add custom activity name template with placeholder support

.gitignore

@@ -1,3 +1,4 @@
 *.wasm
 *.ndp
 tmp
+.DS_Store

main.go

@@ -28,6 +28,7 @@ const (
 	clientIDKey             = "clientid"
 	usersKey                = "users"
 	activityNameKey         = "activityname"
+	activityNameTemplateKey = "activitynametemplate"
 )
 
 // Activity name display options
@@ -36,6 +37,7 @@ const (
 	activityNameTrack   = "Track"
 	activityNameArtist  = "Artist"
 	activityNameAlbum   = "Album"
+	activityNameCustom  = "Custom"
 )
 
 // userToken represents a user-token mapping from the config
@@ -155,6 +157,14 @@ func (p *discordPlugin) NowPlaying(input scrobbler.NowPlayingRequest) error {
 		activityName = input.Track.Album
 	case activityNameArtist:
 		activityName = input.Track.Artist
+	case activityNameCustom:
+		template, _ := pdk.GetConfig(activityNameTemplateKey)
+		if template != "" {
+			activityName = template
+			activityName = strings.ReplaceAll(activityName, "{track}", input.Track.Title)
+			activityName = strings.ReplaceAll(activityName, "{artist}", input.Track.Artist)
+			activityName = strings.ReplaceAll(activityName, "{album}", input.Track.Album)
+		}
 	}
 
 	// Send activity update

main_test.go

@@ -230,6 +230,67 @@ var _ = Describe("discordPlugin", func() {
 			Entry("uses track album when configured", "Album", true, "Test Album"),
 			Entry("uses track artist when configured", "Artist", true, "Test Artist"),
 		)
+
+		DescribeTable("custom activity name template",
+			func(template string, templateExists bool, expectedName string) {
+				pdk.PDKMock.On("GetConfig", clientIDKey).Return("test-client-id", true)
+				pdk.PDKMock.On("GetConfig", usersKey).Return(`[{"username":"testuser","token":"test-token"}]`, true)
+				pdk.PDKMock.On("GetConfig", uguuEnabledKey).Return("", false)
+				pdk.PDKMock.On("GetConfig", activityNameKey).Return("Custom", true)
+				pdk.PDKMock.On("GetConfig", activityNameTemplateKey).Return(template, templateExists)
+
+				// Connect mocks
+				host.CacheMock.On("GetInt", "discord.seq.testuser").Return(int64(0), false, errors.New("not found"))
+				gatewayResp := []byte(`{"url":"wss://gateway.discord.gg"}`)
+				gatewayReq := &pdk.HTTPRequest{}
+				pdk.PDKMock.On("NewHTTPRequest", pdk.MethodGet, "https://discord.com/api/gateway").Return(gatewayReq).Once()
+				pdk.PDKMock.On("Send", gatewayReq).Return(pdk.NewStubHTTPResponse(200, nil, gatewayResp)).Once()
+				host.WebSocketMock.On("Connect", mock.MatchedBy(func(url string) bool {
+					return strings.Contains(url, "gateway.discord.gg")
+				}), mock.Anything, "testuser").Return("testuser", nil)
+
+				// Capture the activity payload sent to Discord
+				var sentPayload string
+				host.WebSocketMock.On("SendText", "testuser", mock.Anything).Run(func(args mock.Arguments) {
+					sentPayload = args.Get(1).(string)
+				}).Return(nil)
+				host.SchedulerMock.On("ScheduleRecurring", mock.Anything, payloadHeartbeat, "testuser").Return("testuser", nil)
+				host.SchedulerMock.On("CancelSchedule", "testuser-clear").Return(nil)
+
+				// Image mocks
+				host.CacheMock.On("GetString", mock.MatchedBy(func(key string) bool {
+					return strings.HasPrefix(key, "discord.image.")
+				})).Return("", false, nil)
+				host.CacheMock.On("SetString", mock.Anything, mock.Anything, mock.Anything).Return(nil)
+				host.ArtworkMock.On("GetTrackUrl", "track1", int32(300)).Return("https://example.com/art.jpg", nil)
+				assetsReq := &pdk.HTTPRequest{}
+				pdk.PDKMock.On("NewHTTPRequest", pdk.MethodPost, mock.MatchedBy(func(url string) bool {
+					return strings.Contains(url, "external-assets")
+				})).Return(assetsReq)
+				pdk.PDKMock.On("Send", assetsReq).Return(pdk.NewStubHTTPResponse(200, nil, []byte(`{"key":"test-key"}`)))
+				host.SchedulerMock.On("ScheduleOneTime", mock.Anything, payloadClearActivity, "testuser-clear").Return("testuser-clear", nil)
+
+				err := plugin.NowPlaying(scrobbler.NowPlayingRequest{
+					Username: "testuser",
+					Position: 10,
+					Track: scrobbler.TrackInfo{
+						ID:       "track1",
+						Title:    "Test Song",
+						Artist:   "Test Artist",
+						Album:    "Test Album",
+						Duration: 180,
+					},
+				})
+				Expect(err).ToNot(HaveOccurred())
+				Expect(sentPayload).To(ContainSubstring(fmt.Sprintf(`"name":"%s"`, expectedName)))
+			},
+			Entry("uses custom template with all placeholders", "{artist} - {track} ({album})", true, "Test Artist - Test Song (Test Album)"),
+			Entry("uses custom template with only track", "{track}", true, "Test Song"),
+			Entry("uses custom template with only artist", "{artist}", true, "Test Artist"),
+			Entry("uses custom template with only album", "{album}", true, "Test Album"),
+			Entry("uses custom template with plain text", "Now Playing", true, "Now Playing"),
+			Entry("falls back to Navidrome when template is empty", "", false, "Navidrome"),
+		)
 	})
 
 	Describe("Scrobble", func() {

manifest.json

@@ -55,10 +55,17 @@
             "Default",
             "Track",
             "Album",
-            "Artist"
+            "Artist",
+            "Custom"
           ],
           "default": "Default"
         },
+        "activitynametemplate": {
+          "type": "string",
+          "title": "Custom Activity Name Template",
+          "description": "Template for the activity name. Available placeholders: {track}, {artist}, {album}",
+          "default": "{artist} - {track}"
+        },
         "uguuenabled": {
           "type": "boolean",
           "title": "Upload artwork to uguu.se (enable if Navidrome is not publicly accessible)",
@@ -111,6 +118,19 @@
             "format": "radio"
           }
         },
+        {
+          "type": "Control",
+          "scope": "#/properties/activitynametemplate",
+          "rule": {
+            "effect": "SHOW",
+            "condition": {
+              "scope": "#/properties/activityname",
+              "schema": {
+                "const": "Custom"
+              }
+            }
+          }
+        },
         {
           "type": "Control",
           "scope": "#/properties/uguuenabled"