use bevy::input::mouse::MouseMotion;
use games::*;

fn main() {
    App::new()
        .init_resource::<Thing>()
        .add_plugins(BaseGamePlugin { camera: CameraType::Camera3d })
        .add_systems(Startup, init_ui)
        .add_systems(Update, (
            sync_resource_to_ui::<Thing>.run_if(resource_changed::<Thing>),
            update_foo.run_if(on_event::<MouseMotion>)
        ))
        .run();
}

#[derive(Resource, Debug, Default)]
struct Thing(u8);

impl Display for Thing {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        write!(f, "{}", self.0)
    }
}

fn init_ui(
    mut commands: Commands
) {
    commands.spawn((
            Node {
                align_self: AlignSelf::Start,
                justify_self: JustifySelf::Center,
                ..default()
            },
            Text("Displays a sync'd resource tracking the number of mouse events (mod 256)".into()),
            ));
    commands.spawn((Node {
        align_self: AlignSelf::Center,
        justify_self: JustifySelf::Center,
        ..default()
    }, Text("Placeholder".into()), SyncResource::<Thing>::default()));
}

fn update_foo(
    mut events: EventReader<MouseMotion>,
    mut thing: ResMut<Thing>,
) {
    events.read().for_each(|_| {
        thing.0 = thing.0.overflowing_add(1).0;
    });
}