/* Generated version of this file copyright 2004 SO.MUS.AR. s.a.s.  */
/* 
 Original hand-written version of this source file 
 Copyright 2003 Sun Microsystems, Inc. All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 
 - Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
 
 - Redistribution in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in
   the documentation and/or other materials provided with the
   distribution.
 
 Neither the name of Sun Microsystems, Inc. or the names of
 contributors may be used to endorse or promote products derived
 from this software without specific prior written permission.
 
 This software is provided "AS IS," without a warranty of any
 kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
 WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
 EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES
 SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
 OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
 FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
 PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
 LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE,
 EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 
 You acknowledge that Software is not designed, licensed or intended
 for use in the design, construction, operation or maintenance of
 any nuclear facility.
*/

package com.sun.j2ee.blueprints.customer.dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.sql.DataSource;
import javax.naming.InitialContext;
import javax.naming.Context;
import javax.naming.NamingException;
import java.util.Locale;
import java.util.ArrayList;
import java.util.Iterator;

import com.sun.j2ee.blueprints.customer.ContactInformation;
import com.sun.j2ee.blueprints.customer.Address;
import com.sun.j2ee.blueprints.customer.*;

import com.sun.j2ee.blueprints.util.tracer.Debug;
import com.sun.j2ee.blueprints.util.dao.DAOUtils;
import com.sun.j2ee.blueprints.util.dao.DAOSystemException;

/**
 * This class implements AccountDAO for Pointbase database.
 * This class encapsulates all the database access for the Account.
 * It follows the Data Access Object pattern.
 */

public class PointbaseAccountDAO implements AccountDAO {

//
// ----- Molding step 1
//       Generate SQL INSERT statement string if required by
//       LOGIC.default.queries
//
    private final static String ACCOUNT_INSERT_QUERY_STR =
        "INSERT INTO " + DatabaseNames.ACCOUNT_TABLE + 
            "(userid, email, firstname, lastname, addr1, " +
            "addr2, city, state, zip, country, " +
            "phone)" +
        " VALUES " + 
            "(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";

//
// ----- Molding step 2
//       Generate SQL SELECT statement string if required by
//       LOGIC.default.queries
//
    private final static String ACCOUNT_SELECT_QUERY_STR =
        "SELECT " +
            "userid, email, firstname, lastname, addr1, " +
            "addr2, city, state, zip, country, " +
            "phone" +
        " FROM " + DatabaseNames.ACCOUNT_TABLE + 
        " WHERE " + 
            "userid = ?";

//
// ----- Molding step 3
//       Generate SQL SELECT statement string for duplicate
//       checks if required by LOGIC.default.queries
//
    private final static String ACCOUNT_DUPCHECK_QUERY_STR =
        "SELECT " +
            "userid" +
        " FROM " + DatabaseNames.ACCOUNT_TABLE + 
        " WHERE " + 
            "userid = ?";

//
// ----- Molding step 4
//       Generate custom SQL query strings if required by LOGIC.query
//
    public PointbaseAccountDAO() {
    }

//
// ----- Molding step 5
//       Generate various database access methods depending on
//       generation requests listed in LOGIC.default.queries
//
    // insert

    public void create(Account account)
                          throws DAOSystemException,
                                 AccountDAODupKeyException,
                                 AccountDAODBUpdateException,
                                 AccountDAOException {

        if (!isValidData(account)) 
            throw new AccountDAOException("Illegal data values for insert");
        if (accountExists(account.getUserId()))
            throw new AccountDAODupKeyException("Account exists for " +
                       account.getUserId());

        PreparedStatement stmt = null;
        Connection dbConnection = null;

        try {
            dbConnection = DAOUtils.getDBConnection(JNDINames.CUSTOMER_DATASOURCE);
	    stmt = dbConnection.prepareStatement(ACCOUNT_INSERT_QUERY_STR);

            stmt.setString(1,     account.getUserId().trim()            );

            ContactInformation contactInformation = account.getContactInformation();
            stmt.setString(2,     contactInformation.getEMail().trim()  );
            stmt.setString(3,     contactInformation.getGivenName().trim()  );
            stmt.setString(4,     contactInformation.getFamilyName().trim() );

            Address address = contactInformation.getAddress();
            stmt.setString(5,     address.getStreetName1().trim()       );
            if (address.getStreetName2() != null)
                stmt.setString(6,     address.getStreetName2().trim()       );
            else
                stmt.setString(6,     " " );
            stmt.setString(7,     address.getCity().trim()              );
            stmt.setString(8,     address.getState().trim()             );
            stmt.setString(9,     address.getZipCode().trim()           );
            stmt.setString(10,    address.getCountry().trim()           );
            stmt.setString(11,    contactInformation.getTelephone().trim()  );

            int resultCount = stmt.executeUpdate();

            if ( resultCount != 1 ) {
                throw new AccountDAODBUpdateException(
                    "ERROR in ACCOUNT_TABLE INSERT !! resultCount = " +
                                   resultCount);
            }
        } catch(SQLException se) {
            throw new DAOSystemException("SQLException while inserting new " +
                      "account; key = " + 
                      account.getUserId()
                      + "\n", se);
        } finally {
            DAOUtils.closeStatement(stmt);
            DAOUtils.closeConnection(dbConnection);
        }

    }

    // validate
    private boolean isValidData(Account account) {

        ContactInformation contactInformation = account.getContactInformation();
        Address address = contactInformation.getAddress();
        if (
            (account.getUserId()                    == null)
            || (contactInformation.getEMail()       == null)
            || (contactInformation.getGivenName()   == null)
            || (contactInformation.getFamilyName()  == null)
            || (address.getStreetName1()            == null)
            || (address.getCity()                   == null)
            || (address.getState()                  == null)
            || (address.getZipCode()                == null)
            || (address.getCountry()                == null)
            || (contactInformation.getTelephone()   == null)
           )
            return (false);
        else
            return (true);
    }

    // duplicate_check
    private boolean accountExists(String keyUserId) 
				throws DAOSystemException {
        PreparedStatement stmt = null;
        ResultSet result = null;
        boolean returnValue = false;

        Connection dbConnection = null;
        try {
            dbConnection = DAOUtils.getDBConnection(JNDINames.CUSTOMER_DATASOURCE);
            stmt = dbConnection.prepareStatement(ACCOUNT_DUPCHECK_QUERY_STR);
            stmt.setString(1, keyUserId.trim());
            result = stmt.executeQuery();
            if ( !result.next() ) {
                returnValue = false;
            } else {
                returnValue = true;
            }
        } catch(SQLException se) {
            throw new DAOSystemException("SQLException while checking for an"
                           + " existing account -> " +
                           keyUserId
                           + "\n", se);
        } finally {
            DAOUtils.closeResultSet(result);
            DAOUtils.closeStatement(stmt);
            DAOUtils.closeConnection(dbConnection);
        }
        return returnValue;

    }

    // select
    public Account getAccount(String keyUserId) throws
				AccountDAOFinderException,
                                DAOSystemException {

        PreparedStatement stmt = null;
        ResultSet result = null;

        Connection dbConnection = null;
        try {
            dbConnection = DAOUtils.getDBConnection(JNDINames.CUSTOMER_DATASOURCE);
            stmt = dbConnection.prepareStatement(ACCOUNT_SELECT_QUERY_STR);
            stmt.setString(1, keyUserId);
            result = stmt.executeQuery();

            if ( !result.next() )
                throw new AccountDAOFinderException(
                                  "No record for primary key " + 
                                  keyUserId);

            int i = 1;
            String    userId      = result.getString(i++);
            String    eMail       = result.getString(i++);
            String    givenName   = result.getString(i++);
            String    familyName  = result.getString(i++);
            String    streetName1 = result.getString(i++);
            String    streetName2 = result.getString(i++);
            String    city        = result.getString(i++);
            String    state       = result.getString(i++);
            String    zipCode     = result.getString(i++);
            String    country     = result.getString(i++);
            Address address = new Address(
                              streetName1, streetName2, city, state, zipCode, country);
            String    telephone   = result.getString(i++);
            ContactInformation contactInformation = new ContactInformation(
                              familyName, givenName, telephone, eMail, address);
            Account account = new Account(
                              userId, contactInformation);
            return(account);
        } catch(SQLException se) {
            throw new DAOSystemException("SQLException while getting " +
                      "account; id = " + 
                              keyUserId
                              + " :\n", se);
        } finally {
            DAOUtils.closeResultSet(result);
            DAOUtils.closeStatement(stmt);
            DAOUtils.closeConnection(dbConnection);
        }
    }
}