use bevy::ecs::system::SystemParam;
use bevy::prelude::*;
use bevy_ratatui::RatatuiContext;
use ratatui::widgets::Paragraph;

use jong::{
    game::{
        player::{Hand, HandTiles},
        wall::{Wall, WallTiles},
    },
    tiles::Tile,
};

mod tiles;

#[derive(Component)]
pub(crate) struct RenderedHand<'a>(Vec<Paragraph<'a>>);

pub(crate) fn render_changed_hand(
    hand: Single<&HandTiles, Changed<HandTiles>>,
    // hand_tiles: Query<&HandTiles, With<Hand>>,
    tiles: Query<&Tile>,
    mut target: Single<&'static mut RenderedHand>,
) -> Result {
    let hand_tiles = hand
        .iter()
        .map(|inhand| -> Result<_> { Ok(tiles.get(inhand).map(tiles::draw_tile)?) })
        .collect::<Result<Vec<_>>>()?;

    target.0 = hand_tiles;

    Ok(())
}

pub(crate) fn draw_ingame(
    // tiles: Query<&Tile>,
    // wall_tiles: Option<Single<&WallTiles, With<Wall>>>,
    // hand_tiles: Query<&HandTiles, With<Hand>>,
    rendered_hand: Single<&'static RenderedHand>,
    mut tui_ctx: ResMut<RatatuiContext>,
) -> Result {
    use ratatui::layout::Flex;
    use ratatui::prelude::*;

    // let title = ratatui::text::Text::raw("tiny riichi");

    // let wall = if let Some(wall_tiles) = wall_tiles {
    //     let wall_tiles = wall_tiles
    //         .iter()
    //         .map(|inwall| -> Result<_> { Ok(tiles.get(inwall).map(tiles::draw_tile)?) })
    //         .collect::<Result<Vec<_>>>()?;

    //     // let paragraph = Paragraph::new(wall.join(", ")).wrap(ratatui::widgets::Wrap { trim: true });
    //     Some(wall_tiles)
    // } else {
    //     None
    // };

    tui_ctx.draw(|frame| {
        // frame.render_widget(title, frame.area());
        debug!("{}", frame.area());

        // if let Some(wall) = wall {
        //     // let tile_area = Rect::new(0, 0, 5, 4);
        let layout = Layout::horizontal(vec![Constraint::Max(5); 13]).flex(Flex::Start);
        let mut area = frame.area();
        area.height = 4;
        let areas = layout.areas::<13>(area);
        for (tile, area) in rendered_hand.0.iter().zip(areas.iter()) {
            frame.render_widget(tile, *area);
        }

        //     // debug!("wall.len(): {}, areas.len(): {}", wall.len(), areas.len());
        //     for (tile, rect) in wall.iter().zip(areas.iter()) {
        //         // debug!("{rect:?}");
        //         frame.render_widget(tile, *rect);
        //     }
        // }
    })?;

    Ok(())
}