%%%-------------------------------------------------------------------
%%% @doc Тесты клиентского API для отзывов.
%%%
%%% Покрывает эндпоинты:
%%%   POST /v1/reviews
%%%   GET  /v1/reviews
%%%
%%% Проверяет:
%%%   - создание отзыва участником подтверждённого бронирования
%%%   - ошибку при повторном отзыве на ту же цель
%%%   - ошибку при отзыве без участия (403)
%%%   - получение списка отзывов для цели
%%% @end
%%%-------------------------------------------------------------------
-module(user_reviews_tests).
-include_lib("eunit/include/eunit.hrl").

-export([test/0]).

%%%===================================================================
%%% Главная тестовая функция
%%%===================================================================

-spec test() -> ok.
test() ->
  ct:pal("=== User Reviews Tests ==="),
  OwnerToken = api_test_runner:get_user_token(),
  ParticipantEmail = api_test_runner:unique_email(<<"reviewer">>),
  ParticipantToken = api_test_runner:register_and_login(ParticipantEmail, <<"pass">>),
  StrangerEmail = api_test_runner:unique_email(<<"stranger">>),
  StrangerToken = api_test_runner:register_and_login(StrangerEmail, <<"pass">>),

  % Создаём календарь и событие
  CalId = api_test_runner:create_calendar(OwnerToken, #{title => <<"ReviewTest">>}),
  #{<<"id">> := EventId} = api_test_runner:client_post(
    <<"/v1/calendars/", CalId/binary, "/events">>, OwnerToken,
    #{title      => <<"Event for review">>,
      start_time => <<"2026-06-01T10:00:00Z">>,
      duration   => 60}),

  % Бронируем и подтверждаем участие
  #{<<"id">> := BookingId} = api_test_runner:client_post(
    <<"/v1/events/", EventId/binary, "/bookings">>, ParticipantToken, #{}),
  api_test_runner:client_put(<<"/v1/bookings/", BookingId/binary>>, OwnerToken,
    #{action => <<"confirm">>}),

  test_create_review(ParticipantToken, EventId),
  test_duplicate_review(ParticipantToken, EventId),
  test_review_without_booking(StrangerToken, EventId),
  test_list_reviews(OwnerToken, EventId),

  ct:pal("=== All user reviews tests passed ==="),
  ok.

%%%===================================================================
%%% Тестовые функции
%%%===================================================================

%% @doc Успешное создание отзыва: 201 Created.
-spec test_create_review(binary(), binary()) -> ok.
test_create_review(Token, EventId) ->
  ct:pal("  TEST: Create a review"),
  Resp = api_test_runner:client_request(post, <<"/v1/reviews">>, Token,
    jsx:encode(#{
      target_type => <<"event">>,
      target_id   => EventId,
      rating      => 5,
      comment     => <<"Excellent!">>
    })),
  {ok, 201, _, Body} = Resp,
  #{<<"id">> := ReviewId, <<"status">> := Status} = jsx:decode(list_to_binary(Body), [return_maps]),
  ?assert(is_binary(ReviewId)),
  ?assertEqual(<<"visible">>, Status),
  ct:pal("    OK: review ~s created", [ReviewId]).

%% @doc Повторный отзыв на ту же цель: 409 Conflict.
-spec test_duplicate_review(binary(), binary()) -> ok.
test_duplicate_review(Token, EventId) ->
  ct:pal("  TEST: Duplicate review"),
  Resp = api_test_runner:client_request(post, <<"/v1/reviews">>, Token,
    jsx:encode(#{
      target_type => <<"event">>,
      target_id   => EventId,
      rating      => 3,
      comment     => <<"Second try">>
    })),
  {ok, 409, _, _} = Resp,
  ct:pal("    OK: got 409 conflict").

%% @doc Попытка оставить отзыв без бронирования: 403 Forbidden.
-spec test_review_without_booking(binary(), binary()) -> ok.
test_review_without_booking(StrangerToken, EventId) ->
  ct:pal("  TEST: Review without booking"),
  Resp = api_test_runner:client_request(post, <<"/v1/reviews">>, StrangerToken,
    jsx:encode(#{
      target_type => <<"event">>,
      target_id   => EventId,
      rating      => 1,
      comment     => <<"Not allowed">>
    })),
  {ok, 403, _, _} = Resp,
  ct:pal("    OK: got 403 forbidden").

%% @doc GET /v1/reviews?target_type=event&target_id=... – список отзывов.
-spec test_list_reviews(binary(), binary()) -> ok.
test_list_reviews(_, EventId) ->
  ct:pal("  TEST: List reviews for event"),
  Path = <<"/v1/reviews?target_type=event&target_id=", EventId/binary>>,
  Reviews = api_test_runner:client_get(Path, api_test_runner:get_user_token()),
  ?assert(is_list(Reviews)),
  ?assert(length(Reviews) >= 1),
  First = hd(Reviews),
  ?assertEqual(<<"Excellent!">>, maps:get(<<"comment">>, First)),
  ct:pal("    OK: ~p reviews found", [length(Reviews)]).