//  Copyright 2020, The Tari Project
//
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//  following disclaimer in the documentation and/or other materials provided with the distribution.
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use std::time::Duration;

use log::*;
use tokio::time;

use super::state_machine::StateEvent;

const LOG_TARGET: &str = "comms::dht::network_discovery";

#[derive(Debug)]
pub struct Waiting {
    duration: Duration,
}

impl Waiting {
    pub fn new(duration: Duration) -> Self {
        Self { duration }
    }

    pub fn duration(&self) -> Duration {
        self.duration
    }

    pub async fn next_event(&mut self) -> StateEvent {
        debug!(
            target: LOG_TARGET,
            "Network discovery is IDLING for {:.0?}", self.duration
        );
        time::sleep(self.duration).await;
        debug!(target: LOG_TARGET, "Network discovery resuming");
        StateEvent::Ready
    }
}

impl From<Duration> for Waiting {
    fn from(duration: Duration) -> Self {
        Self::new(duration)
    }
}
