extern crate rand;
extern crate sdl2;

mod caster;
use caster::Caster;

use sdl2::event::Event;
use sdl2::keyboard::Keycode;

use std::error::Error;
use std::time::Duration;

pub fn run() -> Result<(), Box<dyn Error>> {
    let sdl_context = sdl2::init()?;
    let video_subsystem = sdl_context.video()?;

    let mut caster = Caster::init(&video_subsystem, "Vash Caster", 800, 600)?;

    let mut event_pump = sdl_context.event_pump()?;

    'running: loop {
        for event in event_pump.poll_iter() {
            match event {
                Event::Quit { .. }
                | Event::KeyDown {
                    keycode: Some(Keycode::Escape),
                    ..
                } => break 'running,
                _ => {}
            }
        }

        caster.update()?;

        ::std::thread::sleep(Duration::new(0, 1_000_000_000u32 / 144));
    }

    Ok(())
}