<?php

class NyaaLinkFixerExtension extends Minz_Extension
{
	public function init()
	{
		$this->registerHook('entry_before_insert', [$this, 'fixNyaaLink']);
		$this->registerHook('entry_before_display', [$this, 'fixNyaaLink']);
	}

	/**
	 * Fix Nyaa.si download links to view links
	 * Converts: https://nyaa.si/download/1234567.torrent
	 * To:       https://nyaa.si/view/123457
	 *
	 * @param FreshRSS_Entry $entry
	 * @return FreshRSS_Entry
	 */
	public function fixNyaaLink($entry)
	{
		$link = $entry->link();

		// Check if the link is a Nyaa.si download link
		if (preg_match('#^https?://nyaa\.si/download/(\d+)\.torrent$#i', $link, $matches)) {
			$torrentId = $matches[1];
			$newLink = "https://nyaa.si/view/{$torrentId}";
			$entry->_link($newLink);
		}

		return $entry;
	}
}