<?php
    require_once(dirname(dirname(dirname(__FILE__)))."/engine/engine.php");

    $url = get_input('url');

	$data = array('title' => '', 'author' => '', 'description' => '', 'published' => '', 'tags' => '');
	$result = array('success' => 'false', 'data' => $data);

	// Only available to logged_in user
	if (!empty($url) && is_logged_in()) {
		$parsed_url = parse_url($url);
		if ($parsed_url && isset($parsed_url['host'])) {
			if (in_array($parsed_url['host'], array('slideshare.net', 'www.slideshare.net'))) {
				$sobject = new SlideShare();
				$returned = $sobject->get_slideshow($url);
				if ($returned) {
					if (is_string($returned->Title)) {
						$data['title'] = $returned->Title;
					}
					if (is_string($returned->Username)) {
						$data['author'] = $returned->Username;
					}
					if (is_string($returned->Description)) {
						$data['description'] = $returned->Description;
					}
					if (is_string($returned->Created)) {
						$data['published'] = date("d.m.Y", strtotime($returned->Created));
					}
					if (isset($returned->Tags->Tag) && is_array($returned->Tags->Tag)) {
						$data['tags'] = implode(',', $returned->Tags->Tag);
					}
				}
                // even if could not get data from slideshare, set type as slideshare
                $result['success'] = 'true';
                $data['subtype'] = 'slideshare';
                $result['data'] = $data;
            
            } else if (in_array($parsed_url['host'], array('youtube.com', 'www.youtube.com')) && isset($parsed_url['query'])) {
				$parsed_query = array();
				parse_str($parsed_url['query'], $parsed_query);
				if (isset($parsed_query['v']) && $parsed_query['v']) {
                    $sobject = new YouTube();
                    $returned = $sobject->get_video($url, $parsed_query['v']);
                    if ($returned) {
                        $data['title'] = $returned->{'media$group'}->{'media$title'}->{'$t'};
                        $data['author'] = $returned->author[0]->name->{'$t'};
                        $data['description'] = $returned->{'media$group'}->{'media$description'}->{'$t'};
                        $data['published'] = date("d.m.Y", strtotime($returned->published->{'$t'}));
                        $data['tags'] = $returned->{'media$group'}->{'media$keywords'}->{'$t'};
                    }
                }
                // even if could not get video data, set type as youtube
                $result['success'] = 'true';
                $data['subtype'] = 'youtube';
                $result['data'] = $data;
            } else if (in_array($parsed_url['host'], array('lemill.net', 'www.lemill.net'))) {
                // A small hack to get subtype set to lemill
                $data['subtype'] = 'lemill';
                $result['success'] = 'true';
                $result['data'] = $data;
            }
		}
	}

    echo json_encode($result);
	exit;
?>