use std::{sync::mpsc, time::Duration};

use system_metrics::{TargetNetworkInterface, get_network_interfaces_names, get_system_stats};

#[test]

fn nework_interfaces_sample_test_json() {

let network_names = get_network_interfaces_names();

// Proceed even if no network interface has been found.

println!("Available network interfaces:");

for (index, name) in network_names.iter().enumerate() {

println!(" [{}] '{}'", index, name);

}

// Setup a channel to listen for CTRL+C interrupts,

let (tx, rx) = mpsc::channel();

// and register the handler.

ctrlc::set_handler(move || {

let _ = tx.send(());

})

.ok();

// Duration to measure the metrics over.

let duration = Duration::from_secs(1);

// Start the monitoring and retrieve the stats once it's done.

let system_stats = get_system_stats(TargetNetworkInterface::FirstActive, duration, rx).unwrap();

// Serialize to pretty JSON.

let system_stats_json = match serde_json::to_string_pretty(&system_stats) {

Ok(json) => json,

Err(e) => panic!("Error serializing to JSON: {}", e),

};

println!("{system_stats_json}");

}