/*
 *	BIRD Client Bash Expansion
 *
 *	(c) 2017       Jan Moskyto Matejka <mq@jmq.cz>
 *
 *	Can be freely distributed and used under the terms of the GNU GPL.
 */


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

#include "nest/bird.h"
#include "client/client.h"

static int comp_type, comp_cword;
const char *comp_now, *comp_last;

void complete_init(int argc, char **argv) {
  /* In argv, there are:
   * $NOW
   * $COMP_TYPE
   * $COMP_CWORD
   * $COMP_POINT
   * ${COMP_WORDS[@]}
   */

  comp_now = argv[0];

  if (argc < COMPLETE_ARGC)
    die("Not enough args.");

  if (sscanf(argv[1], "%d", &comp_type) != 1)
    die("Strange COMP_TYPE=\"%s\".", argv[1]);

  if (sscanf(argv[2], "%d", &comp_cword) != 1)
    die("Strange COMP_CWORD=\"%s\".", argv[2]);

  if (comp_cword + COMPLETE_ARGC >= argc)
    die("COMP_CWORD=%d points after end of arg list.", comp_cword);

  comp_last = argv[COMPLETE_ARGC + comp_cword];
  return;
}

int do_complete(char *cmd) {
  if ((*cmd == 0) && (comp_type == 63))
    printf("-s\n-l\n-v\n-r\n");

  char buf[256];
  int res = cmd_complete(cmd, strlen(cmd), buf, (comp_type == 63));
  if (res == 1)
    printf("%s%s\n", comp_now, buf);

    
  return 0;
}

#if 0

  /* Environment and input check */
  if (!comp_line || !index(comp_line, ' '))
    die("Environment variable COMP_LINE not found.");

  /* Drop the command name */
  comp_line = index(comp_line, ' ') + 1;

  /* StrTok copy */
  char *clt = strdup(comp_line);
  char *tok = strtok(clt, " ");
  do {
    if (!tok)
      break;
    if (!tok[0])
      goto next;

    if (want_socket) {
      opt_s = tok;
      goto next;
    }

    if (tok[0] == '-')
      switch(tok[1]) {
	case 's':
	  if (tok[2])
	    opt_s = tok+2;
	  else
	    want_socket = 1;
	  goto next;
	case 'v':
	  opt_v++;
	  goto next;
	case 'r':
	  opt_r++;
	  goto next;
	case 'l':
	  opt_l++;
	  goto next;
	default:
	  return 0;
      }

next:
    tok = strtok(NULL, " ");
  } while (tok);
  


  fprintf(stderr, "KEY \"%s\"\nLINE \"%s\"\nPOINT \"%s\"\nTYPE \"%s\"\n",
      comp_key, comp_line, comp_point, comp_type);

  char buf[256];
  int result = cmd_complete(comp_line, atoi(comp_point), buf, 0);

  if (result < 0)
    return 0;

  puts(buf);

  return 0;
}
#endif