<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social.  If not, see <http://www.gnu.org/licenses/>.

defined('GNUSOCIAL') || die();

/**
 * A list of the user's subscriptions
 *
 * @category  Plugin
 * @package   SearchSubPlugin
 * @author    Evan Prodromou <evan@status.net>
 * @copyright 2011-2019 Free Software Foundation, Inc http://www.fsf.org
 * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
 */
class SearchSubsAction extends GalleryAction
{
    public function title()
    {
        if ($this->page == 1) {
            // TRANS: Header for subscriptions overview for a user (first page).
            // TRANS: %s is a user nickname.
            return sprintf(_m('%s\'s search subscriptions'), $this->getTarget()->getNickname());
        } else {
            // TRANS: Header for subscriptions overview for a user (not first page).
            // TRANS: %1$s is a user nickname, %2$d is the page number.
            return sprintf(
                _m('%1$s\'s search subscriptions, page %2$d'),
                $this->getTarget()->getNickname(),
                $this->page
            );
        }
    }

    public function showPageNotice()
    {
        if ($this->scoped instanceof Profile && $this->scoped->sameAs($this->getTarget())) {
            $this->element(
                'p',
                null,
                // TRANS: Page notice for page with an overview of all search subscriptions
                // TRANS: of the logged in user's own profile.
                _m('You have subscribed to receive all notices on this site matching the following searches:')
            );
        } else {
            $this->element(
                'p',
                null,
                // TRANS: Page notice for page with an overview of all subscriptions of a user other
                // TRANS: than the logged in user. %s is the user nickname.
                sprintf(
                    _m('%s has subscribed to receive all notices on this site matching the following searches:'),
                    $this->getTarget()->getNickname()
                )
            );
        }
    }

    public function showContent()
    {
        if (Event::handle('StartShowTagSubscriptionsContent', array($this))) {
            parent::showContent();

            $offset = ($this->page - 1) * PROFILES_PER_PAGE;
            $limit = PROFILES_PER_PAGE + 1;

            $cnt = 0;

            $searchsub = new SearchSub();
            $searchsub->profile_id = $this->getTarget()->getID();
            $searchsub->limit($limit, $offset);
            $searchsub->find();

            if ($searchsub->N) {
                $list = new SearchSubscriptionsList($searchsub, $this->getTarget(), $this);
                $cnt = $list->show();
                if (0 == $cnt) {
                    $this->showEmptyListMessage();
                }
            } else {
                $this->showEmptyListMessage();
            }

            $this->pagination(
                $this->page > 1,
                $cnt > PROFILES_PER_PAGE,
                $this->page,
                'searchsubs',
                array('nickname' => $this->getTarget()->getNickname())
            );


            Event::handle('EndShowTagSubscriptionsContent', array($this));
        }
    }

    public function showEmptyListMessage()
    {
        if (common_logged_in()) {
            if ($this->scoped->sameAs($this->getTarget())) {
                // TRANS: Search subscription list text when the logged in user has no search subscriptions.
                $message = _m('You are not subscribed to any text searches right now. You can push the "Subscribe" button ' .
                    'on any notice text search to automatically receive any public messages on this site that match that ' .
                    'search, even if you are not subscribed to the poster.');
            } else {
                // TRANS: Search subscription list text when looking at the subscriptions for a of a user other
                // TRANS: than the logged in user that has no search subscriptions. %s is the user nickname.
                $message = sprintf(_m('%s is not subscribed to any searches.'), $this->getTarget()->getNickname());
            }
        } else {
            // TRANS: Subscription list text when looking at the subscriptions for a of a user that has none
            // TRANS: as an anonymous user. %s is the user nickname.
            $message = sprintf(_m('%s is not subscribed to any searches.'), $this->getTarget()->getNickname());
        }

        $this->elementStart('div', 'guide');
        $this->raw(common_markup_to_html($message));
        $this->elementEnd('div');
    }
}

// XXX SubscriptionsList and SubscriptionList are dangerously close

class SearchSubscriptionsList extends SubscriptionList
{
    public function newListItem(Profile $searchsub)
    {
        return new SearchSubscriptionsListItem($searchsub, $this->owner, $this->action);
    }
}

class SearchSubscriptionsListItem extends SubscriptionListItem
{
    public function startItem()
    {
        $this->out->elementStart('li', array('class' => 'searchsub'));
    }

    public function showProfile()
    {
        $searchsub = $this->profile;
        $search = $searchsub->search;

        // Relevant portion!
        $cur = common_current_user();
        if (!empty($cur) && $cur->id == $this->owner->id) {
            $this->showOwnerControls();
        }

        $url = common_local_url('noticesearch', array('q' => $search));
        // TRANS: Search subscription list item. %1$s is a URL to a notice search,
        // TRANS: %2$s are the search criteria, %3$s is a datestring.
        $linkline = sprintf(
            _m('"<a href="%1$s">%2$s</a>" since %3$s'),
            htmlspecialchars($url),
            htmlspecialchars($search),
            common_date_string($searchsub->created)
        );

        $this->out->elementStart('div', 'searchsub-item');
        $this->out->raw($linkline);
        $this->out->element('div', array('style' => 'clear: both'));
        $this->out->elementEnd('div');
    }

    public function showActions()
    {
    }

    public function showOwnerControls()
    {
        $this->out->elementStart('div', 'entity_actions');

        $searchsub = $this->profile; // ?
        $form = new SearchUnsubForm($this->out, $searchsub->search);
        $form->show();

        $this->out->elementEnd('div');
        return;
    }
}