use std::{collections::HashMap, hash::Hash, net::SocketAddr};

use serde::Serialize;

use crate::{components::chainspec_loader::ChainspecInfo, types::Block};

/// Data feed for client "info_get_status" endpoint.
#[derive(Debug, Serialize)]
#[serde(bound = "I: Eq + Hash + Serialize")]
pub struct StatusFeed<I> {
    /// The last block added to the chain.
    pub last_added_block: Option<Block>,
    /// The peer nodes which are connected to this node.
    pub peers: HashMap<I, SocketAddr>,
    /// The chainspec info for this node.
    pub chainspec_info: ChainspecInfo,
    /// The compiled node version.
    pub version: &'static str,
}

impl<I> StatusFeed<I> {
    pub(crate) fn new(
        last_added_block: Option<Block>,
        peers: HashMap<I, SocketAddr>,
        chainspec_info: ChainspecInfo,
    ) -> Self {
        StatusFeed {
            last_added_block,
            peers,
            chainspec_info,
            version: crate::VERSION_STRING.as_str(),
        }
    }
}