-module(gchess).
-compile([no_auto_import, nowarn_unused_vars]).

-export([main/0]).

-spec main() -> nil.
main() ->
    Game_actor = game:new_game_from_fen(
        <<"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQK2R w KQkq - 0 1"/utf8>>
    ),
    game:print_board(Game_actor),
    _assert_subject = game:all_legal_moves(Game_actor),
    List_of_moves = case _assert_subject of
        _ -> _assert_subject;
        _assert_fail ->
            erlang:error(#{gleam_error => let_assert,
                        message => <<"Assertion pattern match failed"/utf8>>,
                        value => _assert_fail,
                        module => <<"gchess"/utf8>>,
                        function => <<"main"/utf8>>,
                        line => 15})
    end,
    gleam@list:each(
        List_of_moves,
        fun(Move) -> gleam@io:println(move:to_string(Move)) end
    ),
    game:apply_move(
        Game_actor,
        {castle, {position, e, one}, {position, g, one}}
    ),
    game:print_board(Game_actor).