/**
  * Create an EPUB and export to defined path
  * @param $dir str directory of the source file to convert
  * @param $src str filename of the source file to convert
  * @param $path str path to export the resultant EPUB to
  * @param $chapters array chapters to convert into a single EPUB
  * @param $journalId int Id of the journal(imprint)
  * @param $args array arguments for the conversion (e.g. Description, cover image, etc)
  */
 function createEpub($dir = null, $src, $path, $chapters = array(), $journalId, $args = array())
 {
     $book = new EPub();
     if (isset($args['title'])) {
         $book->setTitle($args['title']);
     } else {
         $book->setTitle("No Title");
     }
     $book->setLanguage("en");
     $book->setPublisher(Config::getVar('general', 'base_url'), Config::getVar('general', 'base_url'));
     $book->setDate(time());
     $book->setRights("Copyright and licence information specific for the book.");
     //TODO: import specific copyright/licence information
     $book->setSourceURL(Config::getVar('general', 'base_url'));
     $CBPPlatformDao =& DAORegistry::getDAO('CBPPlatformDAO');
     $imprintType = $CBPPlatformDao->getImprintType($journalId);
     $stylesheet = $CBPPlatformDao->getImprintStylesheet($journalId);
     $book->addCSSFile("styles.css", "css1", file_get_contents($this->stylesheetDir . "{$stylesheet}.css"));
     isset($args['description']) ? $book->setDescription($args['description']) : $book->setDescription("No description");
     isset($args['author']) ? $book->setAuthor($args['author'], $args['author']) : $book->setAuthor("No author", "No author");
     $args['isbn'] != null ? $book->setIdentifier($args['isbn'], EPub::IDENTIFIER_URI) : $book->setIdentifier(Config::getVar('general', 'base_url'), EPub::IDENTIFIER_URI);
     if (isset($args['cover'])) {
         $cover = $args['cover'];
         $coverSrc = "\n\t\t\t\t\t<svg version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' width='100%' height='100%' viewBox='0 0 410 597' preserveAspectRatio='xMidYMid meet'>\n\t\t\t\t\t\t<image width='410' height='597' xlink:href='images/Cover.jpg' />\n\t\t\t\t\t</svg>";
         $book->addChapter("Cover Page", "Cover.html", $this->contentStart . "{$coverSrc}</body>\n</html>\n", false, EPub::EXTERNAL_REF_ADD, $this->fileDir);
         $book->setCoverImage("Cover.jpg", file_get_contents($args['cover']));
     } else {
         $book->addChapter("Cover Page", "Cover.html", $this->contentStart . "<h1>" . $book->getTitle() . "</h1><h3>" . $book->getAuthor() . "</h3></body>\n</html>\n", false, EPub::EXTERNAL_REF_ADD, $this->fileDir);
     }
     $copyrightStatement = $CBPPlatformDao->getJournalCopyrightStatement($journalId);
     if (!empty($copyrightStatement)) {
         $copyrightStatement = reset($copyrightStatement);
         $copyrightStatement = "<div style='width: 75%; text-align: center; margin: 0 auto;'><p>" . $copyrightStatement . "</p></div>";
         $book->addChapter("Copyright Notice", "notice.html", $this->contentStart . $copyrightStatement, false, EPub::EXTERNAL_REF_ADD, $this->fileDir);
     }
     if (!empty($chapters)) {
         $chapterCount = 0;
         foreach ($chapters as $chapter) {
             if (!isset($chapter['type']) && $chapter['type'] != "supp") {
                 $chapterCount++;
             } else {
                 $suppChapters = true;
             }
         }
         for ($i = 0; $i < count($chapters); $i++) {
             $document = new TransformDoc();
             $document->setStrFile($chapters[$i]['src'], $chapters[$i]['dir']);
             $document->generateXHTML();
             //problem, here
             $document->validatorXHTML();
             $contentPreg = $this->stripTags($document->getStrXHTML());
             if ($chapterCount == 1) {
                 $splitter = new EPubChapterSplitter();
                 $xhtml = $this->contentStart . $contentPreg . "</body></html>";
                 $html2 = $splitter->splitChapter($xhtml, true, '@<h1[^>]*?.*?</h1>@siu');
                 /* '#^<.+?>Chapter \d*#i'); */
                 foreach ($html2 as $key => $value) {
                     $cTitles[] = $key;
                     $cContent[] = $value;
                 }
                 for ($i = 0; $i < count($cContent); $i++) {
                     $html3[$cTitles[$i]] = $cContent[$i];
                 }
                 $idx = 0;
                 if (!empty($html3)) {
                     foreach ($html3 as $k => $v) {
                         $idx++;
                         $cName = preg_replace('#<br.+?>#i', " - ", $k);
                         // Remove any other tags
                         $cName = preg_replace('/<[^>]*>/', '', $cName);
                         // clean the chapter name by removing any double spaces left behind to single space.
                         $cName = preg_replace('#\\s+#i', " ", $cName);
                         $book->addChapter($cName, "Chapter" . $idx . ".html", $v, false, EPub::EXTERNAL_REF_ADD, $fileDir);
                     }
                 }
                 if ($suppChapters == true) {
                     $i = 0;
                     foreach ($chapters as $chapter) {
                         if (isset($chapter['type']) && $chapter['type'] == "supp") {
                             $document = new TransformDoc();
                             $document->setStrFile($chapter['src'], $chapter['dir']);
                             $document->generateXHTML();
                             $document->validatorXHTML();
                             $contentPreg = $this->stripTags($document->getStrXHTML());
                             $book->addChapter($chapter['name'], "Chapter{$i}.html", $this->contentStart . $contentPreg . "</body></html>", false, EPub::EXTERNAL_REF_ADD, $this->fileDir);
                         }
                     }
                     $i++;
                 }
                 break;
             } else {
                 if ($imprintType == "atomistic") {
                     $book->addChapter($cName, "Chapter" . $i . ".html", $this->contentStart . $contentPreg . "</body></html>", false, EPub::EXTERNAL_REF_ADD, $fileDir);
                 } elseif ($imprintType == "collection") {
                     if ($chapters[$i]['description'] != "") {
                         $book->addChapter("Introduction to " . $chapters[$i]['name'] . " by " . $chapters[$i]['author'], "Chapter" . "{$i}-I" . ".html", $this->contentStart . "<div class='submissionIntroEpub'><h1>" . $chapters[$i]['author'] . "</h1>" . $this->stripTags($chapters[$i]['description'], true) . "</div></body></html>", false, EPub::EXTERNAL_REF_ADD, $fileDir, false);
                     }
                     $book->addChapter($chapters[$i]['name'] . " by " . $chapters[$i]['author'], "Chapter" . $i . ".html", $this->contentStart . "{$contentPreg}</body></html>", false, EPub::EXTERNAL_REF_ADD, $fileDir);
                 }
             }
         }
     } else {
         $content = new TransformDoc();
         $splitter = new EPubChapterSplitter();
         $content->setStrFile($src, $dir);
         $content->generateXHTML();
         $content->validatorXHTML();
         $contentPreg = $this->stripTags($content->getStrXHTML());
         $xhtml = $this->contentStart . $contentPreg . "</body></html>";
         $html2 = $splitter->splitChapter($xhtml, true, '@<h1[^>]*?.*?</h1>@siu');
         foreach ($html2 as $key => $value) {
             $cTitles[] = $key;
             $cContent[] = $value;
         }
         array_shift($cContent);
         for ($i = 0; $i < count($cContent); $i++) {
             $html3[$cTitles[$i]] = $cContent[$i];
         }
         $idx = 0;
         if (!empty($html3)) {
             foreach ($html3 as $k => $v) {
                 $idx++;
                 $cName = preg_replace('#<br.+?>#i', " - ", $k);
                 // Remove any other tags
                 $cName = preg_replace('/<[^>]*>/', '', $cName);
                 //clean the chapter name by removing any double spaces left behind to single space.
                 $cName = preg_replace('#\\s+#i', " ", $cName);
                 $book->addChapter($cName, "Chapter" . $idx . ".html", $v, false, EPub::EXTERNAL_REF_ADD, $fileDir);
             }
         } else {
             $book->addChapter("Body Text", "Chapter1.html", $xhtml, false, EPub::EXTERNAL_REF_ADD, $fileDir);
         }
     }
     $book->finalize();
     $zipData = $book->getBook();
     file_put_contents($path, $zipData);
 }