<?php
/*
 * Laconica - a distributed open-source microblogging tool
 * Copyright (C) 2008, Controlez-Vous, Inc.
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

if (!defined('LACONICA')) { exit(1); }

require_once(INSTALLDIR.'/lib/settingsaction.php');

class OthersettingsAction extends SettingsAction {

	function get_instructions() {
		return _('Manage various other options.');
	}

	function show_form($msg=NULL, $success=false) {
		$user = common_current_user();
		
		$this->form_header(_('Other Settings'), $msg, $success);
		
		common_element('h2', NULL, _('URL Auto-shortening'));
		common_element_start('form', array('method' => 'post',
										   'id' => 'othersettings',
										   'action' =>
										   common_local_url('othersettings')));
		common_hidden('token', common_session_token());

		$services = array(
			'' => 'None',
            'ur1.ca' => 'ur1.ca (free service)',
            '2tu.us' => '2tu.us (free service)',
            'ptiturl.com' => 'ptiturl.com',
            'bit.ly' => 'bit.ly',
			'tinyurl.com' => 'tinyurl.com',
			'is.gd' => 'is.gd',
			'snipr.com' => 'snipr.com',
			'metamark.net' => 'metamark.net'
		);
		
		common_dropdown('urlshorteningservice', _('Service'), $services, _('Automatic shortening service to use.'), FALSE, $user->urlshorteningservice);
		
		common_submit('save', _('Save'));
		
		common_element_end('form');

		common_element('h2', NULL, _('Delete my account'));
		$this->show_delete_form();

		common_show_footer();
	}

	function show_feeds_list($feeds) {
		common_element_start('div', array('class' => 'feedsdel'));
		common_element('p', null, 'Feeds:');
		common_element_start('ul', array('class' => 'xoxo'));

		foreach ($feeds as $key => $value) {
			$this->common_feed_item($feeds[$key]);
		}
		common_element_end('ul');
		common_element_end('div');
	}

    //TODO move to common.php (and retrace its origin)
	function common_feed_item($feed) {
        $user = common_current_user();
		$nickname = $user->nickname;

		switch($feed['item']) {
			case 'notices': default:
				$feed_classname = $feed['type'];
				$feed_mimetype = "application/".$feed['type']."+xml";
				$feed_title = "$nickname's ".$feed['version']." notice feed";
				$feed['textContent'] = "RSS";
				break;

			case 'foaf':
				$feed_classname = "foaf";
				$feed_mimetype = "application/".$feed['type']."+xml";
				$feed_title = "$nickname's FOAF file";
				$feed['textContent'] = "FOAF";
				break;
		}
		common_element_start('li');
		common_element('a', array('href' => $feed['href'],
								  'class' => $feed_classname,
								  'type' => $feed_mimetype,
								  'title' => $feed_title),
							$feed['textContent']);
		common_element_end('li');
	}

	function show_delete_form() {
		$user = common_current_user();
        $notices = DB_DataObject::factory('notice');
        $notices->profile_id = $user->id;
        $notice_count = (int) $notices->count();

		common_element_start('form', array('method' => 'POST',
										   'id' => 'delete',
										   'action' =>
										   common_local_url('deleteprofile')));

		common_hidden('token', common_session_token());
        common_element('p', null, "You can copy your notices and contacts by saving the two links below before deleting your account. Be careful, this operation cannot be undone.");


		$this->show_feeds_list(array(0=>array('href'=>common_local_url('userrss', array('limit' => $notice_count, 'nickname' => $user->nickname)), 
											  'type' => 'rss',
											  'version' => 'RSS 1.0',
											  'item' => 'notices'),
									 1=>array('href'=>common_local_url('foaf',array('nickname' => $user->nickname)),
											  'type' => 'rdf',
											  'version' => 'FOAF',
											  'item' => 'foaf')));

		common_submit('deleteaccount', _('Delete my account'));
		common_element_end('form');
	}


	function handle_post() {

		# CSRF protection
		$token = $this->trimmed('token');
		if (!$token || $token != common_session_token()) {
			$this->show_form(_('There was a problem with your session token. Try again, please.'));
			return;
		}

		if ($this->arg('save')) {
			$this->save_preferences();
		}else {
			$this->show_form(_('Unexpected form submission.'));
		}
	}

	function save_preferences() {

		$urlshorteningservice = $this->trimmed('urlshorteningservice');
		
		if (!is_null($urlshorteningservice) && strlen($urlshorteningservice) > 50) {
			$this->show_form(_('URL shortening service is too long (max 50 chars).'));
			return;
		}
		
		$user = common_current_user();

		assert(!is_null($user)); # should already be checked

		$user->query('BEGIN');

		$original = clone($user);

		$user->urlshorteningservice = $urlshorteningservice;

		$result = $user->update($original);

		if ($result === FALSE) {
			common_log_db_error($user, 'UPDATE', __FILE__);
			common_server_error(_('Couldn\'t update user.'));
			return;
		}

		$user->query('COMMIT');

		$this->show_form(_('Preferences saved.'), true);
	}
}