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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.
*/

#ifndef LOC_API_ADAPTER_BASE_H
#define LOC_API_ADAPTER_BASE_H

#include <gps_extended.h>
#include <ContextBase.h>
#include <LocationAPI.h>
#include <map>

typedef struct LocationSessionKey {
    LocationAPI* client;
    uint32_t id;
    inline LocationSessionKey(LocationAPI* _client, uint32_t _id) :
        client(_client), id(_id) {}
} LocationSessionKey;
inline bool operator <(LocationSessionKey const& left, LocationSessionKey const& right) {
    return left.id < right.id || (left.id == right.id && left.client < right.client);
}
inline bool operator ==(LocationSessionKey const& left, LocationSessionKey const& right) {
    return left.id == right.id && left.client == right.client;
}
inline bool operator !=(LocationSessionKey const& left, LocationSessionKey const& right) {
    return left.id != right.id || left.client != right.client;
}

typedef void (*removeClientCompleteCallback)(LocationAPI* client);

namespace loc_core {

class LocAdapterProxyBase;

class LocAdapterBase {
private:
    static uint32_t mSessionIdCounter;
    const bool mIsMaster;
    bool mIsEngineCapabilitiesKnown = false;

protected:
    LOC_API_ADAPTER_EVENT_MASK_T mEvtMask;
    ContextBase* mContext;
    LocApiBase* mLocApi;
    LocAdapterProxyBase* mLocAdapterProxyBase;
    const MsgTask* mMsgTask;
    bool mAdapterAdded;

    inline LocAdapterBase(const MsgTask* msgTask) :
        mIsMaster(false), mEvtMask(0), mContext(NULL), mLocApi(NULL),
        mLocAdapterProxyBase(NULL), mMsgTask(msgTask), mAdapterAdded(false) {}

    /* ==== CLIENT ========================================================================= */
    typedef std::map<LocationAPI*, LocationCallbacks> ClientDataMap;
    ClientDataMap mClientData;
    std::vector<LocMsg*> mPendingMsgs; // For temporal storage of msgs before Open is completed
    /* ======== UTILITIES ================================================================== */
    void saveClient(LocationAPI* client, const LocationCallbacks& callbacks);
    void eraseClient(LocationAPI* client);
    LocationCallbacks getClientCallbacks(LocationAPI* client);
    LocationCapabilitiesMask getCapabilities();
    void broadcastCapabilities(LocationCapabilitiesMask mask);
    virtual void updateClientsEventMask();
    virtual void stopClientSessions(LocationAPI* client, bool eraseSession = true);

public:
    inline virtual ~LocAdapterBase() { mLocApi->removeAdapter(this); }
    // When waitForDoneInit is not specified or specified as false,
    // handleEngineUpEvent may be called on the child adapter object from
    // a different thread before the constructor of the child
    // object finishes.
    //
    // If the handleEngineUpEvent relies on member variables of the constructor
    // of the child adapter to be initialized first, we need to specify the
    // waitForDoneInit to *TRUE* to delay handleEngineUpEvent to get called
    // until when the child adapter finishes its initialization and notify
    // LocAdapterBase via doneInit method.
    LocAdapterBase(const LOC_API_ADAPTER_EVENT_MASK_T mask,
                   ContextBase* context, bool isMaster = false,
                   LocAdapterProxyBase *adapterProxyBase = NULL,
                   bool waitForDoneInit = false);

    inline void doneInit() {
        if (!mAdapterAdded) {
            mLocApi->addAdapter(this);
            mAdapterAdded = true;
        }
    }

    inline LOC_API_ADAPTER_EVENT_MASK_T
        checkMask(LOC_API_ADAPTER_EVENT_MASK_T mask) const {
        return mEvtMask & mask;
    }

    inline LOC_API_ADAPTER_EVENT_MASK_T getEvtMask() const {
        return mEvtMask;
    }

    inline void sendMsg(const LocMsg* msg) const {
        mMsgTask->sendMsg(msg);
    }

    inline void sendMsg(const LocMsg* msg) {
        mMsgTask->sendMsg(msg);
    }

    inline void updateEvtMask(LOC_API_ADAPTER_EVENT_MASK_T event,
                              loc_registration_mask_status status)
    {
        switch(status) {
            case (LOC_REGISTRATION_MASK_ENABLED):
                mEvtMask = mEvtMask | event;
                break;
            case (LOC_REGISTRATION_MASK_DISABLED):
                mEvtMask = mEvtMask &~ event;
                break;
            case (LOC_REGISTRATION_MASK_SET):
                mEvtMask = event;
                break;
        }
        mLocApi->updateEvtMask();
    }

    inline void updateNmeaMask(uint32_t mask)
    {
        mLocApi->updateNmeaMask(mask);
    }

    inline bool isFeatureSupported(uint8_t featureVal) {
        return ContextBase::isFeatureSupported(featureVal);
    }

    static uint32_t generateSessionId();

    inline bool isAdapterMaster() {
        return mIsMaster;
    }

    inline bool isEngineCapabilitiesKnown() { return mIsEngineCapabilitiesKnown;}
    inline void setEngineCapabilitiesKnown(bool value) { mIsEngineCapabilitiesKnown = value;}

    virtual void handleEngineUpEvent();
    virtual void handleEngineDownEvent();
    virtual void reportPositionEvent(const UlpLocation& location,
                                     const GpsLocationExtended& locationExtended,
                                     enum loc_sess_status status,
                                     LocPosTechMask loc_technology_mask,
                                     GnssDataNotification* pDataNotify = nullptr,
                                     int msInWeek = -1);
    virtual void reportEnginePositionsEvent(unsigned int count,
                                            EngineLocationInfo* locationArr) {
        (void)count;
        (void)locationArr;
    }
    virtual void reportSvEvent(const GnssSvNotification& svNotify);
    virtual void reportDataEvent(const GnssDataNotification& dataNotify, int msInWeek);
    virtual void reportNmeaEvent(const char* nmea, size_t length);
    virtual void reportSvPolynomialEvent(GnssSvPolynomial &svPolynomial);
    virtual void reportSvEphemerisEvent(GnssSvEphemerisReport &svEphemeris);
    virtual void reportStatus(LocGpsStatusValue status);
    virtual bool reportXtraServer(const char* url1, const char* url2,
                                  const char* url3, const int maxlength);
    virtual void reportLocationSystemInfoEvent(const LocationSystemInfo& locationSystemInfo);

    virtual bool requestXtraData();
    virtual bool requestTime();
    virtual bool requestLocation();
    virtual bool requestATL(int connHandle, LocAGpsType agps_type,
                            LocApnTypeMask apn_type_mask,
                            LocSubId sub_id=LOC_DEFAULT_SUB);
    virtual bool releaseATL(int connHandle);
    virtual bool requestNiNotifyEvent(const GnssNiNotification &notify, const void* data,
                                      const LocInEmergency emergencyState);
    inline virtual bool isInSession() { return false; }
    ContextBase* getContext() const { return mContext; }
    virtual void reportGnssMeasurementsEvent(const GnssMeasurements& gnssMeasurements,
                                                int msInWeek);
    virtual bool reportWwanZppFix(LocGpsLocation &zppLoc);
    virtual bool reportZppBestAvailableFix(LocGpsLocation &zppLoc,
            GpsLocationExtended &location_extended, LocPosTechMask tech_mask);
    virtual void reportGnssSvIdConfigEvent(const GnssSvIdConfig& config);
    virtual void reportGnssSvTypeConfigEvent(const GnssSvTypeConfig& config);
    virtual void reportGnssConfigEvent(uint32_t sessionId, const GnssConfig& gnssConfig);
    virtual bool requestOdcpiEvent(OdcpiRequestInfo& request);
    virtual bool reportGnssEngEnergyConsumedEvent(uint64_t energyConsumedSinceFirstBoot);
    virtual bool reportDeleteAidingDataEvent(GnssAidingData &aidingData);
    virtual bool reportKlobucharIonoModelEvent(GnssKlobucharIonoModel& ionoModel);
    virtual bool reportGnssAdditionalSystemInfoEvent(
            GnssAdditionalSystemInfo& additionalSystemInfo);
    virtual void reportNfwNotificationEvent(GnssNfwNotification& notification);

    virtual void geofenceBreachEvent(size_t count, uint32_t* hwIds, Location& location,
                                     GeofenceBreachType breachType, uint64_t timestamp);
    virtual void geofenceStatusEvent(GeofenceStatusAvailable available);

    virtual void reportPositionEvent(UlpLocation &location,
                                     GpsLocationExtended &locationExtended,
                                     enum loc_sess_status status,
                                     LocPosTechMask loc_technology_mask);

    virtual void reportLocationsEvent(const Location* locations, size_t count,
            BatchingMode batchingMode);
    virtual void reportCompletedTripsEvent(uint32_t accumulated_distance);
    virtual void reportBatchStatusChangeEvent(BatchingStatus batchStatus);

    /* ==== CLIENT ========================================================================= */
    /* ======== COMMANDS ====(Called from Client Thread)==================================== */
    void addClientCommand(LocationAPI* client, const LocationCallbacks& callbacks);
    void removeClientCommand(LocationAPI* client,
                             removeClientCompleteCallback rmClientCb);
    void requestCapabilitiesCommand(LocationAPI* client);

    virtual void reportLatencyInfoEvent(const GnssLatencyInfo& gnssLatencyInfo);
    virtual void reportEngDebugDataInfoEvent(GnssEngineDebugDataInfo& gnssEngineDebugDataInfo);
    virtual bool reportQwesCapabilities(
            const std::unordered_map<LocationQwesFeatureType, bool> &featureMap);
};

} // namespace loc_core

#endif //LOC_API_ADAPTER_BASE_H
