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use crate::key::Key;
use serde_derive::{Deserialize, Serialize};
use std::cmp::Ordering;
use std::fmt::{Debug, Formatter, Result};

/// A struct that contains the address and id of a node.
#[derive(PartialEq, Eq, Hash, Clone, Serialize, Deserialize)]
pub struct NodeData {
    /// The address of the node in the form of `ip:port`.
    pub addr: String,
    /// The id of the node.
    pub id: Key,
}

impl Debug for NodeData {
    fn fmt(&self, f: &mut Formatter<'_>) -> Result {
        write!(f, "{} - {:?}", self.addr, self.id)
    }
}

/// A struct that contains a `NodeData` and a distance.
#[derive(Eq, Clone, Debug)]
pub struct NodeDataDistancePair(pub NodeData, pub Key);

impl PartialEq for NodeDataDistancePair {
    fn eq(&self, other: &NodeDataDistancePair) -> bool {
        self.0.eq(&other.0)
    }
}

impl PartialOrd for NodeDataDistancePair {
    fn partial_cmp(&self, other: &NodeDataDistancePair) -> Option<Ordering> {
        Some(other.1.cmp(&self.1))
    }
}

impl Ord for NodeDataDistancePair {
    fn cmp(&self, other: &NodeDataDistancePair) -> Ordering {
        other.1.cmp(&self.1)
    }
}