use crate::prelude::*;

use crate::client::colors;
use crate::client::components::{FuelText, MainCamera, PowerText};
use crate::client::rendering::setup_graphics;
use crate::shared::ecs::{Player, PlayerStorage, MAIN_LAYER};

pub fn ui_plugin(app: &mut App) {
    app.add_systems(Startup, setup_ui.after(setup_graphics))
        .add_systems(Update, update_ui);
}

fn setup_ui(camera: Single<Entity, (With<MainCamera>, With<Camera>)>, mut commands: Commands) {
    let ui_id = commands.spawn((
        UiTargetCamera(camera.into_inner()),
        Node {
            width: Val::Percent(100.0),
            height: Val::Percent(100.0),
            ..Default::default()
        },
        Transform::from_xyz(0.0, 0.0, 25.0),
        MAIN_LAYER,
        children![(
            Node {
                display: Display::Flex,
                position_type: PositionType::Absolute,
                width: Val::Px(200.0),
                height: Val::Px(150.0),
                top: Val::Px(5.0),
                right: Val::Px(5.0),
                border_radius: BorderRadius::all(Val::Px(5.0)),
                ..Default::default()
            },
            MAIN_LAYER,
            BackgroundColor(colors::MANTLE),
            children![
                (TextColor(colors::PEACH), Text::new("Fuel: 25"), FuelText,),
                (TextColor(colors::PEACH), Text::new("Power: 25"), PowerText,),
            ],
        )],
        Visibility::Visible
    )).id();
    debug!(?ui_id, "spawned ui component");
}

fn update_ui(
    mut fuel_text: Single<&mut Text, With<FuelText>>,
    mut power_text: Single<&mut Text, (With<PowerText>, Without<FuelText>)>,
    player: Single<&PlayerStorage, (With<Player>, Without<PowerText>)>,
) {
    fuel_text.0 = format!("Fuel: {}/{}", player.fuel, player.fuel_capacity);
    power_text.0 = format!("Power: {}/{}", player.power, player.power_capacity);
}