#include <windows.h>
#include <SWI-Prolog.h>

#include "resource.h"

/* Convert zero-terminated non-wide (multi-byte) string to
 * zero-terminated wide/non-wide string depending on UNICODE. */
TCHAR *
TSZFromSZ(const char *sz, int iCp)
{
	TCHAR *tsz;

#ifdef UNICODE
	int cbMultiByte, cchWideChar;

	cbMultiByte = strlen(sz)+1;
	cchWideChar = MultiByteToWideChar(iCp, 0, sz, cbMultiByte, NULL, 0);
	tsz = malloc(cchWideChar*sizeof(WCHAR));
	if (!tsz)
		return NULL;
	if (!MultiByteToWideChar(iCp, 0, sz, cbMultiByte, tsz, cchWideChar))
		return NULL;
#else
	tsz = malloc(strlen(sz)+1);
	if (!tsz)
		return NULL;
	strcpy(tsz, sz);
#endif

	return tsz;
}

int
Watched(int iEpisode)
{
	term_t t;

	t = PL_new_term_refs(1);
	if (!PL_put_integer(t+0, iEpisode))
		return 0;

	return PL_call_predicate(NULL, PL_Q_NORMAL,
		PL_predicate("watched", 1, "track_episodes"),
		t);
}