#include <evapp/util.h>


bool get_database_from_uri(const char *uri, char *d, size_t max) {
  char *start = NULL, *end = NULL;
  size_t to_copy = 0;
  assert(uri);
  start = index(uri, '/');
  if (!start || *(start+1) == '\0') return false;
  start = index(start+1, '/');
  if (!start || *(start+1) == '\0') return false;
  start++;
  end = index(start, '/');
  /* Maybe a query? */
  if (!end)
    end = index(start, '?');
  /* Fallback to end of string */
  if (!end)
    end = index(start, '\0');

  to_copy = end - start;
  if (to_copy >= max)
    to_copy = max - 1;
  /* copy and terminate */
  strncpy(d, start, to_copy);
  d[to_copy] = '\0';
  return true;
}


bool get_last_value_as_uint64(evapp_ctx *ctx, u_int64_t *i) {
  char *c = rindex(evapp_request(ctx)->uri, '/');
  if (c == NULL || *(++c) == '\0')
    return false;
  errno = 0;
  *i = (u_int64_t) strtoll(c, NULL, 10);
  if (errno != 0)
    return false;
  return true;
}