/*
 * ConsoleUtil.cpp
 *
 * Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "ConsoleUtil.h"

#include <iostream>

#ifdef _WIN32
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#else
# include <stdio.h>
# include <stdlib.h>
# include <termios.h>
# include <unistd.h>
#endif

namespace Mad {
namespace Client {

Core::String ConsoleUtil::readPassword(const Core::String &prompt) {
#ifdef _WIN32
  DWORD mode;
  HANDLE handle = GetStdHandle(STD_INPUT_HANDLE);
  GetConsoleMode(handle, &mode);
  SetConsoleMode(handle, mode & ~(ENABLE_ECHO_INPUT));
#else
  struct termios termold, termnew;

  tcgetattr(STDIN_FILENO, &termold);

  termnew = termold;
  termnew.c_lflag &= ~ECHO;
  tcsetattr(STDIN_FILENO, TCSAFLUSH, &termnew);
#endif

  std::cout << prompt << std::flush;
  Core::String password = Core::String::getline(std::cin);
  std::cout << std::endl;

#ifdef _WIN32
  SetConsoleMode(handle, mode);
#else
  tcsetattr(STDIN_FILENO, TCSAFLUSH, &termold);
#endif

  return password;
}

void ConsoleUtil::printPaged(const Core::String &output) {
#ifdef _WIN32
  std::cout << output << std::endl;
#else
  // TODO Make pager command configurable
  FILE *pipe = popen("pager", "w");
  if(!pipe)
    pipe = popen("less", "w");
  if(!pipe)
    pipe = popen("more", "w");
  if(!pipe) {
    std::cout << output << std::endl;
    return;
  }

  fputs(output.toLocale().c_str(), pipe);
  // TODO Error handling
  pclose(pipe);
#endif
}

}
}