%% ===================================================================
%% EventHub Records Definition
%% ===================================================================

%% ------------------- Пользователи и аутентификация -------------------
-record(user, {
  id              :: binary(),
  email           :: binary(),
  password_hash   :: binary(),
  role            :: user | admin,
  status          :: active | frozen | deleted,
  created_at      :: calendar:datetime(),
  updated_at      :: calendar:datetime()
}).

-record(session, {
  token           :: binary(),         % JWT или refresh токен
  user_id         :: binary(),
  expires_at      :: calendar:datetime(),
  type            :: access | refresh
}).

%% ------------------- Календари ---------------------------------------
-record(calendar, {
  id              :: binary(),
  owner_id        :: binary(),
  title           :: binary(),
  description     :: binary(),
  tags            :: [binary()],
  type            :: personal | commercial,
  confirmation    :: auto | manual | {timeout, integer()}, % секунд
  rating_avg      :: float(),
  rating_count    :: non_neg_integer(),
  status          :: active | frozen | deleted,
  created_at      :: calendar:datetime(),
  updated_at      :: calendar:datetime()
}).

-record(calendar_share, {
  calendar_id     :: binary(),
  user_id         :: binary(),
  rights          :: read | write | admin
}).

-record(location, {
  address         :: binary(),
  lat             :: float(),
  lon             :: float()
}).

%% ------------------- События (включая повторяющиеся) ----------------
-record(event, {
  id              :: binary(),
  calendar_id     :: binary(),
  title           :: binary(),
  description     :: binary(),
  event_type      :: single | recurring,
  start_time      :: calendar:datetime(),
  duration        :: integer(),          % минуты
  recurrence_rule :: binary() | undefined,
  master_id       :: binary() | undefined,
  is_instance     :: boolean(),
  specialist_id   :: binary() | undefined,
  location        :: #location{} | undefined,
  tags            :: [binary()],
  capacity        :: integer() | undefined,
  online_link     :: binary() | undefined,
  status          :: active | cancelled | completed,
  rating_avg      :: float(),
  rating_count    :: non_neg_integer(),
  created_at      :: calendar:datetime(),
  updated_at      :: calendar:datetime()
}).

-record(recurrence_exception, {
  master_id       :: binary(),
  original_start  :: calendar:datetime(),
  action          :: cancel | reschedule,
  new_start       :: calendar:datetime() | undefined
}).

%% ------------------- Бронирования ------------------------------------
-record(booking, {
  id              :: binary(),
  event_id        :: binary(),          % ссылка на конкретный экземпляр события
  user_id         :: binary(),
  status          :: pending | confirmed | cancelled,
  confirmed_at    :: calendar:datetime() | undefined,
  created_at      :: calendar:datetime(),
  updated_at      :: calendar:datetime()
}).

%% ------------------- Отзывы ------------------------------------------
-record(review, {
  id              :: binary(),
  user_id         :: binary(),
  target_type     :: calendar | event,
  target_id       :: binary(),
  rating          :: 1..5,
  comment         :: binary(),
  status          :: visible | hidden | deleted,
  created_at      :: calendar:datetime(),
  updated_at      :: calendar:datetime()
}).

%% ------------------- Жалобы и модерация ------------------------------
-record(report, {
  id              :: binary(),
  reporter_id     :: binary(),
  target_type     :: calendar | event | review,
  target_id       :: binary(),
  reason          :: binary(),
  status          :: pending | reviewed | dismissed,
  created_at      :: calendar:datetime(),
  resolved_at     :: calendar:datetime() | undefined,
  resolved_by     :: binary() | undefined
}).

-record(banned_word, {
  id              :: binary(),
  word            :: binary()
}).

%% ------------------- Баг-трекер --------------------------------------
-record(ticket, {
  id              :: binary(),
  error_hash      :: binary(),
  error_message   :: binary(),
  stacktrace      :: binary(),
  count           :: non_neg_integer(),
  first_seen      :: calendar:datetime(),
  last_seen       :: calendar:datetime(),
  status          :: open | in_progress | resolved | closed,
  assigned_to     :: binary() | undefined,
  resolution_note :: binary() | undefined
}).

%% ------------------- Подписки ----------------------------------------
-record(subscription, {
  id              :: binary(),
  user_id         :: binary(),
  plan            :: monthly | quarterly | biannual | annual,
  status          :: active | expired | cancelled,
  trial_used      :: boolean(),
  started_at      :: calendar:datetime(),
  expires_at      :: calendar:datetime(),
  created_at      :: calendar:datetime(),
  updated_at      :: calendar:datetime()
}).

%% ------------------- Аудит -------------------------------------------
-record(audit_log, {
  id              :: binary(),
  admin_id        :: binary(),
  action          :: binary(),
  target_type     :: binary() | undefined,
  target_id       :: binary() | undefined,
  details         :: binary() | undefined,
  created_at      :: calendar:datetime()
}).