mod threads;

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

pub use threads::Threads;

pub struct Client {
    buffers: Vec<Buffer>,
}

impl Client {
    pub fn new(initial_buffer: Buffer) -> Self {
        Self {
            buffers: vec![initial_buffer],
        }
    }

    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.buffers.pop().unwrap();
                    if self.buffers.is_empty() {
                        break;
                    }
                },
                _ => ()
            }

            let next_buffer = match self.buffers.last_mut().unwrap() {
                Buffer::Threads(s) => s.tick(&mut screen, c),
            };

            if let Some(next_buffer) = next_buffer {
                self.buffers.push(next_buffer);
            }
        }
    }
}

pub enum Buffer {
    Threads(Threads),
}

impl Buffer {
    pub fn name(&self) -> String {
        match self {
            Buffer::Threads(t) => t.name(),
        }
    }
}