<?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.
// $Id$

// This script may only be included - so its better to die if called directly.
if (strpos($_SERVER['SCRIPT_NAME'], basename(__FILE__)) !== false) {
    header('location: index.php');
    exit;
}

// The plugins tab of tiki-admin.php?page=textarea tends to take a lot of memory, so this will avoid errors
// (will only work on hosts that accept ini_set of memory_limit)
@ini_set('memory_limit', -1);

$parserlib = TikiLib::lib('parser');

if ($prefs['unified_search_textarea_admin'] === 'n' || $prefs['javascript_enabled'] === 'n') {
    $plugins = [];
    foreach ($parserlib->plugin_get_list() as $name) {
        $info = $parserlib->plugin_info($name);
        if (isset($info['prefs']) && is_array($info['prefs']) && count($info['prefs']) > 0) {
            $plugins[$name] = $info;
        }
    }
    $smarty->assign('plugins', $plugins);
}
// TODO don't see where textareasetup is used anywhere
if (
    isset($_REQUEST['textareasetup']) && (getCookie('admin_textarea', 'tabs') != '#contentadmin_textarea-3')
    && $access->checkCsrf()
) {
    // tab=3 is plugins alias tab (TODO improve)
    foreach (glob('temp/cache/wikiplugin_*') as $file) {
        unlink($file);
    }
}

$cookietab = 1;

// from tiki-admin_include_textarea.php
global $tikilib;
$pluginsAlias = [];
$pluginsAliasNames = WikiPlugin_Negotiator_Wiki_Alias::getList();
sort($pluginsAliasNames);
foreach ($pluginsAliasNames as $aliasName) {
    $pluginsAlias[$aliasName] = WikiPlugin_Negotiator_Wiki_Alias::info($aliasName);
}
$pluginsReal = $parserlib->plugin_get_list(true, false);
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
    $cachelib = TikiLib::lib('cache');
    $languages = TikiLib::lib('language')->list_languages();

    foreach ($languages as $tlang) {
        $cachetag = 'plugindesc' . $tlang['value'] . '_js=' . $prefs['javascript_enabled'];
        $cachelib->invalidate($cachetag);
    }
    if (isset($_POST['enable']) && $access->checkCsrf()) {
        if (! is_array($_POST['enabled'])) {
            $_POST['enabled'] = [];
        }
        foreach ($pluginsAlias as $name) {
            $tikilib->set_preference("wikiplugin_$name", in_array($name, $_POST['enabled']) ? 'y' : 'n');
        }
        foreach (glob('temp/cache/wikiplugin_*') as $file) {
            unlink($file);
        }
    }
    if (! empty($_POST['alias_delete']) && $access->checkCsrf()) {
        // TODO add confirmation
        WikiPlugin_Negotiator_Wiki_Alias::delete($_POST['alias_delete']);
        $pluginsAlias = WikiPlugin_Negotiator_Wiki_Alias::getList();
    }
    if (
        ! empty($_REQUEST['plugin_alias'] && $access->checkCsrf())
        && ! in_array($_POST['plugin_alias'], $pluginsReal)
        && (getCookie('admin_textarea', 'tabs') == '#contentadmin_textarea-plugin_alias')
    ) {
        // tab=3 is plugins alias tab (TODO improve)
        $info = [
            'implementation' => $_POST['implementation'],
            'description' => [
                'name' => $_POST['name'],
                'description' => $_POST['description'],
                'prefs' => [] ,
                'validate' => $_POST['validate'],
                'filter' => $_POST['filter'],
                'inline' => isset($_POST['inline']) ,
                'params' => [] ,
            ] ,
            'body' => [
                'input' => isset($_POST['ignorebody']) ? 'ignore' : 'use',
                'default' => $_POST['defaultbody'],
                'params' => [] ,
            ] ,
            'params' => [] ,
        ];

        if (! empty($_POST['body'])) {
            $info['description']['body'] = $_POST['body'];
        }

        if ($_POST['validate'] == 'none') {
            unset($info['description']['validate']);
        }

        if (empty($_POST['prefs'])) {
            $temp = ["wikiplugin_{$_POST['plugin_alias']}"];
        } else {
            $temp = explode(',', $_POST['prefs']);
        }
        $info['description']['prefs'] = $temp;

        if (isset($_POST['input'])) {
            foreach ($_POST['input'] as $param) {
                if (! empty($param['token']) && ! empty($param['name'])) {
                    $info['description']['params'][$param['token']] = [
                        'required' => isset($param['required']) ,
                        'safe' => isset($param['safe']) ,
                        'name' => $param['name'],
                        'description' => $param['description'],
                        'filter' => $param['filter'],
                    ];
                }
            }
        }

        if (isset($_POST['bodyparam'])) {
            foreach ($_POST['bodyparam'] as $param) {
                if (! empty($param['token'])) {
                    $info['body']['params'][$param['token']] = [
                        'input' => $param['input'],
                        'encoding' => $param['encoding'],
                        'default' => $param['default'],
                    ];
                }
            }
        }

        if (isset($_POST['sparams'])) {
            foreach ($_POST['sparams'] as $detail) {
                if (! empty($detail['token'])) {
                    $info['params'][$detail['token']] = $detail['default'];
                }
            }
        }

        if (isset($_POST['cparams'])) {
            foreach ($_POST['cparams'] as $detail) {
                if (! empty($detail['token'])) {
                    $info['params'][$detail['token']] = [
                        'pattern' => $detail['pattern'],
                        'params' => [] ,
                    ];
                    foreach ($detail['params'] as $param) {
                        if (! empty($param['token'])) {
                            $info['params'][$detail['token']]['params'][$param['token']] = [
                                'input' => $param['input'],
                                'encoding' => $param['encoding'],
                                'default' => $param['default'],
                            ];
                        }
                    }
                }
            }
        }

        WikiPlugin_Negotiator_Wiki_Alias::store($_POST['plugin_alias'], $info);

        if (! in_array($_POST['plugin_alias'], $pluginsAlias)) {
            $pluginAlias[] = $_POST['plugins'];
        }

        foreach (glob('temp/cache/wikiplugin_*') as $file) {
            unlink($file);
        }

        $pluginsAlias = WikiPlugin_Negotiator_Wiki_Alias::getList();
    }
}

if (
    isset($_REQUEST['plugin_alias'])
    && $pluginInfo = WikiPlugin_Negotiator_Wiki_Alias::info($_REQUEST['plugin_alias'])
) {
    // Add an extra empty parameter to create new ones
    $pluginInfo['description']['params']['__NEW__'] = [
        'name' => '',
        'description' => '',
        'required' => '',
        'safe' => '',
    ];

    $pluginInfo['body']['params']['__NEW__'] = [
        'encoding' => '',
        'input' => '',
        'default' => '',
    ];

    $pluginInfo['params']['__NEW__'] = [
        'pattern' => '',
        'params' => [] ,
    ];

    foreach ($pluginInfo['params'] as & $p) {
        if (is_array($p)) {
            $p['params']['__NEW__'] = [
                'encoding' => '',
                'input' => '',
                'default' => '',
            ];
        }
    }

    $smarty->assign('plugin_admin', $pluginInfo);
    $cookietab = 3;
} else {
    $emptyPluginInfo = [];
    $emptyPluginInfo['description']['params']['__NEW__'] = [
        'name' => '',
        'description' => '',
        'required' => '',
        'safe' => '',
    ];

    $emptyPluginInfo['body']['params']['__NEW__'] = [
        'encoding' => '',
        'input' => '',
        'default' => '',
    ];

    $emptyPluginInfo['params']['__NEW__'] = [
        'pattern' => '',
        'params'  => [
            '__NEW__' => [
                'encoding' => '',
                'input'    => '',
                'default'  => '',
            ],
        ],
    ];

    $smarty->assign('plugin_admin', $emptyPluginInfo);
}
$smarty->assign('plugins_alias', $pluginsAlias);
$smarty->assign('plugins_real', $pluginsReal);

if (isset($_REQUEST['disabled']) && $tiki_p_admin == 'y') {
    $offset = 0;
    $disabled = [];
    foreach ($parserlib->plugin_get_list() as $name) {
        if ($prefs["wikiplugin_$name"] == 'n') {
            $allDisabled[] = $name;
        }
    }
    do {
        $pages = $tikilib->list_pages($offset, $prefs['maxRecords'], 'pageName_asc');
        if (empty($pages['data'])) {
            break;
        }
        $offset += $prefs['maxRecords'];
        foreach ($pages['data'] as $page) {
            $plugins = $parserlib->getPlugins($page['data'], $allDisabled);
            if (! empty($plugins)) {
                foreach ($plugins as $plugin) {
                    if (! in_array($plugin[1], $disabled)) {
                        $disabled[] = $plugin[1];
                    }
                }
            }
        }
    } while (true);
    $smarty->assign_by_ref('disabled', $disabled);
}