//! Use the [`MaxN`] algorithm for all players in a 3-player dots & boxes game.

use ncpig::prelude::*;
use ncpig_testing::dots_and_boxes::*;

fn main() -> anyhow::Result<()> {
    env_logger::init();
    let game: DotsAndBoxes<3, 5, 5> = DotsAndBoxes::new([
        DotsAndBoxesPlayer::Red,
        DotsAndBoxesPlayer::Blue,
        DotsAndBoxesPlayer::Green,
    ]);
    let mut state = DotsAndBoxesState::default();
    let search = MaxN::builder().pruning(game.n_boxes()).max_depth(3).build();
    while !game.is_complete(&state)? {
        log::info!("choosing action for {}", game.active_player(&state)?);
        let action = search.choose_action(&game, &state)?.unwrap();
        state = game.do_action(&action, state)?;
        println!("{}\n", state);
    }
    for player in game.players() {
        println!("{player}: {}", game.score(player, &state)?)
    }
    Ok(())
}