<?php
namespace Zotlabs\Module;

use App;
use Zotlabs\Lib\Libsync;

require_once('include/security.php');
require_once('include/bbcode.php');
require_once('include/items.php');


class Tagger extends \Zotlabs\Web\Controller {

	function get() {

		if(! local_channel()) {
			return;
		}

		$sys = get_sys_channel();
		$channel = App::get_channel();

		$observer_hash = get_observer_hash();
		//strip html-tags
		$term = notags(trim($_GET['term']));
		//check if empty
		if(! $term)
			return;

		$item_id = ((argc() > 1) ? notags(trim(argv(1))) : 0);

		logger('tagger: tag ' . $term . ' item ' . $item_id);

		$r = q("select * from item where id = %d and uid = %d limit 1",
			intval($item_id),
			intval(local_channel())
		);

		if(! $r) {
			$r = q("select * from item where id = %d and uid = %d limit 1",
				intval($item_id),
				intval($sys['channel_id'])
			);
			if($r) {
				$r = [ copy_of_pubitem($channel, $r[0]['mid']) ];
                $item_id = (($r) ? $r[0]['id'] : 0);
			}
		}

		if(! $r) {
			notice( t('Post not found.') . EOL);
			return;
		}

		$r = q("SELECT * FROM item left join xchan on xchan_hash = author_xchan WHERE id = %d and uid = %d LIMIT 1",
			intval($item_id),
			intval(local_channel())
		);

		if((! $item_id) || (! $r)) {
			logger('tagger: no item ' . $item_id);
			return;
		}

		$item = $r[0];

		$owner_uid = $item['uid'];

		switch($item['resource_type']) {
			case 'photo':
				$targettype = 'Image';
				$post_type = t('photo');
				break;
			case 'event':
				$targettype = 'Event';
				$post_type = t('event');
				break;
			default:
				$targettype = 'Note';
				$post_type = t('post');
				if($item['mid'] != $item['parent_mid'])
					$post_type = t('comment');
				break;
		}


		$clean_term = trim($term,'"\' ');

		$links = array(array('rel' => 'alternate','type' => 'text/html',
			'href' => z_root() . '/display/' . $item['uuid']));

		$target = json_encode(array(
			'type'    => $targettype,
			'id'      => $item['mid'],
			'link'    => $links,
			'title'   => $item['title'],
			'content' => $item['body'],
			'created' => $item['created'],
			'edited'  => $item['edited'],
			'author'  => array(
				'name'     => $item['xchan_name'],
				'address'  => $item['xchan_addr'],
				'guid'     => $item['xchan_guid'],
				'guid_sig' => $item['xchan_guid_sig'],
				'link'     => array(
					array('rel' => 'alternate', 'type' => 'text/html', 'href' => $item['xchan_url']),
					array('rel' => 'photo', 'type' => $item['xchan_photo_mimetype'], 'href' => $item['xchan_photo_m'])),
				),
		));

		$tagid = z_root() . '/search?tag=' . $clean_term;
		$objtype = ACTIVITY_OBJ_TAGTERM;

		$obj = json_encode(array(
			'type'    => $objtype,
			'id'      => $tagid,
			'link'    => array(array('rel' => 'alternate','type' => 'text/html', 'href' => $tagid)),
			'title'   => $clean_term,
			'content' => $clean_term
		));

		$bodyverb = t('%1$s tagged %2$s\'s %3$s with %4$s');

		// saving here for reference
		// also check out x22d5 and x2317 and x0d6b and x0db8 and x24d0 and xff20 !!!

		$termlink = html_entity_decode('&#x22d5;') . '[zrl=' . z_root() . '/search?tag=' . urlencode($clean_term) . ']'. $clean_term . '[/zrl]';

		$arr['owner_xchan'] = $item['owner_xchan'];
		$arr['author_xchan'] = $channel['channel_hash'];

		$arr['item_origin'] = 1;
		$arr['item_wall'] = ((intval($item['item_wall'])) ? 1 : 0);

		$ulink = '[zrl=' . $channel['xchan_url'] . ']' . $channel['channel_name'] . '[/zrl]';
		$alink = '[zrl=' . $item['xchan_url'] . ']' . $item['xchan_name'] . '[/zrl]';
		$plink = '[zrl=' . $item['plink'] . ']' . $post_type . '[/zrl]';

		$arr['body'] =  sprintf( $bodyverb, $ulink, $alink, $plink, $termlink );

		$arr['verb'] = ACTIVITY_TAG;
		$arr['tgt_type'] = $targettype;
		$arr['target'] = $target;
		$arr['obj_type'] = $objtype;
		$arr['obj'] = $obj;
		$arr['parent_mid'] = $item['mid'];
		store_item_tag($item['uid'],$item['id'],TERM_OBJ_POST,TERM_COMMUNITYTAG,$clean_term,$tagid);
		$ret = post_activity_item($arr);

		if($ret['success']) {
			Libsync::build_sync_packet(local_channel(),
				[
					'item' => [ encode_item($ret['activity'],true) ]
				]
			);
		}

		killme();

	}

}