<?php
class ElsevierBridge extends BridgeAbstract {

	const MAINTAINER = 'dvikan';
	const NAME = 'Elsevier journals recent articles';
	const URI = 'https://www.journals.elsevier.com/';
	const CACHE_TIMEOUT = 43200; //12h
	const DESCRIPTION = 'Returns the recent articles published in Elsevier journals';

	const PARAMETERS = array( array(
		'j' => array(
			'name' => 'Journal name',
			'required' => true,
			'exampleValue' => 'academic-pediatrics',
			'title' => 'Insert html-part of your journal'
		)
	));

	public function collectData(){
		// Not all journals have the /recent-articles page
		$url = sprintf('https://www.journals.elsevier.com/%s/recent-articles/', $this->getInput('j'));
		$html = getSimpleHTMLDOM($url);

		foreach($html->find('article') as $recentArticle) {
			$item = [];
			$item['uri'] = $recentArticle->find('a', 0)->getAttribute('href');
			$item['title'] = $recentArticle->find('h2', 0)->plaintext;
			$item['author'] = $recentArticle->find('p > span', 0)->plaintext;
			$publicationDateString = trim($recentArticle->find('p > span', 1)->plaintext);
			$publicationDate = DateTimeImmutable::createFromFormat('F d, Y', $publicationDateString);
			if ($publicationDate) {
				$item['timestamp'] = $publicationDate->getTimestamp();
			}
			$this->items[] = $item;
		}
	}

	public function getIcon(): string {
		return 'https://cdn.elsevier.io/verona/includes/favicons/favicon-32x32.png';
	}
}