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

-export([object_repr/1, print/1]).

-spec datatype_repr(dtype:gloom_type()) -> binary().
datatype_repr(Datatype) ->
    case Datatype of
        number ->
            <<"number"/utf8>>;

        string ->
            <<"string"/utf8>>;

        table ->
            <<"table"/utf8>>
    end.

-spec affinity_repr(affinity:gloom_affinity()) -> binary().
affinity_repr(Affinity) ->
    case Affinity of
        nothing ->
            <<"Nothing"/utf8>>;

        everything ->
            <<"Everything"/utf8>>;

        something ->
            <<"Something"/utf8>>
    end.

-spec value_repr(gleam_value:gleam_value()) -> binary().
value_repr(Gloom_value) ->
    case Gloom_value of
        {int_value, Value} ->
            gleam@int:to_string(Value);

        {float_value, Value@1} ->
            gleam@float:to_string(Value@1);

        {string_value, Value@2} ->
            <<<<"'"/utf8, Value@2/binary>>/binary, "'"/utf8>>;

        {map_value, Value@3} ->
            gloom_table_list_repr(Value@3);

        {object_value, Value@4} ->
            object_repr(Value@4)
    end.

-spec gloom_table_list_repr(
    gleam@map:map_(gleam_value:gleam_value(), gleam_value:gleam_value())
) -> binary().
gloom_table_list_repr(Table) ->
    Key_value_repr = fun(Item) ->
        {Key, Value} = Item,
        _pipe = gleam@string_builder:from_string(value_repr(Key)),
        _pipe@1 = gleam@string_builder:append(_pipe, <<" =>"/utf8>>),
        _pipe@2 = gleam@string_builder:append(_pipe@1, value_repr(Value)),
        gleam@string_builder:append(_pipe@2, <<"\n"/utf8>>)
    end,
    _pipe@3 = Table,
    _pipe@4 = gleam@map:to_list(_pipe@3),
    _pipe@5 = gleam@list:map(_pipe@4, Key_value_repr),
    _pipe@6 = gleam@string_builder:concat(_pipe@5),
    gleam@string_builder:to_string(_pipe@6).

-spec object_repr(gleam_value:gloom_object()) -> binary().
object_repr(Object) ->
    case erlang:element(3, Object) of
        table ->
            Len = gleam_value:length(erlang:element(5, Object)),
            Header_template = <<"\n({affinity} {datatype} containing {length} elements):\n \n {value}"/utf8>>,
            template:template_replace_all(
                Header_template,
                gleam@map:from_list(
                    [{<<"value"/utf8>>, value_repr(erlang:element(5, Object))},
                        {<<"datatype"/utf8>>,
                            datatype_repr(erlang:element(3, Object))},
                        {<<"affinity"/utf8>>,
                            affinity_repr(erlang:element(4, Object))},
                        {<<"length"/utf8>>, gleam@int:to_string(Len)}]
                )
            );

        _ ->
            Header_template@1 = <<"\t{value}:{affinity} "/utf8>>,
            template:template_replace_all(
                Header_template@1,
                gleam@map:from_list(
                    [{<<"value"/utf8>>, value_repr(erlang:element(5, Object))},
                        {<<"datatype"/utf8>>,
                            datatype_repr(erlang:element(3, Object))},
                        {<<"affinity"/utf8>>,
                            affinity_repr(erlang:element(4, Object))}]
                )
            )
    end.

-spec print(gleam_value:gloom_object()) -> nil.
print(Object) ->
    _pipe = Object,
    _pipe@1 = object_repr(_pipe),
    gleam@io:println(_pipe@1).