<?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_friend_info()
{
    return [
        'name' => tra('Friend'),
        'documentation' => 'PluginFriend',
        'description' => tra('Friend and unfriend other users'),
        'prefs' => ['wikiplugin_friend', 'feature_search'],
        'format' => 'html',
        'body' => tra('Add or Remove Friend Button'),
        'filter' => 'int',
        'introduced' => 15,
        'iconname' => 'group',
        'params' => [
            'other_user' => [
                'required' => false,
                'name' => tra('Other User'),
                'description' => tra("The user you wish to change relations with."),
                'since' => '15.0',
                'filter' => 'text',
                'default' => '',
            ],
            'add_button_text' => [
                'required' => false,
                'name' => tra('Button Text'),
                'description' => tra("Button text that's displayed when friending a user."),
                'since' => '15.0',
                'filter' => 'text',
                'default' => '',
            ],
            'remove_button_text' => [
                'required' => false,
                'name' => tra('Button Text'),
                'description' => tra("Button text that's displayed when un-friending a user."),
                'since' => '15.0',
                'filter' => 'text',
                'default' => '',
            ],
        ],
    ];
}

function wikiplugin_friend($data, $params)
{
    extract($params, EXTR_SKIP);
    global $user;

    if (empty($other_user)) {
        return;
    }
    if (empty($add_button_text)) {
        $add_button_text = tra("Add to Friend Network");
    }
    if (empty($remove_button_text)) {
        $remove_button_text = tra("Remove from Friend Network");
    }

    $relationlib = Tikilib::lib('relation');
    $is_friend = $relationlib->get_relation_id("tiki.friend.follow", "user", $user, "user", $other_user);

    if ($is_friend) {
        $action = 'remove';
    } else {
        $action = 'add';
    }

    $smarty = TikiLib::lib('smarty');
    $smarty->assign('add_button_text', $add_button_text);
    $smarty->assign('remove_button_text', $remove_button_text);
    $smarty->assign('userwatch', $other_user);
    $smarty->assign('action', $action);
    return $smarty->fetch('wiki-plugins/wikiplugin_friend.tpl');
}