// This file is part of Extract PDFmark.
//
// Copyright (C) 2016, 2019 Masamichi Hosoda
//
// Extract PDFmark is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Extract PDFmark 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Extract PDFmark.  If not, see <http://www.gnu.org/licenses/>.

#include "config.h"

#include <fstream>
#include <iostream>
#include <memory>
#include <string>

#include "cmdlineparse.hh"
#include "output-pdfmark.hh"

int main (int argc, char *argv[])
{
 cmdlineparse::parser cmd;
 std::unique_ptr<output_pdfmark> opdfmark {create_output_pdfmark ()};
 std::string output_filename;

 cmd.add_default_help ();
 cmd.add_handler ('V', "version",
                  cmdlineparse::arg_mode::no_argument,
                  [&cmd, &opdfmark](const std::string &)->bool
                  {
                    std::cout << cmd.get_version_string ()
                              << std::endl
                              << opdfmark->version ();
                    return false;
                  },
                  "    Print version and exit");
 cmd.add_string ('o', "output", &output_filename, "",
                 "    Output filename\n"
                 "    (Default: standard output)",
                 "OUTPUT.ps");
 opdfmark->add_options (&cmd);

 cmd.set_usage_unamed_opts ("INPUT.pdf");

 if (!cmd.parse (argc, argv))
   return 0;

 if (cmd.get_unamed_args ().empty ())
   {
     std::cerr << cmd.get_version_string () << std::endl
               << cmd.build_usage () << std::endl;
     return 1;
   }

 std::ostream *pout;
 std::ofstream ofs;
 if (output_filename.empty () || output_filename == "-")
   {
     pout = &std::cout;
   }
 else
   {
     ofs.open (output_filename);
     pout = &ofs;
   }

 *pout << "% " << PACKAGE_STRING << std::endl
       << "% " << PACKAGE_URL << std::endl << std::endl;

 if (!opdfmark->open (cmd.get_unamed_args ().at (0)))
   return 1;

 opdfmark->parse_options ();

 *pout << opdfmark->pagemode ();
 *pout << opdfmark->destname ();
 return 0;
}