-module(url_join@query).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/url_join/query.gleam").
-export([normalize/1]).

-file("src/url_join/query.gleam", 40).
-spec split_query_parts(binary()) -> list(binary()).
split_query_parts(S) ->
    _pipe = gleam@string:replace(S, <<"?"/utf8>>, <<"&"/utf8>>),
    _pipe@1 = gleam@string:split(_pipe, <<"&"/utf8>>),
    gleam@list:filter(_pipe@1, fun(X) -> not gleam@string:is_empty(X) end).

-file("src/url_join/query.gleam", 13).
-spec normalize_params(binary()) -> binary().
normalize_params(S) ->
    case gleam@string:split_once(S, <<"#"/utf8>>) of
        {ok, {Before_hash, After_hash}} ->
            Hash_suffix = case gleam@string:is_empty(After_hash) of
                true ->
                    <<""/utf8>>;

                false ->
                    <<"#"/utf8, After_hash/binary>>
            end,
            Parts = split_query_parts(Before_hash),
            case Parts of
                [] ->
                    S;

                [Path] ->
                    <<Path/binary, Hash_suffix/binary>>;

                [Path@1 | Params] ->
                    <<<<<<Path@1/binary, "?"/utf8>>/binary,
                            (gleam@string:join(Params, <<"&"/utf8>>))/binary>>/binary,
                        Hash_suffix/binary>>
            end;

        {error, _} ->
            Parts@1 = split_query_parts(S),
            case Parts@1 of
                [] ->
                    S;

                [Path@2] ->
                    Path@2;

                [Path@3 | Params@1] ->
                    <<<<Path@3/binary, "?"/utf8>>/binary,
                        (gleam@string:join(Params@1, <<"&"/utf8>>))/binary>>
            end
    end.

-file("src/url_join/query.gleam", 4).
-spec normalize(binary()) -> binary().
normalize(S) ->
    No_slash_before_special = gleam@string:replace(
        S,
        <<"/?"/utf8>>,
        <<"?"/utf8>>
    ),
    No_slash_before_hash = gleam@string:replace(
        No_slash_before_special,
        <<"/#"/utf8>>,
        <<"#"/utf8>>
    ),
    No_slash_before_amp = gleam@string:replace(
        No_slash_before_hash,
        <<"/&"/utf8>>,
        <<"&"/utf8>>
    ),
    normalize_params(No_slash_before_amp).