use bevy::app::{App, Plugin, PostUpdate};
use bevy::asset::{Assets, Handle};
use bevy::pbr::StandardMaterial;
use bevy::prelude::{Commands, Entity, Query, ResMut};
use space_editor::prelude::EditorRegistryExt;
use crate::material::short_material::ShortMaterial;


pub mod short_material;

pub struct MaterialPlugin;
impl Plugin for MaterialPlugin {
  fn build(&self, app: &mut App) {
    app.register_type::<ShortMaterial>()
        .editor_registry::<ShortMaterial>();

    app.add_systems(PostUpdate, apply_short_materials);
  }
}

fn apply_short_materials(
  mut commands: Commands,
  q_mats: Query<(Entity, &Handle<StandardMaterial>, &ShortMaterial)>,
  mut materials: ResMut<Assets<StandardMaterial>>,
) {
  for (entity, handle, short) in q_mats.iter() {
    let Some(material) = materials.get_mut(handle) else {
      continue;
    };

    material.base_color = short.base_color;
    material.perceptual_roughness = short.perceptual_roughness;
    material.metallic = short.metallic;
    material.reflectance = short.reflectance;

    commands.entity(entity).remove::<ShortMaterial>();
  }
}