extern crate sdl2;

mod font;
pub mod generated;
mod render;

use std::time::{Duration, SystemTime};

use sdl2::{event::Event, keyboard::Keycode};

pub fn main() {
  let sdl_context = sdl2::init().unwrap();
  let video_subsystem = sdl_context.video().unwrap();

  let window = &mut video_subsystem
    .window("Cosin25 Invite", 512, 256)
    .position_centered()
    .build()
    .unwrap();

  let mut canvas = window.clone().into_canvas().build().unwrap();
  let texture_creator = canvas.texture_creator();
  // let uwu_font = font::UwUFont::new(&texture_creator);
  canvas.clear();
  canvas.present();
  let mut event_pump = sdl_context.event_pump().unwrap();

  // amount to incr sin_offset by per frame
  let start_time = SystemTime::now();
  'running: loop {
    let time = SystemTime::now()
      .duration_since(start_time)
      .expect("Time went back between frames");
    let time = f64::from(time.as_millis() as u32) / 1000.0;

    render::render(&mut canvas, &texture_creator, time);

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

    // The rest of the game loop goes here...
    canvas.present();
    ::std::thread::sleep(Duration::new(0, 1_000_000_000u32 / 12000));
  }
}