<?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_localfiles_info()
{
    return [
        'name' => tra('Local Files'),
        'documentation' => 'PluginLocalFiles',
        'description' => tra('Show a link to local or shared files and directories.'),
        'prefs' => ['wikiplugin_localfiles'],
        'iconname' => 'file',
        'introduced' => 12,
        'tags' => [ 'experimental' ],
        'format' => 'html',
        'validate' => 'all',
        'params' => [
            'path' => [
                'required' => false,
                'name' => tra('Path'),
                'description' => tra('Local file or directory path'),
                'since' => '12.0',
                'default' => '',
                'filter' => 'text',
            ],
            'list' => [
                'required' => false,
                'name' => tra('List Directory'),
                'description' => tra('If the path above is a directory then list the contents.'),
                'since' => '12.0',
                'filter' => 'alpha',
                'default' => 'n',
                'options' => [
                    ['text' => '', 'value' => ''],
                    ['text' => tra('Yes'), 'value' => 'y'],
                    ['text' => tra('No'), 'value' => 'n']
                ]
            ],
            'icons' => [
                'required' => false,
                'name' => tra('Show Icons'),
                'description' => tra('Show MIME file-type icons.'),
                'since' => '12.0',
                'filter' => 'alpha',
                'default' => 'y',
                'options' => [
                    ['text' => '', 'value' => ''],
                    ['text' => tra('Yes'), 'value' => 'y'],
                    ['text' => tra('No'), 'value' => 'n']
                ]
            ],
        ],
    ];
} // wikiplugin_localfiles_info()


function wikiplugin_localfiles($data, $params)
{
    // TODO refactor: defaults for plugins?
    $smartylib = TikiLib::lib('smarty');
    $defaults = [];
    $plugininfo = wikiplugin_localfiles_info();
    foreach ($plugininfo['params'] as $key => $param) {
        $defaults[$key] = $param['default'];
    }
    $params = array_merge($defaults, $params);
    $files = [];
    if (! is_array($params['path'])) {
        if ($params['list'] === 'y' && file_exists($params['path']) && is_dir($params['path'])) {
            $params['path'] = scandir($params['path']);
        } else {
            $params['path'] = [$params['path']];
        }
    }
    foreach ($params['path'] as $path) {
        $info = pathinfo($path);
        if (! $info || $info['basename'] === $path) {   // windows file but non-windows server
            preg_match('%^(.*?)[\\\\/]*(([^/\\\\]*?)(\.([^\.\\\\/]+?)|))[\\\\/\.]*$%im', $path, $m);
            if (! empty($m[1])) {
                $info['dirname'] = $m[1];
            }
            if (! empty($m[2])) {
                $info['basename'] = $m[2];
            }
            if (! empty($m[5])) {
                $info['extension'] = $m[5];
            }
            if (! empty($m[3])) {
                $info['filename'] = $m[3];
            }
            // thanks http://www.php.net/manual/en/function.pathinfo.php#107461
        }
        if ($params['icons'] === 'y') {
            $smartylib->loadPlugin('smarty_modifier_iconify');
            $iconhtml = smarty_modifier_iconify($info['basename']);
        }

        $files[] = [
            'path' => $path,
            'name' => $info['basename'],
            'icon' => $iconhtml,
        ];
    }

    $smartylib->assign('files', $files);
    $smartylib->assign('isIE', strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false);

    return $smartylib->fetch('wiki-plugins/wikiplugin_localfiles.tpl');
}