use bevy::prelude::*;
use bevy_rapier2d::prelude::AdditionalMassProperties;
use crate::config::planet::Planet;

pub fn incoming_planets_plugin(app: &mut App) {
    app.add_systems(Update, (handle_incoming_planets, handle_updated_planets));
}


fn handle_incoming_planets(mut commands: Commands, mut new_planets: Query<(Entity, &Planet), Added<Planet>>, asset_server: Res<AssetServer>) {
    for (new_entity, new_planet) in new_planets.iter() {
        let mut sprite = Sprite::from_image(asset_server.load(&new_planet.sprite));
        sprite.custom_size = Some(Vec2::new(new_planet.radius*2.0, new_planet.radius*2.0));

        commands.entity(new_entity)
            .insert(sprite)
            .insert(AdditionalMassProperties::Mass(new_planet.mass));
        info!(?new_planet, "prepared new planet");
    }
}
fn handle_updated_planets(mut commands: Commands, mut updated_planets: Query<(Entity, &Planet), Changed<Planet>>, asset_server: Res<AssetServer>) {
    for (updated_entity, updated_planet) in updated_planets.iter() {
        let mut sprite = Sprite::from_image(asset_server.load(&updated_planet.sprite));
        sprite.custom_size = Some(Vec2::new(updated_planet.radius*2.0, updated_planet.radius*2.0));

        commands.entity(updated_entity)
            .remove::<Sprite>()
            .remove::<AdditionalMassProperties>()
            .insert(sprite)
            .insert(AdditionalMassProperties::Mass(updated_planet.mass));
        info!(?updated_planet, "updated planet");
    }
}