use log::debug;
use spacetimedb::{ReducerContext, Table, rand::seq::SliceRandom, reducer};

use super::hand::deal_hands;
use crate::tables::*;

#[reducer]
pub fn shuffle_deal(ctx: &ReducerContext, lobby_id: u32) {
    debug!("lobby_id: {lobby_id}");
    let mut lobby = ctx.db.lobby().id().find(lobby_id).unwrap();

    if lobby.game_state == jong_types::states::GameState::Setup {
        lobby.game_state = jong_types::states::GameState::Deal;
        lobby = ctx.db.lobby().id().update(lobby);

        let tiles = new_shuffled_wall(ctx);

        ctx.db.wall().insert(DbWall {
            // id: 0,
            lobby_id,
            tiles,
        });

        deal_hands(ctx, lobby_id);

        lobby.game_state = jong_types::states::GameState::Play;
        lobby.turn_state = jong_types::states::TurnState::Tsumo;
        ctx.db.lobby().id().update(lobby);
    }
}

pub fn new_shuffled_wall(ctx: &ReducerContext) -> Vec<DbTile> {
    let mut rng = ctx.rng();
    let mut wall: Vec<_> = jong_types::tiles::tiles()
        .into_iter()
        .map(|tile| ctx.db.tile().insert(DbTile { id: 0, tile }))
        .collect();
    wall.shuffle(&mut rng);

    wall
}