From c612ebb2e41ad10d469841579969dda9ab296895 Mon Sep 17 00:00:00 2001
From: Deivid Soto <hello@torrentclaw.com>
Date: Tue, 7 Apr 2026 23:29:00 +0200
Subject: [PATCH] feat(stream): report duration and position in watch progress

EstimatedProgress now returns video duration in seconds (from ffprobe).
WatchReporter sends Position and Duration fields when available, giving
the server precise playback time instead of just a percentage.
---
 internal/engine/watch_reporter.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/internal/engine/watch_reporter.go b/internal/engine/watch_reporter.go
index e7fa4da..9e6c185 100644
--- a/internal/engine/watch_reporter.go
+++ b/internal/engine/watch_reporter.go
@@ -47,7 +47,7 @@ func (wr *WatchReporter) Run(ctx context.Context) {
 }
 
 func (wr *WatchReporter) sendReport(ctx context.Context) {
-	pct, _ := wr.server.EstimatedProgress()
+	pct, durSec := wr.server.EstimatedProgress()
 	if pct == 0 || pct == wr.lastSentPct {
 		return
 	}
@@ -58,6 +58,11 @@ func (wr *WatchReporter) sendReport(ctx context.Context) {
 		Source:   "range",
 		Progress: &pct,
 	}
+	if durSec > 0 {
+		update.Duration = &durSec
+		pos := int(float64(pct) / 100 * float64(durSec))
+		update.Position = &pos
+	}
 
 	reportCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
 	defer cancel()