/* Copyright (c) 2013-2021, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of The Linux Foundation, nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
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/*
Changes from Qualcomm Innovation Center are provided under the following license:

Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted (subject to the limitations in the
disclaimer below) provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above
      copyright notice, this list of conditions and the following
      disclaimer in the documentation and/or other materials provided
      with the distribution.

    * Neither the name of Qualcomm Innovation Center, Inc. nor the names of its
      contributors may be used to endorse or promote products derived
      from this software without specific prior written permission.

NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define LOG_TAG "LocSvc_GeofenceAdapter"

#include <GeofenceAdapter.h>
#include "loc_log.h"
#include <log_util.h>
#include <string>

using namespace loc_core;

GeofenceAdapter::GeofenceAdapter() :
    LocAdapterBase(0,
                   LocContext::getLocContext(LocContext::mLocationHalName),
                   true /*isMaster*/, nullptr, true),
    mSystemPowerState(POWER_STATE_UNKNOWN)
{
    LOC_LOGD("%s]: Constructor", __func__);

    // at last step, let us inform adapater base that we are done
    // with initialization, e.g.: ready to process handleEngineUpEvent
    doneInit();
}

void
GeofenceAdapter::stopClientSessions(LocationAPI* client, bool eraseSession)
{
    LOC_LOGD("%s]: client %p", __func__, client);


    for (auto it = mGeofenceIds.begin(); it != mGeofenceIds.end();) {
        uint32_t hwId = it->second;
        GeofenceKey key(it->first);
        if (client == key.client) {
            if (eraseSession)
                it = mGeofenceIds.erase(it);
            mLocApi->removeGeofence(hwId, key.id,
                    new LocApiResponse(*getContext(),
                    [this, hwId, eraseSession] (LocationError err) {
                if (LOCATION_ERROR_SUCCESS == err) {
                    auto it2 = mGeofences.find(hwId);
                    if (it2 != mGeofences.end()) {
                        if (eraseSession)
                            mGeofences.erase(it2);
                    } else {
                        LOC_LOGE("%s]:geofence item to erase not found. hwId %u", __func__, hwId);
                    }
                }
            }));
            continue;
        }
        ++it; // increment only when not erasing an iterator
    }

}

void
GeofenceAdapter::updateClientsEventMask()
{
    LOC_API_ADAPTER_EVENT_MASK_T mask = 0;
    for (auto it=mClientData.begin(); it != mClientData.end(); ++it) {
        if (it->second.geofenceBreachCb != nullptr) {
            mask |= LOC_API_ADAPTER_BIT_BATCHED_GENFENCE_BREACH_REPORT;
            mask |= LOC_API_ADAPTER_BIT_REPORT_GENFENCE_DWELL;
        }
        if (it->second.geofenceStatusCb != nullptr) {
            mask |= LOC_API_ADAPTER_BIT_GEOFENCE_GEN_ALERT;
        }
    }
    updateEvtMask(mask, LOC_REGISTRATION_MASK_SET);
}

LocationError
GeofenceAdapter::getHwIdFromClient(LocationAPI* client, uint32_t clientId, uint32_t& hwId)
{
    GeofenceKey key(client, clientId);
    auto it = mGeofenceIds.find(key);
    if (it != mGeofenceIds.end()) {
        hwId = it->second;
        return LOCATION_ERROR_SUCCESS;
    }
    return LOCATION_ERROR_ID_UNKNOWN;
}

LocationError
GeofenceAdapter::getGeofenceKeyFromHwId(uint32_t hwId, GeofenceKey& key)
{
    auto it = mGeofences.find(hwId);
    if (it != mGeofences.end()) {
        key = it->second.key;
        return LOCATION_ERROR_SUCCESS;
    }
    return LOCATION_ERROR_ID_UNKNOWN;
}

void
GeofenceAdapter::handleEngineUpEvent()
{
    struct MsgSSREvent : public LocMsg {
        GeofenceAdapter& mAdapter;
        inline MsgSSREvent(GeofenceAdapter& adapter) :
            LocMsg(),
            mAdapter(adapter) {}
        virtual void proc() const {
            mAdapter.setEngineCapabilitiesKnown(true);
            mAdapter.broadcastCapabilities(mAdapter.getCapabilities());
            if ((POWER_STATE_SUSPEND != mAdapter.mSystemPowerState) &&
                 POWER_STATE_SHUTDOWN != mAdapter.mSystemPowerState) {
                mAdapter.restartGeofences();
            }
            for (auto msg: mAdapter.mPendingMsgs) {
                mAdapter.sendMsg(msg);
            }
            mAdapter.mPendingMsgs.clear();
        }
    };

    sendMsg(new MsgSSREvent(*this));
}

void
GeofenceAdapter::restartGeofences()
{
    if (mGeofences.empty()) {
        return;
    }

    GeofencesMap oldGeofences(mGeofences);
    mGeofences.clear();
    mGeofenceIds.clear();

    for (auto it = oldGeofences.begin(); it != oldGeofences.end(); it++) {
        GeofenceObject object = it->second;
        GeofenceOption options = {sizeof(GeofenceOption),
                                   object.breachMask,
                                   object.responsiveness,
                                   object.dwellTime,
                                   object.confidence};
        GeofenceInfo info = {sizeof(GeofenceInfo),
                             object.latitude,
                             object.longitude,
                             object.radius};
        mLocApi->addGeofence(object.key.id,
                              options,
                              info,
                              new LocApiResponseData<LocApiGeofenceData>(*getContext(),
                [this, object, options, info] (LocationError err, LocApiGeofenceData data) {
            if (LOCATION_ERROR_SUCCESS == err) {
                if (true == object.paused) {
                    mLocApi->pauseGeofence(data.hwId, object.key.id,
                            new LocApiResponse(*getContext(), [] (LocationError err __unused) {}));
                }
                saveGeofenceItem(object.key.client, object.key.id, data.hwId, options, info);
            }
        }));
    }
}

void
GeofenceAdapter::reportResponse(LocationAPI* client, size_t count, LocationError* errs,
        uint32_t* ids)
{
    IF_LOC_LOGD {
        std::string idsString = "[";
        std::string errsString = "[";
        if (NULL != ids && NULL != errs) {
            for (size_t i=0; i < count; ++i) {
                idsString += std::to_string(ids[i]) + " ";
                errsString += std::to_string(errs[i]) + " ";
            }
        }
        idsString += "]";
        errsString += "]";

        LOC_LOGD("%s]: client %p ids %s errs %s",
                 __func__, client, idsString.c_str(), errsString.c_str());
    }

    auto it = mClientData.find(client);
    if (it != mClientData.end() && it->second.collectiveResponseCb != nullptr) {
        it->second.collectiveResponseCb(count, errs, ids);
    } else {
        LOC_LOGE("%s]: client %p response not found in info", __func__, client);
    }
}

uint32_t*
GeofenceAdapter::addGeofencesCommand(LocationAPI* client, size_t count, GeofenceOption* options,
        GeofenceInfo* infos)
{
    LOC_LOGD("%s]: client %p count %zu", __func__, client, count);

    struct MsgAddGeofences : public LocMsg {
        GeofenceAdapter& mAdapter;
        LocApiBase& mApi;
        LocationAPI* mClient;
        size_t mCount;
        uint32_t* mIds;
        GeofenceOption* mOptions;
        GeofenceInfo* mInfos;
        inline MsgAddGeofences(GeofenceAdapter& adapter,
                               LocApiBase& api,
                               LocationAPI* client,
                               size_t count,
                               uint32_t* ids,
                               GeofenceOption* options,
                               GeofenceInfo* infos) :
            LocMsg(),
            mAdapter(adapter),
            mApi(api),
            mClient(client),
            mCount(count),
            mIds(ids),
            mOptions(options),
            mInfos(infos) {}
        inline virtual void proc() const {
            LocationError* errs = new LocationError[mCount];
            if (nullptr == errs) {
                LOC_LOGE("%s]: new failed to allocate errs", __func__);
                return;
            }
            for (size_t i=0; i < mCount; ++i) {
                if (NULL == mIds || NULL == mOptions || NULL == mInfos) {
                    errs[i] = LOCATION_ERROR_INVALID_PARAMETER;
                } else {
                    mApi.addToCallQueue(new LocApiResponse(*mAdapter.getContext(),
                            [&mAdapter = mAdapter, mCount = mCount, mClient = mClient,
                            mOptions = mOptions, mInfos = mInfos, mIds = mIds, &mApi = mApi,
                            errs, i] (LocationError err __unused) {
                        mApi.addGeofence(mIds[i], mOptions[i], mInfos[i],
                        new LocApiResponseData<LocApiGeofenceData>(*mAdapter.getContext(),
                        [&mAdapter = mAdapter, mOptions = mOptions, mClient = mClient,
                        mCount = mCount, mIds = mIds, mInfos = mInfos, errs, i]
                        (LocationError err, LocApiGeofenceData data) {
                            if (LOCATION_ERROR_SUCCESS == err) {
                                mAdapter.saveGeofenceItem(mClient,
                                mIds[i],
                                data.hwId,
                                mOptions[i],
                                mInfos[i]);
                            }
                            errs[i] = err;

                            // Send aggregated response on last item and cleanup
                            if (i == mCount-1) {
                                mAdapter.reportResponse(mClient, mCount, errs, mIds);
                                delete[] errs;
                                delete[] mIds;
                                delete[] mOptions;
                                delete[] mInfos;
                            }
                        }));
                    }));
                }
            }
        }
    };

    if (0 == count) {
        return NULL;
    }
    uint32_t* ids = new uint32_t[count];
    if (nullptr == ids) {
        LOC_LOGE("%s]: new failed to allocate ids", __func__);
        return NULL;
    }
    if (NULL != ids) {
        for (size_t i=0; i < count; ++i) {
            ids[i] = generateSessionId();
        }
    }
    GeofenceOption* optionsCopy;
    if (options == NULL) {
        optionsCopy = NULL;
    } else {
        optionsCopy = new GeofenceOption[count];
        if (nullptr == optionsCopy) {
            LOC_LOGE("%s]: new failed to allocate optionsCopy", __func__);
            return NULL;
        }
        COPY_IF_NOT_NULL(optionsCopy, options, count);
    }
    GeofenceInfo* infosCopy;
    if (infos == NULL) {
        infosCopy = NULL;
    } else {
        infosCopy = new GeofenceInfo[count];
        if (nullptr == infosCopy) {
            LOC_LOGE("%s]: new failed to allocate infosCopy", __func__);
            return NULL;
        }
        COPY_IF_NOT_NULL(infosCopy, infos, count);
    }

    sendMsg(new MsgAddGeofences(*this, *mLocApi, client, count, ids, optionsCopy, infosCopy));
    return ids;
}

void
GeofenceAdapter::removeGeofencesCommand(LocationAPI* client, size_t count, uint32_t* ids)
{
    LOC_LOGD("%s]: client %p count %zu", __func__, client, count);

    struct MsgRemoveGeofences : public LocMsg {
        GeofenceAdapter& mAdapter;
        LocApiBase& mApi;
        LocationAPI* mClient;
        size_t mCount;
        uint32_t* mIds;
        inline MsgRemoveGeofences(GeofenceAdapter& adapter,
                                  LocApiBase& api,
                                  LocationAPI* client,
                                  size_t count,
                                  uint32_t* ids) :
            LocMsg(),
            mAdapter(adapter),
            mApi(api),
            mClient(client),
            mCount(count),
            mIds(ids) {}
        inline virtual void proc() const  {
            LocationError* errs = new LocationError[mCount];
            if (nullptr == errs) {
                LOC_LOGE("%s]: new failed to allocate errs", __func__);
                return;
            }
            for (size_t i=0; i < mCount; ++i) {
                mApi.addToCallQueue(new LocApiResponse(*mAdapter.getContext(),
                        [&mAdapter = mAdapter, mCount = mCount, mClient = mClient, mIds = mIds,
                        &mApi = mApi, errs, i] (LocationError err __unused) {
                    uint32_t hwId = 0;
                    errs[i] = mAdapter.getHwIdFromClient(mClient, mIds[i], hwId);
                    if (LOCATION_ERROR_SUCCESS == errs[i]) {
                        mApi.removeGeofence(hwId, mIds[i],
                        new LocApiResponse(*mAdapter.getContext(),
                        [&mAdapter = mAdapter, mCount = mCount, mClient = mClient, mIds = mIds,
                        hwId, errs, i] (LocationError err ) {
                            if (LOCATION_ERROR_SUCCESS == err) {
                                mAdapter.removeGeofenceItem(hwId);
                            }
                            errs[i] = err;

                            // Send aggregated response on last item and cleanup
                            if (i == mCount-1) {
                                mAdapter.reportResponse(mClient, mCount, errs, mIds);
                                delete[] errs;
                                delete[] mIds;
                            }
                        }));
                    } else {
                        // Send aggregated response on last item and cleanup
                        if (i == mCount-1) {
                            mAdapter.reportResponse(mClient, mCount, errs, mIds);
                            delete[] errs;
                            delete[] mIds;
                        }
                    }
                }));
            }
        }
    };

    if (0 == count) {
        return;
    }
    uint32_t* idsCopy = new uint32_t[count];
    if (nullptr == idsCopy) {
        LOC_LOGE("%s]: new failed to allocate idsCopy", __func__);
        return;
    }
    COPY_IF_NOT_NULL(idsCopy, ids, count);
    sendMsg(new MsgRemoveGeofences(*this, *mLocApi, client, count, idsCopy));
}

void
GeofenceAdapter::pauseGeofencesCommand(LocationAPI* client, size_t count, uint32_t* ids)
{
    LOC_LOGD("%s]: client %p count %zu", __func__, client, count);

    struct MsgPauseGeofences : public LocMsg {
        GeofenceAdapter& mAdapter;
        LocApiBase& mApi;
        LocationAPI* mClient;
        size_t mCount;
        uint32_t* mIds;
        inline MsgPauseGeofences(GeofenceAdapter& adapter,
                                 LocApiBase& api,
                                 LocationAPI* client,
                                 size_t count,
                                 uint32_t* ids) :
            LocMsg(),
            mAdapter(adapter),
            mApi(api),
            mClient(client),
            mCount(count),
            mIds(ids) {}
        inline virtual void proc() const  {
            LocationError* errs = new LocationError[mCount];
            if (nullptr == errs) {
                LOC_LOGE("%s]: new failed to allocate errs", __func__);
                return;
            }
            for (size_t i=0; i < mCount; ++i) {
                mApi.addToCallQueue(new LocApiResponse(*mAdapter.getContext(),
                        [&mAdapter = mAdapter, mCount = mCount, mClient = mClient, mIds = mIds,
                        &mApi = mApi, errs, i] (LocationError err __unused) {
                    uint32_t hwId = 0;
                    errs[i] = mAdapter.getHwIdFromClient(mClient, mIds[i], hwId);
                    if (LOCATION_ERROR_SUCCESS == errs[i]) {
                        mApi.pauseGeofence(hwId, mIds[i], new LocApiResponse(*mAdapter.getContext(),
                        [&mAdapter = mAdapter, mCount = mCount, mClient = mClient, mIds = mIds,
                        hwId, errs, i] (LocationError err ) {
                            if (LOCATION_ERROR_SUCCESS == err) {
                                mAdapter.pauseGeofenceItem(hwId);
                            }
                            errs[i] = err;

                            // Send aggregated response on last item and cleanup
                            if (i == mCount-1) {
                                mAdapter.reportResponse(mClient, mCount, errs, mIds);
                                delete[] errs;
                                delete[] mIds;
                            }
                        }));
                    } else {
                        // Send aggregated response on last item and cleanup
                        if (i == mCount-1) {
                            mAdapter.reportResponse(mClient, mCount, errs, mIds);
                            delete[] errs;
                            delete[] mIds;
                        }
                    }
                }));
            }
        }
    };

    if (0 == count) {
        return;
    }
    uint32_t* idsCopy = new uint32_t[count];
    if (nullptr == idsCopy) {
        LOC_LOGE("%s]: new failed to allocate idsCopy", __func__);
        return;
    }
    COPY_IF_NOT_NULL(idsCopy, ids, count);
    sendMsg(new MsgPauseGeofences(*this, *mLocApi, client, count, idsCopy));
}

void
GeofenceAdapter::resumeGeofencesCommand(LocationAPI* client, size_t count, uint32_t* ids)
{
    LOC_LOGD("%s]: client %p count %zu", __func__, client, count);

    struct MsgResumeGeofences : public LocMsg {
        GeofenceAdapter& mAdapter;
        LocApiBase& mApi;
        LocationAPI* mClient;
        size_t mCount;
        uint32_t* mIds;
        inline MsgResumeGeofences(GeofenceAdapter& adapter,
                                  LocApiBase& api,
                                  LocationAPI* client,
                                  size_t count,
                                  uint32_t* ids) :
            LocMsg(),
            mAdapter(adapter),
            mApi(api),
            mClient(client),
            mCount(count),
            mIds(ids) {}
        inline virtual void proc() const  {
            LocationError* errs = new LocationError[mCount];
            if (nullptr == errs) {
                LOC_LOGE("%s]: new failed to allocate errs", __func__);
                return;
            }
            for (size_t i=0; i < mCount; ++i) {
                mApi.addToCallQueue(new LocApiResponse(*mAdapter.getContext(),
                        [&mAdapter = mAdapter, mCount = mCount, mClient = mClient, mIds = mIds,
                        &mApi = mApi, errs, i] (LocationError err __unused) {
                    uint32_t hwId = 0;
                    errs[i] = mAdapter.getHwIdFromClient(mClient, mIds[i], hwId);
                    if (LOCATION_ERROR_SUCCESS == errs[i]) {
                        mApi.resumeGeofence(hwId, mIds[i],
                                new LocApiResponse(*mAdapter.getContext(),
                                [&mAdapter = mAdapter, mCount = mCount, mClient = mClient, hwId,
                                errs, mIds = mIds, i] (LocationError err ) {
                            if (LOCATION_ERROR_SUCCESS == err) {
                                errs[i] = err;

                                mAdapter.resumeGeofenceItem(hwId);
                                // Send aggregated response on last item and cleanup
                                if (i == mCount-1) {
                                    mAdapter.reportResponse(mClient, mCount, errs, mIds);
                                    delete[] errs;
                                    delete[] mIds;
                                }
                            }
                        }));
                    } else {
                        // Send aggregated response on last item and cleanup
                        if (i == mCount-1) {
                            mAdapter.reportResponse(mClient, mCount, errs, mIds);
                            delete[] errs;
                            delete[] mIds;
                        }
                    }
                }));
            }
        }
    };

    if (0 == count) {
        return;
    }
    uint32_t* idsCopy = new uint32_t[count];
    if (nullptr == idsCopy) {
        LOC_LOGE("%s]: new failed to allocate idsCopy", __func__);
        return;
    }
    COPY_IF_NOT_NULL(idsCopy, ids, count);
    sendMsg(new MsgResumeGeofences(*this, *mLocApi, client, count, idsCopy));
}

void
GeofenceAdapter::modifyGeofencesCommand(LocationAPI* client, size_t count, uint32_t* ids,
        GeofenceOption* options)
{
    LOC_LOGD("%s]: client %p count %zu", __func__, client, count);

    struct MsgModifyGeofences : public LocMsg {
        GeofenceAdapter& mAdapter;
        LocApiBase& mApi;
        LocationAPI* mClient;
        size_t mCount;
        uint32_t* mIds;
        GeofenceOption* mOptions;
        inline MsgModifyGeofences(GeofenceAdapter& adapter,
                                  LocApiBase& api,
                                  LocationAPI* client,
                                  size_t count,
                                  uint32_t* ids,
                                  GeofenceOption* options) :
            LocMsg(),
            mAdapter(adapter),
            mApi(api),
            mClient(client),
            mCount(count),
            mIds(ids),
            mOptions(options) {}
        inline virtual void proc() const  {
            LocationError* errs = new LocationError[mCount];
            if (nullptr == errs) {
                LOC_LOGE("%s]: new failed to allocate errs", __func__);
                return;
            }
            for (size_t i=0; i < mCount; ++i) {
                if (NULL == mIds || NULL == mOptions) {
                    errs[i] = LOCATION_ERROR_INVALID_PARAMETER;
                } else {
                    mApi.addToCallQueue(new LocApiResponse(*mAdapter.getContext(),
                            [&mAdapter = mAdapter, mCount = mCount, mClient = mClient, mIds = mIds,
                            &mApi = mApi, mOptions = mOptions, errs, i] (LocationError err __unused) {
                        uint32_t hwId = 0;
                        errs[i] = mAdapter.getHwIdFromClient(mClient, mIds[i], hwId);
                        if (LOCATION_ERROR_SUCCESS == errs[i]) {
                            mApi.modifyGeofence(hwId, mIds[i], mOptions[i],
                                    new LocApiResponse(*mAdapter.getContext(),
                                    [&mAdapter = mAdapter, mCount = mCount, mClient = mClient,
                                    mIds = mIds, mOptions = mOptions, hwId, errs, i]
                                    (LocationError err ) {
                                if (LOCATION_ERROR_SUCCESS == err) {
                                    errs[i] = err;

                                    mAdapter.modifyGeofenceItem(hwId, mOptions[i]);
                                }
                                // Send aggregated response on last item and cleanup
                                if (i == mCount-1) {
                                    mAdapter.reportResponse(mClient, mCount, errs, mIds);
                                    delete[] errs;
                                    delete[] mIds;
                                    delete[] mOptions;
                                }
                            }));
                        } else {
                            // Send aggregated response on last item and cleanup
                            if (i == mCount-1) {
                                mAdapter.reportResponse(mClient, mCount, errs, mIds);
                                delete[] errs;
                                delete[] mIds;
                                delete[] mOptions;
                            }
                        }
                    }));
                }
            }
        }
    };

    if (0 == count) {
        return;
    }
    uint32_t* idsCopy = new uint32_t[count];
    if (nullptr == idsCopy) {
        LOC_LOGE("%s]: new failed to allocate idsCopy", __func__);
        return;
    }
    COPY_IF_NOT_NULL(idsCopy, ids, count);
    GeofenceOption* optionsCopy;
    if (options == NULL) {
        optionsCopy = NULL;
    } else {
        optionsCopy = new GeofenceOption[count];
        if (nullptr == optionsCopy) {
            LOC_LOGE("%s]: new failed to allocate optionsCopy", __func__);
            return;
        }
        COPY_IF_NOT_NULL(optionsCopy, options, count);
    }

    sendMsg(new MsgModifyGeofences(*this, *mLocApi, client, count, idsCopy, optionsCopy));
}

void
GeofenceAdapter::saveGeofenceItem(LocationAPI* client, uint32_t clientId, uint32_t hwId,
        const GeofenceOption& options, const GeofenceInfo& info)
{
    LOC_LOGD("%s]: hwId %u client %p clientId %u", __func__, hwId, client, clientId);
    GeofenceKey key(client, clientId);
    GeofenceObject object = {key,
                             options.breachTypeMask,
                             options.responsiveness,
                             options.dwellTime,
                             options.confidence,
                             info.latitude,
                             info.longitude,
                             info.radius,
                             false};
    mGeofences[hwId] = object;
    mGeofenceIds[key] = hwId;
    dump();
}

void
GeofenceAdapter::removeGeofenceItem(uint32_t hwId)
{
    GeofenceKey key;
    LocationError err = getGeofenceKeyFromHwId(hwId, key);
    if (LOCATION_ERROR_SUCCESS != err) {
        LOC_LOGE("%s]: can not find the key for hwId %u", __func__, hwId);
    } else {
        auto it1 = mGeofenceIds.find(key);
        if (it1 != mGeofenceIds.end()) {
            mGeofenceIds.erase(it1);

            auto it2 = mGeofences.find(hwId);
            if (it2 != mGeofences.end()) {
                mGeofences.erase(it2);
                dump();
            } else {
                LOC_LOGE("%s]:geofence item to erase not found. hwId %u", __func__, hwId);
            }
        } else {
            LOC_LOGE("%s]: geofence item to erase not found. hwId %u", __func__, hwId);
        }
    }
}

void
GeofenceAdapter::pauseGeofenceItem(uint32_t hwId)
{
    auto it = mGeofences.find(hwId);
    if (it != mGeofences.end()) {
        it->second.paused = true;
        dump();
    } else {
        LOC_LOGE("%s]: geofence item to pause not found. hwId %u", __func__, hwId);
    }
}

void
GeofenceAdapter::resumeGeofenceItem(uint32_t hwId)
{
    auto it = mGeofences.find(hwId);
    if (it != mGeofences.end()) {
        it->second.paused = false;
        dump();
    } else {
        LOC_LOGE("%s]: geofence item to resume not found. hwId %u", __func__, hwId);
    }
}

void
GeofenceAdapter::modifyGeofenceItem(uint32_t hwId, const GeofenceOption& options)
{
    auto it = mGeofences.find(hwId);
    if (it != mGeofences.end()) {
        it->second.breachMask = options.breachTypeMask;
        it->second.responsiveness = options.responsiveness;
        it->second.dwellTime = options.dwellTime;
        it->second.confidence = options.confidence;
        dump();
    } else {
        LOC_LOGE("%s]: geofence item to modify not found. hwId %u", __func__, hwId);
    }
}


void
GeofenceAdapter::geofenceBreachEvent(size_t count, uint32_t* hwIds, Location& location,
        GeofenceBreachType breachType, uint64_t timestamp)
{

    IF_LOC_LOGD {
        std::string idsString = "[";
        if (NULL != hwIds) {
            for (size_t i=0; i < count; ++i) {
                idsString += std::to_string(hwIds[i]) + " ";
            }
        }
        idsString += "]";
        LOC_LOGD("%s]: breachType %u count %zu ids %s",
                 __func__, breachType, count, idsString.c_str());
    }

    if (0 == count || NULL == hwIds)
        return;

    struct MsgGeofenceBreach : public LocMsg {
        GeofenceAdapter& mAdapter;
        size_t mCount;
        uint32_t* mHwIds;
        Location mLocation;
        GeofenceBreachType mBreachType;
        uint64_t mTimestamp;
        inline MsgGeofenceBreach(GeofenceAdapter& adapter,
                                 size_t count,
                                 uint32_t* hwIds,
                                 Location& location,
                                 GeofenceBreachType breachType,
                                 uint64_t timestamp) :
            LocMsg(),
            mAdapter(adapter),
            mCount(count),
            mHwIds(new uint32_t[count]),
            mLocation(location),
            mBreachType(breachType),
            mTimestamp(timestamp)
        {
            if (nullptr == mHwIds) {
                LOC_LOGE("%s]: new failed to allocate mHwIds", __func__);
                return;
            }
            COPY_IF_NOT_NULL(mHwIds, hwIds, mCount);
        }
        inline virtual ~MsgGeofenceBreach() {
            delete[] mHwIds;
        }
        inline virtual void proc() const {
            mAdapter.geofenceBreach(mCount, mHwIds, mLocation, mBreachType, mTimestamp);
        }
    };

    sendMsg(new MsgGeofenceBreach(*this, count, hwIds, location, breachType, timestamp));

}

void
GeofenceAdapter::geofenceBreach(size_t count, uint32_t* hwIds, const Location& location,
        GeofenceBreachType breachType, uint64_t timestamp)
{

    for (auto it = mClientData.begin(); it != mClientData.end(); ++it) {
        uint32_t* clientIds = new uint32_t[count];
        if (nullptr == clientIds) {
            return;
        }
        uint32_t index = 0;
        for (size_t i=0; i < count; ++i) {
            GeofenceKey key;
            LocationError err = getGeofenceKeyFromHwId(hwIds[i], key);
            if (LOCATION_ERROR_SUCCESS == err) {
                if (key.client == it->first) {
                    clientIds[index++] = key.id;
                }
            }
        }
        if (index > 0 && it->second.geofenceBreachCb != nullptr) {
            GeofenceBreachNotification notify = {sizeof(GeofenceBreachNotification),
                                                 index,
                                                 clientIds,
                                                 location,
                                                 breachType,
                                                 timestamp};

            it->second.geofenceBreachCb(notify);
        }
        delete[] clientIds;
    }
}

void
GeofenceAdapter::geofenceStatusEvent(GeofenceStatusAvailable available)
{
    LOC_LOGD("%s]: available %u ", __func__, available);

    struct MsgGeofenceStatus : public LocMsg {
        GeofenceAdapter& mAdapter;
        GeofenceStatusAvailable mAvailable;
        inline MsgGeofenceStatus(GeofenceAdapter& adapter,
                                 GeofenceStatusAvailable available) :
            LocMsg(),
            mAdapter(adapter),
            mAvailable(available) {}
        inline virtual void proc() const {
            mAdapter.geofenceStatus(mAvailable);
        }
    };

    sendMsg(new MsgGeofenceStatus(*this, available));
}

void
GeofenceAdapter::geofenceStatus(GeofenceStatusAvailable available)
{
    for (auto it = mClientData.begin(); it != mClientData.end(); ++it) {
        if (it->second.geofenceStatusCb != nullptr) {
            GeofenceStatusNotification notify = {sizeof(GeofenceStatusNotification),
                                                 available,
                                                 LOCATION_TECHNOLOGY_TYPE_GNSS};
            it->second.geofenceStatusCb(notify);
        }
    }
}

void
GeofenceAdapter::updateSystemPowerStateCommand(PowerStateType powerState)
{
    LOC_LOGD("%s]: powerState: %d", __func__, powerState);

    struct MsgUpdateSystemPowerState : public LocMsg {
        GeofenceAdapter& mAdapter;
        PowerStateType mPowerState;
        inline MsgUpdateSystemPowerState(GeofenceAdapter& adapter,
                PowerStateType powerState) :
            mAdapter(adapter),
            mPowerState(powerState) {}
        inline virtual void proc() const {
            mAdapter.updateSystemPowerState(mPowerState);
        }
    };

    sendMsg(new MsgUpdateSystemPowerState(*this, powerState));
}


void
GeofenceAdapter::pauseOrResumeGeofences(bool pauseOrResume /*false - pause, true - resume*/)
{
    for (auto it = mGeofenceIds.begin(); it != mGeofenceIds.end(); ++it) {

        uint32_t hwId = it->second;
        if (false == pauseOrResume) {
            mLocApi->pauseGeofence(it->second, it->first.id, new LocApiResponse(*getContext(),
                    [&mAdapter = *this, hwId = hwId] (LocationError err) {
                if (LOCATION_ERROR_SUCCESS == err) {
                    mAdapter.pauseGeofenceItem(hwId);
                }
            }));
        } else {
            mLocApi->resumeGeofence(it->second, it->first.id, new LocApiResponse(*getContext(),
                    [&mAdapter = *this, hwId = hwId] (LocationError err) {
                if (LOCATION_ERROR_SUCCESS == err) {
                    mAdapter.resumeGeofenceItem(hwId);
                }
            }));
        }
    }
}

void
GeofenceAdapter::updateSystemPowerState(PowerStateType systemPowerState)
{

    if (POWER_STATE_UNKNOWN != systemPowerState) {
        mSystemPowerState = systemPowerState;

        /*Manage active GNSS sessions based on power event*/
        switch (systemPowerState){

            case POWER_STATE_SUSPEND:
            case POWER_STATE_SHUTDOWN:
                pauseOrResumeGeofences(false /*pause*/);
                LOC_LOGd("Pause all geoFences -- powerState: %d", systemPowerState);
                break;
            case POWER_STATE_RESUME:
                pauseOrResumeGeofences(true /*resume*/);
                LOC_LOGd("Resume all geoFences -- powerState: %d", systemPowerState);
                break;
            default:
                break;
        } // switch
    }

}

void
GeofenceAdapter::dump()
{
    IF_LOC_LOGV {
        LOC_LOGV(
            "HAL | hwId  | mask | respon | latitude | longitude | radius | paused |  Id  | client");
        for (auto it = mGeofences.begin(); it != mGeofences.end(); ++it) {
            uint32_t hwId = it->first;
            GeofenceObject object = it->second;
            LOC_LOGV("    | %5u | %4u | %6u | %8.2f | %9.2f | %6.2f | %6u | %04x | %p ",
                    hwId, object.breachMask, object.responsiveness,
                    object.latitude, object.longitude, object.radius,
                    object.paused, object.key.id, object.key.client);
        }
    }
}