<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * displays the advisor feature
 *
 * @package PhpMyAdmin
 */

require_once 'libraries/common.inc.php';
require_once 'libraries/Advisor.class.php';
require_once 'libraries/ServerStatusData.class.php';
if (PMA_DRIZZLE) {
    $server_master_status = false;
    $server_slave_status = false;
} else {
    include_once 'libraries/replication.inc.php';
    include_once 'libraries/replication_gui.lib.php';
}

$ServerStatusData = new PMA_ServerStatusData('server_status_advisor.php');

$response = PMA_Response::getInstance();
$scripts = $response->getHeader()->getScripts();
$scripts->addFile('server_status_advisor.js');

$output  = '<div>';
$output .= $ServerStatusData->getMenuHtml();
$output .= '<a href="#openAdvisorInstructions">';
$output .= PMA_Util::getIcon('b_help.png', __('Instructions'));
$output .= '</a>';
$output .= '<div id="statustabs_advisor"></div>';
$output .= '<div id="advisorInstructionsDialog" style="display:none;">';
$output .= '<p>';
$output .= __(
    'The Advisor system can provide recommendations '
    . 'on server variables by analyzing the server status variables.'
);
$output .= '</p>';
$output .= '<p>';
$output .= __(
    'Do note however that this system provides recommendations '
    . 'based on simple calculations and by rule of thumb which may '
    . 'not necessarily apply to your system.'
);
$output .= '</p>';
$output .= '<p>';
$output .= __(
    'Prior to changing any of the configuration, be sure to know '
    . 'what you are changing (by reading the documentation) and how '
    . 'to undo the change. Wrong tuning can have a very negative '
    . 'effect on performance.'
);
$output .= '</p>';
$output .= '<p>';
$output .= __(
    'The best way to tune your system would be to change only one '
    . 'setting at a time, observe or benchmark your database, and undo '
    . 'the change if there was no clearly measurable improvement.'
);
$output .= '</p>';
$output .= '</div>';
$output .= '<div id="advisorData" style="display:none;">';
$advisor = new Advisor();
$output .= htmlspecialchars(
    json_encode(
        $advisor->run()
    )
);
$output .= '</div>';
$output .= '</div>';

$response->addHTML($output);

?>
