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

-export([from_fen/1]).

-spec from_fen(binary()) -> board:board_bb().
from_fen(Fen) ->
    Fen_string_parts = gleam@string:split(Fen, <<" "/utf8>>),
    Parsed_board@1 = case gleam@list:length(Fen_string_parts) =:= 6 of
        false ->
            erlang:error(#{gleam_error => panic,
                    message => <<"Invalid FEN string"/utf8>>,
                    module => <<"board_map"/utf8>>,
                    function => <<"from_fen"/utf8>>,
                    line => 18});

        true ->
            [Board_string | _] = Fen_string_parts,
            Parsed_board = fen:parse_board(Board_string),
            Parsed_board
    end,
    Parsed_board@1.