///@ main.c

#include <stdlib.h>
#include <argp.h>

#include "calibrate.h"
#include "install.h"
// #include "query.h"
// #include "list.h"

#define PROGRAM_NAME "modetw" ///< Name of program
#define PROGRAM_VERSION "0.0.1" ///< Version of program
#define PROGRAM_ADDRESS "https://forge.chapril.org/pradana.aumars/modetw" ///< Web address of program

const char* argp_program_version = PROGRAM_NAME PROGRAM_VERSION;
const char* argp_program_bug_address = PROGRAM_ADDRESS;

static char doc[] =
  PROGRAM_NAME " -- A utility tool for installing modifications for Empire: Total War";

  static char args_doc[] = "";

static struct argp_option options[] = {
  //{"help",        'h', 0,      0,  "Show help menu" },
  {"calibrate",   'c', 0,      0,  "Calibrate game for mod installation" },
  {"install",     'i', "MOD",  0,  "Install MOD" },
  {"uninstall",   'i', "MOD",  0,  "Uninstall MOD" },
  {"query",       'q', "MOD",  0,  "Query MOD" },
  {"list",        'l', 0,      0,  "List installed mods" },
  { 0 }
};

struct arguments
{
  int calibrate,install,uninstall,query,list;
  char *mod;
};

static error_t
parse_opt (int key, char *arg, struct argp_state *state)
{
  struct arguments *arguments = state->input;

  switch (key)
    {
    case 'c':
      arguments->calibrate = 1;
      break;
    case 'i':
      arguments->install = 1;
      arguments->mod = arg;
      break;
    case 'u':
      arguments->uninstall = 1;
      arguments->mod = arg;
      break;
    case 'q':
      arguments->query = 1;
      arguments->mod = arg;
      break;
    case 'l':
      arguments->list = 1;
      break;

    default:
      return ARGP_ERR_UNKNOWN;
    }
  return 0;
}

static struct argp argp = { options, parse_opt, args_doc, doc };

int
main(int argc, char **argv)
{
  exception_t *e = NULL;
  /*
  if (!conf_verifygamedir())
  {
    fprintf(stderr, "Game directory not found!");
  }
  */
  struct arguments arguments;

  /* Default values. */
  arguments.calibrate = 0;
  arguments.install = 0;
  arguments.uninstall = 0;
  arguments.query = 0;
  arguments.list = 0;
  arguments.mod = "";

  argp_parse (&argp, argc, argv, 0, 0, &arguments);

  if (arguments.install && arguments.uninstall) {
    fprintf (stderr, "You cannot install and uninstall at the same time!\n");
    exit (EXIT_FAILURE);
  }

  if (arguments.calibrate)
  {
    calibrate(e);
  }
  else if (arguments.install)
  {
    // install(arguments.mod);
    fprintf(stderr, "Not implemented.\n");
    exit (EXIT_FAILURE);
  }
  else if (arguments.uninstall)
  {
    // uninstall(arguments.mod);
    fprintf(stderr, "Not implemented.\n");
    exit (EXIT_FAILURE);
  }
  else if (arguments.query)
  {
    // query(arguments.mod);
    fprintf(stderr, "Not implemented.\n");
    exit (EXIT_FAILURE);
  }
  else if (arguments.list)
  {
    // list();
    fprintf(stderr, "Not implemented.\n");
    exit (EXIT_FAILURE);
  }
  
  exit (EXIT_SUCCESS);
}