//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/telegram/ScopeNotificationSettings.h"

#include "td/telegram/Global.h"

#include <limits>

namespace td {

StringBuilder &operator<<(StringBuilder &string_builder, const ScopeNotificationSettings &notification_settings) {
  return string_builder << "[" << notification_settings.mute_until << ", " << notification_settings.sound << ", "
                        << notification_settings.show_preview << ", " << notification_settings.is_synchronized << ", "
                        << notification_settings.disable_pinned_message_notifications << ", "
                        << notification_settings.disable_mention_notifications << "]";
}

td_api::object_ptr<td_api::scopeNotificationSettings> get_scope_notification_settings_object(
    const ScopeNotificationSettings *notification_settings) {
  CHECK(notification_settings != nullptr);
  return td_api::make_object<td_api::scopeNotificationSettings>(
      max(0, notification_settings->mute_until - G()->unix_time()),
      get_notification_sound_ringtone_id(notification_settings->sound), notification_settings->show_preview,
      notification_settings->disable_pinned_message_notifications,
      notification_settings->disable_mention_notifications);
}

static int32 get_mute_until(int32 mute_for) {
  if (mute_for <= 0) {
    return 0;
  }

  const int32 MAX_PRECISE_MUTE_FOR = 366 * 86400;
  int32 current_time = G()->unix_time();
  if (mute_for > MAX_PRECISE_MUTE_FOR || mute_for >= std::numeric_limits<int32>::max() - current_time) {
    return std::numeric_limits<int32>::max();
  }
  return mute_for + current_time;
}

Result<ScopeNotificationSettings> get_scope_notification_settings(
    td_api::object_ptr<td_api::scopeNotificationSettings> &&notification_settings) {
  if (notification_settings == nullptr) {
    return Status::Error(400, "New notification settings must be non-empty");
  }

  auto mute_until = get_mute_until(notification_settings->mute_for_);
  return ScopeNotificationSettings(mute_until, get_notification_sound(false, notification_settings->sound_id_),
                                   notification_settings->show_preview_,
                                   notification_settings->disable_pinned_message_notifications_,
                                   notification_settings->disable_mention_notifications_);
}

ScopeNotificationSettings get_scope_notification_settings(tl_object_ptr<telegram_api::peerNotifySettings> &&settings,
                                                          bool old_disable_pinned_message_notifications,
                                                          bool old_disable_mention_notifications) {
  if (settings == nullptr) {
    return ScopeNotificationSettings();
  }
  auto mute_until = (settings->flags_ & telegram_api::peerNotifySettings::MUTE_UNTIL_MASK) == 0 ||
                            settings->mute_until_ <= G()->unix_time()
                        ? 0
                        : settings->mute_until_;
  auto show_preview =
      (settings->flags_ & telegram_api::peerNotifySettings::SHOW_PREVIEWS_MASK) == 0 ? false : settings->show_previews_;
  return {mute_until, get_notification_sound(settings.get()), show_preview, old_disable_pinned_message_notifications,
          old_disable_mention_notifications};
}

}  // namespace td