/*
 * This file is part of laurelin/api
 * Copyright (C) 2023 Jonni Liljamo <jonni@liljamo.com>
 *
 * Licensed under GPL-3.0-only.
 * See LICENSE for licensing information.
 */

use diesel::{ExpressionMethods, PgConnection, QueryDsl, RunQueryDsl};
use laurelin_schema::schema::games;
use laurelin_shared::{
    error::api::APIError,
    types::game::{Game, GAMESTATE_FORMING},
};

pub(crate) fn all_forming(conn: &mut PgConnection) -> Result<Vec<String>, APIError> {
    let games_res = games::table
        .filter(games::state.eq(GAMESTATE_FORMING))
        .load::<Game>(conn);

    let games = match games_res {
        Err(_) => return Err(APIError::Undefined), // TODO: new error type
        Ok(games) => games,
    };

    let mut ids = Vec::with_capacity(games.len());
    for game in &games {
        ids.push(game.id.to_string());
    }

    Ok(ids)
}