path: root/makima/src/bin/server.rs

//! Makima Audio API Server binary.
//!
//! This server provides WebSocket-based speech-to-text streaming.

use std::sync::Arc;

use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};

use makima::server::{run_server, state::AppState};

/// Default model paths (can be overridden via environment variables).
const DEFAULT_PARAKEET_MODEL_DIR: &str = "models/parakeet-tdt-0.6b-v3";
const DEFAULT_PARAKEET_EOU_DIR: &str = "models/realtime_eou_120m-v1-onnx";
const DEFAULT_SORTFORMER_MODEL_PATH: &str = "models/diarization/diar_streaming_sortformer_4spk-v2.onnx";

#[tokio::main]
async fn main() -> anyhow::Result<()> {
    // Initialize tracing subscriber with environment filter
    tracing_subscriber::registry()
        .with(
            tracing_subscriber::EnvFilter::try_from_default_env()
                .unwrap_or_else(|_| "makima=info,tower_http=info".into()),
        )
        .with(tracing_subscriber::fmt::layer())
        .init();

    tracing::info!("Starting Makima Listening API Server");

    // Read configuration from environment
    let port = std::env::var("PORT").unwrap_or_else(|_| "8080".to_string());
    let parakeet_dir = std::env::var("PARAKEET_MODEL_DIR")
        .unwrap_or_else(|_| DEFAULT_PARAKEET_MODEL_DIR.to_string());
    let parakeet_eou_dir = std::env::var("PARAKEET_EOU_DIR")
        .unwrap_or_else(|_| DEFAULT_PARAKEET_EOU_DIR.to_string());
    let sortformer_path = std::env::var("SORTFORMER_MODEL_PATH")
        .unwrap_or_else(|_| DEFAULT_SORTFORMER_MODEL_PATH.to_string());

    tracing::info!(
        parakeet = %parakeet_dir,
        eou = %parakeet_eou_dir,
        sortformer = %sortformer_path,
        "Loading ML models..."
    );

    // Load ML models
    let state = Arc::new(
        AppState::new(&parakeet_dir, &parakeet_eou_dir, &sortformer_path)
            .map_err(|e| anyhow::anyhow!("Failed to load models: {}", e))?,
    );

    tracing::info!("Models loaded successfully");

    // Run the server
    let addr = format!("0.0.0.0:{}", port);
    run_server(state, &addr).await
}