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

#include "parse.h"
#include "utils.h"

/* possibly globalize creds so that we can ensure by using
   atexit that it is always cleansed? */

/* these are closer described as 'setters', no? */

int parse_remind(char const * arg)
{
  (void) arg;
  ERRMSG("not implemented");
  return 0;
}

int parse_repo(char const * arg)
{
  (void) arg;
  ERRMSG("not implemented");
  return 0;
}

int
parse_command(char const * command,
              const char * arg /* NULLABLE */)
{
  /* I know. */
#define COMMAND(cmd,fn) if (strcmp(command,cmd) == 0) { return fn(arg); } else
  COMMAND("remind", parse_remind)
  COMMAND("set_repo", parse_repo)
  /* COMMAND("raw", sql_execute?) */
  /* COMMAND("post", parse_post) */
  /* COMMAND("prune", parse_prune) */
  /* COMMAND("search", parse_search) */
  /* COMMAND("list", parse_list) */
  { ERR(1,"No such command.\n"); }
#undef COMMAND
}

int
parse_creds(creds_t * creds,
            char const * creds_file)
{
  FILE * stream;
  size_t nread = 0;

  creds->username = NULL;
  creds->password = NULL;

  stream = fopen(creds_file, "r");
  if (stream == NULL)
  { PERROR(PROGN); }

  if (getline(&(creds->username), &nread, stream) < 1)
  {
    ERRMSG("Cannot get username");
    goto fail;
  }

  if (getline(&(creds->password), &nread, stream) < 1)
  {
    ERRMSG("Cannot get password");
    goto fail;
  }

  fclose(stream);
  return 0;

  // Releasing everything in cause of a failure
fail:
  fclose(stream);
  clean_creds(creds);
  return 1;
}

void
clean_creds(creds_t * creds)
{
  /* Should we memset these? */
  free(creds->username);
  creds->username = NULL;

  free(creds->password);
  creds->password = NULL;
}