refactor config validation to use provider registry
- use provider.GetProvider() for provider validation - use provider.GetModel() for model validation - use p.RequiresAPIKey() for API key checks - warn for unrecognized language codes (don't error) - add ValidateModelLanguageCompatibility for model-language checks - remove hardcoded isValidLanguageCode function
This commit is contained in:
leonardotrapani
+151
-110
@@ -1,6 +1,45 @@
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package config
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import "fmt"
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import (
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"fmt"
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"log"
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"strings"
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"github.com/leonardotrapani/hyprvoice/internal/language"
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"github.com/leonardotrapani/hyprvoice/internal/provider"
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)
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// mapConfigProviderToRegistryName maps config provider names to provider registry names
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// Config uses names like "groq-transcription", "groq-translation", "mistral-transcription"
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// Registry uses base names like "groq", "mistral"
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func mapConfigProviderToRegistryName(configProvider string) string {
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switch configProvider {
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case "groq-transcription", "groq-translation":
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return "groq"
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case "mistral-transcription":
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return "mistral"
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default:
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return configProvider
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}
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}
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// envVarForProvider returns the environment variable name for a provider's API key
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func envVarForProvider(registryName string) string {
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switch registryName {
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case "openai":
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return "OPENAI_API_KEY"
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case "groq":
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return "GROQ_API_KEY"
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case "mistral":
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return "MISTRAL_API_KEY"
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case "elevenlabs":
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return "ELEVENLABS_API_KEY"
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case "deepgram":
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return "DEEPGRAM_API_KEY"
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default:
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return ""
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}
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}
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func (c *Config) Validate() error {
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if c.Recording.SampleRate <= 0 {
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@@ -26,95 +65,58 @@ func (c *Config) Validate() error {
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return fmt.Errorf("invalid transcription.provider: empty")
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}
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apiKey := c.resolveAPIKeyForProvider(c.Transcription.Provider)
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// map config provider name to registry provider name
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registryName := mapConfigProviderToRegistryName(c.Transcription.Provider)
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switch c.Transcription.Provider {
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case "openai":
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if apiKey == "" {
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return fmt.Errorf("OpenAI API key required: not found in config (providers.openai.api_key, transcription.api_key) or environment variable (OPENAI_API_KEY)")
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}
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if c.Transcription.Language != "" && !isValidLanguageCode(c.Transcription.Language) {
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return fmt.Errorf("invalid transcription.language: %s (use empty string for auto-detect or ISO-639-1 codes like 'en', 'es', 'fr')", c.Transcription.Language)
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}
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case "groq-transcription":
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if apiKey == "" {
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return fmt.Errorf("Groq API key required: not found in config (providers.groq.api_key, transcription.api_key) or environment variable (GROQ_API_KEY)")
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}
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if c.Transcription.Language != "" && !isValidLanguageCode(c.Transcription.Language) {
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return fmt.Errorf("invalid transcription.language: %s (use empty string for auto-detect or ISO-639-1 codes like 'en', 'es', 'fr')", c.Transcription.Language)
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}
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validGroqModels := map[string]bool{"whisper-large-v3": true, "whisper-large-v3-turbo": true}
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if c.Transcription.Model != "" && !validGroqModels[c.Transcription.Model] {
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return fmt.Errorf("invalid model for groq-transcription: %s (must be whisper-large-v3 or whisper-large-v3-turbo)", c.Transcription.Model)
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}
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case "groq-translation":
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if apiKey == "" {
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return fmt.Errorf("Groq API key required: not found in config (providers.groq.api_key, transcription.api_key) or environment variable (GROQ_API_KEY)")
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}
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if c.Transcription.Language != "" && !isValidLanguageCode(c.Transcription.Language) {
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return fmt.Errorf("invalid transcription.language: %s (use empty string for auto-detect or ISO-639-1 codes like 'en', 'es', 'fr')", c.Transcription.Language)
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}
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if c.Transcription.Model != "" && c.Transcription.Model != "whisper-large-v3" {
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return fmt.Errorf("invalid model for groq-translation: %s (must be whisper-large-v3, turbo version not supported for translation)", c.Transcription.Model)
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}
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case "mistral-transcription":
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if apiKey == "" {
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return fmt.Errorf("Mistral API key required: not found in config (providers.mistral.api_key, transcription.api_key) or environment variable (MISTRAL_API_KEY)")
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}
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if c.Transcription.Language != "" && !isValidLanguageCode(c.Transcription.Language) {
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return fmt.Errorf("invalid transcription.language: %s (use empty string for auto-detect or ISO-639-1 codes like 'en', 'es', 'fr')", c.Transcription.Language)
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}
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validMistralModels := map[string]bool{"voxtral-mini-latest": true, "voxtral-mini-2507": true}
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if c.Transcription.Model != "" && !validMistralModels[c.Transcription.Model] {
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return fmt.Errorf("invalid model for mistral-transcription: %s (must be voxtral-mini-latest or voxtral-mini-2507)", c.Transcription.Model)
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}
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case "elevenlabs":
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if apiKey == "" {
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return fmt.Errorf("ElevenLabs API key required: not found in config (providers.elevenlabs.api_key, transcription.api_key) or environment variable (ELEVENLABS_API_KEY)")
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}
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if c.Transcription.Language != "" && !isValidLanguageCode(c.Transcription.Language) {
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return fmt.Errorf("invalid transcription.language: %s (use empty string for auto-detect or ISO-639-1 codes like 'en', 'pt', 'es')", c.Transcription.Language)
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}
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validModels := map[string]bool{"scribe_v1": true, "scribe_v2": true}
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if c.Transcription.Model != "" && !validModels[c.Transcription.Model] {
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return fmt.Errorf("invalid model for elevenlabs: %s (must be scribe_v1 or scribe_v2)", c.Transcription.Model)
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}
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case "whisper-cpp":
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// whisper-cpp is local, no API key required
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if c.Transcription.Language != "" && !isValidLanguageCode(c.Transcription.Language) {
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return fmt.Errorf("invalid transcription.language: %s (use empty string for auto-detect or ISO-639-1 codes like 'en', 'es', 'fr')", c.Transcription.Language)
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}
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validWhisperModels := map[string]bool{
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"tiny.en": true, "base.en": true, "small.en": true, "medium.en": true,
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"tiny": true, "base": true, "small": true, "medium": true, "large-v3": true,
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}
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if c.Transcription.Model != "" && !validWhisperModels[c.Transcription.Model] {
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return fmt.Errorf("invalid model for whisper-cpp: %s (must be tiny.en, base.en, small.en, medium.en, tiny, base, small, medium, or large-v3)", c.Transcription.Model)
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}
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default:
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return fmt.Errorf("unsupported transcription.provider: %s (must be openai, groq-transcription, groq-translation, mistral-transcription, elevenlabs, or whisper-cpp)", c.Transcription.Provider)
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// validate provider exists in registry
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p := provider.GetProvider(registryName)
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if p == nil {
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providers := provider.ListProvidersWithTranscription()
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return fmt.Errorf("unknown transcription.provider: %s (available: %s)", c.Transcription.Provider, strings.Join(providers, ", "))
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}
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// validate API key requirement using registry
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if p.RequiresAPIKey() {
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apiKey := c.resolveAPIKeyForProvider(c.Transcription.Provider)
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if apiKey == "" {
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envVar := envVarForProvider(registryName)
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return fmt.Errorf("%s API key required: not found in config (providers.%s.api_key, transcription.api_key) or environment variable (%s)",
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strings.Title(registryName), registryName, envVar)
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}
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}
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// validate language code - warn if not recognized but don't error
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if c.Transcription.Language != "" && !language.IsValidCode(c.Transcription.Language) {
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log.Printf("warning: unrecognized language code '%s', will be passed as-is to provider", c.Transcription.Language)
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}
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// validate model exists
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if c.Transcription.Model == "" {
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return fmt.Errorf("invalid transcription.model: empty")
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}
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// groq-translation is a special case - only supports whisper-large-v3
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if c.Transcription.Provider == "groq-translation" && c.Transcription.Model != "whisper-large-v3" {
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return fmt.Errorf("invalid model for groq-translation: %s (must be whisper-large-v3, turbo version not supported for translation)", c.Transcription.Model)
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}
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// validate model exists in provider
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_, err := provider.GetModel(registryName, c.Transcription.Model)
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if err != nil {
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models := provider.ModelsOfType(p, provider.Transcription)
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modelIDs := make([]string, len(models))
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for i, m := range models {
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modelIDs[i] = m.ID
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}
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return fmt.Errorf("invalid model for %s: %s (available: %s)", c.Transcription.Provider, c.Transcription.Model, strings.Join(modelIDs, ", "))
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}
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// validate language-model compatibility
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if err := ValidateModelLanguageCompatibility(registryName, c.Transcription.Model, c.Transcription.Language); err != nil {
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return err
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}
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// LLM validation
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if c.LLM.Enabled {
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if c.LLM.Provider == "" {
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return fmt.Errorf("llm.provider required when llm.enabled = true")
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@@ -123,18 +125,36 @@ func (c *Config) Validate() error {
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return fmt.Errorf("llm.model required when llm.enabled = true")
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}
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validLLMProviders := map[string]bool{"openai": true, "groq": true}
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if !validLLMProviders[c.LLM.Provider] {
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return fmt.Errorf("invalid llm.provider: %s (must be openai or groq)", c.LLM.Provider)
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// validate LLM provider exists
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llmProvider := provider.GetProvider(c.LLM.Provider)
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if llmProvider == nil {
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providers := provider.ListProvidersWithLLM()
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return fmt.Errorf("invalid llm.provider: %s (available: %s)", c.LLM.Provider, strings.Join(providers, ", "))
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}
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llmAPIKey := c.resolveAPIKeyForLLMProvider(c.LLM.Provider)
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if llmAPIKey == "" {
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switch c.LLM.Provider {
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case "openai":
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return fmt.Errorf("OpenAI API key required for LLM: not found in config (providers.openai.api_key) or environment variable (OPENAI_API_KEY)")
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case "groq":
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return fmt.Errorf("Groq API key required for LLM: not found in config (providers.groq.api_key) or environment variable (GROQ_API_KEY)")
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// validate LLM model exists
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llmModel, err := provider.GetModel(c.LLM.Provider, c.LLM.Model)
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if err != nil {
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models := provider.ModelsOfType(llmProvider, provider.LLM)
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modelIDs := make([]string, len(models))
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for i, m := range models {
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modelIDs[i] = m.ID
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}
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return fmt.Errorf("invalid llm.model: %s (available for %s: %s)", c.LLM.Model, c.LLM.Provider, strings.Join(modelIDs, ", "))
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}
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// verify model is actually an LLM
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if llmModel.Type != provider.LLM {
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return fmt.Errorf("invalid llm.model: %s is not an LLM model", c.LLM.Model)
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}
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// validate LLM API key
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if llmProvider.RequiresAPIKey() {
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llmAPIKey := c.resolveAPIKeyForLLMProvider(c.LLM.Provider)
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if llmAPIKey == "" {
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envVar := envVarForProvider(c.LLM.Provider)
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return fmt.Errorf("%s API key required for LLM: not found in config (providers.%s.api_key) or environment variable (%s)",
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strings.Title(c.LLM.Provider), c.LLM.Provider, envVar)
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}
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}
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}
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@@ -166,22 +186,43 @@ func (c *Config) Validate() error {
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return nil
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}
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func isValidLanguageCode(code string) bool {
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validCodes := map[string]bool{
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"en": true, "es": true, "fr": true, "de": true, "it": true, "pt": true,
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"ru": true, "ja": true, "ko": true, "zh": true, "ar": true, "hi": true,
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"nl": true, "sv": true, "da": true, "no": true, "fi": true, "pl": true,
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"tr": true, "he": true, "th": true, "vi": true, "id": true, "ms": true,
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"uk": true, "cs": true, "hu": true, "ro": true, "bg": true, "hr": true,
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"sk": true, "sl": true, "et": true, "lv": true, "lt": true, "mt": true,
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"cy": true, "ga": true, "eu": true, "ca": true, "gl": true, "is": true,
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"mk": true, "sq": true, "az": true, "be": true, "ka": true, "hy": true,
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"kk": true, "ky": true, "tg": true, "uz": true, "mn": true, "ne": true,
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"si": true, "km": true, "lo": true, "my": true, "fa": true, "ps": true,
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"ur": true, "bn": true, "ta": true, "te": true, "ml": true, "kn": true,
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"gu": true, "pa": true, "or": true, "as": true, "mr": true, "sa": true,
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"sw": true, "yo": true, "ig": true, "ha": true, "zu": true, "xh": true,
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"af": true, "am": true, "mg": true, "so": true, "sn": true, "rw": true,
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// ValidateModelLanguageCompatibility validates that a model supports the given language.
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// Returns error if the language is not supported, nil if supported or if langCode is empty (auto).
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func ValidateModelLanguageCompatibility(registryProvider, modelID, langCode string) error {
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// empty language code means auto-detect, always supported
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if langCode == "" {
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return nil
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}
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return validCodes[code]
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model, err := provider.GetModel(registryProvider, modelID)
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if err != nil {
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return err // model not found errors handled elsewhere
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}
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if model.SupportsLanguage(langCode) {
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return nil
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}
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// language not supported - build helpful error message
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langName := language.FromCode(langCode).Name
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if langName == "Auto-detect" {
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langName = langCode // use code if not found
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}
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// truncate supported languages for error message
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supported := model.SupportedLanguages
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suffix := ""
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if len(supported) > 10 {
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supported = supported[:10]
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suffix = "..."
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}
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return fmt.Errorf(
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"model %s does not support language '%s' (%s). Either change model, select auto-detect, or choose a supported language: %s%s",
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modelID,
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langCode,
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langName,
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strings.Join(supported, ", "),
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suffix,
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)
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}
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