/* Copyright (c) 2017-2020, 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
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 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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/*
Changes from Qualcomm Innovation Center are provided under the following license:

Copyright (c) 2022, 2023 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.
*/

#include "GnssAdapter.h"
#include "location_interface.h"

static GnssAdapter* gGnssAdapter = NULL;

static void initialize();
static void deinitialize();

static void addClient(LocationAPI* client, const LocationCallbacks& callbacks);
static void removeClient(LocationAPI* client, removeClientCompleteCallback rmClientCb);
static void requestCapabilities(LocationAPI* client);

static uint32_t startTracking(LocationAPI* client, TrackingOptions&);
static void updateTrackingOptions(LocationAPI* client, uint32_t id, TrackingOptions&);
static void stopTracking(LocationAPI* client, uint32_t id);

static void gnssNiResponse(LocationAPI* client, uint32_t id, GnssNiResponse response);
static uint32_t gnssDeleteAidingData(GnssAidingData& data);
static void gnssUpdateXtraThrottle(const bool enabled);

static void setControlCallbacks(LocationControlCallbacks& controlCallbacks);
static uint32_t enable(LocationTechnologyType techType);
static void disable(uint32_t id);
static uint32_t* gnssUpdateConfig(const GnssConfig& config);
static uint32_t* gnssGetConfig(GnssConfigFlagsMask mask);

static void gnssUpdateSvTypeConfig(GnssSvTypeConfig& config);
static void gnssGetSvTypeConfig(GnssSvTypeConfigCallback& callback);
static void gnssResetSvTypeConfig();

static void injectLocation(double latitude, double longitude, float accuracy);
static void injectLocationExt(const GnssLocationInfoNotification &locationInfo);
static void injectTime(int64_t time, int64_t timeReference, int32_t uncertainty);

static void agpsInit(const AgpsCbInfo& cbInfo);
static void agpsDataConnOpen(AGpsExtType agpsType, const char* apnName, int apnLen, int ipType);
static void agpsDataConnClosed(AGpsExtType agpsType);
static void agpsDataConnFailed(AGpsExtType agpsType);
static void getDebugReport(GnssDebugReport& report);
static void updateConnectionStatus(bool connected, int8_t type, bool roaming,
                                   NetworkHandle networkHandle, string& apn);
static void getGnssEnergyConsumed(GnssEnergyConsumedCallback energyConsumedCb);
static void enableNfwLocationAccess(bool enable);
static void nfwInit(const NfwCbInfo& cbInfo);
static void getPowerStateChanges(std::function<void(bool)> powerStateCb);

static void odcpiInit(const OdcpiRequestCallback& callback, OdcpiPrioritytype priority,
        OdcpiCallbackTypeMask typeMask);
static void deRegisterOdcpi(OdcpiPrioritytype priority, OdcpiCallbackTypeMask typeMask);
static void odcpiInject(const Location& location);

static void blockCPI(double latitude, double longitude, float accuracy,
                     int blockDurationMsec, double latLonDiffThreshold);
static void updateBatteryStatus(bool charging);
static void updateSystemPowerState(PowerStateType systemPowerState);
static uint32_t setConstrainedTunc (bool enable, float tuncConstraint,
                                    uint32_t energyBudget);
static uint32_t setPositionAssistedClockEstimator(bool enable);
static uint32_t gnssUpdateSvConfig(const GnssSvTypeConfig& constellationEnablementConfig,
                                   const GnssSvIdConfig& blacklistSvConfig);
static uint32_t gnssResetSvConfig();
static uint32_t configLeverArm(const LeverArmConfigInfo& configInfo);
static uint32_t configRobustLocation(bool enable, bool enableForE911);
static uint32_t configMinGpsWeek(uint16_t minGpsWeek);
static uint32_t configDeadReckoningEngineParams(const DeadReckoningEngineConfig& dreConfig);
static uint32_t gnssUpdateSecondaryBandConfig(const GnssSvTypeConfig& secondaryBandConfig);
static uint32_t gnssGetSecondaryBandConfig();
static void resetNetworkInfo();

static void updateNTRIPGGAConsent(bool consentAccepted);
static void enablePPENtripStream(const GnssNtripConnectionParams& params, bool enableRTKEngine);
static void disablePPENtripStream();

static bool measCorrInit(const measCorrSetCapabilitiesCb setCapabilitiesCb);
static bool measCorrSetCorrections(const GnssMeasurementCorrections gnssMeasCorr);
static void measCorrClose();
static uint32_t antennaInfoInit(const antennaInfoCb antennaInfoCallback);
static void antennaInfoClose();
static uint32_t configEngineRunState(PositioningEngineMask engType, LocEngineRunState engState);

static const GnssInterface gGnssInterface = {
    sizeof(GnssInterface),
    initialize,
    deinitialize,
    addClient,
    removeClient,
    requestCapabilities,
    startTracking,
    updateTrackingOptions,
    stopTracking,
    gnssNiResponse,
    setControlCallbacks,
    enable,
    disable,
    gnssUpdateConfig,
    gnssGetConfig,
    gnssUpdateSvTypeConfig,
    gnssGetSvTypeConfig,
    gnssResetSvTypeConfig,
    gnssDeleteAidingData,
    gnssUpdateXtraThrottle,
    injectLocation,
    injectTime,
    agpsInit,
    agpsDataConnOpen,
    agpsDataConnClosed,
    agpsDataConnFailed,
    getDebugReport,
    updateConnectionStatus,
    odcpiInit,
    deRegisterOdcpi,
    odcpiInject,
    blockCPI,
    getGnssEnergyConsumed,
    enableNfwLocationAccess,
    nfwInit,
    getPowerStateChanges,
    injectLocationExt,
    updateBatteryStatus,
    updateSystemPowerState,
    setConstrainedTunc,
    setPositionAssistedClockEstimator,
    gnssUpdateSvConfig,
    configLeverArm,
    measCorrInit,
    measCorrSetCorrections,
    measCorrClose,
    antennaInfoInit,
    antennaInfoClose,
    configRobustLocation,
    configMinGpsWeek,
    configDeadReckoningEngineParams,
    updateNTRIPGGAConsent,
    enablePPENtripStream,
    disablePPENtripStream,
    gnssUpdateSecondaryBandConfig,
    gnssGetSecondaryBandConfig,
    resetNetworkInfo,
    configEngineRunState
};

#ifndef DEBUG_X86
extern "C" const GnssInterface* getGnssInterface()
#else
const GnssInterface* getGnssInterface()
#endif // DEBUG_X86
{
   gGnssInterface.initialize();
   return &gGnssInterface;
}

static void initialize()
{
    if (NULL == gGnssAdapter) {
        gGnssAdapter = new GnssAdapter();
    }
}

static void deinitialize()
{
    if (NULL != gGnssAdapter) {
        delete gGnssAdapter;
        gGnssAdapter = NULL;
    }
}

static void addClient(LocationAPI* client, const LocationCallbacks& callbacks)
{
    if (NULL != gGnssAdapter) {
        gGnssAdapter->addClientCommand(client, callbacks);
    }
}

static void removeClient(LocationAPI* client, removeClientCompleteCallback rmClientCb)
{
    if (NULL != gGnssAdapter) {
        gGnssAdapter->removeClientCommand(client, rmClientCb);
    }
}

static void requestCapabilities(LocationAPI* client)
{
    if (NULL != gGnssAdapter) {
        gGnssAdapter->requestCapabilitiesCommand(client);
    }
}

static uint32_t startTracking(
        LocationAPI* client, TrackingOptions& trackingOptions)
{
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->startTrackingCommand(client, trackingOptions);
    } else {
        return 0;
    }
}

static void updateTrackingOptions(
        LocationAPI* client, uint32_t id, TrackingOptions& trackingOptions)
{
    if (NULL != gGnssAdapter) {
        gGnssAdapter->updateTrackingOptionsCommand(
                client, id, trackingOptions);
    }
}

static void stopTracking(LocationAPI* client, uint32_t id)
{
    if (NULL != gGnssAdapter) {
        gGnssAdapter->stopTrackingCommand(client, id);
    }
}

static void gnssNiResponse(LocationAPI* client, uint32_t id, GnssNiResponse response)
{
    if (NULL != gGnssAdapter) {
        gGnssAdapter->gnssNiResponseCommand(client, id, response);
    }
}

static void setControlCallbacks(LocationControlCallbacks& controlCallbacks)
{
    if (NULL != gGnssAdapter) {
        gGnssAdapter->setControlCallbacksCommand(controlCallbacks);
    }
}

static uint32_t enable(LocationTechnologyType techType)
{
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->enableCommand(techType);
    } else {
        return 0;
    }
}

static void disable(uint32_t id)
{
    if (NULL != gGnssAdapter) {
        gGnssAdapter->disableCommand(id);
    }
}

static uint32_t* gnssUpdateConfig(const GnssConfig& config)
{
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->gnssUpdateConfigCommand(config);
    } else {
        return NULL;
    }
}

static uint32_t* gnssGetConfig(GnssConfigFlagsMask mask)
{
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->gnssGetConfigCommand(mask);
    } else {
        return NULL;
    }
}

static void gnssUpdateSvTypeConfig(GnssSvTypeConfig& config)
{
    if (NULL != gGnssAdapter) {
        gGnssAdapter->gnssUpdateSvTypeConfigCommand(config);
    }
}

static void gnssGetSvTypeConfig(GnssSvTypeConfigCallback& callback)
{
    if (NULL != gGnssAdapter) {
        gGnssAdapter->gnssGetSvTypeConfigCommand(callback);
    }
}

static void gnssResetSvTypeConfig()
{
    if (NULL != gGnssAdapter) {
        gGnssAdapter->gnssResetSvTypeConfigCommand();
    }
}

static uint32_t gnssDeleteAidingData(GnssAidingData& data)
{
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->gnssDeleteAidingDataCommand(data);
    } else {
        return 0;
    }
}

static void gnssUpdateXtraThrottle(const bool enabled)
{
    if (NULL != gGnssAdapter) {
        gGnssAdapter->gnssUpdateXtraThrottleCommand(enabled);
    }
}

static void injectLocation(double latitude, double longitude, float accuracy)
{
   if (NULL != gGnssAdapter) {
       gGnssAdapter->injectLocationCommand(latitude, longitude, accuracy);
   }
}

static void injectTime(int64_t time, int64_t timeReference, int32_t uncertainty)
{
   if (NULL != gGnssAdapter) {
       gGnssAdapter->injectTimeCommand(time, timeReference, uncertainty);
   }
}

static void agpsInit(const AgpsCbInfo& cbInfo) {

    if (NULL != gGnssAdapter) {
        gGnssAdapter->initAgpsCommand(cbInfo);
    }
}
static void agpsDataConnOpen(
        AGpsExtType agpsType, const char* apnName, int apnLen, int ipType) {

    if (NULL != gGnssAdapter) {
        gGnssAdapter->dataConnOpenCommand(
                agpsType, apnName, apnLen, (AGpsBearerType)ipType);
    }
}
static void agpsDataConnClosed(AGpsExtType agpsType) {

    if (NULL != gGnssAdapter) {
        gGnssAdapter->dataConnClosedCommand(agpsType);
    }
}
static void agpsDataConnFailed(AGpsExtType agpsType) {

    if (NULL != gGnssAdapter) {
        gGnssAdapter->dataConnFailedCommand(agpsType);
    }
}

static void getDebugReport(GnssDebugReport& report) {

    if (NULL != gGnssAdapter) {
        gGnssAdapter->getDebugReport(report);
    }
}

static void updateConnectionStatus(bool connected, int8_t type,
                                   bool roaming, NetworkHandle networkHandle,
                                   string& apn) {
    if (NULL != gGnssAdapter) {
        gGnssAdapter->getSystemStatus()->eventConnectionStatus(
                connected, type, roaming, networkHandle, apn);
    }
}

static void odcpiInit(const OdcpiRequestCallback& callback, OdcpiPrioritytype priority,
        OdcpiCallbackTypeMask typeMask)
{
    if (NULL != gGnssAdapter) {
        gGnssAdapter->initOdcpiCommand(callback, priority, typeMask);
    }
}

static void deRegisterOdcpi(OdcpiPrioritytype priority, OdcpiCallbackTypeMask typeMask) {
    if (NULL != gGnssAdapter) {
        gGnssAdapter->deRegisterOdcpiCommand(priority, typeMask);
    }
}

static void odcpiInject(const Location& location)
{
    if (NULL != gGnssAdapter) {
        gGnssAdapter->injectOdcpiCommand(location);
    }
}

static void blockCPI(double latitude, double longitude, float accuracy,
                     int blockDurationMsec, double latLonDiffThreshold) {
    if (NULL != gGnssAdapter) {
        gGnssAdapter->blockCPICommand(latitude, longitude, accuracy,
                                      blockDurationMsec, latLonDiffThreshold);
    }
}

static void getGnssEnergyConsumed(GnssEnergyConsumedCallback energyConsumedCb) {
    if (NULL != gGnssAdapter) {
        gGnssAdapter->getGnssEnergyConsumedCommand(energyConsumedCb);
    }
}

static void enableNfwLocationAccess(bool enable) {
    if (NULL != gGnssAdapter) {
        gGnssAdapter->nfwControlCommand(enable);
    }
}

static void nfwInit(const NfwCbInfo& cbInfo) {
    if (NULL != gGnssAdapter) {
        gGnssAdapter->initNfwCommand(cbInfo);
    }
}

static void getPowerStateChanges(std::function<void(bool)> powerStateCb)
{
    if (NULL != gGnssAdapter) {
        gGnssAdapter->getPowerStateChangesCommand(powerStateCb);
    }
}

static void injectLocationExt(const GnssLocationInfoNotification &locationInfo)
{
   if (NULL != gGnssAdapter) {
       gGnssAdapter->injectLocationExtCommand(locationInfo);
   }
}

static void updateBatteryStatus(bool charging) {
    if (NULL != gGnssAdapter) {
        gGnssAdapter->getSystemStatus()->updatePowerConnectState(charging);
    }
}

static void resetNetworkInfo() {
    if (NULL != gGnssAdapter) {
        gGnssAdapter->getSystemStatus()->resetNetworkInfo();
    }
}

static void updateSystemPowerState(PowerStateType systemPowerState) {
   if (NULL != gGnssAdapter) {
       gGnssAdapter->updateSystemPowerStateCommand(systemPowerState);
   }
}

static uint32_t setConstrainedTunc (bool enable, float tuncConstraint, uint32_t energyBudget) {
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->setConstrainedTuncCommand(enable, tuncConstraint, energyBudget);
    } else {
        return 0;
    }
}

static uint32_t setPositionAssistedClockEstimator(bool enable) {
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->setPositionAssistedClockEstimatorCommand(enable);
    } else {
        return 0;
    }
}

static uint32_t gnssUpdateSvConfig(
        const GnssSvTypeConfig& constellationEnablementConfig,
        const GnssSvIdConfig&   blacklistSvConfig) {
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->gnssUpdateSvConfigCommand(
                constellationEnablementConfig, blacklistSvConfig);
    } else {
        return 0;
    }
}

static uint32_t configLeverArm(const LeverArmConfigInfo& configInfo){
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->configLeverArmCommand(configInfo);
    } else {
        return 0;
    }
}

static bool measCorrInit(const measCorrSetCapabilitiesCb setCapabilitiesCb) {
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->openMeasCorrCommand(setCapabilitiesCb);
    } else {
        return false;
    }
}

static bool measCorrSetCorrections(const GnssMeasurementCorrections gnssMeasCorr) {
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->measCorrSetCorrectionsCommand(gnssMeasCorr);
    } else {
        return false;
    }
}

static void measCorrClose() {
    if (NULL != gGnssAdapter) {
        gGnssAdapter->closeMeasCorrCommand();
    }
}

static uint32_t antennaInfoInit(const antennaInfoCb antennaInfoCallback) {
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->antennaInfoInitCommand(antennaInfoCallback);
    } else {
        return ANTENNA_INFO_ERROR_GENERIC;
    }
}

static void antennaInfoClose() {
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->antennaInfoCloseCommand();
    }
}

static uint32_t configRobustLocation(bool enable, bool enableForE911){
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->configRobustLocationCommand(enable, enableForE911);
    } else {
        return 0;
    }
}

static uint32_t configMinGpsWeek(uint16_t minGpsWeek){
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->configMinGpsWeekCommand(minGpsWeek);
    } else {
        return 0;
    }
}

static uint32_t configDeadReckoningEngineParams(const DeadReckoningEngineConfig& dreConfig){
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->configDeadReckoningEngineParamsCommand(dreConfig);
    } else {
        return 0;
    }
}

static uint32_t gnssUpdateSecondaryBandConfig(
        const GnssSvTypeConfig& secondaryBandConfig) {
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->gnssUpdateSecondaryBandConfigCommand(secondaryBandConfig);
    } else {
        return 0;
    }
}

static uint32_t gnssGetSecondaryBandConfig(){
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->gnssGetSecondaryBandConfigCommand();
    } else {
        return 0;
    }
}

static void updateNTRIPGGAConsent(bool consentAccepted){
    if (NULL != gGnssAdapter) {
        // Call will be enabled once GnssAdapter impl. is ready.
        gGnssAdapter->updateNTRIPGGAConsentCommand(consentAccepted);
    }
}

static void enablePPENtripStream(const GnssNtripConnectionParams& params, bool enableRTKEngine){
    if (NULL != gGnssAdapter) {
        // Call will be enabled once GnssAdapter impl. is ready.
        gGnssAdapter->enablePPENtripStreamCommand(params, enableRTKEngine);
    }
}

static void disablePPENtripStream(){
    if (NULL != gGnssAdapter) {
        // Call will be enabled once GnssAdapter impl. is ready.
        gGnssAdapter->disablePPENtripStreamCommand();
    }
}

static uint32_t configEngineRunState(PositioningEngineMask engType, LocEngineRunState engState) {
    if (NULL != gGnssAdapter) {
        return gGnssAdapter->configEngineRunStateCommand(engType, engState);
    } else {
        return 0;
    }
}