<?php

class MallTvBridge extends BridgeAbstract {

	const NAME = 'MALL.TV Bridge';
	const URI = 'https://www.mall.tv';
	const CACHE_TIMEOUT = 3600;
	const DESCRIPTION = 'Return newest videos';
	const MAINTAINER = 'kolarcz';

	const PARAMETERS = array(
		array(
			'url' => array(
				'name' => 'url to the show',
				'required' => true,
				'exampleValue' => 'https://www.mall.tv/zivot-je-hra'
			)
		)
	);

	private function fixChars($text) {
		return html_entity_decode($text, ENT_QUOTES, 'UTF-8');
	}

	private function getUploadTimeFromUrl($url) {
		$html = getSimpleHTMLDOM($url)
			or returnServerError('Could not request MALL.TV detail page');

		$scriptLdJson = $html->find('script[type="application/ld+json"]', 0)->innertext;
		if (!preg_match('/[\'"]uploadDate[\'"]\s*:\s*[\'"](\d{4}-\d{2}-\d{2})[\'"]/', $scriptLdJson, $match)) {
			returnServerError('Could not get date from MALL.TV detail page');
		}

		return strtotime($match[1]);
	}

	public function collectData() {
		$url = $this->getInput('url');

		if (!preg_match('/^https:\/\/www\.mall\.tv\/[a-z0-9-]+(\/[a-z0-9-]+)?\/?$/', $url)) {
			returnServerError('Invalid url');
		}

		$html = getSimpleHTMLDOM($url)
			or returnServerError('Could not request MALL.TV');

		$this->feedUri = $url;
		$this->feedName = $this->fixChars($html->find('title', 0)->plaintext);

		foreach ($html->find('section.isVideo .video-card') as $element) {
			$itemTitle = $element->find('.video-card__details-link', 0);
			$itemThumbnail = $element->find('.video-card__thumbnail', 0);
			$itemUri = self::URI . $itemTitle->getAttribute('href');

			$item = array(
				'title' => $this->fixChars($itemTitle->plaintext),
				'uri' => $itemUri,
				'content' => '<img src="' . $itemThumbnail->getAttribute('data-src') . '" />',
				'timestamp' => $this->getUploadTimeFromUrl($itemUri)
			);

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

	public function getURI() {
		return isset($this->feedUri) ? $this->feedUri : parent::getURI();
	}

	public function getName() {
		return isset($this->feedName) ? $this->feedName : parent::getName();
	}
}
