// Copyright (C) 2019-2023 Aleo Systems Inc.
// This file is part of the snarkOS library.

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at:
// http://www.apache.org/licenses/LICENSE-2.0

// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use crate::{Heartbeat, Inbound, Outbound};
use snarkos_node_messages::Message;
use snarkos_node_tcp::{
    protocols::{Disconnect, Handshake, OnConnect},
    P2P,
};
use snarkvm::prelude::Network;

use core::time::Duration;

#[async_trait]
pub trait Routing<N: Network>:
    P2P + Disconnect + OnConnect + Handshake + Inbound<N> + Outbound<N> + Heartbeat<N>
{
    /// Initialize the routing.
    async fn initialize_routing(&self) {
        // Enable the TCP protocols.
        self.enable_handshake().await;
        self.enable_reading().await;
        self.enable_writing().await;
        self.enable_disconnect().await;
        self.enable_on_connect().await;
        // Enable the TCP listener. Note: This must be called after the above protocols.
        self.enable_listener().await;
        // Initialize the heartbeat.
        self.initialize_heartbeat();
        // Initialize the report.
        #[cfg(not(feature = "test"))]
        self.initialize_report();
    }

    // Start listening for inbound connections.
    async fn enable_listener(&self) {
        let listening_addr = self.tcp().enable_listener().await.expect("Failed to enable the TCP listener");
        self.router().sync.set_local_ip(listening_addr);
    }

    /// Initialize a new instance of the heartbeat.
    fn initialize_heartbeat(&self) {
        let self_clone = self.clone();
        self.router().spawn(async move {
            loop {
                // Process a heartbeat in the router.
                self_clone.heartbeat();
                // Sleep for `HEARTBEAT_IN_SECS` seconds.
                tokio::time::sleep(Duration::from_secs(Self::HEARTBEAT_IN_SECS)).await;
            }
        });
    }

    /// Initialize a new instance of the report.
    fn initialize_report(&self) {
        let self_clone = self.clone();
        self.router().spawn(async move {
            loop {
                // Prepare the report.
                let mut report = std::collections::HashMap::new();
                report.insert("message_version".to_string(), Message::<N>::VERSION.to_string());
                report.insert("node_address".to_string(), self_clone.router().address().to_string());
                report.insert("node_type".to_string(), self_clone.router().node_type().to_string());
                report.insert("is_dev".to_string(), self_clone.router().is_dev().to_string());
                // Transmit the report.
                let url = "https://vm.aleo.org/testnet3/report";
                let _ = reqwest::Client::new().post(url).json(&report).send().await;
                // Sleep for a fixed duration in seconds.
                tokio::time::sleep(Duration::from_secs(6 * 60 * 60)).await;
            }
        });
    }
}
