distri 0.3.8

Rust client for the Distri A2A agent platform
Documentation 
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//! Configuration for the Distri client.
//!
//! This module re-exports `DistriClientConfig` from `distri-types` for convenience.
//! The actual implementation is in `distri-types` to allow reuse across packages.

// Re-export from distri-types
pub use distri_types::DistriConfig;

/// Trait for building HTTP clients from DistriClientConfig.
/// This trait is defined in distri-client because it depends on reqwest.
pub trait BuildHttpClient {
    /// Build a reqwest client with the configured settings.
    fn build_http_client(&self) -> Result<reqwest::Client, reqwest::Error>;
}

impl BuildHttpClient for DistriConfig {
    fn build_http_client(&self) -> Result<reqwest::Client, reqwest::Error> {
        let mut builder =
            reqwest::Client::builder().timeout(std::time::Duration::from_secs(self.timeout_secs));

        let mut headers = reqwest::header::HeaderMap::new();

        // Add API key / token header if configured
        if let Some(ref api_key) = self.api_key {
            if api_key.starts_with("eyJ") {
                // JWT token (base64-encoded JSON) — send as Bearer auth
                // This is used by containers running distri-cli with a minted JWT
                if let Ok(val) =
                    reqwest::header::HeaderValue::from_str(&format!("Bearer {}", api_key))
                {
                    headers.insert(reqwest::header::AUTHORIZATION, val);
                }
            } else {
                // Regular API key — send as x-api-key header
                headers.insert(
                    "x-api-key",
                    reqwest::header::HeaderValue::from_str(api_key)
                        .expect("Invalid API key format"),
                );
            }
        }

        // Add workspace ID header if configured
        if let Some(workspace_id) = &self.workspace_id {
            headers.insert(
                "x-workspace-id",
                reqwest::header::HeaderValue::from_str(workspace_id)
                    .expect("Invalid workspace ID format"),
            );
        }

        // Propagate W3C Trace Context when a traceparent is provided.
        // Set via --traceparent CLI flag (SandboxLauncher passes it to distri run).
        if let Some(ref traceparent) = self.traceparent
            && let Ok(val) = reqwest::header::HeaderValue::from_str(traceparent)
        {
            headers.insert("traceparent", val);
        }

        if !headers.is_empty() {
            builder = builder.default_headers(headers);
        }

        builder.build()
    }
}

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

    #[test]
    fn test_default_config() {
        let config = DistriConfig::default();
        assert_eq!(config.base_url, "https://api.distri.dev/v1");
        assert!(config.api_key.is_none());
        assert!(!config.is_local());
    }

    #[test]
    fn test_local_config() {
        let config = DistriConfig::new("http://localhost:3033");
        assert!(config.is_local());
        assert!(!config.has_auth());
    }

    #[test]
    fn test_with_api_key() {
        let config = DistriConfig::default().with_api_key("test-key");
        assert!(config.has_auth());
        assert_eq!(config.api_key, Some("test-key".to_string()));
    }

    #[test]
    fn test_trailing_slash_removed() {
        let config = DistriConfig::new("http://localhost:3033/");
        assert_eq!(config.base_url, "http://localhost:3033");
    }
}