use std::os::fd::RawFd;

use iddqd::BiHashItem;
use mio::Token;

#[derive(Copy)]
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct TokenFd {
    pub token: Token,
    pub fd: RawFd,
}

impl BiHashItem for TokenFd {
    type K1<'a> = Token;
    type K2<'a> = RawFd;

    fn key1(&self) -> Token {
        self.token
    }

    fn key2(&self) -> RawFd {
        self.fd
    }

    iddqd::bi_upcast!();
}

impl From<TokenFd> for (Token, RawFd) {
    fn from(TokenFd { token, fd }: TokenFd) -> (Token, RawFd) {
        (token, fd)
    }
}

impl From<(Token, RawFd)> for TokenFd {
    fn from((token, fd): (Token, RawFd)) -> TokenFd {
        TokenFd { token, fd }
    }
}