mod threads;

use std::io::{Stdin, Write};
use termion::event::Key;
use termion::input::TermRead;

pub use threads::Threads;

pub struct Client {
    states: Vec<State>,
}

impl Client {
    pub fn new(initial_state: State) -> Self {
        Self {
            states: vec![initial_state],
        }
    }

    pub fn run<W: Write>(mut self, mut screen: W, stdin: Stdin) {
        for c in stdin.keys() {
            let c = c.unwrap();
            // Global keybinds
            match c {
                Key::Char('q') => {
                    self.states.pop().unwrap();
                    if self.states.is_empty() {
                        break;
                    }
                },
                _ => ()
            }

            let next_state = match self.states.last_mut().unwrap() {
                State::Threads(s) => s.tick(&mut screen, c),
            };

            if let Some(next_state) = next_state {
                self.states.push(next_state);
            }
        }
    }
}

pub enum State {
    Threads(Threads),
}