// Copyright 2021 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

use {
    fasync::TimeoutExt,
    fidl_fidl_examples_routing_echo as fecho, fuchsia_async as fasync,
    fuchsia_component::client::connect_to_protocol,
    rand::{thread_rng, Rng},
    std::time::Duration,
};

#[fasync::run_singlethreaded]
async fn main() {
    let mut rng = thread_rng();
    let timeout = rng.gen_range(0..10);
    let timeout = Duration::from_secs(timeout);

    // TODO(xbhatnag): Expose a service to control this component from the test
    send_echo().on_timeout(timeout, || ()).await;
}

async fn send_echo() {
    loop {
        if let Ok(echo) = connect_to_protocol::<fecho::EchoMarker>() {
            if let Ok(Some(result)) = echo.echo_string(Some("Hippos rule!")).await {
                assert_eq!(result, "Hippos rule!");
            }
        }
    }
}