#include "sensors.h"

Sensors::Sensors(int temperaturePin, char *temperatureTopic, char *phTopic, Networking* networking) {
	_networking = networking;
	OneWire oneWire = OneWire(temperaturePin);
	_ds18b20 = DallasTemperature(&oneWire);
	_temperaturePin = temperaturePin;
	_temperatureTopic = temperatureTopic;
	_phTopic = phTopic;
}

void Sensors::setup() {
	pinMode(_temperaturePin, INPUT_PULLUP);
	_ds18b20.begin();
	_ads.setGain(GAIN_TWOTHIRDS);
	_ads.begin();
}

float Sensors::readpH() {
	int sum = 0;
	const int readCount = 10;

	for (int i = 0; i < readCount; i++) {
		sum += _ads.readADC_SingleEnded(0);
		delay(10);
	}

	float averageRead = float(sum) / readCount;

	float voltage = 6.144 / 32768.0 * averageRead;
	voltage -= VOLTAGE_OFFSET;
	Serial.println(voltage);
	float pH = 7 - ((PH_7_VOLTAGE - voltage) / _pHStep);
	return pH;
}

void Sensors::publishpH() {
	float pH = readpH();
	String pHString(pH, 2);
	_networking->publish(_phTopic, pHString.c_str(), true);
}

void Sensors::publishTemperature() {
	_ds18b20.requestTemperatures();
	float temperature = _ds18b20.getTempCByIndex(0);
	String temperatureString(temperature, 2);
	_networking->publish(_temperatureTopic, temperatureString.c_str(), true);
}