/*
   orxonox - the future of 3D-vertical-scrollers

   Copyright (C) 2004 orx

   This program 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 2, or (at your option)
   any later version.

   ### File Specific:
   main-programmer: Christoph Renner
   co-programmer: ...
*/

//#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_

#include "cmd_line_prefs_reader.h"

using namespace std;

static const argp_option   argp_options[] = {
  {"server",        's',        0,         0,   "Run as Server"},
  {"client",        'c',        0,         0,   "Run as Client"},
  {"host",          'h',        "ADDRESS", 0,   "Host to connect to"},
  {"port",          'p',        "PORT",    0,   "Port number"},
  {"user-config",   1000,       "FILE",    0,   "Location of config file" },
  { 0 }
};

const char* argp_program_version     = "orxonox";
const char* argp_program_bug_address = "bugs@orxonox.net";
static char doc[]                    = "doc goes here";
static char args_doc[]               = "args doc goes here";

static Argp argp = { argp_options, CmdLinePrefsReader::parse_opt, args_doc, doc };

/**
 * standard constructor
*/
CmdLinePrefsReader::CmdLinePrefsReader(int argc, char** argv)
{
  //set default values
  cmdLineArgs.host       = NULL;
  cmdLineArgs.port       = NULL;
  cmdLineArgs.configFile = NULL;
  cmdLineArgs.isServer   = false;
  cmdLineArgs.isClient   = false;

  int endIndex = 0;
  argp_parse(&argp, argc, argv, 0, &endIndex, &(this->cmdLineArgs));


  PRINTF(0)("host       = %s\n", cmdLineArgs.host);
  PRINTF(0)("port       = %s\n", cmdLineArgs.port);
  PRINTF(0)("configfile = %s\n", cmdLineArgs.configFile);
  PRINTF(0)("server     = %d\n", cmdLineArgs.isServer);
  PRINTF(0)("client     = %d\n", cmdLineArgs.isClient);

}


/**
 * standard deconstructor
*/
CmdLinePrefsReader::~CmdLinePrefsReader ()
{
}

error_t CmdLinePrefsReader::parse_opt(int key, char *arg, ArgpState *state)
{
  CmdLineArgs * cmdLineArgs = (CmdLineArgs*)(state->input);

  switch ( key )
  {
    case 1000:
      if ( cmdLineArgs->configFile!=NULL ) delete[] cmdLineArgs->configFile;
      cmdLineArgs->configFile = new char[strlen(arg)+1];
      strcpy(cmdLineArgs->configFile, arg);
      break;

    case 's':
      cmdLineArgs->isServer = true;
      break;

    case 'c':
      cmdLineArgs->isClient = true;
      break;

    case 'h':
      if ( cmdLineArgs->host!=NULL ) delete[] cmdLineArgs->host;
      cmdLineArgs->host = new char[strlen(arg)+1];
      strcpy(cmdLineArgs->host, arg);
      break;

    case 'p':
      if ( cmdLineArgs->port!=NULL ) delete[] cmdLineArgs->port;
      cmdLineArgs->port = new char[strlen(arg)+1];
      strcpy(cmdLineArgs->port, arg);
      break;

    default:
      return ARGP_ERR_UNKNOWN;
  }

  return 0;
}