<?php
class GithubSearchBridge extends BridgeAbstract {

	const MAINTAINER = 'corenting';
	const NAME = 'Github Repositories Search';
	const URI = 'https://github.com/';
	const CACHE_TIMEOUT = 600; // 10min
	const DESCRIPTION = 'Returns a specified repositories search (sorted by recently updated)';
	const PARAMETERS = array( array(
		's' => array(
			'type' => 'text',
			'required' => true,
			'exampleValue' => 'rss-bridge',
			'name' => 'Search query'
		)
	));

	public function collectData(){
		$params = array('utf8' => '✓',
										'q' => urlencode($this->getInput('s')),
										's' => 'updated',
										'o' => 'desc',
										'type' => 'Repositories');
		$url = self::URI . 'search?' . http_build_query($params);

		$html = getSimpleHTMLDOM($url);

		foreach($html->find('li.repo-list-item') as $element) {
			$item = array();

			$uri = $element->find('.f4 a', 0)->href;
			$uri = substr(self::URI, 0, -1) . $uri;
			$item['uri'] = $uri;

			$title = $element->find('.f4', 0)->plaintext;
			$item['title'] = $title;

			// Description
			if (count($element->find('p.mb-1')) != 0) {
				$content = $element->find('p.mb-1', 0)->innertext;
			} else{
				$content = 'No description';
			}

			// Tags
			$content = $content . '<br />';
			$tags = $element->find('a.topic-tag');
			$tags_array = array();
			if (count($tags) != 0) {
				$content = $content . 'Tags : ';
				foreach($tags as $tag_element) {
					$tag_link = 'https://github.com' . $tag_element->href;
					$tag_name = trim($tag_element->innertext);
					$content = $content . '<a href="' . $tag_link . '">' . $tag_name . '</a> ';
					array_push($tags_array, $tag_element->innertext);
				}
			}

			$item['categories'] = $tags_array;
			$item['content'] = $content;
			$date = $element->find('relative-time', 0)->datetime;
			$item['timestamp'] = strtotime($date);

			$this->items[] = $item;
		}
	}
}
