extern crate glium;
extern crate model_converter;

use glium::Display;
use glium::glutin;
use glium::glutin::{
    EventsLoop,
    WindowBuilder,
};

use glium::glutin::Event;
use glium::glutin::WindowEvent;
use glium::glutin::VirtualKeyCode;

use model_converter::parser::{parse, parse_into_model};
use model_converter::renderer::Renderer;
use model_converter::renderer::camera::RotatingCamera;

fn main() {

    let mut model = parse("./assets/models/toonlink/link.mtl").unwrap();
    parse_into_model("./assets/models/toonlink/link.obj", &mut model).unwrap();

    let mut events_loop = EventsLoop::new();
    let window = WindowBuilder::new();
    let context = glutin::ContextBuilder::new().with_depth_buffer(24);
    let display = Display::new(window, context, &events_loop).unwrap();

    let mut closed = false;

    let mut renderer = Renderer::new(display);
    renderer.add_model(&model);

    let mut camera = RotatingCamera::new(50.0);

    while !closed {

        camera.increase_theta(0.025);

        let mut target = renderer.draw();
        renderer.render(&camera, &mut target);

        target.finish().unwrap();

        events_loop.poll_events(|ev| {
            match ev {
                // Close window
                Event::WindowEvent {
                    event: WindowEvent::Closed, ..
                } => closed = true,

                // Escape key
                Event::WindowEvent {
                    event: WindowEvent::KeyboardInput {
                        input: glutin::KeyboardInput {
                            virtual_keycode: Some(VirtualKeyCode::Escape), ..
                        }, ..
                    }, ..
                } => closed = true,

                _ => (),
            }
        });
    }
}