-module(render).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([render_element/1]).

-spec attributes_to_list(list(elements:html_attribute())) -> binary().
attributes_to_list(Attributes) ->
    _pipe = Attributes,
    _pipe@1 = gleam@list:map(
        _pipe,
        fun(Attr) ->
            <<<<<<<<(erlang:element(2, Attr))/binary, "="/utf8>>/binary,
                        "\""/utf8>>/binary,
                    (erlang:element(3, Attr))/binary>>/binary,
                "\""/utf8>>
        end
    ),
    gleam@string:join(_pipe@1, <<" "/utf8>>).

-spec append_if(binary(), fun(() -> boolean()), fun(() -> binary())) -> binary().
append_if(Text, Predicate, Value_func) ->
    case Predicate() of
        true ->
            gleam@string:append(Text, Value_func());

        false ->
            Text
    end.

-spec render_element(elements:html_element()) -> binary().
render_element(Element) ->
    case Element of
        {html_element, Tag, Attributes, Children} ->
            Html = begin
                _pipe = <<"<"/utf8>>,
                _pipe@1 = append_if(
                    _pipe,
                    fun() -> Tag =:= <<"html"/utf8>> end,
                    fun() -> <<"!DOCTYPE html><"/utf8>> end
                ),
                _pipe@2 = gleam@string:append(_pipe@1, Tag),
                append_if(
                    _pipe@2,
                    fun() -> erlang:length(Attributes) > 0 end,
                    fun() ->
                        <<" "/utf8, (attributes_to_list(Attributes))/binary>>
                    end
                )
            end,
            case Children of
                [] ->
                    _pipe@3 = Html,
                    gleam@string:append(_pipe@3, <<" />"/utf8>>);

                _ ->
                    Html_childen = begin
                        _pipe@4 = Children,
                        _pipe@5 = gleam@list:map(_pipe@4, fun render_element/1),
                        _pipe@6 = gleam@string:join(_pipe@5, <<""/utf8>>),
                        _pipe@7 = gleam@string:append(_pipe@6, <<"</"/utf8>>),
                        _pipe@8 = gleam@string:append(_pipe@7, Tag),
                        gleam@string:append(_pipe@8, <<">"/utf8>>)
                    end,
                    _pipe@9 = Html,
                    _pipe@10 = gleam@string:append(_pipe@9, <<">"/utf8>>),
                    gleam@string:append(_pipe@10, Html_childen)
            end;

        {text, Value} ->
            Value
    end.