use bevy::prelude::*;
use ratatui::widgets::Paragraph;

use jong::game::hand::HandTiles;
use jong::tiles::Tile;

use crate::tui::render::tiles;

#[derive(Resource, Default)]
pub(crate) struct RenderedHand(pub(crate) Vec<Paragraph<'static>>);

pub(crate) fn render_changed_hand(
    hand: Single<&HandTiles, Changed<HandTiles>>,
    tiles: Populated<&Tile>,
    mut target: ResMut<RenderedHand>,
) -> Result {
    trace!("render_changed_hand");

    render_hand(hand, tiles, target)?;

    Ok(())
}

pub(crate) fn render_hand(
    hand: Single<&HandTiles, Changed<HandTiles>>,
    tiles: Populated<&Tile>,
    mut target: ResMut<RenderedHand>,
) -> Result {
    trace!("render_hand");

    let hand_tiles = hand
        .iter()
        .map(|inhand| -> Result<_> { Ok(tiles.get(inhand).map(tiles::draw_tile)?) })
        .collect::<Result<Vec<_>>>()?;
    target.0 = hand_tiles;

    Ok(())
}