use bevy::{
    input::{keyboard::KeyboardInput, mouse::MouseMotion, ButtonState},
    prelude::*,
};
fn main() {
    App::new()
        .add_plugins(DefaultPlugins)
        .add_plugins(bevy_framepace::FramepacePlugin)
        .add_systems(Startup, setup)
        .add_systems(Update, update)
        .run();
}
fn update(
    mut cube: Query<(&mut Player, &mut Transform)>,
    mut keys: EventReader<KeyboardInput>,
    mut mouse: EventReader<MouseMotion>,
    time: Res<Time>,
) {
    let mut player = cube.single_mut();
    for event in keys.read() {
        if event.key_code == KeyCode::KeyR {
            match event.state {
                ButtonState::Pressed => player.0.move_direction.y = 1.0,
                ButtonState::Released => player.0.move_direction.y = 0.0,
            }
        }
        if event.key_code == KeyCode::KeyF {
            match event.state {
                ButtonState::Pressed => player.0.move_direction.y = -1.0,
                ButtonState::Released => player.0.move_direction.y = 0.0,
            }
        }
        if event.key_code == KeyCode::KeyW {
            match event.state {
                ButtonState::Pressed => player.0.move_direction.z = -1.0,
                ButtonState::Released => player.0.move_direction.z = 0.0,
            }
        }
        if event.key_code == KeyCode::KeyS {
            match event.state {
                ButtonState::Pressed => player.0.move_direction.z = 1.0,
                ButtonState::Released => player.0.move_direction.z = 0.0,
            }
        }
        if event.key_code == KeyCode::KeyD {
            match event.state {
                ButtonState::Pressed => player.0.move_direction.x = 1.0,
                ButtonState::Released => player.0.move_direction.x = 0.0,
            }
        }
        if event.key_code == KeyCode::KeyA {
            match event.state {
                ButtonState::Pressed => player.0.move_direction.x = -1.0,
                ButtonState::Released => player.0.move_direction.x = 0.0,
            }
        }
    }
    let translation = time.delta_seconds()
        * Vec3::new(
            player.1.local_x().dot(player.0.move_direction),
            player.1.local_y().dot(player.0.move_direction),
            player.1.local_z().dot(player.0.move_direction),
        );
    player.1.translation += translation;
    // for event in mouse.read() {
    //     player
    //         .1
    //         .rotate_local_axis(time.delta_seconds() * Vec3::X, event.delta.y);
    //     player
    //         .1
    //         .rotate_local_axis(time.delta_seconds() * Vec3::Y, event.delta.x);
    // }
    player.1.set_changed();
}
fn setup(
    mut framepace: ResMut<bevy_framepace::FramepaceSettings>,
    mut commands: Commands,
    mut meshes: ResMut<Assets<Mesh>>,
    mut materials: ResMut<Assets<StandardMaterial>>,
) {
    framepace.limiter = bevy_framepace::Limiter::from_framerate(30.0);
    // circular base
    commands.spawn(PbrBundle {
        mesh: meshes.add(Circle::new(4.0)),
        material: materials.add(Color::WHITE),
        transform: Transform::from_rotation(Quat::from_rotation_x(-std::f32::consts::FRAC_PI_2)),
        ..default()
    });
    // cube
    commands.spawn(PbrBundle {
        mesh: meshes.add(Cuboid::new(1.0, 1.0, 1.0)),
        material: materials.add(Color::rgb_u8(124, 144, 255)),
        transform: Transform::from_xyz(0.0, 0.5, 0.0),
        ..default()
    });
    // light
    commands.spawn(PointLightBundle {
        point_light: PointLight {
            shadows_enabled: true,
            ..default()
        },
        transform: Transform::from_xyz(4.0, 8.0, 4.0),
        ..default()
    });
    // camera
    commands.spawn((
        Player::default(),
        Camera3dBundle {
            transform: Transform::from_xyz(-2.5, 4.5, 9.0).looking_at(Vec3::ZERO, Vec3::Y),
            ..default()
        },
    ));
}
#[derive(Default, Component)]
struct Player {
    move_direction: Vec3,
}