/// Эксперименты в ходе прохождения туториала:
/// https://github.com/fogarecious/bevy_tutorial
use bevy::{prelude::*, winit::WinitSettings};
use tracing::Level;

fn main() {
    App::new()
        // .add_plugins(MinimalPlugins)
        .add_plugins(
            DefaultPlugins
                .build()
                .set(bevy::log::LogPlugin {
                    level: Level::INFO,
                    filter: "wgpu_hal=warn,bevy_learning=trace".to_string(),
                    // fmt_layer: |_| snake_game::define_log_layer(),
                    ..Default::default()
                })
                .set(TaskPoolPlugin {
                    task_pool_options: TaskPoolOptions::with_num_threads(1),
                }),
        )
        .insert_resource(WinitSettings::desktop_app())
        .insert_resource(ClearColor(Color::srgb(0.3, 0.6, 0.8)))
        .add_systems(Startup, setup)
        .add_systems(PostStartup, (print_all_entities, inspect))
        .run();
}

fn setup(mut commands: Commands, _window: Query<&Window>, _world: &World) {
    let _window = _window.single().unwrap();

    let _root = commands
        .spawn((
            Sprite::from_color(Color::srgb(1., 1., 1.), Vec2::new(100., 100.)),
            Transform {
                translation: vec3(0., 0., 0.),
                // scale: Vec3::new(1., 1., 1.),
                ..Default::default()
            },
        ))
        .id();
    let _red = commands
        .spawn((
            Sprite::from_color(Color::srgb(1., 0., 0.), Vec2::new(30., 30.)),
            Transform {
                translation: vec3(-20., 30., 0.),
                ..Default::default()
            },
            ChildOf(_root),
        ))
        .id();
    let _blue = commands
        .spawn((
            Sprite::from_color(Color::srgb(0., 0., 1.), Vec2::new(20., 20.)),
            Transform {
                translation: vec3(20., 30., 0.),
                ..Default::default()
            },
            ChildOf(_root),
        ))
        .id();

    commands.spawn(Camera2d);
}

fn print_all_entities(mut commands: Commands, query: Query<Entity>) {
    for entity in query {
        commands.entity(entity).log_components();
    }
}

fn inspect(mut _commands: Commands, _query: Query<Entity>) {}