';

//$data = getBookInfo('big-data-and-business-intelligence/mastering-blockchain');
//file_put_contents('data.txt', json_encode($data));
//die();
$db = new SQLite3('data.db');
//$stmt = $db->prepare('SELECT * FROM book ORDER BY random() limit 1 ');
$stmt = $db->prepare('select * from book');
$booksResult = $stmt->execute();
while ($book = $booksResult->fetchArray(SQLITE3_ASSOC)) {
    $data = getBookInfo($book['url']);
//    saveBookChapters($data, $book['id']);

//    $db = new SQLite3('data.db');
//    print_r($data);
    foreach ($data['toc'] as $chapterNumber => $chapter) {

        $stmt = $db->prepare('REPLACE INTO chapter (book_id, chapter_number, parent_id, name)
                                                VALUES  (:book_id, :chapter_number, :parent_id, :name)');
        $stmt->bindValue(':book_id', $book['id'], SQLITE3_INTEGER);
        $stmt->bindValue(':chapter_number', $chapterNumber + 1, SQLITE3_INTEGER);
        $stmt->bindValue(':parent_id', null, SQLITE3_INTEGER);
        $stmt->bindValue(':name', $chapter['title'], SQLITE3_TEXT);
        $result = $stmt->execute();

        $stmt = $db->prepare('select seq from sqlite_sequence where name="chapter"');
        $result = $stmt->execute();
        $lastInsertedId = $result->fetchArray(SQLITE3_ASSOC);
        $lastInsertedId['seq'];

        if (isset($chapter['subchapters'])) {
            foreach ($chapter['subchapters'] as $subChapterNumber => $subChapterName) {

                $stmt = $db->prepare('REPLACE INTO chapter (book_id, chapter_number, parent_id, name)
                                                VALUES  (:book_id, :chapter_number, :parent_id, :name)');
                $stmt->bindValue(':book_id', $book['id'], SQLITE3_INTEGER);
                $stmt->bindValue(':chapter_number', $subChapterNumber + 1, SQLITE3_INTEGER);
                $stmt->bindValue(':parent_id', $lastInsertedId['seq'], SQLITE3_INTEGER);
                $stmt->bindValue(':name', $subChapterName, SQLITE3_TEXT);
                $result = $stmt->execute();
            }
        }
    }



}

//$data = json_decode(file_get_contents('data.txt'), 1);
//$bookId = 1;


//print_r($data);


function fetchAuthorsByBooks()
{
    $db = new SQLite3('data.db');

//$stmt = $db->prepare('SELECT * FROM book  order by random() limit 1 ');
    $stmt = $db->prepare('select * from book');
    $booksResult = $stmt->execute();


//$bookData = $result->fetchArray(SQLITE3_ASSOC);
    while ($book = $booksResult->fetchArray(SQLITE3_ASSOC)) {
        $bookInfo = getBookInfo($book['url']);
        foreach ($bookInfo['authors'] as $author) {
            $stmt = $db->prepare('SELECT * FROM  author WHERE name = :name and bio = :bio');
            $stmt->bindValue(':name', trim($author['name']), SQLITE3_TEXT);
            $stmt->bindValue(':bio', $author['bio'], SQLITE3_TEXT);
            $result = $stmt->execute();
            $authorData = $result->fetchArray(SQLITE3_ASSOC);

            if (!$authorData) {
                $stmt = $db->prepare('INSERT INTO author(name, bio) VALUES  (:name, :bio)');
                $stmt->bindValue(':name', trim($author['name']), SQLITE3_TEXT);
                $stmt->bindValue(':bio', $author['bio'], SQLITE3_TEXT);
                $result = $stmt->execute();

                $stmt = $db->prepare('select seq from sqlite_sequence where name="author"');
                $result = $stmt->execute();
                $seqData = $result->fetchArray(SQLITE3_ASSOC);

                $stmt = $db->prepare('INSERT INTO  author_book(author_id, book_id) VALUES  (:author_id, :book_id)');
                $stmt->bindValue(':author_id', $seqData['seq'], SQLITE3_INTEGER);
                $stmt->bindValue(':book_id', $book['id'], SQLITE3_INTEGER);
                $result = $stmt->execute();
            } else {
                $stmt = $db->prepare('INSERT INTO  author_book(author_id, book_id) VALUES  (:author_id, :book_id)');
                $stmt->bindValue(':author_id', $authorData['id'], SQLITE3_INTEGER);
                $stmt->bindValue(':book_id', $book['id'], SQLITE3_INTEGER);
                $result = $stmt->execute();
            }
        }
    }

}

function downloadBooks()
{

    global $loginData;
    $return = c('https://www.packtpub.com/', $loginData);
    $return = c('https://www.packtpub.com/account/my-ebooks');
    $document = new Document($return);
//
//$document = new Document('packt.html', true);

    $booksData = [];
    $books = $document->find('.product-line.unseen');

    $dl = 0;
    $db = new SQLite3('data.db');
//shuffle($books);
    foreach ($books as $book) {

        $bookData = [];
        $bookData['title'] = str_replace(["\r\n"], '', trim($book->first('.title::text')));
        $bookData['nid'] = (int)$book->attr('nid');

        $bookData['pdf'] = truncateBookUrl($book->first('a[href$=pdf]::attr(href)'));
        $bookData['epub'] = truncateBookUrl($book->first('a[href$=epub]::attr(href)'));
        $bookData['mobi'] = truncateBookUrl($book->first('a[href$=mobi]::attr(href)'));
        $bookData['code'] = truncateBookUrl($book->first('a[href*=code_download]::attr(href)'));
        $bookData['isbn'] = $book->first('div[isbn]::attr(isbn)');
        $bookData['img'] = $book->first('img[class*=imagecache]::attr(src)');
        $bookData['url'] = truncateBookUrl($book->first('div[class*=product-thumbnail]')->first('a::attr(href)'));


        $stmt = $db->prepare('SELECT id FROM book WHERE nid = :nid');
        $stmt->bindValue(':nid', $bookData['nid'], SQLITE3_INTEGER);
        $result = $stmt->execute();

        $resultData = $result->fetchArray(SQLITE3_ASSOC);

        $dl += downloadBook($bookData['pdf']);
        $dl += downloadBook($bookData['epub']);
        $dl += downloadBook($bookData['mobi']);
        $dl += downloadBook($bookData['code']);


        if (!$resultData) {
            $bookData['info'] = getBookInfo($bookData['url']);
            $stmt = $db->prepare('REPLACE INTO book (nid, title, isbn, img, url, datepublished, numberofpages, reviewCount, ratingValue, category, pdf, epub, mobi, code)
VALUES  (:nid, :title, :isbn, :img, :url, :datepublished, :numberofpages, :reviewCount, :ratingValue, :category, :pdf, :epub, :mobi, :code)');
            $stmt->bindValue(':nid', $bookData['nid'], SQLITE3_INTEGER);
            $stmt->bindValue(':title', $bookData['title'], SQLITE3_TEXT);
            $stmt->bindValue(':isbn', $bookData['isbn'], SQLITE3_TEXT);
            $stmt->bindValue(':img', $bookData['img'], SQLITE3_TEXT);
            $stmt->bindValue(':url', $bookData['url'], SQLITE3_TEXT);
            $stmt->bindValue(':datepublished', $bookData['info']['datepublished'], SQLITE3_TEXT);
            $stmt->bindValue(':numberofpages', $bookData['info']['numberofpages'], SQLITE3_INTEGER);
            $stmt->bindValue(':reviewCount', $bookData['info']['reviewCount'], SQLITE3_INTEGER);
            $stmt->bindValue(':ratingValue', (float)$bookData['info']['ratingValue'], SQLITE3_FLOAT);
            $stmt->bindValue(':category', $bookData['info']['category'], SQLITE3_TEXT);
            $stmt->bindValue(':pdf', $bookData['pdf'], SQLITE3_TEXT);
            $stmt->bindValue(':epub', $bookData['epub'], SQLITE3_TEXT);
            $stmt->bindValue(':mobi', $bookData['mobi'], SQLITE3_TEXT);
            $stmt->bindValue(':code', $bookData['code'], SQLITE3_TEXT);
            $result = $stmt->execute();
        }
        echo $dl . ' - ';
        if ($dl > 500) {
//        var_dump($dl);
            die();
        }
    }
}

function downloadBook($url)
{

    if (strlen($url) && !fileExists(fileNameFromPath($url))) {
        $localPath = fileNameFromPath($url);
        $directory = directoryNameFromPath($url);
        $fullUrl = resolveBookUrl($url);

        echo ($fullUrl) . "\n";
//        var_dump($localPath);
        if (!is_dir($directory)) {
            mkdir($directory, 0777, true);
        }
        c($fullUrl, [], $localPath);
        return 1;
    }
    return 0;
}

function fileNameFromPath($filePath)
{
    $filePathParts = explode('/', trim($filePath, '/'));
    return 'books' . DIRECTORY_SEPARATOR . $filePathParts[1] . DIRECTORY_SEPARATOR . $filePathParts[1] . '.' . (isset($filePathParts[2]) ? $filePathParts[2] : 'zip');
}

function directoryNameFromPath($filePath)
{
    $filePathParts = explode('/', trim($filePath, '/'));
    return 'books' . DIRECTORY_SEPARATOR . $filePathParts[1] . DIRECTORY_SEPARATOR;
}

function fileExists($filePath)
{
    return file_exists($filePath);
}