/*
 * Copyright (c) 2021-2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "notification_subscriber.h"

#include "notification_constant.h"
#include "hitrace_meter_adapter.h"
#include "iservice_registry.h"
#include "system_ability_definition.h"

namespace OHOS {
namespace Notification {
NotificationSubscriber::NotificationSubscriber()
{
    impl_ = new (std::nothrow) SubscriberImpl(*this);
    deviceType_ = NotificationConstant::CURRENT_DEVICE_TYPE;
};

NotificationSubscriber::~NotificationSubscriber()
{
    if (impl_ != nullptr) {
        impl_->OnSubscriberDestory();
    }
}

void NotificationSubscriber::SetDeviceType(const std::string &deviceType)
{
    deviceType_ = deviceType;
}

std::string NotificationSubscriber::GetDeviceType() const
{
    return deviceType_;
}

#ifdef NOTIFICATION_SMART_REMINDER_SUPPORTED
bool NotificationSubscriber::ProcessSyncDecision(
    const std::string &deviceType, std::shared_ptr<Notification> &notification) const
{
    sptr<NotificationRequest> request = notification->GetNotificationRequestPoint();
    if (request == nullptr) {
        ANS_LOGE("No need to consume cause invalid reqeuest.");
        return false;
    }
    auto flagsMap = request->GetDeviceFlags();
    if (flagsMap == nullptr || flagsMap->size() <= 0) {
        return true;
    }
    auto flagIter = flagsMap->find(deviceType);
    if (flagIter != flagsMap->end() && flagIter->second != nullptr) {
        ANS_LOGI("SetFlags-before filte, notificationKey = %{public}s flagIter \
            flags = %{public}d, deviceType:%{public}s",
            request->GetKey().c_str(), flagIter->second->GetReminderFlags(), deviceType.c_str());
        std::shared_ptr<NotificationFlags> tempFlags = request->GetFlags();
        tempFlags->SetSoundEnabled(DowngradeReminder(tempFlags->IsSoundEnabled(), flagIter->second->IsSoundEnabled()));
        tempFlags->SetVibrationEnabled(
            DowngradeReminder(tempFlags->IsVibrationEnabled(), flagIter->second->IsVibrationEnabled()));
        tempFlags->SetLockScreenVisblenessEnabled(
            tempFlags->IsLockScreenVisblenessEnabled() && flagIter->second->IsLockScreenVisblenessEnabled());
        tempFlags->SetBannerEnabled(
            tempFlags->IsBannerEnabled() && flagIter->second->IsBannerEnabled());
        tempFlags->SetLightScreenEnabled(
            tempFlags->IsLightScreenEnabled() && flagIter->second->IsLightScreenEnabled());
        request->SetFlags(tempFlags);
        ANS_LOGI("SetFlags-after filte, notificationKey = %{public}s flags = %{public}d",
            request->GetKey().c_str(), tempFlags->GetReminderFlags());
        return true;
    }
    if (deviceType.size() <= 0 || deviceType.compare(NotificationConstant::CURRENT_DEVICE_TYPE) == 0) {
        return true;
    }
    ANS_LOGD("No need to consume cause cannot find deviceFlags. deviceType: %{public}s.", deviceType.c_str());
    return false;
}

NotificationConstant::FlagStatus NotificationSubscriber::DowngradeReminder(
    const NotificationConstant::FlagStatus &oldFlags, const NotificationConstant::FlagStatus &judgeFlags) const
{
    if (judgeFlags == NotificationConstant::FlagStatus::NONE || oldFlags == NotificationConstant::FlagStatus::NONE) {
        return NotificationConstant::FlagStatus::NONE;
    }
    if (judgeFlags > oldFlags) {
        return judgeFlags;
    } else {
        return oldFlags;
    }
}
#endif

const sptr<NotificationSubscriber::SubscriberImpl> NotificationSubscriber::GetImpl() const
{
    return impl_;
}

NotificationSubscriber::SubscriberImpl::SubscriberImpl(NotificationSubscriber &subscriber) : subscriber_(subscriber)
{
    recipient_ = new (std::nothrow) DeathRecipient(*this);
};

void NotificationSubscriber::SubscriberImpl::OnSubscriberDestory()
{
    isSubscriberDestory_.store(true);
}

void NotificationSubscriber::SubscriberImpl::OnConnected()
{
    if (isSubscriberDestory_.load()) {
        return;
    }
    HITRACE_METER_NAME(HITRACE_TAG_NOTIFICATION, __PRETTY_FUNCTION__);
    sptr<AnsManagerInterface> proxy = GetAnsManagerProxy();
    if (proxy != nullptr) {
        proxy->AsObject()->AddDeathRecipient(recipient_);
        ANS_LOGD("%s, Add death recipient.", __func__);
    }
    subscriber_.OnConnected();
}

void NotificationSubscriber::SubscriberImpl::OnDisconnected()
{
    if (isSubscriberDestory_.load()) {
        return;
    }
    HITRACE_METER_NAME(HITRACE_TAG_NOTIFICATION, __PRETTY_FUNCTION__);
    sptr<AnsManagerInterface> proxy = GetAnsManagerProxy();
    if (proxy != nullptr) {
        proxy->AsObject()->RemoveDeathRecipient(recipient_);
        ANS_LOGD("%s, Remove death recipient.", __func__);
    }
    subscriber_.OnDisconnected();
}

void NotificationSubscriber::SubscriberImpl::OnConsumed(
    const sptr<Notification> &notification, const sptr<NotificationSortingMap> &notificationMap)
{
    if (isSubscriberDestory_.load()) {
        return;
    }
    HITRACE_METER_NAME(HITRACE_TAG_NOTIFICATION, __PRETTY_FUNCTION__);
    std::shared_ptr<Notification> sharedNotification = std::make_shared<Notification>(*notification);
#ifdef NOTIFICATION_SMART_REMINDER_SUPPORTED
    if (!subscriber_.ProcessSyncDecision(subscriber_.GetDeviceType(), sharedNotification)) {
        return;
    }
#endif
    subscriber_.OnConsumed(
        sharedNotification, std::make_shared<NotificationSortingMap>(*notificationMap));
}

void NotificationSubscriber::SubscriberImpl::OnConsumedList(const std::vector<sptr<Notification>> &notifications,
    const sptr<NotificationSortingMap> &notificationMap)
{
    if (isSubscriberDestory_.load()) {
        return;
    }
    HITRACE_METER_NAME(HITRACE_TAG_NOTIFICATION, __PRETTY_FUNCTION__);
    for (auto notification : notifications) {
        OnConsumed(notification, notificationMap);
    }
}

void NotificationSubscriber::SubscriberImpl::OnCanceled(
    const sptr<Notification> &notification, const sptr<NotificationSortingMap> &notificationMap, int32_t deleteReason)
{
    if (isSubscriberDestory_.load()) {
        return;
    }
    HITRACE_METER_NAME(HITRACE_TAG_NOTIFICATION, __PRETTY_FUNCTION__);
    if (notificationMap == nullptr) {
        subscriber_.OnCanceled(std::make_shared<Notification>(*notification),
            std::make_shared<NotificationSortingMap>(), deleteReason);
    } else {
        subscriber_.OnCanceled(std::make_shared<Notification>(*notification),
            std::make_shared<NotificationSortingMap>(*notificationMap), deleteReason);
    }
}

void NotificationSubscriber::SubscriberImpl::OnBatchCanceled(const std::vector<sptr<Notification>> &notifications,
    const sptr<NotificationSortingMap> &notificationMap, int32_t deleteReason)
{
    if (isSubscriberDestory_.load()) {
        return;
    }
    std::vector<std::shared_ptr<Notification>> notificationList;
    for (auto notification : notifications) {
        notificationList.emplace_back(std::make_shared<Notification>(*notification));
    }
    if (notificationMap == nullptr) {
        subscriber_.OnBatchCanceled(notificationList,
            std::make_shared<NotificationSortingMap>(), deleteReason);
    } else {
        subscriber_.OnBatchCanceled(notificationList,
            std::make_shared<NotificationSortingMap>(*notificationMap), deleteReason);
    }
}

void NotificationSubscriber::SubscriberImpl::OnCanceledList(const std::vector<sptr<Notification>> &notifications,
    const sptr<NotificationSortingMap> &notificationMap, int32_t deleteReason)
{
    if (isSubscriberDestory_.load()) {
        return;
    }
    HITRACE_METER_NAME(HITRACE_TAG_NOTIFICATION, __PRETTY_FUNCTION__);
    if (subscriber_.HasOnBatchCancelCallback()) {
        OnBatchCanceled(notifications, notificationMap, deleteReason);
        return;
    }
    for (auto notification : notifications) {
        OnCanceled(notification, notificationMap, deleteReason);
    }
}

void NotificationSubscriber::SubscriberImpl::OnUpdated(const sptr<NotificationSortingMap> &notificationMap)
{
    if (isSubscriberDestory_.load()) {
        return;
    }
    subscriber_.OnUpdate(std::make_shared<NotificationSortingMap>(*notificationMap));
}

void NotificationSubscriber::SubscriberImpl::OnDoNotDisturbDateChange(const sptr<NotificationDoNotDisturbDate> &date)
{
    if (isSubscriberDestory_.load()) {
        return;
    }
    subscriber_.OnDoNotDisturbDateChange(std::make_shared<NotificationDoNotDisturbDate>(*date));
}

void NotificationSubscriber::SubscriberImpl::OnEnabledNotificationChanged(
    const sptr<EnabledNotificationCallbackData> &callbackData)
{
    if (isSubscriberDestory_.load()) {
        return;
    }
    HITRACE_METER_NAME(HITRACE_TAG_NOTIFICATION, __PRETTY_FUNCTION__);
    subscriber_.OnEnabledNotificationChanged(std::make_shared<EnabledNotificationCallbackData>(*callbackData));
}

void NotificationSubscriber::SubscriberImpl::OnBadgeChanged(const sptr<BadgeNumberCallbackData> &badgeData)
{
    if (isSubscriberDestory_.load()) {
        return;
    }
    HITRACE_METER_NAME(HITRACE_TAG_NOTIFICATION, __PRETTY_FUNCTION__);
    subscriber_.OnBadgeChanged(std::make_shared<BadgeNumberCallbackData>(*badgeData));
}

void NotificationSubscriber::SubscriberImpl::OnBadgeEnabledChanged(
    const sptr<EnabledNotificationCallbackData> &callbackData)
{
    if (isSubscriberDestory_.load()) {
        return;
    }
    HITRACE_METER_NAME(HITRACE_TAG_NOTIFICATION, __PRETTY_FUNCTION__);
    subscriber_.OnBadgeEnabledChanged(callbackData);
}

sptr<AnsManagerInterface> NotificationSubscriber::SubscriberImpl::GetAnsManagerProxy()
{
    sptr<ISystemAbilityManager> systemAbilityManager =
        SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
    if (!systemAbilityManager) {
        return nullptr;
    }

    sptr<IRemoteObject> remoteObject =
        systemAbilityManager->GetSystemAbility(ADVANCED_NOTIFICATION_SERVICE_ABILITY_ID);
    if (!remoteObject) {
        return nullptr;
    }

    sptr<AnsManagerInterface> proxy = iface_cast<AnsManagerInterface>(remoteObject);
    if ((proxy == nullptr) || (proxy->AsObject() == nullptr)) {
        return nullptr;
    }

    return proxy;
}

NotificationSubscriber::SubscriberImpl::DeathRecipient::DeathRecipient(SubscriberImpl &subscriberImpl)
    : subscriberImpl_(subscriberImpl) {};

NotificationSubscriber::SubscriberImpl::DeathRecipient::~DeathRecipient() {};

void NotificationSubscriber::SubscriberImpl::DeathRecipient::OnRemoteDied(const wptr<IRemoteObject> &object)
{
    subscriberImpl_.subscriber_.OnDied();
}
}  // namespace Notification
}  // namespace OHOS