package thales;

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

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JTable;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.table.DefaultTableModel;
import javax.swing.JScrollPane;
import java.sql.*;
import java.util.ArrayList;

public class game extends JFrame {

	private JPanel contentPane;
	private JTable table;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					game frame = new game();
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the frame.
	 */
	public game() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 364, 265);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);

		JScrollPane scrollPane = new JScrollPane();
		scrollPane.setBounds(10, 11, 325, 154);
		contentPane.add(scrollPane);

		table = new JTable();
		scrollPane.setViewportView(table);
		table.setModel(new DefaultTableModel(
			new Object[][] {
				{null, null},
			},
			new String[] {
				"\u0422\u043E\u0432\u0430\u0440", "\u0426\u0435\u043D\u0430"
			}
		));
		table.getColumnModel().getColumn(0).setPreferredWidth(268);

		JButton btnNewButton = new JButton("test");
		btnNewButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {
				Connection connect;
				try {
					String driverName="com.mysql.jdbc.Driver";
					Class.forName(driverName);
					String serverName="localhost";
					String mybase="java2";
					String url_="jdbc:mysql://"+serverName+"/"+mybase;
					String username="root";
					String password="";
					connect=DriverManager.getConnection(url_,username,password);

					String query="SELECT * FROM goods";
					Statement stmt=connect.createStatement();
					ResultSet rs=stmt.executeQuery(query);

					ArrayList<Integer> list_id=new ArrayList<Integer>();
					ArrayList<Integer> list_price=new ArrayList<Integer>();

					while (rs.next()) {
						int p=rs.getInt("price");
						double d=Math.random()-0.5;
						p=(int)(p*(1+d));
						if (p<1) p=1;
						list_id.add(rs.getInt("id"));
						list_price.add(p);
					}

					for (int i = 0; i < list_id.size(); i++) {
						query="UPDATE goods SET price="+list_price.get(i)+
						" WHERE id="+list_id.get(i);
						stmt=connect.createStatement();
						stmt.executeUpdate(query);
					}


					query="SELECT * FROM goods";
					stmt=connect.createStatement();
					rs=stmt.executeQuery(query);

					DefaultTableModel model = (DefaultTableModel) table.getModel();
					while (model.getRowCount()>0) {
						  model.removeRow(0);
					}
					while (rs.next()) {
						Object[] rowData=new Object[2];
						rowData[0]=rs.getString("name");
						rowData[1]=rs.getString("price");
						model.addRow(rowData);
					}
					connect.close();
				}
				catch(Exception ex) {}

			}
		});
		btnNewButton.setBounds(10, 186, 152, 30);
		contentPane.add(btnNewButton);
	}
}