-module(gleeth@commands@storage_at).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/gleeth/commands/storage_at.gleam").
-export([execute/4]).

-file("src/gleeth/commands/storage_at.gleam", 55).
-spec interpret_storage_value(binary()) -> nil.
interpret_storage_value(Value) ->
    Is_zero = case Value of
        <<"0x0"/utf8>> ->
            true;

        <<"0x0000000000000000000000000000000000000000000000000000000000000000"/utf8>> ->
            true;

        _ ->
            gleam@string:replace(Value, <<"0"/utf8>>, <<""/utf8>>) =:= <<"0x"/utf8>>
    end,
    case Is_zero of
        true ->
            gleam_stdlib:println(
                <<"  Interpretation: Uninitialized storage (all zeros)"/utf8>>
            );

        false ->
            case gleeth@utils@hex:hex_to_int(Value) of
                {ok, Decimal_val} ->
                    gleam_stdlib:println(
                        <<"  As integer: "/utf8,
                            (erlang:integer_to_binary(Decimal_val))/binary>>
                    );

                {error, _} ->
                    nil
            end,
            case string:length(Value) >= 42 of
                true ->
                    Potential_address = <<"0x"/utf8,
                        (gleam@string:slice(
                            Value,
                            string:length(Value) - 40,
                            40
                        ))/binary>>,
                    case gleam_stdlib:string_starts_with(
                        Potential_address,
                        <<"0x000000"/utf8>>
                    ) of
                        false ->
                            gleam_stdlib:println(
                                <<"  Potential address: "/utf8,
                                    Potential_address/binary>>
                            );

                        true ->
                            nil
                    end;

                false ->
                    nil
            end,
            case Value of
                <<"0x0000000000000000000000000000000000000000000000000000000000000001"/utf8>> ->
                    gleam_stdlib:println(<<"  Possible boolean: true"/utf8>>);

                _ ->
                    nil
            end
    end.

-file("src/gleeth/commands/storage_at.gleam", 28).
-spec print_storage_info(binary(), binary(), binary(), binary()) -> nil.
print_storage_info(Address, Slot, Block, Value) ->
    gleam_stdlib:println(<<"Storage Query:"/utf8>>),
    gleam_stdlib:println(<<"  Contract: "/utf8, Address/binary>>),
    gleam_stdlib:println(<<"  Slot: "/utf8, Slot/binary>>),
    Block_display = case Block of
        <<""/utf8>> ->
            <<"latest"/utf8>>;

        _ ->
            Block
    end,
    gleam_stdlib:println(<<"  Block: "/utf8, Block_display/binary>>),
    gleam_stdlib:println(<<""/utf8>>),
    gleam_stdlib:println(<<"Storage Value:"/utf8>>),
    gleam_stdlib:println(<<"  Raw (hex): "/utf8, Value/binary>>),
    interpret_storage_value(Value),
    gleam_stdlib:println(<<""/utf8>>).

-file("src/gleeth/commands/storage_at.gleam", 11).
-spec execute(gleeth@provider:provider(), binary(), binary(), binary()) -> {ok,
        nil} |
    {error, gleeth@rpc@types:gleeth_error()}.
execute(Provider, Address, Slot, Block) ->
    gleam@result:'try'(
        gleeth@rpc@methods:get_storage_at(Provider, Address, Slot, Block),
        fun(Storage_value) ->
            print_storage_info(Address, Slot, Block, Storage_value),
            {ok, nil}
        end
    ).