/*
  Jardiniere pilotée
  http://www.arduino.cc/en/Tutorial/BuiltInExamples
  https://roboticsbackend.com/how-to-do-multitasking-with-arduino/#:~:text=%20In%20order%20to%20multitask%20with%20Arduino%2C%20follow,your%20program%20is%20listening%20to%20a...%20More%20
unsigned long previousTimeLed1 = millis();
long timeIntervalLed1 = 1000;

in loop:
  unsigned long currentTime = millis();
  if(currentTime - previousTimeLed1 > timeIntervalLed1) {
    previousTimeLed1 = currentTime;
    }
  https://wokwi.com/arduino/projects/309649663015780928

*/
// Constants won't change. Used here to also set pin number:
// Broches
const int niveauEauPin = 3;        //Entrée Digitale D3
const int pompePin = 4;            //Sortie Digitale D4
const int eclairagePin = 5;        //Sortie Digitale D5
const int commandeCapteursPin = 6; //Sortie Digitale D4
const int ledNiveauPin = 7;        //Sortie Digitale D4
const int humidityPin = A1;        //Entrée Analogique A1

// Variables will change:
float humidityValue = 0;           //value read from the sensor
float humidityMax = 553;           //Lecture max capteur humidité en cours-circuit
float niveauEauValue = 0;
int seuilHumidity = 85;
int ledState = HIGH;             // ledState used to set the LED

//Déclaration Temporisation
int heures = 11;
int minutes = 01;
int secondes = 30;
const long interval = 990;        // Intervalle Seconde pour la fonction Horloge
unsigned long previousMillis = 0;  // will store last time
unsigned long previousTimeHorloge = millis();
unsigned long previousTimeMesure = millis();
unsigned long previousTimeLed = millis();
unsigned long previousTimeLedHigh = millis();
long timeIntervalHorloge = 495;
long timeIntervalMesure = 30000;
long OnTime = 50;           // milliseconds of on-time Led
long OffTime = 950;          // milliseconds of off-time Led
int debutPompe = 2;      // /!\ en secondes
int dureePompe = 2;      // /!\ en secondes
int DebutEclairageMatin = 7;
int FinEclairageMatin = 10;
int DebutEclairageSoir = 18;
int FinEclairageSoir = 21;

// the setup function runs once when you press reset or power the board
void setup() {
  // initialize pin as output or input
  pinMode(eclairagePin, OUTPUT);
  pinMode(pompePin, OUTPUT);
  pinMode(commandeCapteursPin, OUTPUT);
  pinMode(ledNiveauPin, OUTPUT);
  pinMode(niveauEauPin, INPUT);
  //Etat initial des sorties
  digitalWrite(eclairagePin, LOW);
  digitalWrite(pompePin, LOW);
  digitalWrite(ledNiveauPin, LOW);
  digitalWrite(commandeCapteursPin, HIGH);
  // initialize serial communications at 9600 bps:
  Serial.begin(9600);
}

// the loop function runs over and over again forever
void loop() {
  unsigned long currentTime = millis();
  //Affichage de l'heure
  if(currentTime - previousTimeHorloge > timeIntervalHorloge) {
    previousTimeHorloge = currentTime;
    myClockFunction();
  }
  //Lecture des capteurs
  if(currentTime - previousTimeMesure > timeIntervalMesure) {
    previousTimeMesure = currentTime;
    mySensorsReading();
  }
  // Arrosage
  if (humidityValue < seuilHumidity && niveauEauValue == 1) {
    if (minutes == debutPompe && secondes >= 2 && secondes <= dureePompe) {
      digitalWrite(pompePin, HIGH);
      Serial.print("Minutes =");
      Serial.println(minutes);
    }
    else {
    digitalWrite(pompePin, LOW);
  } 
  }
  else {
    digitalWrite(pompePin, LOW);
  }
  // Eclairage
  if (heures >= DebutEclairageMatin && heures < FinEclairageMatin || heures >= DebutEclairageSoir && heures < FinEclairageSoir) {
    digitalWrite(eclairagePin, HIGH);
   }
  else {
    digitalWrite(eclairagePin, LOW);
  }
  if (niveauEauValue == 0) {
    Serial.print(niveauEauValue);
    myFlash();
  }
}

//Personnal functions
int myClockFunction() {
  unsigned long currentMillis = millis();
  if (currentMillis - previousMillis >= interval) {
  previousMillis = currentMillis;
  secondes++;
  //Increment des Minutes
  if (secondes >= 60) {
    secondes = 0;
    minutes++;
    }
  //Increment des heures
  if (minutes >= 60) {
    minutes = 0;
    heures++;
    }
  //Changement jour
  if (heures >= 24) {
    secondes = 0;
    minutes = 0;
    heures = 0;
    }
//  return secondes;
  }
}

float mySensorsReading() {
  // Active l'alimentation des capteurs
  digitalWrite(commandeCapteursPin, LOW);
  // read the analog in value:
  delay(400);
  niveauEauValue = digitalRead(niveauEauPin);   // read the input pin
  humidityValue = analogRead(humidityPin)/humidityMax*100;
  // Désactive l'alimentation des capteurs
  digitalWrite(commandeCapteursPin, HIGH);
  // print the results to the Serial Monitor:
  Serial.print("Humidité = ");
  Serial.println(humidityValue);
  Serial.print("Niveau d'eau = ");
  Serial.println(niveauEauValue);
  Serial.print("Heure = ");
  Serial.print(heures);
  Serial.print(minutes);
  Serial.println(secondes);
}

void myFlash() {
  unsigned long currentMillis = millis();
  if((ledState == LOW) && (currentMillis - previousMillis >= OnTime))
  {
    ledState = HIGH;  // Turn it off
    previousMillis = currentMillis;  // Remember the time
    digitalWrite(ledNiveauPin, ledState);  // Update the actual LED
  }
  else if ((ledState == HIGH) && (currentMillis - previousMillis >= OffTime))
  {
    ledState = LOW;  // turn it on
    previousMillis = currentMillis;   // Remember the time
    digitalWrite(ledNiveauPin, ledState);	  // Update the actual LED
  }
}

/*
	if sonde_value[0] < (1 - hysteresis)*int(consigne_temperature):
		GPIO.output(CHAUFFAGE, GPIO.HIGH)	#Chauffage activé
		etat_gpio17 = 1
	elif sonde_value[0] > (1 + hysteresis)*int(consigne_temperature):
		GPIO.output(CHAUFFAGE, GPIO.LOW)	#Chauffage désactivé
		etat_gpio17 = 0

*/