-module(testcontainer@internal@config).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/testcontainer/internal/config.gleam").
-export([parse_pull_policy/1, load/0]).
-export_type([pull_policy/0, registry_auth/0, config/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).

-type pull_policy() :: always | if_missing | never.

-type registry_auth() :: {registry_auth, binary(), cowl:secret(binary())}.

-type config() :: {config,
        binary(),
        boolean(),
        pull_policy(),
        gleam@option:option(binary()),
        gleam@option:option(registry_auth()),
        integer()}.

-file("src/testcontainer/internal/config.gleam", 38).
?DOC(false).
-spec parse_pull_policy(binary()) -> pull_policy().
parse_pull_policy(Value) ->
    case string:lowercase(Value) of
        <<"always"/utf8>> ->
            always;

        <<"never"/utf8>> ->
            never;

        _ ->
            if_missing
    end.

-file("src/testcontainer/internal/config.gleam", 48).
?DOC(false).
-spec load() -> config().
load() ->
    Docker_host = envie:get_string(
        <<"DOCKER_HOST"/utf8>>,
        <<"unix:///var/run/docker.sock"/utf8>>
    ),
    Keep = envie:get_bool(<<"TESTCONTAINERS_KEEP"/utf8>>, false),
    Pull_policy = parse_pull_policy(
        envie:get_string(
            <<"TESTCONTAINERS_PULL_POLICY"/utf8>>,
            <<"missing"/utf8>>
        )
    ),
    Host_override = case envie:get_string(
        <<"TESTCONTAINERS_HOST_OVERRIDE"/utf8>>,
        <<""/utf8>>
    ) of
        <<""/utf8>> ->
            none;

        H ->
            {some, H}
    end,
    Registry_auth = case {envie:get_string(
            <<"TESTCONTAINERS_REGISTRY_USER"/utf8>>,
            <<""/utf8>>
        ),
        envie:get_string(
            <<"TESTCONTAINERS_REGISTRY_PASSWORD"/utf8>>,
            <<""/utf8>>
        )} of
        {<<""/utf8>>, _} ->
            none;

        {_, <<""/utf8>>} ->
            none;

        {User, Pass} ->
            {some, {registry_auth, User, cowl:secret(Pass)}}
    end,
    Stop_timeout_sec = envie:get_int(<<"TESTCONTAINERS_STOP_TIMEOUT"/utf8>>, 10),
    {config,
        Docker_host,
        Keep,
        Pull_policy,
        Host_override,
        Registry_auth,
        Stop_timeout_sec}.