fix: always use random voice selection for audio generation

Previously, random voice was only used for regeneration.
Now all audio generation uses a random voice from the available
OpenAI voices for more variety in pronunciation.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

1 files changed, 9 insertions, 30 deletions

diff --git a/internal/gui/generator.go b/internal/gui/generator.go
index f7bed2f..7704fb3 100644
--- a/internal/gui/generator.go
+++ b/internal/gui/generator.go
@@ -85,36 +85,15 @@ func (a *Application) translateEnglishToBulgarian(word string) (string, error) {
 
 // generateAudio generates audio for a word
 func (a *Application) generateAudio(ctx context.Context, word string) (string, error) {
-	// Check if this is a regeneration by looking for existing audio file
-	wordDir := a.findCardDirectory(word)
-	isRegeneration := false
-	if wordDir != "" {
-		audioFile := filepath.Join(wordDir, fmt.Sprintf("audio.%s", a.config.AudioFormat))
-		if _, err := os.Stat(audioFile); err == nil {
-			isRegeneration = true
-		}
-	}
+	// Always use random voice and speed for variety
+	allVoices := []string{"alloy", "ash", "ballad", "coral", "echo", "fable", "onyx", "nova", "sage", "shimmer", "verse"}
 
-	// For regeneration, use random voice and speed; otherwise use defaults
-	var voice string
-	var speed float64
-
-	if isRegeneration {
-		// Get available voices
-		allVoices := []string{"alloy", "ash", "ballad", "coral", "echo", "fable", "onyx", "nova", "sage", "shimmer", "verse"}
-
-		// Select a random voice
-		rand.Seed(time.Now().UnixNano())
-		voice = allVoices[rand.Intn(len(allVoices))]
-
-		// Generate random speed between 0.90 and 1.00
-		speed = 0.90 + rand.Float64()*0.10
-	} else {
-		// Use defaults for first generation
-		voice = "alloy"
-		speed = 1.0
-		// speed = 0.98
-	}
+	// Select a random voice
+	rand.Seed(time.Now().UnixNano())
+	voice := allVoices[rand.Intn(len(allVoices))]
+
+	// Generate random speed between 0.90 and 1.00
+	speed := 0.90 + rand.Float64()*0.10
 
 	// Update audio config with selected voice and speed
 	a.audioConfig.OpenAIVoice = voice
@@ -127,7 +106,7 @@ func (a *Application) generateAudio(ctx context.Context, word string) (string, e
 	}
 
 	// Find existing card directory or create new one again after provider creation
-	wordDir = a.findCardDirectory(word)
+	wordDir := a.findCardDirectory(word)
 	if wordDir == "" {
 		// No existing directory, create new one with card ID
 		cardID := internal.GenerateCardID(word)