alien_bindings/

provider.rs

//! Unified BindingsProvider implementation that supports multiple cloud providers

use crate::{
    error::{ErrorData, Result},
    traits::{ArtifactRegistry, BindingsProviderApi, Build, Kv, Queue, Storage, Vault, Worker},
};

use alien_client_config::ClientConfigExt;
use alien_core::{ClientConfig, Platform, StackState, ENV_ALIEN_BASE_PLATFORM};
use alien_error::{AlienError, Context, IntoAlienError};
use async_trait::async_trait;
use std::{any::Any, collections::HashMap, sync::Arc};
use tokio::sync::RwLock;

/// Direct platform-specific bindings provider.
/// Routes to appropriate platform implementations based on binding configuration.
///
/// Caches all loaded bindings by name. Each `load_*` call creates cloud clients
/// (HTTP connection pools, token caches) which are expensive to initialize. Since
/// the binding configuration is immutable for the provider's lifetime, the same
/// binding name always produces the same client — so we cache on first load.
#[derive(Debug, Clone)]
pub struct BindingsProvider {
    client_config: ClientConfig,
    bindings: HashMap<String, serde_json::Value>,
    /// Per-binding-name cache of loaded binding instances. Keyed by
    /// `"{trait_name}:{binding_name}"` to avoid collisions across types.
    /// Each value is a `Box<Arc<dyn Trait>>` erased via `Any`.
    cache: Arc<RwLock<HashMap<String, Box<dyn Any + Send + Sync>>>>,
}

impl BindingsProvider {
    /// Creates a new BindingsProvider with explicit credentials and bindings.
    ///
    /// This is the base constructor used by all other convenience constructors.
    pub fn new(
        client_config: ClientConfig,
        bindings: HashMap<String, serde_json::Value>,
    ) -> Result<Self> {
        Ok(Self {
            client_config,
            bindings,
            cache: Arc::new(RwLock::new(HashMap::new())),
        })
    }

    /// Get a cached binding by type and name, or return None.
    async fn get_cached<T: Clone + Send + Sync + 'static>(
        &self,
        trait_name: &str,
        binding_name: &str,
    ) -> Option<T> {
        let cache_key = format!("{}:{}", trait_name, binding_name);
        let cache = self.cache.read().await;
        cache
            .get(&cache_key)
            .and_then(|boxed| boxed.downcast_ref::<T>())
            .cloned()
    }

    /// Store a binding in the cache.
    async fn put_cache<T: Clone + Send + Sync + 'static>(
        &self,
        trait_name: &str,
        binding_name: &str,
        value: T,
    ) {
        let cache_key = format!("{}:{}", trait_name, binding_name);
        let mut cache = self.cache.write().await;
        cache.insert(cache_key, Box::new(value));
    }

    /// Creates a BindingsProvider from environment variables (for runtime use).
    ///
    /// This parses the platform from ALIEN_DEPLOYMENT_TYPE, loads ClientConfig from environment,
    /// and extracts all ALIEN_*_BINDING environment variables.
    pub async fn from_env(env: HashMap<String, String>) -> Result<Self> {
        // 1. Parse platform from ALIEN_DEPLOYMENT_TYPE
        let platform = crate::get_platform_from_env(&env)?;

        // 2. Load ClientConfig from environment
        let client_config = Self::client_config_from_env(platform, &env).await?;

        // 3. Parse all ALIEN_*_BINDING environment variables
        let bindings = Self::parse_bindings_from_env(&env)?;

        Self::new(client_config, bindings)
    }

    async fn client_config_from_env(
        platform: Platform,
        env: &HashMap<String, String>,
    ) -> Result<ClientConfig> {
        if platform != Platform::Kubernetes {
            return Self::load_client_config_from_env(platform, env).await;
        }

        let Some(base_platform) = Self::base_platform_from_env(env)? else {
            return Self::load_client_config_from_env(platform, env).await;
        };

        let kubernetes = match Self::load_client_config_from_env(Platform::Kubernetes, env).await? {
            ClientConfig::Kubernetes(kubernetes) => kubernetes,
            _ => unreachable!("kubernetes platform must produce a Kubernetes client config"),
        };
        let cloud = Self::load_client_config_from_env(base_platform, env).await?;

        Ok(ClientConfig::KubernetesCloud {
            kubernetes,
            cloud: Box::new(cloud),
        })
    }

    fn base_platform_from_env(env: &HashMap<String, String>) -> Result<Option<Platform>> {
        let Some(base_platform) = env.get(ENV_ALIEN_BASE_PLATFORM) else {
            return Ok(None);
        };

        let parsed: Platform = base_platform.parse().map_err(|reason| {
            AlienError::new(ErrorData::InvalidEnvironmentVariable {
                variable_name: ENV_ALIEN_BASE_PLATFORM.to_string(),
                value: base_platform.clone(),
                reason,
            })
        })?;

        if !matches!(parsed, Platform::Aws | Platform::Gcp | Platform::Azure) {
            return Err(AlienError::new(ErrorData::InvalidEnvironmentVariable {
                variable_name: ENV_ALIEN_BASE_PLATFORM.to_string(),
                value: base_platform.clone(),
                reason: "Kubernetes base platform must be aws, gcp, or azure".to_string(),
            }));
        }

        Ok(Some(parsed))
    }

    async fn load_client_config_from_env(
        platform: Platform,
        env: &HashMap<String, String>,
    ) -> Result<ClientConfig> {
        ClientConfig::from_env(platform, env).await.map_err(|e| {
            AlienError::new(ErrorData::ClientConfigInvalid {
                platform,
                message: format!("Failed to load client config: {}", e),
            })
        })
    }

    /// Parses all ALIEN_*_BINDING environment variables into a map.
    fn parse_bindings_from_env(
        env: &HashMap<String, String>,
    ) -> Result<HashMap<String, serde_json::Value>> {
        let mut bindings = HashMap::new();
        for (key, value) in env {
            if key.starts_with("ALIEN_") && key.ends_with("_BINDING") {
                let binding_name = key
                    .strip_prefix("ALIEN_")
                    .unwrap()
                    .strip_suffix("_BINDING")
                    .unwrap()
                    .to_lowercase()
                    .replace('_', "-");
                let parsed: serde_json::Value = serde_json::from_str(value)
                    .into_alien_error()
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.clone(),
                        reason: "Failed to parse binding JSON".to_string(),
                    })?;
                bindings.insert(binding_name, parsed);
            }
        }
        Ok(bindings)
    }

    /// Pattern 1: Creates a BindingsProvider from stack state and client config.
    ///
    /// Convenience helper that extracts bindings from stack state's remote_binding_params.
    /// Only resources with `remote_access: true` will have binding params available.
    ///
    /// **When to use:** You already have `ClientConfig` and `StackState`.
    ///
    /// **Example use cases:**
    /// - alien-deployment (has credentials from RemoteAccessResolver)
    /// - Platform API backend (has stack state from DB)
    pub fn from_stack_state(stack_state: &StackState, client_config: ClientConfig) -> Result<Self> {
        let bindings = stack_state
            .resources
            .iter()
            .filter_map(|(id, state)| {
                state
                    .remote_binding_params
                    .as_ref()
                    .map(|p| (id.clone(), p.clone()))
            })
            .collect();

        Self::new(client_config, bindings)
    }

    /// Pattern 2: Creates a BindingsProvider for remote deployment access.
    ///
    /// Fetches credentials remotely using deployment ID and auth token, then creates the provider.
    ///
    /// **When to use:** You have a deployment ID and auth token, but no credentials yet.
    ///
    /// **Example use cases:**
    /// - CLI commands (e.g., `alien secrets set`)
    /// - External applications connecting to deployment
    /// - Local development tools
    ///
    /// **What it does internally:**
    /// 1. GET /api/deployments/{id} - Returns deployment info (stackState, platform, managerId)
    /// 2. GET /api/managers/{managerId} - Returns manager URL
    /// 3. POST {managerUrl}/v1/deployment/resolve-credentials - Resolves credentials
    /// 4. Creates BindingsProvider using from_stack_state()
    #[cfg(feature = "platform-sdk")]
    pub async fn for_remote_deployment(
        deployment_id: &str,
        token: &str,
        api_base_url: Option<&str>,
    ) -> Result<Self> {
        let base_url = api_base_url.unwrap_or("https://api.alien.dev");

        // Build an authenticated SDK client so deployment/manager lookups are
        // scoped to the caller's permissions.
        let auth_value = format!("Bearer {}", token);
        let mut headers = reqwest::header::HeaderMap::new();
        headers.insert(
            reqwest::header::AUTHORIZATION,
            reqwest::header::HeaderValue::from_str(&auth_value)
                .into_alien_error()
                .context(ErrorData::RemoteAccessFailed {
                    operation: "build Platform API client with token".to_string(),
                })?,
        );

        let authed_http_client = reqwest::Client::builder()
            .default_headers(headers)
            .build()
            .into_alien_error()
            .context(ErrorData::RemoteAccessFailed {
                operation: "build Platform API HTTP client".to_string(),
            })?;

        let sdk_client = alien_platform_api::Client::new_with_client(base_url, authed_http_client);

        // 1. Get deployment info (caller-scoped)
        let deployment_response = sdk_client
            .get_deployment()
            .id(deployment_id)
            .send()
            .await
            .into_alien_error()
            .context(ErrorData::RemoteAccessFailed {
                operation: "fetch deployment from Platform API".to_string(),
            })?
            .into_inner();

        // 2. Get manager URL (caller-scoped)
        let manager_id = deployment_response.manager_id.ok_or_else(|| {
            AlienError::new(ErrorData::RemoteAccessFailed {
                operation: "fetch manager from Platform API".to_string(),
            })
        })?;

        let manager_response = sdk_client
            .get_manager()
            .id(&manager_id.to_string())
            .send()
            .await
            .into_alien_error()
            .context(ErrorData::RemoteAccessFailed {
                operation: "fetch manager from Platform API".to_string(),
            })?
            .into_inner();

        // 3. Convert SDK stack state to alien-core StackState (used locally to extract
        // binding configuration; the manager re-fetches the canonical stack state itself
        // when resolving credentials).
        let stack_state = deployment_response.stack_state.as_ref().ok_or_else(|| {
            AlienError::new(ErrorData::RemoteAccessFailed {
                operation: "Deployment has no stack state (not deployed yet)".to_string(),
            })
        })?;

        let alien_stack_state = conversions::convert_stack_state(stack_state)?;

        // 4. Resolve client config from manager. We send only the deploymentId; the
        // manager fetches stackState/platform from Platform API using our forwarded
        // bearer token so an attacker cannot direct it at an arbitrary cloud identity.
        let manager_url = manager_response.url.ok_or_else(|| {
            AlienError::new(ErrorData::RemoteAccessFailed {
                operation: "fetch manager URL from Platform API".to_string(),
            })
        })?;

        let http_client = reqwest::Client::new();
        let client_config = http_client
            .post(format!("{}/v1/deployment/resolve-credentials", manager_url))
            .bearer_auth(token)
            .json(&serde_json::json!({
                "deploymentId": deployment_id,
            }))
            .send()
            .await
            .into_alien_error()
            .context(ErrorData::RemoteAccessFailed {
                operation: "resolve credentials from manager".to_string(),
            })?
            .json::<ResolveCredentialsResponse>()
            .await
            .into_alien_error()
            .context(ErrorData::RemoteAccessFailed {
                operation: "parse credentials response".to_string(),
            })?
            .client_config;

        // 5. Create provider using from_stack_state (which extracts bindings from stack_state)
        Self::from_stack_state(&alien_stack_state, client_config)
    }
}

#[cfg(feature = "platform-sdk")]
#[derive(serde::Deserialize)]
#[serde(rename_all = "camelCase")]
struct ResolveCredentialsResponse {
    client_config: ClientConfig,
}

#[async_trait]
impl BindingsProviderApi for BindingsProvider {
    async fn load_storage(&self, binding_name: &str) -> Result<Arc<dyn Storage>> {
        if let Some(cached) = self
            .get_cached::<Arc<dyn Storage>>("storage", binding_name)
            .await
        {
            return Ok(cached);
        }

        use alien_core::bindings::StorageBinding;

        // Get binding JSON from our pre-parsed map
        let binding_json = self.bindings.get(binding_name).ok_or_else(|| {
            AlienError::new(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Binding not found".to_string(),
            })
        })?;

        // Parse to strongly-typed binding
        let binding: StorageBinding = serde_json::from_value(binding_json.clone())
            .into_alien_error()
            .context(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Failed to parse storage binding".to_string(),
            })?;

        let result: Arc<dyn Storage> = match binding {
            #[cfg(feature = "aws")]
            StorageBinding::S3(config) => {
                use crate::providers::storage::aws_s3::S3Storage;

                // Get AWS config from our stored ClientConfig
                let aws_config = self.client_config.aws_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Aws,
                        message: "AWS config not available".to_string(),
                    })
                })?;

                let credentials =
                    alien_aws_clients::AwsCredentialProvider::from_config(aws_config.clone())
                        .await
                        .context(ErrorData::BindingSetupFailed {
                            binding_type: "AWS S3 storage".to_string(),
                            reason: "Failed to create credential provider".to_string(),
                        })?;

                // Extract bucket name from binding
                let bucket_name = config
                    .bucket_name
                    .into_value(binding_name, "bucket_name")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract bucket_name from S3 binding".to_string(),
                    })?;

                let storage: Arc<dyn Storage> = Arc::new(S3Storage::new(bucket_name, credentials)?);
                Ok(storage)
            }
            #[cfg(not(feature = "aws"))]
            StorageBinding::S3 { .. } => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "aws".to_string(),
            })),

            #[cfg(feature = "azure")]
            StorageBinding::Blob(config) => {
                use crate::providers::storage::azure_blob::BlobStorage;

                let azure_config = self.client_config.azure_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Azure,
                        message: "Azure config not available".to_string(),
                    })
                })?;

                // Extract container and account names from binding
                let container_name = config
                    .container_name
                    .into_value(binding_name, "container_name")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract container_name from Blob binding".to_string(),
                    })?;

                let account_name = config
                    .account_name
                    .into_value(binding_name, "account_name")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract account_name from Blob binding".to_string(),
                    })?;

                let storage: Arc<dyn Storage> = Arc::new(BlobStorage::new(
                    container_name,
                    account_name,
                    azure_config,
                )?);
                Ok(storage)
            }
            #[cfg(not(feature = "azure"))]
            StorageBinding::Blob { .. } => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "azure".to_string(),
            })),

            #[cfg(feature = "gcp")]
            StorageBinding::Gcs(config) => {
                use crate::providers::storage::gcp_gcs::GcsStorage;

                let gcp_config = self.client_config.gcp_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Gcp,
                        message: "GCP config not available".to_string(),
                    })
                })?;

                // Extract bucket name from binding
                let bucket_name = config
                    .bucket_name
                    .into_value(binding_name, "bucket_name")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract bucket_name from Gcs binding".to_string(),
                    })?;

                let storage: Arc<dyn Storage> = Arc::new(GcsStorage::new(bucket_name, gcp_config)?);
                Ok(storage)
            }
            #[cfg(not(feature = "gcp"))]
            StorageBinding::Gcs { .. } => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "gcp".to_string(),
            })),

            #[cfg(feature = "local")]
            StorageBinding::Local(config) => {
                use crate::providers::storage::local::LocalStorage;

                // Extract storage path from binding
                let storage_path = config
                    .storage_path
                    .into_value(binding_name, "storage_path")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract storage_path from Local binding".to_string(),
                    })?;

                let storage: Arc<dyn Storage> = Arc::new(LocalStorage::new(storage_path)?);
                Ok(storage)
            }
            #[cfg(not(feature = "local"))]
            StorageBinding::Local { .. } => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "local".to_string(),
            })),
        }?;

        self.put_cache("storage", binding_name, result.clone())
            .await;
        Ok(result)
    }

    async fn load_build(&self, binding_name: &str) -> Result<Arc<dyn Build>> {
        use alien_core::bindings::BuildBinding;

        let binding_json = self.bindings.get(binding_name).ok_or_else(|| {
            AlienError::new(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Binding not found".to_string(),
            })
        })?;

        let binding: BuildBinding = serde_json::from_value(binding_json.clone())
            .into_alien_error()
            .context(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Failed to parse build binding".to_string(),
            })?;

        match binding {
            #[cfg(feature = "aws")]
            BuildBinding::Codebuild { .. } => {
                use crate::providers::build::codebuild::CodebuildBuild;

                let aws_config = self.client_config.aws_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Aws,
                        message: "AWS config not available".to_string(),
                    })
                })?;
                let credentials =
                    alien_aws_clients::AwsCredentialProvider::from_config(aws_config.clone())
                        .await
                        .context(ErrorData::ClientConfigInvalid {
                            platform: Platform::Aws,
                            message: "Failed to create AWS credential provider".to_string(),
                        })?;

                let build = Arc::new(
                    CodebuildBuild::new(binding_name.to_string(), binding, &credentials)
                        .await
                        .context(ErrorData::BindingConfigInvalid {
                            binding_name: binding_name.to_string(),
                            reason: "Failed to initialize AWS CodeBuild client".to_string(),
                        })?,
                );
                Ok(build)
            }
            #[cfg(not(feature = "aws"))]
            BuildBinding::Codebuild { .. } => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "aws".to_string(),
            })),

            #[cfg(feature = "azure")]
            BuildBinding::Aca { .. } => {
                use crate::providers::build::aca::AcaBuild;

                let azure_config = self.client_config.azure_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Azure,
                        message: "Azure config not available".to_string(),
                    })
                })?;

                let build = Arc::new(
                    AcaBuild::new(binding_name.to_string(), binding, azure_config)
                        .await
                        .context(ErrorData::BindingConfigInvalid {
                            binding_name: binding_name.to_string(),
                            reason: "Failed to initialize Azure Container Apps build".to_string(),
                        })?,
                );
                Ok(build)
            }
            #[cfg(not(feature = "azure"))]
            BuildBinding::Aca { .. } => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "azure".to_string(),
            })),

            #[cfg(feature = "gcp")]
            BuildBinding::Cloudbuild { .. } => {
                use crate::providers::build::cloudbuild::CloudbuildBuild;

                let gcp_config = self.client_config.gcp_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Gcp,
                        message: "GCP config not available".to_string(),
                    })
                })?;

                let build = Arc::new(
                    CloudbuildBuild::new(binding_name.to_string(), binding, gcp_config)
                        .await
                        .context(ErrorData::BindingConfigInvalid {
                            binding_name: binding_name.to_string(),
                            reason: "Failed to initialize GCP Cloud Build client".to_string(),
                        })?,
                );
                Ok(build)
            }
            #[cfg(not(feature = "gcp"))]
            BuildBinding::Cloudbuild { .. } => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "gcp".to_string(),
            })),

            #[cfg(feature = "local")]
            BuildBinding::Local { .. } => {
                use crate::providers::build::local::LocalBuild;

                let build = Arc::new(LocalBuild::new(binding_name.to_string(), binding)?);
                Ok(build)
            }
            #[cfg(not(feature = "local"))]
            BuildBinding::Local { .. } => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "local".to_string(),
            })),

            #[cfg(feature = "kubernetes")]
            BuildBinding::Kubernetes { .. } => {
                use crate::providers::build::kubernetes::KubernetesBuild;

                let build =
                    Arc::new(KubernetesBuild::new(binding_name.to_string(), binding).await?);
                Ok(build)
            }
            #[cfg(not(feature = "kubernetes"))]
            BuildBinding::Kubernetes { .. } => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "kubernetes".to_string(),
            })),
        }
    }

    async fn load_artifact_registry(
        &self,
        binding_name: &str,
    ) -> Result<Arc<dyn ArtifactRegistry>> {
        if let Some(cached) = self
            .get_cached::<Arc<dyn ArtifactRegistry>>("artifact_registry", binding_name)
            .await
        {
            return Ok(cached);
        }

        use alien_core::bindings::ArtifactRegistryBinding;

        let binding_json = self.bindings.get(binding_name).ok_or_else(|| {
            AlienError::new(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Binding not found".to_string(),
            })
        })?;

        let binding: ArtifactRegistryBinding = serde_json::from_value(binding_json.clone())
            .into_alien_error()
            .context(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Failed to parse artifact registry binding".to_string(),
            })?;

        let registry: Arc<dyn ArtifactRegistry> = match binding {
            #[cfg(feature = "aws")]
            ArtifactRegistryBinding::Ecr { .. } => {
                use crate::providers::artifact_registry::ecr::EcrArtifactRegistry;

                let aws_config = self.client_config.aws_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Aws,
                        message: "AWS config not available".to_string(),
                    })
                })?;
                let credentials =
                    alien_aws_clients::AwsCredentialProvider::from_config(aws_config.clone())
                        .await
                        .context(ErrorData::ClientConfigInvalid {
                            platform: Platform::Aws,
                            message: "Failed to create AWS credential provider".to_string(),
                        })?;

                let registry: Arc<dyn ArtifactRegistry> = Arc::new(
                    EcrArtifactRegistry::new(binding_name.to_string(), binding, &credentials)
                        .await
                        .context(ErrorData::BindingConfigInvalid {
                            binding_name: binding_name.to_string(),
                            reason: "Failed to initialize AWS ECR artifact registry".to_string(),
                        })?,
                );
                Ok(registry)
            }
            #[cfg(not(feature = "aws"))]
            ArtifactRegistryBinding::Ecr { .. } => {
                Err(AlienError::new(ErrorData::FeatureNotEnabled {
                    feature: "aws".to_string(),
                }))
            }

            #[cfg(feature = "azure")]
            ArtifactRegistryBinding::Acr { .. } => {
                use crate::providers::artifact_registry::acr::AcrArtifactRegistry;

                let azure_config = self.client_config.azure_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Azure,
                        message: "Azure config not available".to_string(),
                    })
                })?;

                let registry: Arc<dyn ArtifactRegistry> = Arc::new(
                    AcrArtifactRegistry::new(binding_name.to_string(), binding, azure_config)
                        .await
                        .context(ErrorData::BindingConfigInvalid {
                            binding_name: binding_name.to_string(),
                            reason: "Failed to initialize Azure ACR artifact registry".to_string(),
                        })?,
                );
                Ok(registry)
            }
            #[cfg(not(feature = "azure"))]
            ArtifactRegistryBinding::Acr { .. } => {
                Err(AlienError::new(ErrorData::FeatureNotEnabled {
                    feature: "azure".to_string(),
                }))
            }

            #[cfg(feature = "gcp")]
            ArtifactRegistryBinding::Gar { .. } => {
                use crate::providers::artifact_registry::gar::GarArtifactRegistry;

                let gcp_config = self.client_config.gcp_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Gcp,
                        message: "GCP config not available".to_string(),
                    })
                })?;

                let registry: Arc<dyn ArtifactRegistry> = Arc::new(
                    GarArtifactRegistry::new(binding_name.to_string(), binding, gcp_config)
                        .await
                        .context(ErrorData::BindingConfigInvalid {
                            binding_name: binding_name.to_string(),
                            reason: "Failed to initialize GCP GAR artifact registry".to_string(),
                        })?,
                );
                Ok(registry)
            }
            #[cfg(not(feature = "gcp"))]
            ArtifactRegistryBinding::Gar { .. } => {
                Err(AlienError::new(ErrorData::FeatureNotEnabled {
                    feature: "gcp".to_string(),
                }))
            }

            #[cfg(feature = "local")]
            ArtifactRegistryBinding::Local { .. } => {
                use crate::providers::artifact_registry::local::LocalArtifactRegistry;

                let registry: Arc<dyn ArtifactRegistry> = Arc::new(
                    LocalArtifactRegistry::new(binding_name.to_string(), binding.clone()).await?,
                );
                Ok(registry)
            }
            #[cfg(not(feature = "local"))]
            ArtifactRegistryBinding::Local { .. } => {
                Err(AlienError::new(ErrorData::FeatureNotEnabled {
                    feature: "local".to_string(),
                }))
            }
        }?;

        self.put_cache("artifact_registry", binding_name, registry.clone())
            .await;
        Ok(registry)
    }

    async fn load_vault(&self, binding_name: &str) -> Result<Arc<dyn Vault>> {
        if let Some(cached) = self
            .get_cached::<Arc<dyn Vault>>("vault", binding_name)
            .await
        {
            return Ok(cached);
        }

        use alien_core::bindings::VaultBinding;

        let binding_json = self.bindings.get(binding_name).ok_or_else(|| {
            AlienError::new(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Binding not found".to_string(),
            })
        })?;

        let binding: VaultBinding = serde_json::from_value(binding_json.clone())
            .into_alien_error()
            .context(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Failed to parse vault binding".to_string(),
            })?;

        let result: Arc<dyn Vault> = match binding {
            #[cfg(feature = "aws")]
            VaultBinding::ParameterStore(config) => {
                use crate::providers::vault::aws_parameter_store::AwsParameterStoreVault;
                use alien_aws_clients::ssm::SsmClient;

                let aws_config = self.client_config.aws_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Aws,
                        message: "AWS config not available".to_string(),
                    })
                })?;
                let credentials =
                    alien_aws_clients::AwsCredentialProvider::from_config(aws_config.clone())
                        .await
                        .context(ErrorData::ClientConfigInvalid {
                            platform: Platform::Aws,
                            message: "Failed to create AWS credential provider".to_string(),
                        })?;

                let client = Arc::new(SsmClient::new(
                    crate::http_client::create_http_client(),
                    credentials,
                ));

                // Extract the vault prefix from the binding configuration
                let vault_prefix = config
                    .vault_prefix
                    .into_value(&binding_name, "vault_prefix")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract vault_prefix from ParameterStore binding"
                            .to_string(),
                    })?;

                let vault: Arc<dyn Vault> =
                    Arc::new(AwsParameterStoreVault::new(client, vault_prefix));
                Ok(vault)
            }
            #[cfg(not(feature = "aws"))]
            VaultBinding::ParameterStore(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "aws".to_string(),
            })),

            #[cfg(feature = "azure")]
            VaultBinding::KeyVault(config) => {
                use crate::providers::vault::azure_key_vault::AzureKeyVault;
                use alien_azure_clients::keyvault::AzureKeyVaultSecretsClient;
                use alien_azure_clients::AzureTokenCache;

                let azure_config = self.client_config.azure_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Azure,
                        message: "Azure config not available".to_string(),
                    })
                })?;

                let client = Arc::new(AzureKeyVaultSecretsClient::new(
                    crate::http_client::create_http_client(),
                    AzureTokenCache::new(azure_config.clone()),
                ));

                // Extract the vault name from the binding configuration
                let vault_name = config
                    .vault_name
                    .into_value(&binding_name, "vault_name")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract vault_name from KeyVault binding".to_string(),
                    })?;

                // Construct the vault base URL
                // Azure Key Vault URLs typically follow: https://{vault-name}.vault.azure.net/
                let vault_base_url = format!("https://{}.vault.azure.net", vault_name);

                let vault: Arc<dyn Vault> = Arc::new(AzureKeyVault::new(client, vault_base_url));
                Ok(vault)
            }
            #[cfg(not(feature = "azure"))]
            VaultBinding::KeyVault(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "azure".to_string(),
            })),

            #[cfg(feature = "gcp")]
            VaultBinding::SecretManager(config) => {
                use crate::providers::vault::gcp_secret_manager::GcpSecretManagerVault;
                use alien_gcp_clients::secret_manager::SecretManagerClient;

                let gcp_config = self.client_config.gcp_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Gcp,
                        message: "GCP config not available".to_string(),
                    })
                })?;

                let client = Arc::new(SecretManagerClient::new(
                    crate::http_client::create_http_client(),
                    gcp_config.clone(),
                ));

                // Extract the vault prefix from the binding configuration
                let vault_prefix = config
                    .vault_prefix
                    .into_value(&binding_name, "vault_prefix")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract vault_prefix from SecretManager binding"
                            .to_string(),
                    })?;

                let vault: Arc<dyn Vault> = Arc::new(GcpSecretManagerVault::new(
                    client,
                    vault_prefix,
                    gcp_config.project_id.clone(),
                ));
                Ok(vault)
            }
            #[cfg(not(feature = "gcp"))]
            VaultBinding::SecretManager(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "gcp".to_string(),
            })),

            #[cfg(feature = "local")]
            VaultBinding::Local(config) => {
                use crate::providers::vault::local::LocalVault;

                let vault_dir = config
                    .data_dir
                    .into_value(binding_name, "data_dir")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract data_dir from vault binding".to_string(),
                    })?;

                let vault: Arc<dyn Vault> = Arc::new(LocalVault::new(
                    binding_name.to_string(),
                    std::path::PathBuf::from(vault_dir),
                ));
                Ok(vault)
            }
            #[cfg(not(feature = "local"))]
            VaultBinding::Local { .. } => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "local".to_string(),
            })),

            #[cfg(feature = "kubernetes")]
            VaultBinding::KubernetesSecret(config) => {
                use crate::providers::vault::kubernetes_secret::KubernetesSecretVault;
                use alien_k8s_clients::{secrets::SecretsApi, KubernetesClient};

                let kubernetes_config =
                    self.client_config.kubernetes_config().ok_or_else(|| {
                        AlienError::new(ErrorData::ClientConfigInvalid {
                            platform: Platform::Kubernetes,
                            message: "Kubernetes config not available".to_string(),
                        })
                    })?;

                let kubernetes_client = KubernetesClient::new(kubernetes_config.clone())
                    .await
                    .context(ErrorData::CloudPlatformError {
                        message: "Failed to create Kubernetes client for vault".to_string(),
                        resource_id: None,
                    })?;

                let client: Arc<dyn SecretsApi> = Arc::new(kubernetes_client);

                // Extract namespace and vault prefix from binding
                let namespace = config
                    .namespace
                    .into_value(binding_name, "namespace")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract namespace from KubernetesSecret binding"
                            .to_string(),
                    })?;

                let vault_prefix = config
                    .vault_prefix
                    .into_value(binding_name, "vault_prefix")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract vault_prefix from KubernetesSecret binding"
                            .to_string(),
                    })?;

                let vault: Arc<dyn Vault> =
                    Arc::new(KubernetesSecretVault::new(client, namespace, vault_prefix));
                Ok(vault)
            }
            #[cfg(not(feature = "kubernetes"))]
            VaultBinding::KubernetesSecret(_) => {
                Err(AlienError::new(ErrorData::FeatureNotEnabled {
                    feature: "kubernetes".to_string(),
                }))
            }
        }?;

        self.put_cache("vault", binding_name, result.clone()).await;
        Ok(result)
    }

    async fn load_kv(&self, binding_name: &str) -> Result<Arc<dyn Kv>> {
        if let Some(cached) = self.get_cached::<Arc<dyn Kv>>("kv", binding_name).await {
            return Ok(cached);
        }

        use alien_core::bindings::KvBinding;

        let binding_json = self.bindings.get(binding_name).ok_or_else(|| {
            AlienError::new(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Binding not found".to_string(),
            })
        })?;

        let binding: KvBinding = serde_json::from_value(binding_json.clone())
            .into_alien_error()
            .context(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Failed to parse KV binding".to_string(),
            })?;

        let result: Arc<dyn Kv> = match binding {
            #[cfg(feature = "aws")]
            KvBinding::Dynamodb(config) => {
                use crate::providers::kv::aws_dynamodb::AwsDynamodbKv;

                let table_name = config
                    .table_name
                    .into_value(binding_name, "table_name")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract table_name from DynamoDB binding".to_string(),
                    })?;

                let aws_config = self.client_config.aws_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Aws,
                        message: "AWS config not available".to_string(),
                    })
                })?;

                let credentials =
                    alien_aws_clients::AwsCredentialProvider::from_config(aws_config.clone())
                        .await
                        .context(ErrorData::ClientConfigInvalid {
                            platform: Platform::Aws,
                            message: "Failed to create AWS credential provider".to_string(),
                        })?;
                let dynamodb_client = alien_aws_clients::dynamodb::DynamoDbClient::new(
                    crate::http_client::create_http_client(),
                    credentials,
                );
                let kv_impl = AwsDynamodbKv::new(table_name, dynamodb_client);
                let kv: Arc<dyn Kv> = Arc::new(kv_impl);
                Ok(kv)
            }
            #[cfg(not(feature = "aws"))]
            KvBinding::Dynamodb(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "aws".to_string(),
            })),

            #[cfg(feature = "gcp")]
            KvBinding::Firestore(config) => {
                use crate::providers::kv::gcp_firestore::GcpFirestoreKv;
                use alien_gcp_clients::firestore::FirestoreClient;

                let gcp_config = self.client_config.gcp_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Gcp,
                        message: "GCP config not available".to_string(),
                    })
                })?;

                let client = FirestoreClient::new(
                    crate::http_client::create_http_client(),
                    gcp_config.clone(),
                );

                let project_id = config
                    .project_id
                    .into_value(binding_name, "project_id")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract project_id from Firestore binding".to_string(),
                    })?;

                let database_id = config
                    .database_id
                    .into_value(binding_name, "database_id")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract database_id from Firestore binding".to_string(),
                    })?;

                let collection_name = config
                    .collection_name
                    .into_value(binding_name, "collection_name")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract collection_name from Firestore binding"
                            .to_string(),
                    })?;

                let kv: Arc<dyn Kv> = Arc::new(GcpFirestoreKv::new(
                    client,
                    project_id,
                    database_id,
                    collection_name,
                )?);
                Ok(kv)
            }
            #[cfg(not(feature = "gcp"))]
            KvBinding::Firestore(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "gcp".to_string(),
            })),

            #[cfg(feature = "azure")]
            KvBinding::TableStorage(config) => {
                use crate::providers::kv::azure_table_storage::AzureTableStorageKv;
                use alien_azure_clients::tables::AzureTableStorageClient;
                use alien_azure_clients::AzureTokenCache;

                let azure_config = self.client_config.azure_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Azure,
                        message: "Azure config not available".to_string(),
                    })
                })?;

                let resource_group_name = config
                    .resource_group_name
                    .into_value(binding_name, "resource_group_name")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract resource_group_name from TableStorage binding"
                            .to_string(),
                    })?;

                let account_name = config
                    .account_name
                    .into_value(binding_name, "account_name")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract account_name from TableStorage binding"
                            .to_string(),
                    })?;

                let table_name = config
                    .table_name
                    .into_value(binding_name, "table_name")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract table_name from TableStorage binding"
                            .to_string(),
                    })?;

                let client = AzureTableStorageClient::new(
                    crate::http_client::create_http_client(),
                    AzureTokenCache::new(azure_config.clone()),
                );

                let kv_impl =
                    AzureTableStorageKv::new(client, resource_group_name, account_name, table_name);
                let kv: Arc<dyn Kv> = Arc::new(kv_impl);
                Ok(kv)
            }
            #[cfg(not(feature = "azure"))]
            KvBinding::TableStorage(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "azure".to_string(),
            })),

            #[cfg(feature = "local")]
            KvBinding::Local(local_binding) => {
                use crate::providers::kv::local::LocalKv;
                use std::path::PathBuf;

                // Get data directory from binding
                let data_dir = PathBuf::from(
                    local_binding
                        .data_dir
                        .into_value(binding_name, "data_dir")
                        .context(ErrorData::BindingConfigInvalid {
                            binding_name: binding_name.to_string(),
                            reason: "Failed to extract data_dir from Local binding".to_string(),
                        })?,
                );

                // Create local disk-persisted KV implementation
                let kv_impl = LocalKv::new(data_dir).await?;

                let kv: Arc<dyn Kv> = Arc::new(kv_impl);
                Ok(kv)
            }
            #[cfg(not(feature = "local"))]
            KvBinding::Local { .. } => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "local".to_string(),
            })),

            KvBinding::Redis(_) => Err(AlienError::new(ErrorData::NotImplemented {
                operation: "Redis KV binding".to_string(),
                reason: "Redis KV provider is not yet implemented".to_string(),
            })),
        }?;

        self.put_cache("kv", binding_name, result.clone()).await;
        Ok(result)
    }

    async fn load_queue(&self, binding_name: &str) -> Result<Arc<dyn Queue>> {
        if let Some(cached) = self
            .get_cached::<Arc<dyn Queue>>("queue", binding_name)
            .await
        {
            return Ok(cached);
        }

        use alien_core::bindings::QueueBinding;

        let binding_json = self.bindings.get(binding_name).ok_or_else(|| {
            AlienError::new(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Binding not found".to_string(),
            })
        })?;

        let binding: QueueBinding = serde_json::from_value(binding_json.clone())
            .into_alien_error()
            .context(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Failed to parse Queue binding".to_string(),
            })?;

        let result: Arc<dyn Queue> = match binding {
            #[cfg(feature = "aws")]
            QueueBinding::Sqs(config) => {
                use crate::providers::queue::aws_sqs::AwsSqsQueue;

                let queue_url = config
                    .queue_url
                    .into_value(binding_name, "queue_url")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract queue_url from SQS binding".to_string(),
                    })?;

                let aws_config = self.client_config.aws_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Aws,
                        message: "AWS config not available".to_string(),
                    })
                })?;
                let credentials =
                    alien_aws_clients::AwsCredentialProvider::from_config(aws_config.clone())
                        .await
                        .context(ErrorData::ClientConfigInvalid {
                            platform: Platform::Aws,
                            message: "Failed to create AWS credential provider".to_string(),
                        })?;
                let client = alien_aws_clients::sqs::SqsClient::new(
                    crate::http_client::create_http_client(),
                    credentials,
                );
                let q: Arc<dyn Queue> = Arc::new(AwsSqsQueue::new(queue_url, client));
                Ok(q)
            }
            #[cfg(not(feature = "aws"))]
            QueueBinding::Sqs(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "aws".to_string(),
            })),

            #[cfg(feature = "gcp")]
            QueueBinding::Pubsub(config) => {
                use crate::providers::queue::gcp_pubsub::GcpPubSubQueue;
                let topic_name = config.topic.into_value(binding_name, "topic").context(
                    ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract topic".to_string(),
                    },
                )?;
                let subscription_name = config
                    .subscription
                    .into_value(binding_name, "subscription")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract subscription".to_string(),
                    })?;
                let gcp_config = self.client_config.gcp_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Gcp,
                        message: "GCP config not available".to_string(),
                    })
                })?;

                // Pass short names — PubSubClient methods prepend the project prefix
                let topic = if let Some(short) =
                    topic_name.strip_prefix(&format!("projects/{}/topics/", gcp_config.project_id))
                {
                    short.to_string()
                } else {
                    topic_name
                };
                let subscription = if let Some(short) = subscription_name.strip_prefix(&format!(
                    "projects/{}/subscriptions/",
                    gcp_config.project_id
                )) {
                    short.to_string()
                } else {
                    subscription_name
                };

                let q: Arc<dyn Queue> =
                    Arc::new(GcpPubSubQueue::new(topic, subscription, gcp_config.clone()).await?);
                Ok(q)
            }
            #[cfg(not(feature = "gcp"))]
            QueueBinding::Pubsub(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "gcp".to_string(),
            })),

            #[cfg(feature = "azure")]
            QueueBinding::Servicebus(config) => {
                use crate::providers::queue::azure_service_bus::AzureServiceBusQueue;
                let namespace = config
                    .namespace
                    .into_value(binding_name, "namespace")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract namespace".to_string(),
                    })?;
                let queue_name = config
                    .queue_name
                    .into_value(binding_name, "queue_name")
                    .context(ErrorData::BindingConfigInvalid {
                        binding_name: binding_name.to_string(),
                        reason: "Failed to extract queue_name".to_string(),
                    })?;
                let azure_config = self.client_config.azure_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Azure,
                        message: "Azure config not available".to_string(),
                    })
                })?;
                let q: Arc<dyn Queue> = Arc::new(
                    AzureServiceBusQueue::new(namespace, queue_name, azure_config.clone()).await?,
                );
                Ok(q)
            }
            #[cfg(not(feature = "azure"))]
            QueueBinding::Servicebus(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "azure".to_string(),
            })),

            #[cfg(feature = "local")]
            QueueBinding::Local(config) => {
                use crate::providers::queue::local::LocalQueue;

                let queue = LocalQueue::from_binding(config).await?;
                let q: Arc<dyn Queue> = Arc::new(queue);
                Ok(q)
            }
            #[cfg(not(feature = "local"))]
            QueueBinding::Local(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "local".to_string(),
            })),
        }?;

        self.put_cache("queue", binding_name, result.clone()).await;
        Ok(result)
    }

    async fn load_worker(&self, binding_name: &str) -> Result<Arc<dyn Worker>> {
        use alien_core::bindings::WorkerBinding;

        let binding_json = self.bindings.get(binding_name).ok_or_else(|| {
            AlienError::new(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Binding not found".to_string(),
            })
        })?;

        let binding: WorkerBinding = serde_json::from_value(binding_json.clone())
            .into_alien_error()
            .context(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Failed to parse worker binding".to_string(),
            })?;

        match binding {
            #[cfg(feature = "aws")]
            WorkerBinding::Lambda(lambda_binding) => {
                use crate::providers::worker::LambdaWorker;

                let aws_config = self.client_config.aws_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Aws,
                        message: "AWS config not available".to_string(),
                    })
                })?;
                let credentials =
                    alien_aws_clients::AwsCredentialProvider::from_config(aws_config.clone())
                        .await
                        .context(ErrorData::ClientConfigInvalid {
                            platform: Platform::Aws,
                            message: "Failed to create AWS credential provider".to_string(),
                        })?;
                let client = crate::http_client::create_http_client();

                let function_impl = LambdaWorker::new(client, credentials, lambda_binding);
                let function: Arc<dyn Worker> = Arc::new(function_impl);
                Ok(function)
            }
            #[cfg(not(feature = "aws"))]
            WorkerBinding::Lambda(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "aws".to_string(),
            })),

            #[cfg(feature = "gcp")]
            WorkerBinding::CloudRun(cloudrun_binding) => {
                use crate::providers::worker::CloudRunWorker;

                let gcp_config = self.client_config.gcp_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Gcp,
                        message: "GCP config not available".to_string(),
                    })
                })?;
                let client = crate::http_client::create_http_client();

                let function_impl =
                    CloudRunWorker::new(client, gcp_config.clone(), cloudrun_binding);
                let function: Arc<dyn Worker> = Arc::new(function_impl);
                Ok(function)
            }
            #[cfg(not(feature = "gcp"))]
            WorkerBinding::CloudRun(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "gcp".to_string(),
            })),

            #[cfg(feature = "azure")]
            WorkerBinding::ContainerApp(container_app_binding) => {
                use crate::providers::worker::ContainerAppWorker;

                let azure_config = self.client_config.azure_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Azure,
                        message: "Azure config not available".to_string(),
                    })
                })?;
                let client = crate::http_client::create_http_client();

                let function_impl =
                    ContainerAppWorker::new(client, azure_config.clone(), container_app_binding);
                let function: Arc<dyn Worker> = Arc::new(function_impl);
                Ok(function)
            }
            #[cfg(not(feature = "azure"))]
            WorkerBinding::ContainerApp(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "azure".to_string(),
            })),

            #[cfg(feature = "local")]
            WorkerBinding::Local(local_binding) => {
                use crate::providers::worker::LocalWorker;

                let function_impl = LocalWorker::new(local_binding);
                let function: Arc<dyn Worker> = Arc::new(function_impl);
                Ok(function)
            }
            #[cfg(not(feature = "local"))]
            WorkerBinding::Local(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "local".to_string(),
            })),

            #[cfg(feature = "kubernetes")]
            WorkerBinding::Kubernetes(kubernetes_binding) => {
                use crate::providers::worker::KubernetesWorker;

                let function_impl =
                    KubernetesWorker::new(binding_name.to_string(), kubernetes_binding)?;
                let function: Arc<dyn Worker> = Arc::new(function_impl);
                Ok(function)
            }
            #[cfg(not(feature = "kubernetes"))]
            WorkerBinding::Kubernetes(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "kubernetes".to_string(),
            })),
        }
    }

    async fn load_container(
        &self,
        binding_name: &str,
    ) -> Result<Arc<dyn crate::traits::Container>> {
        use alien_core::bindings::ContainerBinding;

        let binding_json = self.bindings.get(binding_name).ok_or_else(|| {
            AlienError::new(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Binding not found".to_string(),
            })
        })?;

        let binding: ContainerBinding = serde_json::from_value(binding_json.clone())
            .into_alien_error()
            .context(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Failed to parse container binding".to_string(),
            })?;

        match binding {
            ContainerBinding::Horizon(horizon_binding) => {
                use crate::providers::container::HorizonContainer;

                let container_impl = HorizonContainer::new(horizon_binding)?;
                let container: Arc<dyn crate::traits::Container> = Arc::new(container_impl);
                Ok(container)
            }

            #[cfg(feature = "local")]
            ContainerBinding::Local(local_binding) => {
                use crate::providers::container::LocalContainer;

                let container_impl = LocalContainer::new(local_binding)?;
                let container: Arc<dyn crate::traits::Container> = Arc::new(container_impl);
                Ok(container)
            }
            #[cfg(not(feature = "local"))]
            ContainerBinding::Local(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "local".to_string(),
            })),

            #[cfg(feature = "kubernetes")]
            ContainerBinding::Kubernetes(kubernetes_binding) => {
                use crate::providers::container::KubernetesContainer;

                let container_impl =
                    KubernetesContainer::new(binding_name.to_string(), kubernetes_binding)?;
                let container: Arc<dyn crate::traits::Container> = Arc::new(container_impl);
                Ok(container)
            }
            #[cfg(not(feature = "kubernetes"))]
            ContainerBinding::Kubernetes(_) => Err(AlienError::new(ErrorData::FeatureNotEnabled {
                feature: "kubernetes".to_string(),
            })),
        }
    }

    async fn load_service_account(
        &self,
        binding_name: &str,
    ) -> Result<Arc<dyn crate::traits::ServiceAccount>> {
        use alien_core::bindings::ServiceAccountBinding;

        let binding_json = self.bindings.get(binding_name).ok_or_else(|| {
            AlienError::new(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Binding not found".to_string(),
            })
        })?;

        let binding: ServiceAccountBinding = serde_json::from_value(binding_json.clone())
            .into_alien_error()
            .context(ErrorData::BindingConfigInvalid {
                binding_name: binding_name.to_string(),
                reason: "Failed to parse service account binding".to_string(),
            })?;

        match binding {
            #[cfg(feature = "aws")]
            ServiceAccountBinding::AwsIam(aws_binding) => {
                use crate::providers::service_account::aws_iam::AwsIamServiceAccount;

                let aws_config = self.client_config.aws_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Aws,
                        message: "AWS config not available".to_string(),
                    })
                })?;
                let client = crate::http_client::create_http_client();

                let service_account_impl =
                    AwsIamServiceAccount::new(client, aws_config.clone(), aws_binding);
                let service_account: Arc<dyn crate::traits::ServiceAccount> =
                    Arc::new(service_account_impl);
                Ok(service_account)
            }
            #[cfg(not(feature = "aws"))]
            ServiceAccountBinding::AwsIam(_) => {
                Err(AlienError::new(ErrorData::FeatureNotEnabled {
                    feature: "aws".to_string(),
                }))
            }

            #[cfg(feature = "gcp")]
            ServiceAccountBinding::GcpServiceAccount(gcp_binding) => {
                use crate::providers::service_account::gcp_service_account::GcpServiceAccount;

                let gcp_config = self.client_config.gcp_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Gcp,
                        message: "GCP config not available".to_string(),
                    })
                })?;
                let client = crate::http_client::create_http_client();

                let service_account_impl =
                    GcpServiceAccount::new(client, gcp_config.clone(), gcp_binding);
                let service_account: Arc<dyn crate::traits::ServiceAccount> =
                    Arc::new(service_account_impl);
                Ok(service_account)
            }
            #[cfg(not(feature = "gcp"))]
            ServiceAccountBinding::GcpServiceAccount(_) => {
                Err(AlienError::new(ErrorData::FeatureNotEnabled {
                    feature: "gcp".to_string(),
                }))
            }

            #[cfg(feature = "azure")]
            ServiceAccountBinding::AzureManagedIdentity(azure_binding) => {
                use crate::providers::service_account::azure_managed_identity::AzureManagedIdentityServiceAccount;

                let azure_config = self.client_config.azure_config().ok_or_else(|| {
                    AlienError::new(ErrorData::ClientConfigInvalid {
                        platform: Platform::Azure,
                        message: "Azure config not available".to_string(),
                    })
                })?;

                let service_account_impl =
                    AzureManagedIdentityServiceAccount::new(azure_config.clone(), azure_binding);
                let service_account: Arc<dyn crate::traits::ServiceAccount> =
                    Arc::new(service_account_impl);
                Ok(service_account)
            }
            #[cfg(not(feature = "azure"))]
            ServiceAccountBinding::AzureManagedIdentity(_) => {
                Err(AlienError::new(ErrorData::FeatureNotEnabled {
                    feature: "azure".to_string(),
                }))
            }
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use alien_core::ENV_ALIEN_DEPLOYMENT_TYPE;

    fn kubernetes_aws_env() -> HashMap<String, String> {
        HashMap::from([
            (
                ENV_ALIEN_DEPLOYMENT_TYPE.to_string(),
                Platform::Kubernetes.as_str().to_string(),
            ),
            (
                ENV_ALIEN_BASE_PLATFORM.to_string(),
                Platform::Aws.as_str().to_string(),
            ),
            (
                "KUBERNETES_SERVICE_HOST".to_string(),
                "10.0.0.1".to_string(),
            ),
            ("KUBERNETES_SERVICE_PORT".to_string(), "443".to_string()),
            ("AWS_REGION".to_string(), "us-east-1".to_string()),
            ("AWS_ACCOUNT_ID".to_string(), "123456789012".to_string()),
            ("AWS_ACCESS_KEY_ID".to_string(), "test".to_string()),
            ("AWS_SECRET_ACCESS_KEY".to_string(), "test".to_string()),
        ])
    }

    fn kubernetes_azure_env() -> HashMap<String, String> {
        HashMap::from([
            (
                ENV_ALIEN_DEPLOYMENT_TYPE.to_string(),
                Platform::Kubernetes.as_str().to_string(),
            ),
            (
                ENV_ALIEN_BASE_PLATFORM.to_string(),
                Platform::Azure.as_str().to_string(),
            ),
            (
                "KUBERNETES_SERVICE_HOST".to_string(),
                "10.0.0.1".to_string(),
            ),
            ("KUBERNETES_SERVICE_PORT".to_string(), "443".to_string()),
            (
                "AZURE_SUBSCRIPTION_ID".to_string(),
                "00000000-0000-0000-0000-000000000000".to_string(),
            ),
            (
                "AZURE_TENANT_ID".to_string(),
                "11111111-1111-1111-1111-111111111111".to_string(),
            ),
            ("AZURE_REGION".to_string(), "eastus".to_string()),
            (
                "AZURE_CLIENT_ID".to_string(),
                "22222222-2222-2222-2222-222222222222".to_string(),
            ),
            (
                "AZURE_FEDERATED_TOKEN_FILE".to_string(),
                "/var/run/secrets/azure/tokens/azure-identity-token".to_string(),
            ),
            (
                "AZURE_AUTHORITY_HOST".to_string(),
                "https://login.microsoftonline.com/".to_string(),
            ),
        ])
    }

    #[tokio::test]
    async fn from_env_builds_kubernetes_cloud_config_when_base_platform_is_set() {
        let provider = BindingsProvider::from_env(kubernetes_aws_env())
            .await
            .unwrap();

        assert!(provider.client_config.kubernetes_config().is_some());
        assert!(provider.client_config.aws_config().is_some());
        assert!(matches!(
            provider.client_config,
            ClientConfig::KubernetesCloud { .. }
        ));
    }

    #[tokio::test]
    async fn from_env_builds_kubernetes_cloud_config_for_azure_workload_identity() {
        let provider = BindingsProvider::from_env(kubernetes_azure_env())
            .await
            .unwrap();

        assert!(provider.client_config.kubernetes_config().is_some());
        assert!(provider.client_config.azure_config().is_some());
        assert!(matches!(
            provider.client_config,
            ClientConfig::KubernetesCloud { .. }
        ));
    }

    #[tokio::test]
    async fn from_env_rejects_non_cloud_kubernetes_base_platform() {
        let mut env = kubernetes_aws_env();
        env.insert(
            ENV_ALIEN_BASE_PLATFORM.to_string(),
            Platform::Kubernetes.as_str().to_string(),
        );

        let error = BindingsProvider::from_env(env).await.unwrap_err();

        assert!(error.to_string().contains(ENV_ALIEN_BASE_PLATFORM));
    }
}

/// Conversion functions between SDK types and alien-core types
#[cfg(feature = "platform-sdk")]
mod conversions {
    use super::*;
    use serde::Serialize;

    /// Convert SDK AgentStackState to alien-core StackState
    /// Generic over any serializable type since we convert via JSON
    pub fn convert_stack_state<T: Serialize>(sdk_stack_state: &T) -> Result<StackState> {
        // Convert via JSON serialization/deserialization (same pattern as deploy.rs)
        let stack_state: StackState = serde_json::from_value(
            serde_json::to_value(sdk_stack_state)
                .into_alien_error()
                .context(ErrorData::BindingConfigInvalid {
                    binding_name: "stack_state".to_string(),
                    reason: "Failed to serialize SDK stack state".to_string(),
                })?,
        )
        .into_alien_error()
        .context(ErrorData::BindingConfigInvalid {
            binding_name: "stack_state".to_string(),
            reason: "Failed to parse stack state".to_string(),
        })?;

        Ok(stack_state)
    }
}