refactor: Improve AI service and error handling

internal/domain/ports/ai_service.go

@@ -5,7 +5,9 @@ import (
 	"github.com/Tomas-vilte/MateCommit/internal/domain/models"
 )
 
-type AIProvider interface {
+// CommitSummarizer es una interfaz que define el servicio para generar sugerencias de commits.
+type CommitSummarizer interface {
+	//GenerateSuggestions genera una lista de sugerencias de mensajes de commit.
 	GenerateSuggestions(ctx context.Context, info models.CommitInfo, count int) ([]models.CommitSuggestion, error)
 }
 

internal/i18n/locales/active.en.toml

@@ -170,6 +170,7 @@ pr_changes_section = "Key Changes"
 error_gemini_client = "Error creating Gemini client: {{.Error}}"
 response_empty = "Empty AI response"
 title_not_found = "The title was not found in the answer"
+error_empty_prompt = "The prompt cannot be empty"
 
 [suggestion_header]
 other = "=========[ Suggestion {{.Number}} ]========="

internal/i18n/locales/active.es.toml

@@ -38,7 +38,7 @@ other = "❌ Error al iniciar Gemini: {{.Error}}"
 other = "🔍 Analizando cambios..."
 
 [error_missing_api_key]
-other = "La variable de entorno, GEMINI_API_KEY no esta configurada"
+other = "La GEMINI_API_KEY no está configurada"
 
 [error_generating_content]
 other = "Error generando el contenido: {{.Error}}"
@@ -178,6 +178,7 @@ pr_changes_section = "Cambios Clave"
 error_gemini_client = "Error al crear el cliente de Gemini: {{.Error}}"
 response_empty = "Respuesta de la IA vacia"
 title_not_found = "No se encontro el titulo en la respuesta"
+error_empty_prompt = "El prompt no puede estar vacio"
 
 [suggestion_header]
 other = "=========[ Sugerencias {{.Number}} ]========="

internal/infrastructure/ai/gemini/gemini_pr_summarizer_service.go

@@ -47,7 +47,7 @@
 
 func (gps *GeminiPRSummarizer) GeneratePRSummary(ctx context.Context, prompt string) (models.PRSummary, error) {
 	if prompt == "" {
-		msg := gps.trans.GetMessage("error_empty_prompt", 0, nil)
+		msg := gps.trans.GetMessage("gemini_service.error_empty_prompt", 0, nil)
 		return models.PRSummary{}, fmt.Errorf("%s", msg)
 	}
 

internal/services/commit_service.go

@@ -12,13 +12,13 @@ import (
 
 type CommitService struct {
 	git           ports.GitService
-	ai            ports.AIProvider
+	ai            ports.CommitSummarizer
 	ticketManager ports.TickerManager
 	config        *config.Config
 	trans         *i18n.Translations
 }
 
-func NewCommitService(git ports.GitService, ai ports.AIProvider, ticketManager ports.TickerManager, cfg *config.Config, trans *i18n.Translations) *CommitService {
+func NewCommitService(git ports.GitService, ai ports.CommitSummarizer, ticketManager ports.TickerManager, cfg *config.Config, trans *i18n.Translations) *CommitService {
 	return &CommitService{
 		git:           git,
 		ai:            ai,