/*
 * This Java source file was generated by the Gradle 'init' task.
 */
package com.literalice.docrdr;

import jakarta.servlet.RequestDispatcher;
import jakarta.servlet.ServletContext;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.*;

import java.io.IOException;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.select.Elements;

@WebServlet(urlPatterns = { "/documents/drafts/*" })
public class DocumentDraftsServlet extends HttpServlet {

   @Override
   public void init() throws ServletException {
      super.init();
   }

   @Override
   protected void doPost(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
      ServletContext ctx = getServletContext();

      String documentURL = req.getParameter("document-url");
      Document document = Jsoup.connect(documentURL).get();

      String targetLang = ctx.getInitParameter("TARGET_LANGUAGE");
      HTMLDocument htmlDocument = new HTMLDocument(document.title(), documentURL, loadArticleBody(document), targetLang);

      ctx.setAttribute("document", htmlDocument);

      HttpSession session = req.getSession();
      session.setAttribute("document", htmlDocument);

      RequestDispatcher dispatcher = req.getRequestDispatcher("/WEB-INF/jsp/documents/draft.jsp");
      dispatcher.forward(req, res);
   }

   private String loadArticleBody(Document document) {
      Elements articleBody = document.body().select("[property=articleBody]");
      articleBody.select("li, h1, h2, h3, h4, h5, h6").append("\n");
      return articleBody.html();
   }

}