/// WatcherAgent - A Rust-based system monitoring agent
/// This agent collects hardware metrics and sends them to a backend server.
/// It supports CPU, GPU, RAM, disk, and network metrics.
mod api;
mod hardware;
mod metrics;
mod models;

use anyhow::Result;
use std::error::Error;

#[tokio::main]
async fn main() -> Result<(), Box<dyn Error>> {
    let server_url = "http://localhost:5000";

    // Registration
    let (server_id, ip) = api::register_with_server(server_url).await?;

    // Start background tasks
    // Start heartbeat in background
    let heartbeat_handle = tokio::spawn({
        let ip = ip.clone();
        async move {
            if let Err(e) = api::heartbeat_loop(server_url, &ip).await {
                eprintln!("Heartbeat loop failed: {}", e);
            }
        }
    });

    heartbeat_handle.await?;

    // Main metrics loop
    println!("Starting metrics collection...");
    let mut collector = metrics::Collector::new(server_id, ip);
    collector.run(server_url).await?;

    Ok(())
}