use bevy::prelude::*;

mod assets;
mod camera;
mod movement;
mod player;
mod statue;

fn main() {
    let mut app = App::new();
    app.add_plugins(
        DefaultPlugins
            .set(WindowPlugin {
                primary_window: Some(Window {
                    title: "Kodo Tag".into(),
                    resolution: (800., 600.).into(),
                    ..Default::default()
                }),
                ..Default::default()
            })
            .set(ImagePlugin::default_nearest()),
    )
    .add_plugins((
        statue::Statue,
        camera::Camera,
        assets::AssetPlugin,
        player::Player,
        movement::Movement,
    ))
    .add_systems(Update, keyboard_input_system)
    .insert_resource(ClearColor(Color::rgb(0.3, 0., 0.5)))
    .insert_resource(AmbientLight {
        color: Color::rgb(1., 1., 1.),
        brightness: 1.,
    });

    app.run()
}

fn keyboard_input_system(
    mut query: Query<(&Handle<TextureAtlas>, &mut TextureAtlasSprite), With<player::Player>>,
    keyboard_input: Res<Input<KeyCode>>,
    mut app_exit_events: ResMut<Events<bevy::app::AppExit>>,
    texture_atlases: Res<Assets<TextureAtlas>>,
) {
    if keyboard_input.pressed(KeyCode::Escape) {
        app_exit_events.send(bevy::app::AppExit);
    } else if keyboard_input.just_pressed(KeyCode::N) {
        let (texture, mut sprite) = query.single_mut();
        let t = texture_atlases
            .get(texture)
            .expect("could not load player texture");
        if sprite.index < t.textures.len() - 1 {
            sprite.index += 1;
        } else {
            sprite.index = 0;
        }
    }
}