#ifndef WIFIMEASUREMENT_H
#define WIFIMEASUREMENT_H

#include "AccessPoint.h"
#include "../../data/Timestamp.h"

/**
 * describes a measurement received for one access-point at a given time
 */
class WiFiMeasurement {

private:

	friend class VAPGrouper;

	/** the access-point we got a measurement for */
	AccessPoint ap;

	/** the measured signal strength */
	float rssi;

    /** OPTIONAL. frequence the signal was received */
    float freq;

	/** OPTIONAL. timestamp the measurement was recorded at */
	Timestamp ts;

public:

	/** ctor */
	WiFiMeasurement(const AccessPoint& ap, const float rssi) : ap(ap), rssi(rssi) {
		;
	}

    /** ctor with freq*/
    WiFiMeasurement(const AccessPoint& ap, const float rssi, const float freq) : ap(ap), rssi(rssi), freq(freq) {
            ;
    }

    /** ctor with timestamp */
    WiFiMeasurement(const AccessPoint& ap, const float rssi, const Timestamp ts) : ap(ap), rssi(rssi), ts(ts) {
            ;
    }

    /** ctor with timestamp and freq*/
    WiFiMeasurement(const AccessPoint& ap, const float rssi, const float freq, const Timestamp ts) : ap(ap), rssi(rssi), freq(freq), ts(ts) {
            ;
    }

public:

    /** get the AP we got the measurement for */
    const AccessPoint& getAP() const {return ap;}

    /** get the measurement's signal strength */
    float getRSSI() const {return rssi;}

    /** OPTIONAL: get the measurement's timestamp (if known!) */
    const Timestamp& getTimestamp() const {return ts;}

    /** OPTIONAL: get the measurement's frequence (if known!) */
    float getFrequency() const {return freq;}

    /** set another signal strength */
    void setRssi(float value){rssi = value;}

    /** set the timestamp */
    void setTimestamp(const Timestamp& val){ts = val;}
};



#endif // WIFIMEASUREMENT_H