-module(parrot@internal@project).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([root/0, version/0, src/0]).

-if(?OTP_RELEASE >= 27).
-define(MODULEDOC(Str), -moduledoc(Str)).
-define(DOC(Str), -doc(Str)).
-else.
-define(MODULEDOC(Str), -compile([])).
-define(DOC(Str), -compile([])).
-endif.

?MODULEDOC(false).

-file("src/parrot/internal/project.gleam", 27).
?DOC(false).
-spec find_root(binary()) -> binary().
find_root(Path) ->
    Toml = filepath:join(Path, <<"gleam.toml"/utf8>>),
    case simplifile_erl:is_file(Toml) of
        {ok, false} ->
            find_root(filepath:join(<<".."/utf8>>, Path));

        {error, _} ->
            find_root(filepath:join(<<".."/utf8>>, Path));

        {ok, true} ->
            Path
    end.

-file("src/parrot/internal/project.gleam", 19).
?DOC(false).
-spec root() -> binary().
root() ->
    find_root(<<"."/utf8>>).

-file("src/parrot/internal/project.gleam", 10).
?DOC(false).
-spec version() -> {ok, binary()} | {error, nil}.
version() ->
    Configuration_path = filepath:join(root(), <<"gleam.toml"/utf8>>),
    parrot@internal@lib:try_nil(
        simplifile:read(Configuration_path),
        fun(Configuration) ->
            parrot@internal@lib:try_nil(
                tom:parse(Configuration),
                fun(Toml) ->
                    parrot@internal@lib:try_nil(
                        tom:get_string(Toml, [<<"version"/utf8>>]),
                        fun(Name) -> {ok, Name} end
                    )
                end
            )
        end
    ).

-file("src/parrot/internal/project.gleam", 23).
?DOC(false).
-spec src() -> binary().
src() ->
    filepath:join(root(), <<"src"/utf8>>).