-module(howdy@static_resource).
-compile(no_auto_import).

-export([get_file_contents/1, get_spa_file_contents/1]).

-spec get_file_contents(binary()) -> fun((howdy@context:context(any())) -> gleam@http@response:response(gleam@bit_builder:bit_builder())).
get_file_contents(File_path) ->
    fun(Context) ->
        Full_path_result = get_wildcard_segment_url(
            erlang:element(2, Context),
            File_path
        ),
        case Full_path_result of
            {ok, Full_path} ->
                case filelib:is_file(Full_path) of
                    true ->
                        case gleam@erlang@file:read_bits(Full_path) of
                            {ok, File_contents} ->
                                _pipe = howdy@response:of_bit_string(
                                    File_contents
                                ),
                                howdy@response:with_content_type(
                                    _pipe,
                                    howdy@mime:from_path(Full_path)
                                );

                            {error, _@1} ->
                                howdy@response:of_internal_error(
                                    <<"Fatal error"/utf8>>
                                )
                        end;

                    false ->
                        howdy@response:of_not_found(<<"File not found"/utf8>>)
                end;

            {error, _@2} ->
                howdy@response:of_not_found(<<"File not found"/utf8>>)
        end
    end.

-spec get_spa_file_contents(binary()) -> fun((howdy@context:context(any())) -> gleam@http@response:response(gleam@bit_builder:bit_builder())).
get_spa_file_contents(File_path) ->
    fun(_) -> case filelib:is_file(File_path) of
            true ->
                case gleam@erlang@file:read_bits(File_path) of
                    {ok, File_contents} ->
                        _pipe = howdy@response:of_bit_string(File_contents),
                        howdy@response:with_content_type(
                            _pipe,
                            howdy@mime:from_path(File_path)
                        );

                    {error, _@1} ->
                        howdy@response:of_internal_error(<<"Fatal error"/utf8>>)
                end;

            false ->
                howdy@response:of_not_found(<<"File not found"/utf8>>)
        end end.

-spec get_wildcard_segment_url(list(howdy@url_parser:url_segment()), binary()) -> {ok,
                                                                                   binary()} |
    {error, nil}.
get_wildcard_segment_url(Segments, Root) ->
    case gleam@list:last(Segments) of
        {error, _try} -> {error, _try};
        {ok, Segment} ->
            case Segment of
                {wildcard_segment, _@1, _@2, Url} ->
                    {ok, join_paths(Root, Url)};

                _@3 ->
                    {error, nil}
            end
    end.

-spec join_paths(binary(), binary()) -> binary().
join_paths(Root, Path) ->
    Modified_path = gleam@string:replace(Path, <<"\\"/utf8>>, <<"/"/utf8>>),
    case {gleam@string:ends_with(Root, <<"/"/utf8>>),
          gleam@string:starts_with(Modified_path, <<"/"/utf8>>)} of
        {true, true} ->
            gleam@string:concat(
                [Root, gleam@string:drop_left(Modified_path, 1)]
            );

        {false, false} ->
            gleam@string:concat([Root, <<"/"/utf8>>, Modified_path]);

        {_@1, _@2} ->
            gleam@string:concat([Root, Modified_path])
    end.