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//            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
//                    Version 2, December 2004
//
// Copyleft (ↄ) meh. <meh@schizofreni.co> | http://meh.schizofreni.co
//
// Everyone is permitted to copy and distribute verbatim or modified
// copies of this license document, and changing it is allowed as long
// as the name is changed.
//
//            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
//   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
//
//  0. You just DO WHAT THE FUCK YOU WANT TO.

use std::io;
use stream::entry::header;
use util::Address;
use super::Header;

pub struct MessageId(pub Address);

impl Header for MessageId {
	#[inline(always)]
	fn name() -> &'static str {
		"Message-ID"
	}

	#[inline]
	fn parse(values: &[header::Item]) -> io::Result<Self> {
		let address = try!(Address::new(values[0].clone()));

		if address.host().is_none() {
			return Err(io::Error::new(io::ErrorKind::InvalidInput, "missing host"));
		}

		Ok(MessageId(address))
	}
}

impl MessageId {
	#[inline]
	pub fn id(&self) -> &str {
		self.0.user()
	}

	#[inline]
	pub fn host(&self) -> &str {
		self.0.host().unwrap()
	}
}