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

%% ------------------- Пользователи и аутентификация -------------------
-record(user, {
  id              :: binary(),
  email           :: binary(),
  password_hash   :: binary(),
  role            :: user | bot,
  status          :: active | frozen | deleted,
  reason          :: binary() | undefined,
  nickname        :: binary() | undefined,
  avatar_url      :: binary() | undefined,
  timezone        :: binary() | undefined,
  language        :: binary() | undefined,
  social_links    :: [binary()] | undefined,
  phone           :: binary() | undefined,
  preferences     :: map() | undefined,
  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
}).

%% ------------------- АДМИНИСТРАТОРЫ ------------------------------------
-record(admin, {
  id              :: binary(),
  email           :: binary(),
  password_hash   :: binary(),
  role            :: superadmin | admin | moderator | support,
  status          :: active | blocked,
  nickname        :: binary() | undefined,
  avatar_url      :: binary() | undefined,
  timezone        :: binary() | undefined,
  language        :: binary() | undefined,
  phone           :: binary() | undefined,
  preferences     :: map() | undefined,
  created_at      :: calendar:datetime(),
  updated_at      :: calendar:datetime()
}).

%% ------------------- СЕССИИ АДМИНИСТРАТОРОВ ---------------------------
-record(admin_session, {
  token           :: binary(),
  admin_id        :: binary(),
  expires_at      :: calendar:datetime(),
  type            :: refresh
}).

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

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

%% ------------------- Специалисты календаря ---------------------------
-record(calendar_specialist, {
  calendar_id     :: binary(),
  user_id         :: binary(),                % id пользователя-специалиста
  name            :: binary(),                % отображаемое имя в этом календаре
  specialization  :: [binary()] | undefined,  % список специализаций (услуг)
  status          :: active | inactive,
  added_at        :: calendar:datetime(),
  updated_at      :: calendar:datetime()
}).

-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,
  reason          :: binary() | undefined,
  rating_avg      :: float(),
  rating_count    :: non_neg_integer(),
  attachments     :: [binary()] | undefined,
  edit_history    :: [map()] | undefined,
  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,
  notes           :: binary() | undefined,
  reminder_sent   :: boolean(),
  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,
  reason          :: binary() | undefined,
  likes           :: non_neg_integer(),
  dislikes        :: non_neg_integer(),
  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(),
  added_by        :: binary() | undefined,    % id администратора, добавившего слово
  added_at        :: calendar:datetime() | undefined
}).

%% ------------------- Баг-трекер --------------------------------------
-record(ticket, {
  id              :: binary(),
  reporter_id     :: binary(),
  error_hash      :: binary(),
  error_message   :: binary(),
  stacktrace      :: binary(),
  context         :: binary(),                % ← новое поле (term_to_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(admin_audit, {
  id              :: binary(),
  admin_id        :: binary(),
  email           :: binary(),
  role            :: atom(),
  action          :: binary(),
  entity_type     :: binary(),
  entity_id       :: binary(),
  timestamp       :: calendar:datetime(),
  ip              :: binary(),
  reason          :: binary() | undefined
}).

%% ------------------- Уведомления (задача #12) ------------------------
-record(notification, {
  id              :: binary(),
  user_id         :: binary(),
  type            :: booking_confirmed | event_reminder | event_cancelled | custom,
  title           :: binary(),
  body            :: binary(),
  is_read         :: boolean(),
  created_at      :: calendar:datetime()
}).

-record(stats, {
  id          :: binary(),
  metric      :: atom(),
  entity_id   :: binary(),
  value       :: integer() | {integer(), integer()},
  timestamp   :: calendar:datetime()
}).

-record(schema_migration, {
  version     :: string(),
  applied_at  :: calendar:datetime()
}).