/* 
    * Copyright (C) 2016 Hobrasoft s.r.o.
    *
    * This program is free software: you can redistribute it and/or modify
    * it under the terms of the GNU Affero General Public License as published by
    * the Free Software Foundation, either version 3 of the License, or
    * (at your option) any later version.
    *
    * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU Affero General Public License for more details.
   *
   * You should have received a copy of the GNU Affero General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  package cz.hobrasoft.pdfmu.operation.args;
  
  import com.itextpdf.text.pdf.PdfReader;
  import com.itextpdf.text.pdf.PdfStamper;
  import cz.hobrasoft.pdfmu.operation.OperationException;
  import net.sourceforge.argparse4j.inf.ArgumentParser;
  import net.sourceforge.argparse4j.inf.Namespace;
  
  // Handle unset output file (in-place change)
  public class InOutPdfArgs implements ArgsConfiguration, AutoCloseable {
  
      private InPdfArgs in;
      private OutPdfArgs out;
  
      public InOutPdfArgs() {
          // Allow append by default
          this(true);
      }
  
      public InOutPdfArgs(boolean allowAppend) {
          this("IN.pdf", allowAppend);
      }
  
      public InOutPdfArgs(String metavarIn) {
          // Allow append by default
          this(metavarIn, true);
      }
  
      public InOutPdfArgs(String metavarIn, boolean allowAppend) {
          in = new InPdfArgs(metavarIn);
          out = new OutPdfArgs(metavarIn, allowAppend);
      }
  
      @Override
      public void addArguments(ArgumentParser parser) {
          in.addArguments(parser);
          out.addArguments(parser);
      }
  
      @Override
      public void setFromNamespace(Namespace namespace) {
          in.setFromNamespace(namespace);
          out.setFromNamespace(namespace);
          out.setDefaultFile(in.getFile());
      }
  
      public void open() throws OperationException {
          open(false);
      }
  
      public void openSignature() throws OperationException {
          open(true);
      }
  
      public void open(boolean signature) throws OperationException {
          open(signature, '\0');
      }
  
      public void open(boolean signature, char pdfVersion) throws OperationException {
          PdfReader reader = in.open();
          out.open(reader, signature, pdfVersion);
      }
  
      public PdfReader getPdfReader() {
          return in.getPdfReader();
      }
  
      public PdfStamper getPdfStamper() {
          return out.getPdfStamper();
      }
  
      @Override
      public void close() throws OperationException {
          close(false);
      }
  
      public void close(boolean success) throws OperationException {
          out.close(success);
          in.close();
      }
  
      public InPdfArgs getIn() {
          return in;
     }
 
     // :)
     public OutPdfArgs getOut() {
         return out;
     }
 
 }