auth-framework 0.4.2

//! Placeholder modules for additional server capabilities
//!
//! Note: WebAuthn/FIDO2 support is provided via the `PasskeyAuthMethod`
//! in `src/methods/passkey/mod.rs` using the production-grade `passkey` crate.
//! No separate WebAuthn server module is needed.

/// JWT token server for issuing and validating JWT tokens
pub mod jwt_server {
    use crate::errors::Result;
    use crate::storage::AuthStorage;
    use serde::{Deserialize, Serialize};
    use std::sync::Arc;

    #[derive(Debug, Clone)]
    pub struct JwtServerConfig {
        pub issuer: String,
        pub key_id: String,
    }

    impl Default for JwtServerConfig {
        fn default() -> Self {
            Self {
                issuer: "https://auth.example.com".to_string(),
                key_id: "default".to_string(),
            }
        }
    }

    pub struct JwtServer {
        config: JwtServerConfig,
        storage: Arc<dyn AuthStorage>,
    }

    impl JwtServer {
        pub async fn new(config: JwtServerConfig, storage: Arc<dyn AuthStorage>) -> Result<Self> {
            Ok(Self { config, storage })
        }

        pub async fn initialize(&self) -> Result<()> {
            Ok(())
        }

        pub async fn get_well_known_jwt_configuration(&self) -> Result<JwtWellKnownConfiguration> {
            Ok(JwtWellKnownConfiguration {
                issuer: self.config.issuer.clone(),
                jwks_uri: format!("{}/jwks", self.config.issuer),
            })
        }

        /// Store JWT metadata in storage
        pub async fn store_jwt_metadata(&self, metadata: &JwtWellKnownConfiguration) -> Result<()> {
            let key = format!("jwt_metadata:{}", self.config.issuer);
            let value = serde_json::to_string(metadata).map_err(|e| {
                crate::errors::AuthError::internal(format!("Serialization error: {}", e))
            })?;

            self.storage.store_kv(&key, value.as_bytes(), None).await?;
            log::info!("Stored JWT metadata for issuer: {}", self.config.issuer);
            Ok(())
        }

        /// Retrieve JWT metadata from storage
        pub async fn get_stored_metadata(&self) -> Result<Option<JwtWellKnownConfiguration>> {
            let key = format!("jwt_metadata:{}", self.config.issuer);

            if let Some(value_bytes) = self.storage.get_kv(&key).await? {
                let value = String::from_utf8(value_bytes).map_err(|e| {
                    crate::errors::AuthError::internal(format!("UTF-8 conversion error: {}", e))
                })?;
                let metadata: JwtWellKnownConfiguration =
                    serde_json::from_str(&value).map_err(|e| {
                        crate::errors::AuthError::internal(format!("Deserialization error: {}", e))
                    })?;
                Ok(Some(metadata))
            } else {
                Ok(None)
            }
        }

        /// Store JWT signing key information
        pub async fn store_signing_key(&self, key_data: &str) -> Result<()> {
            let key = format!("jwt_key:{}", self.config.key_id);
            self.storage
                .store_kv(&key, key_data.as_bytes(), None)
                .await?;
            log::info!("Stored JWT signing key: {}", self.config.key_id);
            Ok(())
        }
    }

    #[derive(Debug, Clone, Serialize, Deserialize)]
    pub struct JwtWellKnownConfiguration {
        pub issuer: String,
        pub jwks_uri: String,
    }
}

/// API Gateway authentication and authorization
pub mod api_gateway {
    use crate::errors::Result;
    use crate::storage::AuthStorage;
    use std::sync::Arc;

    #[derive(Debug, Clone)]
    pub struct ApiGatewayConfig {
        pub name: String,
    }

    impl Default for ApiGatewayConfig {
        fn default() -> Self {
            Self {
                name: "API Gateway".to_string(),
            }
        }
    }

    pub struct ApiGateway {
        config: ApiGatewayConfig,
        storage: Arc<dyn AuthStorage>,
    }

    impl ApiGateway {
        pub async fn new(config: ApiGatewayConfig, storage: Arc<dyn AuthStorage>) -> Result<Self> {
            Ok(Self { config, storage })
        }

        pub async fn initialize(&self) -> Result<()> {
            Ok(())
        }

        /// Store API gateway configuration metadata
        pub async fn store_gateway_metadata(&self) -> Result<()> {
            let key = format!("api_gateway_config:{}", self.config.name);
            let metadata = serde_json::json!({
                "name": self.config.name,
                "initialized_at": chrono::Utc::now().to_rfc3339()
            });
            let value = serde_json::to_string(&metadata).map_err(|e| {
                crate::errors::AuthError::internal(format!("Serialization error: {}", e))
            })?;

            self.storage.store_kv(&key, value.as_bytes(), None).await?;
            log::info!("Stored API Gateway metadata for: {}", self.config.name);
            Ok(())
        }

        /// Store API route configuration
        pub async fn store_route_config(&self, route_path: &str, config_data: &str) -> Result<()> {
            let key = format!("api_gateway_route:{}:{}", self.config.name, route_path);
            self.storage
                .store_kv(&key, config_data.as_bytes(), None)
                .await?;
            log::info!(
                "Stored route config for {} on gateway: {}",
                route_path,
                self.config.name
            );
            Ok(())
        }

        /// Get API route configuration
        pub async fn get_route_config(&self, route_path: &str) -> Result<Option<String>> {
            let key = format!("api_gateway_route:{}:{}", self.config.name, route_path);

            if let Some(config_bytes) = self.storage.get_kv(&key).await? {
                let config = String::from_utf8(config_bytes).map_err(|e| {
                    crate::errors::AuthError::internal(format!("UTF-8 conversion error: {}", e))
                })?;
                Ok(Some(config))
            } else {
                Ok(None)
            }
        }

        /// Get gateway name from config
        pub fn get_gateway_name(&self) -> &str {
            &self.config.name
        }
    }
}

/// SAML Identity Provider
pub mod saml_idp {
    use crate::errors::Result;
    use crate::storage::AuthStorage;
    use serde::{Deserialize, Serialize};
    use std::sync::Arc;

    #[derive(Debug, Clone)]
    pub struct SamlIdpConfig {
        pub entity_id: String,
    }

    impl Default for SamlIdpConfig {
        fn default() -> Self {
            Self {
                entity_id: "https://auth.example.com".to_string(),
            }
        }
    }

    pub struct SamlIdentityProvider {
        config: SamlIdpConfig,
        storage: Arc<dyn AuthStorage>,
    }

    impl SamlIdentityProvider {
        pub async fn new(config: SamlIdpConfig, storage: Arc<dyn AuthStorage>) -> Result<Self> {
            Ok(Self { config, storage })
        }

        pub async fn initialize(&self) -> Result<()> {
            Ok(())
        }

        pub async fn get_metadata(&self) -> Result<SamlMetadata> {
            Ok(SamlMetadata {
                entity_id: self.config.entity_id.clone(),
            })
        }

        /// Store SAML metadata in storage
        pub async fn store_saml_metadata(&self, metadata: &SamlMetadata) -> Result<()> {
            let key = format!("saml_metadata:{}", self.config.entity_id);
            let value = serde_json::to_string(metadata).map_err(|e| {
                crate::errors::AuthError::internal(format!("Serialization error: {}", e))
            })?;

            self.storage.store_kv(&key, value.as_bytes(), None).await?;
            log::info!("Stored SAML metadata for entity: {}", self.config.entity_id);
            Ok(())
        }

        /// Store SAML assertion
        pub async fn store_assertion(
            &self,
            assertion_id: &str,
            assertion_data: &str,
        ) -> Result<()> {
            let key = format!("saml_assertion:{}:{}", self.config.entity_id, assertion_id);
            self.storage
                .store_kv(
                    &key,
                    assertion_data.as_bytes(),
                    Some(std::time::Duration::from_secs(3600)),
                )
                .await?;
            log::info!(
                "Stored SAML assertion {} for entity: {}",
                assertion_id,
                self.config.entity_id
            );
            Ok(())
        }

        /// Retrieve SAML assertion
        pub async fn get_assertion(&self, assertion_id: &str) -> Result<Option<String>> {
            let key = format!("saml_assertion:{}:{}", self.config.entity_id, assertion_id);

            if let Some(assertion_bytes) = self.storage.get_kv(&key).await? {
                let assertion = String::from_utf8(assertion_bytes).map_err(|e| {
                    crate::errors::AuthError::internal(format!("UTF-8 conversion error: {}", e))
                })?;
                Ok(Some(assertion))
            } else {
                Ok(None)
            }
        }
    }

    #[derive(Debug, Clone, Serialize, Deserialize)]
    pub struct SamlMetadata {
        pub entity_id: String,
    }
}

// Additional placeholder modules
pub mod consent {
    //! User consent management
}

pub mod introspection {
    //! Token introspection endpoint (RFC 7662)
}

pub mod device_flow_server {
    //! Device flow server-side implementation
}