refactor(task-376): share audio attribution builder

1 files changed, 9 insertions, 12 deletions

diff --git a/internal/gui/generator.go b/internal/gui/generator.go
index 14f0f60..09ff534 100644
--- a/internal/gui/generator.go
+++ b/internal/gui/generator.go
@@ -367,20 +367,17 @@ func (a *Application) generateImagesWithPrompt(ctx context.Context, word string,
 
 // saveAudioAttribution saves attribution info for generated audio
 func (a *Application) saveAudioAttribution(word, audioFile, voice string, speed float64) error {
-	attribution := fmt.Sprintf("Audio generated by OpenAI TTS\n\n")
-	attribution += fmt.Sprintf("Bulgarian word: %s\n", word)
-	attribution += fmt.Sprintf("Model: %s\n", a.audioConfig.OpenAIModel)
-	attribution += fmt.Sprintf("Voice: %s\n", voice)
-	attribution += fmt.Sprintf("Speed: %.2f\n", speed)
-
-	if a.audioConfig.OpenAIInstruction != "" {
-		attribution += fmt.Sprintf("\nVoice instructions:\n%s\n", a.audioConfig.OpenAIInstruction)
-	}
-
-	attribution += fmt.Sprintf("\nGenerated at: %s\n", time.Now().Format("2006-01-02 15:04:05"))
+	attribution := audio.BuildOpenAIAttribution(audio.AttributionParams{
+		Word:        word,
+		Model:       a.audioConfig.OpenAIModel,
+		Voice:       voice,
+		Speed:       speed,
+		Instruction: a.audioConfig.OpenAIInstruction,
+		GeneratedAt: time.Now(),
+	})
 
 	// Save to file
-	attrPath := strings.TrimSuffix(audioFile, filepath.Ext(audioFile)) + "_attribution.txt"
+	attrPath := audio.AttributionPath(audioFile)
 	if err := os.WriteFile(attrPath, []byte(attribution), 0644); err != nil {
 		return fmt.Errorf("failed to write audio attribution file: %w", err)
 	}