use bevy::{
    prelude::*,
    render::render_resource::TextureFormat,
    window::{PresentMode, WindowResolution},
};
use bevy_mod_openxr::prelude::*;
use bevy_mod_xr::session::XrSessionCreated;

use crate::vrcontrollerplugin::VrControllersPlugin;

#[derive(Component)]
pub struct Headset;

pub struct VrPlugin;

impl Plugin for VrPlugin {
    fn build(&self, app: &mut bevy::app::App) {
        app.add_plugins(
            add_xr_plugins(DefaultPlugins)
                .disable::<HandTrackingPlugin>()
                .build()
                .set(OxrInitPlugin {
                    exts: {
                        let mut exts = OxrExtensions::default();
                        exts.extx_overlay = true;
                        exts
                    },
                    ..Default::default()
                }),
        );

        app.insert_resource(ClearColor(Color::NONE))
            .insert_resource(OxrSessionConfig {
                blend_mode_preference: { vec![EnvironmentBlendMode::ALPHA_BLEND] },
                formats: Some(vec![TextureFormat::Rgba8UnormSrgb]),
                ..Default::default()
            });

        app.add_systems(XrSessionCreated, create_view_space);
    }
}

pub fn create_view_space(session: Res<OxrSession>, mut commands: Commands) {
    let space = session
        .create_reference_space(openxr::ReferenceSpaceType::VIEW, Isometry3d::IDENTITY)
        .unwrap();

    commands.spawn((Headset, space.0));
}