-module(admin_handler_users_tests).
-include_lib("eunit/include/eunit.hrl").
-include("records.hrl").

setup() ->
  mnesia:start(),
  mnesia:create_table(user, [{attributes, record_info(fields, user)}, {ram_copies, [node()]}]),
  ok.

cleanup(_) ->
  mnesia:delete_table(user),
  mnesia:stop(),
  ok.

admin_users_test_() ->
  {foreach,
    fun setup/0,
    fun cleanup/1,
    [
      {"User to JSON conversion", fun test_user_to_json/0},
      {"Is admin check", fun test_is_admin/0}
    ]}.

create_test_user(Role) ->
  UserId = base64:encode(crypto:strong_rand_bytes(16), #{mode => urlsafe, padding => false}),
  User = #user{id = UserId, email = <<UserId/binary, "@test.com">>, password_hash = <<"hash">>,
    role = Role, status = active, created_at = calendar:universal_time(), updated_at = calendar:universal_time()},
  mnesia:dirty_write(User),
  UserId.

test_user_to_json() ->
  UserId = create_test_user(user),
  {ok, User} = core_user:get_by_id(UserId),
  Json = admin_handler_user_by_id:user_to_json(User),
  ?assert(is_map(Json)),
  ?assertEqual(UserId, maps:get(id, Json)),
  ?assertEqual(user, maps:get(role, Json)),
  ?assertEqual(active, maps:get(status, Json)).

test_is_admin() ->
  AdminId = create_test_user(admin),
  UserId = create_test_user(user),
  ?assert(admin_handler_stats:is_admin(AdminId)),
  ?assertNot(admin_handler_stats:is_admin(UserId)),
  ?assertNot(admin_handler_stats:is_admin(<<"nonexistent">>)).