<?php

// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id$

function wikiplugin_benchmark_info()
{
    return [
        'name' => tra('Benchmark'),
        //'documentation' => tra('PluginTransclude'),
        'description' => tra('Performance-test wiki content (used by developers to optimize plugins).'),
        'prefs' => ['wikiplugin_benchmark'],
        //'extraparams' => true,
        'defaultfilter' => 'text',
        //'iconname' => 'copy',
        'introduced' => 17,
        'format' => 'html',
        'tags' => [ 'advanced' ],
        'params' => [
            'times' => [
                'required' => false,
                'name' => tra('Iteration Quantity'),
                'description' => tra('The number of iterations to process.'),
                'since' => '17.0',
                'default' => '1000',
                'filter' => 'alpha',
                //'profile_reference' => 'wiki_page',
            ],
            'details' => [
                'required' => false,
                'name' => tra('Each Iteration Details'),
                'description' => tra('Provides time and memory of each iteration.'),
                'since' => '17.0',
                'default' => 'true',
                'filter' => 'alpha',
                //'profile_reference' => 'wiki_page',
            ],
        ],
    ];
}


function wikiplugin_benchmark($data, $params)
{
    $smarty = TikiLib::lib('smarty');
    $parserlib = TikiLib::lib('parser');

    if (! isset($params['times'])) {
        $params['times'] = 100;
    }

    if (isset($params['details']) && ($params['details'] == '' || $params['details'] == 'false')) {
        // if were not disclosing details

        $iterations = [];
        // Complete iterations benchmark
        $begin = microtime(true);
        $memBeginReal = memory_get_usage(true);
        $memBegin = memory_get_usage();
        for ($times = 0; $times < ($params['times']); $times++) {
            $parserlib->parse_data_plugin($data);
        }
        $end = microtime(true);
        $memEnd = memory_get_usage();
        $memEndReal = memory_get_usage(true);

        $smarty->assign('iterations', $iterations);
        $smarty->assign('times', $params['times']);
        $smarty->assign('time', round(($end - $begin) / 60, 4));
        $smarty->assign('memory', $memEnd - $memBegin);
        $smarty->assign('memoryReal', $memEndReal - $memBeginReal);
        return $smarty->fetch('templates/wiki-plugins/wikiplugin_benchmark.tpl') . $parserlib->parse_data_plugin($data);
    }

    // Complete iterations benchmark

    $iterations = [];
    $begin = microtime(true);
    $memBeginReal = memory_get_usage(true);
    $memBegin = memory_get_usage();
    for ($times = 0; $times < ($params['times']); $times++) {
        $timeBeginI = microtime(true);
        $memBeginIReal = memory_get_usage(true);
        $memBeginI = memory_get_usage();
        $parserlib->parse_data_plugin($data);
        $memEndI = memory_get_usage();
        $memEndIReal = memory_get_usage(true);
        $timeEndI = microtime(true);
        $iterations['time'][] = round(($timeEndI - $timeBeginI), 4);
        $iterations['mem'][] = $memEndI - $memBeginI;
        $iterations['memR'][] = $memEndIReal - $memBeginIReal;
    }
    $end = microtime(true);
    $memEnd = memory_get_usage();
    $memEndReal = memory_get_usage(true);

    $smarty->assign('iterations', $iterations);
    $smarty->assign('times', $params['times']);
    $smarty->assign('time', round(($end - $begin), 4));
    $smarty->assign('timeMicro', round(($end - $begin) * 60, 4));
    $smarty->assign('memory', $memEnd - $memBegin);
    $smarty->assign('memoryReal', $memEndReal - $memBeginReal);
    $smarty->assign('timeA', round(array_sum($iterations['time']) / $params['times'] / 60, 4));
    $smarty->assign('timeAMicro', round(array_sum($iterations['time']) / $params['times'], 4));
    $smarty->assign('memoryA', round(array_sum($iterations['mem']) / $params['times'], 0));
    $smarty->assign('memoryRealA', array_sum($iterations['memR']) / $params['times']);
    return $smarty->fetch('templates/wiki-plugins/wikiplugin_benchmark.tpl') . $parserlib->parse_data_plugin($data);
}