#ifndef BLESENSORANDROID_H
#define BLESENSORANDROID_H


#ifdef ANDROID

#include <QAndroidJniObject>

#include "../../misc/Debug.h"
#include "../BLESensor.h"
#include <../misc/fixc11.h>

#include <Indoor/misc/Debug.h>

class BLESensorAndroid : public BLESensor {

private:

    /** hidden ctor. use singleton! */
    BLESensorAndroid() {;}

    bool started = false;

public:

    /** singleton access */
    static BLESensorAndroid& get() {
        static BLESensorAndroid beacon;
        return beacon;
    }

    void start() override {

        // do NOT start twice!
        if (started) {return;}
        started = true;

        // start scanning
        int res = QAndroidJniObject::callStaticMethod<int>("indoor/java/BLE", "start", "()I");
        if (res != 1337) {throw Exception("error while starting BLE");}

    }

    void stop() override {
        throw "todo";
    }

    bool isRunning() const override {
        return started;
    }

    /**
     * called from WiFi.java
     * handle the given incoming scan result
     * just a bit curious, thus std::string instead of std::string&
    */
    void handle(const std::string data) {

        // tag all scan-entries with the current app runtime
        const Timestamp curTS = Timestamp::fromRunningTime();

        // parse each mac->rssi entry
        const std::string bssid = data.substr(0,17);
        const int8_t rssi = data[17];
        const int8_t pad1 = data[18];
        const int8_t pad2 = data[19];
        if (pad1 != 0 || pad2 != 0) {Debug::error("padding error within BLE scan result");}

        //Log::add("BLE", bssid + "; " + std::to_string(static_cast<int>(rssi)));

        // call listeners
        informListeners(BeaconMeasurement(curTS, Beacon(bssid), rssi));
    }

};




#endif

#endif // BLESENSORANDROID_H