<?php

namespace Techtube\Bookinfo;

use DiDom\Document;
use DiDom\Exceptions\InvalidSelectorException;
use DiDom\Query;
use JetBrains\PhpStorm\ArrayShape;
use Techtube\Bookinfo\Api\AbstractBookInfo;

class DataParser
{
    /**
     * @param Document $document
     * @return AbstractBookInfo
     * @throws InvalidSelectorException
     */
    public function singlePage(Document $document): AbstractBookInfo
    {
        $info = new Info();
        $jsonInfo = json_decode($document->first('script[type="application/ld+json"]')->text());
        $info->url = $document->getDocument()->baseURI;
        $info->publisher = $document->first('a[href*="wydawnictwo"]')?->text();
        $info->author = $document->first('meta[property="books:author"]')->getAttribute('content');
        $info->isbn = $document->first('meta[property="books:isbn"]')->getAttribute('content');
        $info->description = trim($document->first('#book-description p')->text());
        $info->title = trim($document->first('h1.book__title')->text());
        $info->category = trim($document->first('.book__category')->text());
        $info->cover_url = $this->generateCoverUrls(
            $document->first('meta[property="og:image"]')->getAttribute('content')
        );
        $info->pages = (int)$document->first('span.book__pages')?->text();
        if (preg_match('#(.*) \(tom (\d*)\)#ism', trim($document->first('a[href*="/cykl/"]')?->text() ?? ''), $series)) {
            $info->cycle = $series[1];
            $info->volume = $series[2];
        }
        $info->language = $jsonInfo?->inLanguage ?? trim($document->xpath("//*[contains(text(), 'Język:')]")[0]->nextSibling('dd')->text());
        $info->datePublished = $jsonInfo?->datePublished ?? null;
        $info->translator = trim($document->first("//*[contains(text(), 'Tłumacz:')]", Query::TYPE_XPATH)?->nextSibling('dd')?->text() ?? '');

        return $info;
    }

    /**
     * @param Document $document
     * @return AbstractBookInfo[]
     * @throws InvalidSelectorException
     */
    public function searchPage(Document $document): array
    {
        $books = $document->find('#ksiazki .authorAllBooks__single');
        $booksInfo = [];
        if ($document->has('#searchksiazki')) {
            foreach ($books as $book) {
                $bookInfo = new Info();
                $bookInfo->title = trim($book->first('.authorAllBooks__singleTextTitle')->text());
                $bookInfo->author = trim($book->first('.authorAllBooks__singleTextAuthor')->text());
                $bookInfo->url = $book->first('button[data-book-url]')->getAttribute('data-book-url');
                $bookInfo->cover_url = $this->generateCoverUrls($book->first('.img-fluid')->getAttribute('data-src'));
                if (preg_match('#(.*) \(tom (.*)\)#ism', trim($book->first('a[href*="/cykl/"]')?->text() ?? ''), $series)) {
                    $bookInfo->cycle = $series[1];
                    $bookInfo->volume = $series[2];
                    $bookInfo->cycleUrl = $book->first('a[href*="/cykl/"]')?->href;
                }
                $booksInfo[] = $bookInfo;
            }
        }
        return $booksInfo;
    }

    /**
     * @param string $coverUrl
     * @return array
     */
    #[ArrayShape(['small' => "string", 'medium' => "string", 'large' => "string"])]
    private function generateCoverUrls(string $coverUrl): array
    {
        $coverUrlBase = preg_replace('(\d*?x\d*?\.jpg)', '', $coverUrl);
        return [
            'small' => $coverUrlBase . '70x100.jpg',
            'medium' => $coverUrlBase . '170x243.jpg',
            'large' => $coverUrlBase . '352x500.jpg'
        ];
    }
}