use std::sync::Arc;

use bevy_app::App;
use bevy_ecs::world::World;
use winit::{
    application::ApplicationHandler, event::WindowEvent, event_loop::ActiveEventLoop,
    window::WindowId,
};

use super::{config::WindowConfig, raw_handle::WindowWrapper};

pub struct WindowState {
    app: App,
}

impl WindowState {
    pub fn new(app: App) -> Self {
        Self { app }
    }

    fn world(&self) -> &World {
        self.app.world()
    }
}

impl ApplicationHandler for WindowState {
    fn resumed(&mut self, event_loop: &ActiveEventLoop) {
        let window_config = self.world().get_resource::<WindowConfig>().unwrap();

        let window = event_loop.create_window(window_config.into()).unwrap();
        self.app
            .world_mut()
            .insert_resource(WindowWrapper(Arc::new(window)));
    }

    fn window_event(&mut self, event_loop: &ActiveEventLoop, _id: WindowId, event: WindowEvent) {
        match event {
            WindowEvent::CloseRequested => {
                log::debug!("The close button was pressed; stopping");
                event_loop.exit();
            }
            _ => {}
        }
    }
}