extern crate sdl2;

mod object;
mod ray;
mod render;
mod sphere;

use render::render;
use sdl2::event::Event;
use sdl2::keyboard::Keycode;
use sdl2::pixels::PixelFormatEnum;
use sdl2::surface::Surface;

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

    let window = video_subsystem
        .window("rust-sdl2 demo", 800, 800)
        .position_centered()
        .opengl()
        .build()
        .unwrap();
    // let surface = Surface::new(512, 512, PixelFormatEnum::RGB24).unwrap();
    let mut data = Box::new([255u8; 1_920_000]);
    // println!("{:?}", data);
    let mut canvas = window.into_canvas().build().unwrap();
    // let mut canvas = surface.into_canvas().unwrap();
    //canvas.set_draw_color(Color::RGB(0, 255, 255));
    // let surface = Surface::from_data(&mut data, 800, 600, 3, PixelFormatEnum::RGB24).unwrap();
    let texture_creator = canvas.texture_creator();
    let mut event_pump = sdl_context.event_pump().unwrap();
    // let mut i = 0;
    'running: loop {
        render(&mut *data);
        // put_pixel(
        //     &mut *data,
        //     i,
        //     i,
        //     Color {
        //         r: 0,
        //         g: 0,
        //         b: 0,
        //         a: 0,
        //     },
        // );
        // if i < 599 {
        //     i += 1;
        // }
        // canvas.set_draw_color(Color::RGB(i, 64, 255 - i));
        let surface =
            Surface::from_data(&mut *data, 800, 800, 2400, PixelFormatEnum::RGB24).unwrap();
        let texture = texture_creator
            .create_texture_from_surface(surface)
            .unwrap();
        canvas.copy(&texture, None, None).unwrap();

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