foxhunt/tli/examples/complete_client_example.rs

//! Complete TLI Client Example
//!
//! This example demonstrates how to use the TLI client infrastructure
//! to connect to both Trading Service and Backtesting Service.

use tli::prelude::*;
use tokio::time::{sleep, Duration};
use tracing::{error, info, warn};

#[tokio::main]
async fn main() -> TliResult<()> {
    // Initialize logging
    tracing_subscriber::fmt::init();

    info!("Starting TLI Complete Client Example");

    // Create client suite with both services
    let mut client_suite = TliClientBuilder::new()
        .with_service_endpoint(
            "trading_service".to_string(),
            "http://localhost:50051".to_string(),
        )
        .with_service_endpoint(
            "backtesting_service".to_string(),
            "http://localhost:50052".to_string(),
        )
        .with_trading_config(TradingClientConfig {
            endpoint: "http://localhost:50051".to_string(),
            timeout_ms: 10_000,
        })
        .with_backtesting_config(BacktestingClientConfig {
            endpoint: "http://localhost:50052".to_string(),
            timeout_ms: 10_000,
        })
        .build()
        .await?;

    info!("Client suite created successfully");

    // Demonstrate trading operations
    if let Some(mut trading_client) = client_suite.trading_client {
        info!("Connecting to trading service...");

        match trading_client.connect().await {
            Ok(_) => {
                info!("Connected to trading service successfully");
                info!("Connection status: {}", trading_client.is_connected());

                // Note: Actual trading operations would require implementing
                // the gRPC service methods. This example shows the client setup.
                info!("Trading client is ready for operations");
            },
            Err(e) => {
                error!("Failed to connect to trading service: {}", e);
            },
        }

        // Cleanup
        trading_client.shutdown().await;
        info!("Trading client shut down");
    } else {
        warn!("Trading client not available");
    }

    // Demonstrate backtesting operations
    if let Some(mut backtesting_client) = client_suite.backtesting_client {
        info!("Connecting to backtesting service...");

        match backtesting_client.connect().await {
            Ok(_) => {
                info!("Connected to backtesting service successfully");
                info!("Connection status: {}", backtesting_client.is_connected());

                // Note: Actual backtesting operations would require implementing
                // the gRPC service methods. This example shows the client setup.
                info!("Backtesting client is ready for operations");
            },
            Err(e) => {
                error!("Failed to connect to backtesting service: {}", e);
            },
        }

        // Cleanup
        backtesting_client.shutdown().await;
        info!("Backtesting client shut down");
    } else {
        warn!("Backtesting client not available");
    }

    // Demonstrate ML training operations
    if let Some(mut ml_client) = client_suite.ml_training_client {
        info!("Connecting to ML training service...");

        match ml_client.connect().await {
            Ok(_) => {
                info!("Connected to ML training service successfully");
                info!("Connection status: {}", ml_client.is_connected());

                // Note: Actual ML training operations would require implementing
                // the gRPC service methods. This example shows the client setup.
                info!("ML training client is ready for operations");
            },
            Err(e) => {
                error!("Failed to connect to ML training service: {}", e);
            },
        }

        // Cleanup
        ml_client.shutdown().await;
        info!("ML training client shut down");
    } else {
        warn!("ML training client not available");
    }

    // Allow some time for graceful shutdown
    sleep(Duration::from_secs(1)).await;

    info!("Example completed successfully");
    Ok(())
}