use bevy::prelude::*;
use common::prelude::*;
use lightyear::prelude::input::native::*;

use bevy::input::mouse::AccumulatedMouseMotion;

use crate::input::is_cursor_grabbed;

#[derive(Resource, Deref, DerefMut, Debug)]
pub struct MouseSensitivity(Vec2);

impl Default for MouseSensitivity {
    fn default() -> Self {
        Self(Vec2::splat(0.2).map(f32::to_radians))
    }
}

pub fn plugin(app: &mut App) {
    app.init_resource::<MouseSensitivity>();
    app.add_systems(Update, update_head_orientation.run_if(is_cursor_grabbed));
}

fn update_head_orientation(
    accumulated_mouse_motion: Res<AccumulatedMouseMotion>,
    mouse_sensitivity: Res<MouseSensitivity>,
    mut orientation: Single<&mut HeadOrientation, With<InputMarker<Inputs>>>,
) {
    let delta = accumulated_mouse_motion.delta * **mouse_sensitivity;
    **orientation = orientation.update(delta);
}