use winit::{
    application::ApplicationHandler,
    event::WindowEvent,
    event_loop::{ActiveEventLoop, EventLoop},
    window::{Window, WindowId},
};

use super::Client;

#[derive(Default)]
pub struct App {
    client: Option<Client>,
}

impl App {
    pub fn run() {
        let event_loop = EventLoop::new().unwrap();
        event_loop.run_app(&mut App::default()).unwrap();
    }
}

impl ApplicationHandler for App {
    fn resumed(&mut self, event_loop: &ActiveEventLoop) {
        if self.client.is_none() {
            let window = event_loop
                .create_window(Window::default_attributes())
                .unwrap();
            let client = Client::new(window.into());
            self.client = Some(client);
        }
    }

    fn window_event(&mut self, event_loop: &ActiveEventLoop, _id: WindowId, event: WindowEvent) {
        self.client.as_mut().unwrap().event(event, event_loop);
    }
}