/*
 * Copyright (c) 2017, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package com.sun.s1asdev.jdbc.cpdsperf.ejb;

import jakarta.ejb.*;
import javax.naming.*;
import javax.sql.*;
import java.rmi.*;
import java.util.*;
import java.sql.*;

public class SimpleBMPBean implements EntityBean {

    //protected ConnectionPoolDataSource ds;
    protected DataSource dsCP;
    protected DataSource dsNormal;
    int id;
    protected int numRuns;

    public void setEntityContext(EntityContext entityContext) {
    Context context = null;
    try {
        context    = new InitialContext();
        dsCP = (DataSource) context.lookup("java:comp/env/DataSource-cp");
        dsNormal = (DataSource) context.lookup("java:comp/env/DataSource-normal");
    } catch (NamingException e) {
        throw new EJBException("cant find datasource");
    }
    System.out.println("[**SimpleBMPBean**] Done with setEntityContext....");
    }

    public Integer ejbCreate(int _numRuns) throws CreateException {
        numRuns = _numRuns;
    return new Integer(1);
    }

    /**
     * Do an SQL insert into the database and time this
     * @return time taken. -1 If test fails
     */
    public long test1() {
        //ConnectionPoolDataSource
    System.out.println("-----------------Start test1--------------");
    Connection conn = null;
    boolean passed = true;
    long startTime = 0 ;
    long endTime = 0;
    try {
        startTime = System.currentTimeMillis();
        for ( int i = 0; i < numRuns; i++ ) {
            conn = dsCP.getConnection("system", "manager");
        insertEntry( i, "1234567890", conn);
        if (i / 10 == 0 ) {
            queryTable( conn );
        }
        conn.close();
        }
        endTime = System.currentTimeMillis();
    } catch (Exception e) {
        e.printStackTrace();
        passed = false;
    } finally {
        if ( conn != null ) {
            try { conn.close(); } catch( Exception e1) {}
        }
    }
    System.out.println("-----------------End test1--------------");

    try {
        emptyTable( conn );
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (conn != null) {
            try { conn.close(); } catch( Exception e1 ) {}
        }
    }
        if (passed) {
        return (endTime - startTime)/1000;
    }
    return -1;
    }

    public long test2() {
        //Normal DataSource
    System.out.println("-----------------Start test2--------------");
    Connection conn = null;
    boolean passed = true;
    long startTime = 0 ;
    long endTime = 0;
    try {
        startTime = System.currentTimeMillis();
        for ( int i = 0; i < numRuns; i++ ) {
            conn = dsNormal.getConnection("system", "manager");
        insertEntry( i, "1234567890", conn);
        if (i / 10 == 0 ) {
            queryTable( conn );
        }
        conn.close();
        }
        endTime = System.currentTimeMillis();
    } catch (Exception e) {
        e.printStackTrace();
        passed = false;
    } finally {
        if ( conn != null ) {
            try {
                conn.close();
        } catch( Exception e1) {}
        }
    }
    System.out.println("-----------------End test2--------------");

    try {
        conn = dsNormal.getConnection("system","manager");
        emptyTable(conn);
        conn.close();
    } catch( Exception e) {
        e.printStackTrace();
    } finally {
        if (conn != null) {
            try { conn.close(); } catch( Exception e1) {}
        }
    }
        if (passed) {
        return (endTime - startTime)/1000;
    }
    return -1;
    }

    private void insertEntry( int id, String phone, Connection con )
        throws SQLException {

        PreparedStatement stmt = con.prepareStatement(
        "insert into O_Customer values (?, ?)" );

    stmt.setInt(1, id);
    stmt.setString(2, phone);

    stmt.executeUpdate();
    stmt.close();
        /*
        PreparedStatement stmt = con.prepareStatement(
        "select * from O_Customer" );
    stmt.executeUpdate();
    stmt.close();
    */
    }

    private void emptyTable( Connection con ) {
        try {
            Statement stmt = con.createStatement();

        stmt.execute("delete * from O_Customer");
        stmt.close();
        } catch( Exception e) {
    }

    }

    private void queryTable( Connection con ) {
        try {
        Statement stmt = con.createStatement();
        ResultSet rs = stmt.executeQuery("select * from O_Customer");
        while( rs.next() ) ;
        rs.close();
    } catch( Exception e) {
    }
    }

    public void ejbLoad() {}
    public void ejbStore() {}
    public void ejbRemove() {}
    public void ejbActivate() {}
    public void ejbPassivate() {}
    public void unsetEntityContext() {}
    public void ejbPostCreate( int numTimes ) {}
}