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use super::{AnthropicProvider, ProviderConfig, OpenAIProvider, AnthropicCompatibleProvider, error::ProviderError};
use super::gemini::GeminiProvider;
use crate::auth::TokenStore;
use std::collections::HashMap;
use std::sync::Arc;
/// Provider registry that manages all configured providers
pub struct ProviderRegistry {
/// Map of provider name -> provider instance
providers: HashMap<String, Arc<Box<dyn AnthropicProvider>>>,
/// Map of model name -> provider name for fast lookup
model_to_provider: HashMap<String, String>,
}
impl ProviderRegistry {
/// Create a new empty registry
pub fn new() -> Self {
Self {
providers: HashMap::new(),
model_to_provider: HashMap::new(),
}
}
/// Load providers from configuration
pub fn from_configs(configs: &[ProviderConfig], token_store: Option<TokenStore>) -> Result<Self, ProviderError> {
let mut registry = Self::new();
for config in configs {
// Skip disabled providers
if !config.is_enabled() {
continue;
}
// Get API key - required for API key auth, skipped for OAuth
let api_key = match &config.auth_type {
super::AuthType::ApiKey => {
config.api_key.clone().ok_or_else(|| {
ProviderError::ConfigError(
format!("Provider '{}' requires api_key for ApiKey auth", config.name)
)
})?
}
super::AuthType::OAuth => {
// OAuth providers will handle authentication differently
// For now, use a placeholder - will be replaced with token
config.oauth_provider.clone().unwrap_or_else(|| config.name.clone())
}
};
// Create provider instance based on type
let provider: Box<dyn AnthropicProvider> = match config.provider_type.as_str() {
// OpenAI
"openai" => Box::new(OpenAIProvider::new(
config.name.clone(),
api_key,
config.base_url.clone().unwrap_or_else(|| "https://api.openai.com/v1".to_string()),
config.models.clone(),
config.oauth_provider.clone(),
token_store.clone(),
)),
// Anthropic-compatible providers
"anthropic" => Box::new(AnthropicCompatibleProvider::new(
config.name.clone(),
api_key,
config.base_url.clone().unwrap_or_else(|| "https://api.anthropic.com".to_string()),
config.models.clone(),
config.oauth_provider.clone(),
token_store.clone(),
)),
"z.ai" => Box::new(AnthropicCompatibleProvider::zai(
api_key,
config.models.clone(),
token_store.clone(),
)),
"minimax" => Box::new(AnthropicCompatibleProvider::minimax(
api_key,
config.models.clone(),
token_store.clone(),
)),
"zenmux" => Box::new(AnthropicCompatibleProvider::zenmux(
api_key,
config.models.clone(),
token_store.clone(),
)),
"kimi-coding" => Box::new(AnthropicCompatibleProvider::kimi_coding(
api_key,
config.models.clone(),
token_store.clone(),
)),
// OpenAI-compatible providers
"openrouter" => Box::new(OpenAIProvider::openrouter(
config.name.clone(),
api_key,
config.models.clone(),
)),
"deepinfra" => Box::new(OpenAIProvider::deepinfra(
config.name.clone(),
api_key,
config.models.clone(),
)),
"novita" => Box::new(OpenAIProvider::novita(
config.name.clone(),
api_key,
config.models.clone(),
)),
"baseten" => Box::new(OpenAIProvider::baseten(
config.name.clone(),
api_key,
config.models.clone(),
)),
"together" => Box::new(OpenAIProvider::together(
config.name.clone(),
api_key,
config.models.clone(),
)),
"fireworks" => Box::new(OpenAIProvider::fireworks(
config.name.clone(),
api_key,
config.models.clone(),
)),
"groq" => Box::new(OpenAIProvider::groq(
config.name.clone(),
api_key,
config.models.clone(),
)),
"nebius" => Box::new(OpenAIProvider::nebius(
config.name.clone(),
api_key,
config.models.clone(),
)),
"cerebras" => Box::new(OpenAIProvider::cerebras(
config.name.clone(),
api_key,
config.models.clone(),
)),
"moonshot" => Box::new(OpenAIProvider::moonshot(
config.name.clone(),
api_key,
config.models.clone(),
)),
// Google Gemini (supports OAuth, API Key, Vertex AI)
"gemini" => {
let api_key_opt = if config.auth_type == super::AuthType::ApiKey {
Some(api_key.clone())
} else {
None
};
Box::new(GeminiProvider::new(
config.name.clone(),
api_key_opt,
config.base_url.clone(),
config.models.clone(),
HashMap::new(), // custom headers
config.oauth_provider.clone(),
token_store.clone(),
None, // No project_id/location for Gemini (AI Studio/OAuth only)
None,
))
}
"vertex-ai" => {
// Vertex AI provider (separate from Gemini)
// Uses Google Cloud Vertex AI with ADC authentication
Box::new(GeminiProvider::new(
config.name.clone(),
None, // No API key for Vertex AI (uses ADC)
config.base_url.clone(),
config.models.clone(),
HashMap::new(), // custom headers
None, // No OAuth for Vertex AI
token_store.clone(),
config.project_id.clone(), // GCP project ID
config.location.clone(), // GCP location
))
}
other => {
return Err(ProviderError::ConfigError(
format!("Unknown provider type: {}", other)
));
}
};
// NOTE: models field in provider config is deprecated
// Model mappings are now defined in [[models]] section
// We only register the provider by name
// Add provider to registry
registry.providers.insert(config.name.clone(), Arc::new(provider));
}
Ok(registry)
}
/// Get a provider by name
pub fn get_provider(&self, name: &str) -> Option<Arc<Box<dyn AnthropicProvider>>> {
self.providers.get(name).cloned()
}
/// Get a provider for a specific model
pub fn get_provider_for_model(&self, model: &str) -> Result<Arc<Box<dyn AnthropicProvider>>, ProviderError> {
// First, check if we have a direct model → provider mapping
if let Some(provider_name) = self.model_to_provider.get(model) {
if let Some(provider) = self.providers.get(provider_name) {
return Ok(provider.clone());
}
}
// If no direct mapping, search through all providers
for provider in self.providers.values() {
if provider.supports_model(model) {
return Ok(provider.clone());
}
}
Err(ProviderError::ModelNotSupported(model.to_string()))
}
/// List all available models
pub fn list_models(&self) -> Vec<String> {
self.model_to_provider.keys().cloned().collect()
}
/// List all providers
pub fn list_providers(&self) -> Vec<String> {
self.providers.keys().cloned().collect()
}
}
impl Default for ProviderRegistry {
fn default() -> Self {
Self::new()
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_empty_registry() {
let registry = ProviderRegistry::new();
assert!(registry.list_models().is_empty());
assert!(registry.list_providers().is_empty());
}
#[test]
fn test_get_provider_for_model_not_found() {
let registry = ProviderRegistry::new();
let result = registry.get_provider_for_model("gpt-4");
assert!(result.is_err());
}
}