<?php
/*
 * @package AJAX_Chat
 * @author Sebastian Tschan
 * @copyright (c) Sebastian Tschan
 * @license GNU Affero General Public License
 * @link https://blueimp.net/ajax/
 */

// Class to initialize the DataBase connection:
class AJAXChatDataBase {

    private $_db;

    function __construct(&$dbConnectionConfig) {
        switch($dbConnectionConfig['type']) {
            case 'mysqli':
                $this->_db = new AJAXChatDataBaseMySQLi($dbConnectionConfig);
                break;
            default:
                $this->_db = new AJAXChatDataBaseMySQLi($dbConnectionConfig);
        }
    }

    // Method to connect to the DataBase server:
    function connect(&$dbConnectionConfig) {
        return $this->_db->connect($dbConnectionConfig);
    }

    // Method to select the DataBase:
    function select($dbName) {
        return $this->_db->select($dbName);
    }

    // Method to determine if an error has occured:
    function error() {
        return $this->_db->error();
    }

    // Method to return the error report:
    function getError() {
        return $this->_db->getError();
    }

    // Method to return the connection identifier:
    function &getConnectionID() {
        return $this->_db->getConnectionID();
    }

    // Method to prevent SQL injections:
    function makeSafe($value) {
        return $this->_db->makeSafe($value);
    }

    // Method to perform SQL queries:
    function sqlQuery($sql) {
        return $this->_db->sqlQuery($sql);
    }

    // Method to retrieve the current DataBase name:
    function getName() {
        //return $this->_db->getName();
        //If your database has hyphens ( - ) in it, try using this instead:
        return '`'.$this->_db->getName().'`';
    }

    // Method to retrieve the last inserted ID:
    function getLastInsertedID() {
        return $this->_db->getLastInsertedID();
    }

}