Fix for offline mode

src-tauri/src/commands/player/mod.rs

@@ -1422,13 +1422,14 @@ pub async fn player_play_album_track(
         info!("  [{}] {} (ID: {})", idx, track.name, track.id);
     }
 
-    // Find the index of the requested track
+    // Validate the requested track exists in the album (its position in the
+    // final queue is computed after building, since offline tracks are skipped).
     info!("Looking for track_id: {}", request.track_id);
-    let start_index = tracks.iter()
+    let album_index = tracks.iter()
         .position(|t| t.id == request.track_id)
         .ok_or_else(|| format!("Track {} not found in album", request.track_id))?;
 
-    info!("Track {} is at index {} in album", request.track_id, start_index);
+    info!("Track {} is at index {} in album", request.track_id, album_index);
 
     // Convert tracks to MediaItems
     let mut media_items = Vec::new();
@@ -1443,13 +1444,21 @@ pub async fn player_play_album_track(
                 jellyfin_item_id: Some(jellyfin_id.clone()),
             }
         } else {
-            // Get stream URL from repository (works online/offline)
-            let stream_url = repository.get_audio_stream_url(&track.id).await
-                .map_err(|e| format!("Failed to get stream URL for {}: {}", track.name, e))?;
-
-            MediaSource::Remote {
-                stream_url,
-                jellyfin_item_id: jellyfin_id.clone(),
+            // Non-downloaded track: needs a stream URL from the server. When the
+            // server is unreachable (offline), skip this track rather than failing
+            // the whole album — downloaded tracks must still be playable.
+            match repository.get_audio_stream_url(&track.id).await {
+                Ok(stream_url) => MediaSource::Remote {
+                    stream_url,
+                    jellyfin_item_id: jellyfin_id.clone(),
+                },
+                Err(e) => {
+                    warn!(
+                        "[Player] Skipping track {} ({}) — no local download and stream URL unavailable: {}",
+                        track.name, track.id, e
+                    );
+                    continue;
+                }
             }
         };
 
@@ -1489,6 +1498,18 @@ pub async fn player_play_album_track(
         media_items.push(media_item);
     }
 
+    if media_items.is_empty() {
+        return Err("No playable tracks available (offline and nothing downloaded)".to_string());
+    }
+
+    // Tracks with no local download and no reachable server were skipped above,
+    // so positions shifted. Re-locate the requested track in the built queue.
+    // If the tapped track itself was skipped, fall back to the first item.
+    let start_index = media_items
+        .iter()
+        .position(|item| item.id == request.track_id)
+        .unwrap_or(0);
+
     info!("Built queue with {} media items, starting at index {}", media_items.len(), start_index);
 
     // Handle shuffle before setting queue