<?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_lastmod_info()
{
    return [
        'name' => tra('Last Modification'),
        'documentation' => 'PluginLastMod',
        'description' => tra('Show the last modification date for a page'),
        'prefs' => ['feature_wiki', 'wikiplugin_lastmod'],
        'iconname' => 'edit',
        'introduced' => 2,
        'params' => [
            'page' => [
                'required' => false,
                'name' => tra('Page'),
                'description' => tra('Page name to display information of. Default value is current page.'),
                'since' => '2.0',
                'profile_reference' => 'wiki_page',
                'filter' => 'pagename',
            ],
            'format' => [
                'required' => false,
                'name' => tra('Date format'),
                'description' => tra('Set date and time format according to site settings.'),
                'since' => '15.0',
                'filter' => 'text',
                'options' => [
                    ['text' => '', 'value' => ''],
                    ['text' => tra('Long date'), 'value' => 'long_date'],
                    ['text' => tra('Short date'), 'value' => 'short_date'],
                    ['text' => tra('Long datetime'), 'value' => 'long_datetime'],
                    ['text' => tra('Short datetime'), 'value' => 'short_datetime'],
                    ['text' => tra('ISO'), 'value' => 'iso'],
                ],
            ],
        ],
    ];
}

function wikiplugin_lastmod($data, $params)
{
    $tikilib = TikiLib::lib('tiki');
    global $page, $user;
    //set page
    if (! isset($params['page'])) {
        if (! empty($page)) {
            $thispage = $page;
        } else {
            return false;
        }
    } else {
        $thispage = $params['page'];
    }
    //set datetime format
    $format = isset($params['format']) ? $params['format'] : 'long_datetime';
    switch ($format) {
        case 'long_date':
            $lastmod = $tikilib->get_long_date($tikilib->page_exists_modtime($thispage), $user);
            break;
        case 'short_date':
            $lastmod = $tikilib->get_short_date($tikilib->page_exists_modtime($thispage), $user);
            break;
        case 'short_datetime':
            $lastmod = $tikilib->get_short_datetime($tikilib->page_exists_modtime($thispage), $user);
            break;
        case 'iso':
            $lastmod = $tikilib->get_iso8601_datetime($tikilib->page_exists_modtime($thispage), $user);
            break;
        default:
            $lastmod = $tikilib->get_long_datetime($tikilib->page_exists_modtime($thispage), $user);
    }
    return $lastmod;
}