<?php
class GlowficBridge extends BridgeAbstract {
	const MAINTAINER = 'l1n';
	const NAME = 'Glowfic Bridge';
	const URI = 'https://www.glowfic.com';
	const CACHE_TIMEOUT = 3600; // 1 hour
	const DESCRIPTION = 'Returns the latest replies on a glowfic post.';
	const PARAMETERS = array(
		'global' => array(),
		'Thread' => array(
			'post_id' => array(
				'name' => 'Post ID',
				'title' => 'https://www.glowfic.com/posts/POST ID',
				'required' => true,
				'exampleValue' => '2756',
				'type' => 'number'
			),
			'start_page' => array(
				'name' => 'Start Page',
				'title' => 'To start from an offset page',
				'type' => 'number'
			)
		)
	);

	public function collectData() {
		$url = $this->getAPIURI();
		$metadata = get_headers( $url . '/replies', true ) or returnClientError('Post did not return reply headers.');
		$metadata['Last-Page'] = ceil( $metadata['Total'] / $metadata['Per-Page'] );
		if(!is_null($this->getInput('start_page')) &&
			$this->getInput('start_page') < 1 && $metadata['Last-Page'] - $this->getInput('start_page') > 0) {
			$first_page = $metadata['Last-Page'] - $this->getInput('start_page');
		} else if(!is_null($this->getInput('start_page')) && $this->getInput('start_page') <= $metadata['Last-Page']) {
			$first_page = $this->getInput('start_page');
		} else {
			$first_page = 1;
		}
		for ($page_offset = $first_page; $page_offset <= $metadata['Last-Page']; $page_offset++) {
			$jsonContents = getContents($url . '/replies?page=' . $page_offset ) or
				returnClientError('Could not retrieve replies for page ' . $page_offset . '.');
			$replies = json_decode($jsonContents);
			foreach ($replies as $reply) {
				$item = array();

				$item['content'] = $reply->{'content'};
				$item['uri'] = $this->getURI() . '?page=' . $page_offset . '#reply-' . $reply->{'id'};
				if ($reply->{'icon'}) {
					$item['enclosures'] = array($reply->{'icon'}->{'url'});
				}
				$item['author'] = $reply->{'character'}->{'screenname'} . ' (' . $reply->{'character'}->{'name'} . ')';
				$item['timestamp'] = date('r', strtotime($reply->{'created_at'}));
				$item['title'] = 'Tag by ' . $reply->{'user'}->{'username'} . ' updated at ' . $reply->{'updated_at'};
				$this->items[] = $item;
			}
		}
	}

	private function getAPIURI() {
		$url = parent::getURI() . '/api/v1/posts/' . $this->getInput('post_id');
		return $url;
	}

	public function getURI() {
		$url = parent::getURI() . '/posts/' . $this->getInput('post_id');
		return $url;
	}

	private function getPost() {
		$url = $this->getAPIURI();
		$jsonPost = getContents( $url ) or returnClientError('Could not retrieve post metadata.');
		$post = json_decode($jsonPost);
		return $post;
	}

	public function getName(){
		if(!is_null($this->getInput('post_id'))) {
			$post = $this->getPost();
			return $post->{'subject'} . ' - ' . parent::getName();
		}
		return parent::getName();
	}

	public function getDescription(){
		if(!is_null($this->getInput('post_id'))) {
			$post = $this->getPost();
			return $post->{'content'};
		}
		return parent::getName();
	}
}