#include "Sensors.h"

Sensors::Sensors(int temperaturePin, Networking* networking, DallasTemperature* ds18b20) {
	_networking = networking;
	//OneWire oneWire = OneWire(temperaturePin);
	//_ds18b20 = DallasTemperature(&oneWire);
	_ds18b20 = ds18b20;
	_temperaturePin = temperaturePin;
}

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;
	float pH = 7 - ((PH_7_VOLTAGE - voltage) / _pHStep);
	return pH;
}

const char* Sensors::getTemperature(){
	_ds18b20->requestTemperatures();
	float temperature = _ds18b20->getTempCByIndex(0);
	int attemptStart = millis();
	while ((temperature == 85 || temperature == -127))
	{
		if (attemptStart - millis() > 1000)
			return "Pending...";
		temperature = _ds18b20->getTempCByIndex(0);
	}
	String temperatureString(temperature, 2);
	return temperatureString.c_str();
}

const char* Sensors::getpH() {
	float pH = readpH();
	String pHString(pH, 2);
	return pHString.c_str();
}