<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * Selenium parent class for TestCases
 *
 * @package    PhpMyAdmin-test
 * @subpackage Selenium
 */

/**
 * PmaSeleniumTestCase class
 *
 * @package    PhpMyAdmin-test
 * @subpackage Selenium
 */
class PmaSeleniumTestCase
{
    /**
     * Username of the user
     *
     * @access private
     * @var string
     */
    private $_txtUsername;

    /**
     * Password for the user
     *
     * @access private
     * @var string
     */
    private $_txtPassword;

    /**
     * id of the login button
     *
     * @access private
     * @var string
     */
    private $_btnLogin;

    /**
     * Selenium Context
     *
     * @access private
     * @var object
     */
    private $_selenium;

    /**
     * Configuration Instance
     *
     * @access private
     * @var object
     */
    private $_config;

    /**
     * mysqli object
     *
     * @access private
     * @var object
     */
    private $_mysqli;

    /**
     * constructor
     *
     * @param object $selenium Selenium Context
     */
    public function __construct($selenium)
    {
        $this->_txtUsername = 'input_username';
        $this->_txtPassword = 'input_password';
        $this->_btnLogin = 'input_go';
        $this->_config = new TestConfig();
        $this->_selenium = $selenium;
        $this->_mysqli = null;
    }

    /**
     * perform a login
     *
     * @param string $username Username
     * @param string $password Password
     *
     * @return void
     */
    public function login($username, $password)
    {
        $this->_selenium->open($this->_config->getLoginURL());
        $this->_selenium->type($this->_txtUsername, $username);
        $this->_selenium->type($this->_txtPassword, $password);
        $this->_selenium->clickAndWait($this->_btnLogin);
        //$this->_selenium->waitForPageToLoad($this->_config->getTimeoutValue());
    }

    /**
     * Checks whether the login is successful
     *
     * @return boolean
     */
    public function isSuccessLogin()
    {
        if ($this->_selenium->isElementPresent("//*[@id=\"serverinfo\"]")) {
            return true;
        } else {
            return false;
        }
    }

    /**
    * Checks whether the login is unsuccessful
    *
    * @return boolean
    */
    public function isUnsuccessLogin()
    {
        if ($this->_selenium->isElementPresent("css=div.error")) {
            return true;
        } else {
            return false;
        }
    }

    /**
    * Used to go to the homepage
    *
    * @return void
    */
    public function gotoHomepage()
    {
        $this->_selenium->click("css=div#serverinfo a:contains('Server:')");
        $this->_selenium->waitForElementNotPresent('css=div#loading_parent');
    }

    /**
     * Establishes a connection with the local database
     * 
     * @return void
     */
    public function dbConnect()
    {
        if ($this->_mysqli === null) {
            list($user, $pass) = $this->_config->getDBCredentials();
            
            $this->_mysqli = new mysqli(
                "localhost", $user, $pass
            );
            
            if ($this->_mysqli->connect_errno) {
                throw new Exception(
                    'Failed to connect to MySQL (' . $this->_mysqli->error . ')'
                );
            }
        }
    }

    /**
     * Executes a database query
     * 
     * @param string $query SQL Query to be executed
     * 
     * @return void
     */
    public function dbQuery($query)
    {
        if ($this->_mysqli === null) {
            throw new Exception(
                'MySQL not connected'
            );
        }
        $this->_mysqli->query($query);
    }
}
?>