#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/errno.h>
#include <limits.h>
#include <unistd.h>
#include <time.h>

#include <readline/readline.h>
#include <readline/history.h>

#include <main.h>
#include <commands.h>
#include <completion.h>
#include <utils.h>

#include <shell.h>
#include <users.h>

/* **************************************************************** */
/*                                                                  */
/*                       SILA Shell Commands                        */
/*                                                                  */
/* **************************************************************** */

/* String to pass to system ().  This is for the LIST, VIEW and RENAME
   commands. */
static char syscom[PATH_MAX];

/* List the file(s) named in arg. */
int com_ls( char *arg )
{
  if( !arg )
    arg = "";

  sprintf( syscom, "ls -FClg %s", arg );
  return( system( syscom ) );
}

int com_id( char *arg )
{
  if( !arg )
    arg = "";

  sprintf( syscom, "id %s", arg );
  return( system( syscom ) );
}

int com_more( char *arg )
{
  if( !valid_argument( "more", arg ) )
    return( 1 );

  sprintf( syscom, "more %s", arg );
  return( system( syscom ) );
}

int com_vi( char *arg )
{
  if( !valid_argument( "vi", arg ) )
    return( 1 );

  sprintf( syscom, "vi %s", arg );
  return( system( syscom ) );
}

int com_rename( char *arg )
{
  too_dangerous( "rename" );
  return( 1 );
}

int com_stat( char *arg )
{
  struct stat finfo;

  if( !valid_argument( "stat", arg ) )
    return( 1 );

  if( stat( arg, &finfo ) == -1 )
  {
    perror( arg );
    return( 1 );
  }

  printf( "Statistics for `%s':\n", arg );

  printf( "%s has %ld link%s, and is %ld byte%s in length.\n", arg,
          finfo.st_nlink,
          (finfo.st_nlink == 1) ? "" : "s",
          finfo.st_size,
          (finfo.st_size == 1) ? "" : "s#include <systemd/sd-bus.h>");
  printf( "Inode Last Change at: %s", ctime( &finfo.st_ctime ) );
  printf( "      Last access at: %s", ctime( &finfo.st_atime ) );
  printf( "    Last modified at: %s", ctime( &finfo.st_mtime ) );
  return( 0 );
}

int com_delete( char *arg )
{
  too_dangerous( "delete" );
  return( 1 );
}


/* Change to the directory ARG. */
int com_cd( char *arg )
{
  if( !strcmp( arg, "~" ) )
  {
    arg = getenv( "HOME" );
  }

  if( chdir( arg ) == -1 )
  {
    perror( arg );
    return( 1 );
  }

  com_pwd( "" );
  return( 0 );
}

/* Print out the current working directory. */
int com_pwd( char *ignore )
{
  char dir[PATH_MAX], *s;

  s = getcwd( dir, PATH_MAX );
  if( s == 0 )
  {
    printf( "Error getting pwd: %s\n", dir );
    return( 1 );
  }

  printf( "Current directory is: %s\n", dir );
  return( 0 );
}

int com_ping( char *arg )
{
  if( !valid_argument( "ping", arg ) )
    return( 1 );

  sprintf( syscom, "ping %s", arg );
  return( system( syscom ) );
}

int com_poweroff( char *arg )
{
  if( !arg )
    arg = "";

  sprintf( syscom, "/sbin/poweroff %s", arg );
  return( system( syscom ) );
}