use command::{IrcCommand, IrcCommandLine, Numeric, Stringy};

use std::io;
use std::io::prelude::*;

use std::ops::Range;

pub struct SimpleIrcCommand {
    command: Vec<u8>,
    arguments: (Vec<Range<usize>>, Vec<u8>),
    source: Vec<u8>,
}

impl IrcCommandLine for SimpleIrcCommand {
    fn get_command<'a>(&'a self) -> IrcCommand<'a> {
        IrcCommand::new(&self.command)
    }

    fn get_argument<'a>(&'a self, arg: usize) -> &'a [u8] {
        &self.arguments.1[self.arguments.0[arg].clone()] // awful API there, rust.
    }

    fn get_argument_count(&self) -> usize {
        self.arguments.0.len()
    }

    fn get_source<'a>(&'a self) -> &'a [u8] {
        &self.source
    }
}

pub struct NoIrcConnection;

impl NoIrcConnection {
    pub fn read_command<R: Read>(reader: R) -> io::Result<SimpleIrcCommand> {
        unimplemented!()
    }
}