extern crate sdl2;
mod renderer;

use crate::renderer::Renderer;
use sdl2::event::Event;
use sdl2::rect::Point;
use simplelog::*;
use std::fs::File;
use std::time::Duration;

const ROM_PATH: &'static str = "./roms/dk.nes";

const NES_WIDTH: u32 = 256;
const NES_HEIGHT: u32 = 240;
const WINDOW_SCALE: u32 = 3;
const WINDOW_WIDTH: u32 = NES_WIDTH * WINDOW_SCALE;
const WINDOW_HEIGHT: u32 = NES_HEIGHT * WINDOW_SCALE;

fn main() -> Result<(), String> {
    CombinedLogger::init(vec![
        TermLogger::new(
            LevelFilter::Info,
            Config::default(),
            TerminalMode::Mixed,
            ColorChoice::Auto,
        ),
        WriteLogger::new(
            LevelFilter::Debug,
            Config::default(),
            File::create("./logs/latest.log").unwrap(),
        ),
    ])
    .unwrap();

    let sdl_context = sdl2::init()?;
    let video_subsystem = sdl_context.video()?;

    let window = video_subsystem
        .window("NesRust", WINDOW_WIDTH, WINDOW_HEIGHT)
        .position_centered()
        .opengl()
        .build()
        .map_err(|e| e.to_string())?;

    let mut renderer = Renderer::new(window, WINDOW_SCALE)?;

    let mut event_pump = sdl_context.event_pump()?;
    'running: loop {
        for event in event_pump.poll_iter() {
            match event {
                Event::Quit { .. } => break 'running,
                _ => {}
            }
        }

        renderer.draw(&Point::new(1, 1))?;
        ::std::thread::sleep(Duration::new(0, 1_000_000_000u32 / 60));

        // Main loop
    }

    Ok(())

    // let mut window = UIWindow::new("NesRust", 800, 600, 60);
    //
    // // let mut system = System::new();
    // // system.insert_rom(ROM_PATH).expect("Failed to insert ROM");
    // loop {
    //     // system.cycle();
    //     if window.poll_events() {
    //         break;
    //     }
    //
    //     // TODO: System loop
    //
    //     window.render();
    //     window.wait();
    // }
}