);
                    jRadioButton1.setText("Pierwiastki rzeczywiste");
                    jRadioButton1.setBounds(12, 4, 196, 18);
                    jRadioButton1.addActionListener(new ActionListener() {
                        public void actionPerformed(ActionEvent evt) {
                            jRadioButton1ActionPerformed(evt);
                        }
                    });
                }
                {
                    jRadioButton2 = new JRadioButton();
                    jPanel1.add(jRadioButton2);
                    jRadioButton2.setText("Iloczyn dwóch trójmianów kwadratowych");
                    jRadioButton2.setBounds(12, 29, 272, 18);
                    jRadioButton2.addActionListener(new ActionListener() {
                        public void actionPerformed(ActionEvent evt) {
                            jRadioButton2ActionPerformed(evt);
                        }
                    });
                }
                {
                    jRadioButton3 = new JRadioButton();
                    jPanel1.add(jRadioButton3);
                    jRadioButton3.setText("Losowe wspó\u0142czynniki");
                    jRadioButton3.setBounds(12, 54, 210, 21);
                    jRadioButton3.addActionListener(new ActionListener() {
                        public void actionPerformed(ActionEvent evt) {
                            jRadioButton3ActionPerformed(evt);
                        }
                    });
                }
                {
                    jScrollPane1 = new JScrollPane();
                    jPanel1.add(jScrollPane1);
                    jScrollPane1.setBounds(7, 95, 375, 40);
                    {
                        TableModel jTable1Model =
                                new DefaultTableModel(
                                        new String[][] { { "", "" } },
                                        new String[] { "a4", "a3","a2","a1","a0" });
                        ((DefaultTableModel) jTable1Model).setColumnCount(5);
                        ((DefaultTableModel) jTable1Model).setRowCount(1);
                        jTable1 = new JTable();
                        jScrollPane1.setViewportView(jTable1);
                        jTable1.setBounds(27, 132, 365, 16);
                        jTable1.setModel(jTable1Model);
                        jTable1.setCellSelectionEnabled(true);
                        jTable1.setColumnSelectionAllowed(true);
                        jTable1.getTableHeader().setOpaque(true);
                        jTable1.getTableHeader().setBounds(0, 0, 375, 30);
                    }
                }
                {
                    jButton1 = new JButton();
                    jPanel1.add(jButton1);
                    jButton1.setText("Losuj");
                    jButton1.setBounds(155, 177, 73, 28);
                    jButton1.addActionListener(new ActionListener() {
                        public void actionPerformed(ActionEvent evt) {
                            jButton1ActionPerformed(evt);
                        }
                    });
                }
            }
            pack();
            setSize(400, 300);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private void jRadioButton1ActionPerformed(ActionEvent evt) {
        System.out.println("jRadioButton1.actionPerformed, event="+evt);
        //TODO add your code for jRadioButton1.actionPerformed
        jRadioButton1.setSelected(true);
        jRadioButton2.setSelected(false);
        jRadioButton3.setSelected(false);
    }

    private void jRadioButton2ActionPerformed(ActionEvent evt) {
        System.out.println("jRadioButton2.actionPerformed, event="+evt);
        //TODO add your code for jRadioButton2.actionPerformed
        jRadioButton1.setSelected(false);
        jRadioButton2.setSelected(true);
        jRadioButton3.setSelected(false);
    }

    private void jRadioButton3ActionPerformed(ActionEvent evt) {
        System.out.println("jRadioButton3.actionPerformed, event="+evt);
        //TODO add your code for jRadioButton3.actionPerformed
        jRadioButton1.setSelected(false);
        jRadioButton2.setSelected(false);
        jRadioButton3.setSelected(true);
    }

    private void jButton1ActionPerformed(ActionEvent evt) {
        System.out.println("jButton1.actionPerformed, event="+evt);
        //TODO add your code for jButton1.actionPerformed
         int p,q,k;
            Random r=new Random();
            double [] a=new double[3];
            double [] b=new double[3];
            double [] c=new double[5];
            double [] x=new double[5];

            if(jRadioButton1.isSelected()){
                x[0]=1.0;
              for(int i=1;i<=4;i++){
                p=(1-2*r.nextInt(2))*r.nextInt(10);
                q=1+r.nextInt(10);
                x[i]=(double)(p)/q;
                x[0]*=(double)q;
             }
             for(int i=0;i<=4;i++)
                if(i%2==0) jTable1.setValueAt(x[0]*viete(4,i,x),0 ,i);
                else jTable1.setValueAt(-x[0]*viete(4,i,x),0 ,i);
            }
            if(jRadioButton2.isSelected()){
                a[2]=(1+r.nextInt(9))*(1-2*r.nextInt(2));
                a[1]=r.nextInt(10)*(1-2*r.nextInt(2));
                a[0]=r.nextInt(10)*(1-2*r.nextInt(2));
                b[2]=(1+r.nextInt(9))*(1-2*r.nextInt(2));
                b[1]=r.nextInt(10)*(1-2*r.nextInt(2));
                b[0]=r.nextInt(10)*(1-2*r.nextInt(2));
                c[4]=a[2]*b[2];
                c[3]=a[2]*b[1]+a[1]*b[2];
                c[2]=a[2]*b[0]+a[1]*b[1]+a[0]*b[2];
                c[1]=a[1]*b[0]+a[0]*b[1];
                c[0]=a[0]*b[0];
                for(k=0;k<=4;k++)
                    jTable1.setValueAt(c[k],0,4-k);

            }
            if(jRadioButton3.isSelected()){
                c[4]=(1+r.nextInt(9))*(1-2*r.nextInt(2));
                for(k=3;k>=0;k--)
                    c[k]=r.nextInt(10)*(1-2*r.nextInt(2));
                for(k=0;k<=4;k++)
                    jTable1.setValueAt(c[k],0,4-k);
            }
    }

     private double viete(int n,int k,double[] x){
            if(k==0) return 1.0;
            else if (n==0) return 0.0;
            else return viete(n-1,k,x)+viete(n-1,k-1,x)*x[n];
        }

}