#include <libgen.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <mpd/client.h>

#include "../util.h"

/* add to config.mk :
# mpd
+ MPDLIB   =  -lmpdclient
+ MPDFLAG  =  -DMPD

- LIBS = -L/usr/lib -lc -L${X11LIB} -lX11
+ LIBS = -L/usr/lib -lc -L${X11LIB} -lX11 ${MPDLIB}

- CPPFLAGS = -DVERSION=\"${VERSION}\"
+ CPPFLAGS = ${MPDFLAG} -DVERSION=\"${VERSION}\"
*/
/* simple function to retrieve mpd status */
const char *
mpd_song() {
	int ret = -1;
	struct mpd_song * song = NULL;
	struct mpd_connection * conn ;
	if (!(conn = mpd_connection_new("localhost", 0, 30000)) ||
			mpd_connection_get_error(conn)){
		return NULL;
	}

	mpd_command_list_begin(conn, true);
	mpd_send_status(conn);
	mpd_send_current_song(conn);
	mpd_command_list_end(conn);

	struct mpd_status* theStatus = mpd_recv_status(conn);
	if ((theStatus) && (mpd_status_get_state(theStatus) == MPD_STATE_PLAY)) {
		mpd_response_next(conn);
		song = mpd_recv_song(conn);
		ret = esnprintf(buf, sizeof(buf), "%s", mpd_song_get_tag(song, MPD_TAG_TITLE, 0));
		if (!strncmp(buf, "(null)", sizeof("(null)") - 1))
			ret = esnprintf(buf, sizeof(buf), "%s", basename(mpd_song_get_uri(song)));
		/*
		artist = smprintf("%s",mpd_song_get_tag(song, MPD_TAG_ARTIST, 0));
		elapsed = mpd_status_get_elapsed_time(theStatus);
		total = mpd_status_get_total_time(theStatus);
		*/
		mpd_song_free(song);
	}
	mpd_response_finish(conn);
	mpd_connection_free(conn);
	return (ret < 0) ? NULL : buf;
}