/*
 * main.c
 *
 * yait/fSD 1.0
 *
 * Copying policy:
 *
 * yait 1.0 can be copied and distributed freely for any
 * non-commercial purposes. yait 1.0 can only be incorporated
 * into commercial software with the permission of the current author.
 *
 * This file contains the main driving routine, and some handling
 * for C/SH distinction.
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "globals.h"
#include "proj.h"
#include "shell.h"
#include "usage.h"
#include "version.h"

void usage(int status)
{
  printf("Usage: %s filename\n", PROGRAM_NAME);
  printf("   or: %s [options]\n\n", PROGRAM_NAME);
  fputs("      -s         enable shell creation mode\n", stdout);
  fputs("      -S         enable shell creation mode as a full project\n", stdout);
  fputs("      --help     display this help and exit\n", stdout);
  fputs("      --version  output version information and exit\n", stdout);

  exit(status);
}

int main(int argc, char **argv)
{
  int S = 0;
  int mode = -1;
  char *package = NULL;

  if (argc < 2)
    die("not enough arguments");

  for (int i = 1; i < argc; ++i)
    {
      if (argv[i][0] == '-')
        {
          if (strcmp(argv[i], "--help") == 0)
            usage(EXIT_SUCCESS);
          else if (strcmp(argv[i], "--version") == 0)
            {
              version();
              exit(EXIT_SUCCESS);
            }
          else if (strcmp(argv[i], "-s") == 0) {
            S = 1;
            mode = SINGLE;
	  }
          else if (strcmp(argv[i], "-S") == 0) {
            S = 1;
            mode = FULL;
	  }
          else
            die("unknown option");
        }
      else
        package = argv[i];
    }

  if (!package)
    die("no package name provided");

  if (S == SINGLE || S == FULL)
    makeshell(package, mode);
  else
    makeproj(package);

  return 0;
}