<?php

namespace Animarr\Source;

use Animarr\Database;
use Animarr\Downloader;
use Animarr\Extractor\SceneExtractor;
use Animarr\Release\Release;
use Animarr\Request;

class AniDex implements Source{

	const LANGUAGE_ALL = 0;
	const LANGUAGE_ENGLISH = 1;
	const LANGUAGE_SPANISH = "15,29";

	const SELECTOR_BATCH = "&batch=1";
	const SELECTOR_RAW = "&raw=1";
	const SELECTOR_REMAKES = "&reencode=1";
	
	const SELECTOR_DEFAULT = self::SELECTOR_BATCH . self::SELECTOR_REMAKES;
	
	const FILTER_MODE_INCLUDE = 1;
	const FILTER_MODE_ONLY = 2;

	private $language;
	private $selector;
	private $filterMode;
	private $uploader = null;
	private $extractor;

	public function __construct(SceneExtractor $extractor, $language = self::LANGUAGE_ENGLISH, $selector = self::SELECTOR_DEFAULT, $filterMode = self::FILTER_MODE_INCLUDE){
		$this->language = $language;
		$this->selector = $selector;
		$this->filterMode = $filterMode;
		$this->extractor = $extractor;
	}
	
	public function canSearch(){
		return true;
	}
	
	public function getName(){
		return "AniDex";
	}


    /**
     * @param $query
     * @param int $maxResults
     * @return Release[]
     */
	public function find($query, $maxResults = -1, $extraQuery = ""){
		$url = Database::getConfigKey("tracker.anidex.ajax.baseurl", "https://anidex.info/ajax/page.ajax.php?page=torrents");

        if($query !== null){
            $url .= "&filename=". urlencode($query);
        }

		$itemsPerPage = 50;

		$url .= $this->selector;
		$url .= "&lang_id={$this->language}";
		$url .= "&filter_mode={$this->filterMode}";
		$url .= "&limit=$itemsPerPage";
		$url .= "&category=1";

		if($this->uploader !== null){
			$url .= "&group_id={$this->uploader}";
		}

		$results = [];

		$offset = 0;

		do{
			$lastCount = count($results);
			$feed = Request::getURL($url . "&offset=" . ($offset * $itemsPerPage), [
				"X-Requested-With: XMLHttpRequest",
				"Referer: https://anidex.info/",
			]);
			
			if($feed == ""){
				break;
			}
			
			$dom = new \DOMDocument();
			@$dom->loadHTML($feed);

			foreach($dom->getElementsByTagName("tr") as $item){
				
				if($item->getElementsByTagName("a")->length <= 0 or preg_match("#torrent#", $item->getElementsByTagName("a")->item(0)->getAttribute("class")) <= 0){
					continue;
				}
				
				$isTrusted = ($item->getElementsByTagName("td")->item(1)->getElementsByTagName("span")->item(0) !== null ? true : false);
				
				$infoLink = trim($item->getElementsByTagName("td")->item(2)->getElementsByTagName("a")->item(0)->getAttribute("href"));
				$title = trim($item->getElementsByTagName("td")->item(2)->getElementsByTagName("a")->item(0)->getElementsByTagName("span")->item(0)->textContent);
				$torrentLink = trim($item->getElementsByTagName("td")->item(4)->getElementsByTagName("a")->item(0)->getAttribute("href"));
				if($infoLink{0} === "?"){
					$data = parse_url($url);
					$infoLink = $data["scheme"] . "://" . $data["host"] . "/" . $infoLink;
				}
				if($torrentLink{0} === "/"){
					$data = parse_url($url);
					$torrentLink = $data["scheme"] . "://" . $data["host"] . $torrentLink;
				}
				$magnetLink = trim($item->getElementsByTagName("td")->item(5)->getElementsByTagName("a")->item(0)->getAttribute("href"));
				$uploadDate = \DateTime::createFromFormat("Y-m-d H:i:s e", (string) $item->getElementsByTagName("td")->item(7)->getAttribute("title"))->getTimestamp();
				$seeds = intval($item->getElementsByTagName("td")->item(8)->textContent);

				$release = $this->extractor->extractInformation($title);
				
				if($release !== null){
					$release->setInfoLink($infoLink);
					$release->setDownloadLink($torrentLink);
					$release->setUploadDate($uploadDate);

					$release->setSeeds($seeds);
					
					if($isTrusted){
						$release->setTrusted(true);						
					}
					
					if(isset(Database::getConfigKey("tracker.anidex.trusted", [])[$release->getGroup()])){
						$release->setTrusted(Database::getConfigKey("tracker.anidex.trusted", [])[$release->getGroup()]);
					}else if(Database::getConfigKey("tracker.anidex.goldlist.trusted", false)){
						$items = explode("-", strtolower($release->getGroup()));
						foreach(Database::getConfigKey("filter.groups.goldlist", []) as $gold){
							if($release->isTrusted()){
								break;
							}
							
							if(strtolower($release->getGroup()) == strtolower($gold)){
								$release->setTrusted(true);	
							}
							
							foreach($items as $i){
								if($i === strtolower($gold)){
									$release->setTrusted(true);	
									break;
								}
							}
						}
					}

					if($release->getSource() === Release::SOURCE_UNKNOWN){
					    if(isset(Database::getConfigKey("tracker.anidex.unknown.source", [])[$release->getGroup()])){
					        $release->setSource(constant(Release::class . "::SOURCE_" . Database::getConfigKey("tracker.anidex.unknown.source", [])[$release->getGroup()]));
                        }else{
                            $release->setSource(constant(Release::class . "::SOURCE_" . Database::getConfigKey("tracker.anidex.unknown.source.default", "TV")));
                        }
                    }

                    if($release->getQuality() === Release::QUALITY_UNKNOWN){
                        if(isset(Database::getConfigKey("tracker.nyaa.unknown.quality", [])[$release->getGroup()])){
                            $release->setQuality(constant(Release::class . "::QUALITY_" . Database::getConfigKey("tracker.anidex.unknown.quality", [])[$release->getGroup()]));
                        }else{
                            $release->setQuality(constant(Release::class . "::QUALITY_" . Database::getConfigKey("tracker.anidex.unknown.quality.default", "720")));
                        }
                    }

					if($release->getVideoCodec() === Release::VIDEO_CODEC_UNKNOWN){
						if(isset(Database::getConfigKey("tracker.anidex.unknown.videoCodec", [])[$release->getGroup()])){
							$release->setVideoCodec(constant(Release::class . "::VIDEO_CODEC_" . Database::getConfigKey("tracker.anidex.unknown.videoCodec", [])[$release->getGroup()]));
						}else{
							$release->setVideoCodec(constant(Release::class . "::VIDEO_CODEC_" . Database::getConfigKey("tracker.anidex.unknown.videoCodec.default", "H264")));
						}
					}


					$results[$release->getId()] = $release;
				}
			}
			++$offset;
		}while(($maxResults == -1 or count($results) < $maxResults) and $lastCount !== count($results));

		return $results;
	}

	public function setUploader($uploader){
		$this->uploader = ($uploader === null ? null : $uploader);
	}
}