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

-export([main/0]).

-spec get_cmd() -> binary().
get_cmd() ->
    _pipe = shellout_ffi:start_arguments(),
    _pipe@1 = gleam@list:filter(
        _pipe,
        fun(A) -> not gleam@string:ends_with(A, <<".js"/utf8>>) end
    ),
    _pipe@2 = gleam@list:filter(
        _pipe@1,
        fun(A@1) -> not gleam@string:ends_with(A@1, <<".mjs"/utf8>>) end
    ),
    _pipe@3 = gleam@list:filter(
        _pipe@2,
        fun(A@2) -> not gleam@string:ends_with(A@2, <<".cjs"/utf8>>) end
    ),
    _pipe@4 = gleam@list:last(_pipe@3),
    gleam@result:unwrap(_pipe@4, <<""/utf8>>).

-spec main() -> {ok, nil} | {error, cactus@errors:cactus_err()}.
main() ->
    gleam@result:map(
        cactus@errors:as_fs_err(simplifile:current_directory(), <<"."/utf8>>),
        fun(Pwd) ->
            Gleam_toml = filepath:join(Pwd, <<"gleam.toml"/utf8>>),
            Hooks_dir = begin
                _pipe = Pwd,
                _pipe@1 = filepath:join(_pipe, <<".git"/utf8>>),
                filepath:join(_pipe@1, <<"hooks"/utf8>>)
            end,
            Cmd = get_cmd(),
            Res = case Cmd of
                <<""/utf8>> ->
                    cactus@write:init(Hooks_dir, Gleam_toml);

                <<"init"/utf8>> ->
                    cactus@write:init(Hooks_dir, Gleam_toml);

                Arg ->
                    case gleam@list:contains(
                        [<<"applypatch-msg"/utf8>>,
                            <<"commit-msg"/utf8>>,
                            <<"fsmonitor-watchman"/utf8>>,
                            <<"post-update"/utf8>>,
                            <<"pre-applypatch"/utf8>>,
                            <<"pre-commit"/utf8>>,
                            <<"pre-merge-commit"/utf8>>,
                            <<"prepare-commit-msg"/utf8>>,
                            <<"pre-push"/utf8>>,
                            <<"pre-rebase"/utf8>>,
                            <<"pre-receive"/utf8>>,
                            <<"push-to-checkout"/utf8>>,
                            <<"update"/utf8>>],
                        Arg
                    ) of
                        true ->
                            cactus@run:run(Gleam_toml, Arg);

                        false ->
                            {error, {cli_err, Arg}}
                    end
            end,
            case Res of
                {ok, _} ->
                    nil;

                {error, Reason} ->
                    gleam@io:println_error(
                        <<<<<<"'"/utf8, Cmd/binary>>/binary,
                                "' hook failed. Reason: "/utf8>>/binary,
                            (cactus@errors:str(Reason))/binary>>
                    ),
                    shellout_ffi:os_exit(1)
            end
        end
    ).