From 89374a1c76f23816d1998c0f62930027e5a8ffd2 Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Sun, 24 Mar 2024 10:47:39 +0100
Subject: ui: Send upcoming songs to eventcmd.

---
 src/ui.c | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 60 insertions(+), 16 deletions(-)

(limited to 'src/ui.c')

diff --git a/src/ui.c b/src/ui.c
index 204179c..2b28e62 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -844,6 +844,49 @@ size_t BarUiListSongs (const BarApp_t * const app,
 	return i;
 }
 
+enum {
+	NO_DURATION = 0,
+};
+#define NO_POSTFIX ""
+
+/*	Print song information to the eventcmd stream
+ *	@param Event command stream.
+ *	@param Song information.
+ *	@param Printed key name postfix, use NO_POSTFIX to print bare keys.
+ *	@param Override song length from song parameter, use NO_DURATION if unavailable.
+ */
+static void BarUiEventcmdPrintSong (FILE * restrict stream,
+		const PianoSong_t * const song, const char * const postfix,
+		const unsigned int songDuration) {
+	assert (song != NULL);
+	assert (stream != NULL);
+	assert (postfix != NULL);
+
+	fprintf (stream,
+			"artist%s=%s\n"
+			"title%s=%s\n"
+			"album%s=%s\n"
+			"coverArt%s=%s\n"
+			"rating%s=%i\n"
+			"detailUrl%s=%s\n"
+			"songDuration%s=%u\n",
+			postfix,
+			song->artist,
+			postfix,
+			song->title,
+			postfix,
+			song->album,
+			postfix,
+			song->coverArt,
+			postfix,
+			song->rating,
+			postfix,
+			song->detailUrl,
+			postfix,
+			songDuration == NO_DURATION ? song->length : songDuration
+			);
+}
+
 /*	Excute external event handler
  *	@param settings containing the cmdline
  *	@param event type
@@ -900,36 +943,37 @@ void BarUiStartEventCmd (const BarSettings_t *settings, const char *type,
 		pthread_mutex_unlock (&player->lock);
 
 		fprintf (pipeWriteFd,
-				"artist=%s\n"
-				"title=%s\n"
-				"album=%s\n"
-				"coverArt=%s\n"
 				"stationName=%s\n"
 				"songStationName=%s\n"
 				"pRet=%i\n"
 				"pRetStr=%s\n"
 				"wRet=%i\n"
 				"wRetStr=%s\n"
-				"songDuration=%u\n"
-				"songPlayed=%u\n"
-				"rating=%i\n"
-				"detailUrl=%s\n",
-				curSong == NULL ? "" : curSong->artist,
-				curSong == NULL ? "" : curSong->title,
-				curSong == NULL ? "" : curSong->album,
-				curSong == NULL ? "" : curSong->coverArt,
+				"songPlayed=%u\n",
 				curStation == NULL ? "" : curStation->name,
 				songStation == NULL ? "" : songStation->name,
 				pRet,
 				PianoErrorToStr (pRet),
 				wRet,
 				curl_easy_strerror (wRet),
-				songDuration,
-				songPlayed,
-				curSong == NULL ? PIANO_RATE_NONE : curSong->rating,
-				curSong == NULL ? "" : curSong->detailUrl
+				songPlayed
 				);
 
+		if (curSong != NULL) {
+			BarUiEventcmdPrintSong (pipeWriteFd, curSong, NO_POSTFIX, songDuration);
+		}
+
+		const PianoSong_t *nextSong = PianoListNextP (curSong);
+		if (nextSong != NULL) {
+			unsigned int i = 0;
+			PianoListForeachP (nextSong) {
+				char postfix[16];
+				snprintf (postfix, sizeof(postfix)-1, "Next%i", i);
+				BarUiEventcmdPrintSong (pipeWriteFd, nextSong, postfix, NO_DURATION);
+				i++;
+			}
+		}
+
 		if (stations != NULL) {
 			/* send station list */
 			PianoStation_t **sortedStations = NULL;
-- 
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