<?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_invite_info()
{
    return [
        'name' => tra('Invite'),
        'documentation' => 'PluginInvite',
        'description' => tra('Invite a user to join your groups'),
        'prefs' => [ 'wikiplugin_invite', 'feature_invite' ],
        'body' => tra('Confirmation message after posting form'),
        'iconname' => 'share',
        'introduced' => 4,
        'params' => [
            'including' => [
                'required' => false,
                'name' => tra('Including Group'),
                'description' => tra('Will list only the groups that include this group'),
                'since' => '4.0',
                'filter' => 'groupname',
            ],
            'defaultgroup' => [
                'required' => false,
                'name' => tra('Default Group'),
                'description' => tra('Dropdown list will show this group by default'),
                'since' => '4.0',
                'filter' => 'groupname',
            ],
            'itemId' => [
                'required' => false,
                'name' => tra('Item ID'),
                'description' => tra('Dropdown list will show the group related to this item ID (in group selector or
                    creator field) by default'),
                'since' => '4.0',
                'filter' => 'text',
                'profile_reference' => 'tracker_item',
            ],
        ]
    ];
}
function wikiplugin_invite($data, $params)
{
    global $prefs, $user, $tiki_p_invite_to_my_groups;
    $userlib = TikiLib::lib('user');
    $tikilib = TikiLib::lib('tiki');
    $smarty = TikiLib::lib('smarty');

    if ($tiki_p_invite_to_my_groups != 'y') {
        return;
    }
    $userGroups = $userlib->get_user_groups_inclusion($user);
    if (! empty($params['including'])) {
        $groups = $userlib->get_including_groups($params['including']);
        foreach ($userGroups as $gr => $inc) {
            if (! in_array($gr, $groups)) {
                unset($userGroups[$gr]);
            }
        }
    }
    $errors = [];
    if (isset($_REQUEST['invite'])) {
        if (empty($_REQUEST['email'])) {
            $errors[] = tra('The following mandatory fields are missing') . ' ' . tra('Email address');
        }
        if (! validate_email($_REQUEST['email'])) {
            $errors[] = tra('Invalid Email') . ' ' . $_REQUEST['email'];
        }
        if (! empty($_REQUEST['groups'])) {
            foreach ($_REQUEST['groups'] as $group) {
                if (empty($userGroups[$group])) {
                    $errors[] = tra('Incorrect param') . ' ' . $group;
                }
            }
        }
        if (empty($errors)) {
            $email = $_REQUEST['email'];
            if (! ($invite = $userlib->get_user_by_email($email))) {
                $new_user = true;
                $password = 'toto';//$tikilib->genPass();
                $codedPassword = md5($password);
                if ($prefs['login_autogenerate'] == 'y') {
                    $uname = '';
                } else {
                    $uname = $email;
                }
                $uname = $userlib->add_user($uname, $password, $email, $password, true, null);
                $smarty->assign('codedPassword', $codedPassword);
                $invite = $email;
            } else {
                $new_user = false;
            }
            $smarty->assign_by_ref('new_user', $new_user);
            $smarty->assign_by_ref('invite', $invite);
            if (! empty($_REQUEST['groups'])) {
                foreach ($_REQUEST['groups'] as $group) {
                    $userlib->assign_user_to_group($uname, $group);
                    $invitedGroups[] = $userlib->get_group_info($group);
                }
            }
            include_once('lib/webmail/tikimaillib.php');
            $mail = new TikiMail();
            $machine = parse_url($_SERVER['REQUEST_URI']);
            $machine = $tikilib->httpPrefix(true) . dirname($machine['path']);
            $smarty->assign_by_ref('machine', $machine);
            $subject = sprintf($smarty->fetch('mail/mail_invite_subject.tpl'), $_SERVER['SERVER_NAME']);
            $mail->setSubject($subject);
            if (! empty($_REQUEST['message'])) {
                $smarty->assign('message', $_REQUEST['message']);
            }
            $smarty->assign_by_ref('groups', $invitedGroups);
            $txt = $smarty->fetch('mail/mail_invite.tpl');
            $mail->setText($txt);
            $mail->send([$email]);

            return $data;
        } else {
            Feedback::error(['mes' => $errors]);
            $smarty->assign_by_ref('email', $_REQUEST['email']);
            if (! empty($_REQUEST['groups'])) {
                $smarty->assign_by_ref('groups', $_REQUEST['groups']);
            }
            if (! empty($_REQUEST['message'])) {
                $smarty->assign_by_ref('message', $_REQUEST['message']);
            }
        }
    }
    if (! empty($_REQUEST['itemId'])) {
        $params['itemId'] = $_REQUEST['itemId'];
    }
    if (! empty($params['itemId'])) {
        $item = Tracker_Item::fromId($params['itemId']);
        $params['defaultgroup'] = $item->getOwnerGroup();
    }
    $smarty->assign_by_ref('params', $params);
    $smarty->assign_by_ref('userGroups', $userGroups);
    return '~np~' . $smarty->fetch('wiki-plugins/wikiplugin_invite.tpl') . '~/np~';
}