use std::collections::HashMap;

use galactica_gameobject::GameShipHandle;
use rapier2d::dynamics::{RigidBodyHandle, RigidBodySet};

use super::ShipBehavior;
use crate::{
	objects::{ShipControls, ShipWorldObject},
	StepResources,
};

/// The Null behaviors is assigned to objects that are not controlled by the computer.
/// Most notably, the player's ship has a Null behavior.
pub struct Null {}

impl Null {
	/// Create a new ship controller
	pub fn new() -> Self {
		Self {}
	}
}

impl ShipBehavior for Null {
	fn update_controls(
		&mut self,
		_res: &StepResources,
		_rigid_bodies: &RigidBodySet,
		_ships: &HashMap<GameShipHandle, ShipWorldObject>,
		_this_ship: RigidBodyHandle,
		_this_data: GameShipHandle,
	) -> ShipControls {
		ShipControls::new()
	}
}