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// Vereinfachtes Arduino/ESP32 Code-Beispiel für Ebb-and-Flow Pumpe
const int pumpRelayPin = 4;
const long floodDuration = 10 * 60 * 1000; // 10 Minuten Fluten (ms)
const long ebbDuration = 50 * 60 * 1000;   // 50 Minuten Ebbe (ms)
long lastPumpToggleTime = 0;
bool isFlooding = false;

void setup() {
  pinMode(pumpRelayPin, OUTPUT);
  digitalWrite(pumpRelayPin, HIGH); // Pumpe AUS starten
  Serial.begin(115200);
  Serial.println("Starte Ebb-and-Flow Zyklus.");
}

void loop() {
  if (!isFlooding && (millis() - lastPumpToggleTime >= ebbDuration)) {
    // Ebbe-Phase beendet, starte Fluten
    Serial.println("Starte Flut-Phase.");
    digitalWrite(pumpRelayPin, LOW); // Pumpe AN
    lastPumpToggleTime = millis();
    isFlooding = true;
  } else if (isFlooding && (millis() - lastPumpToggleTime >= floodDuration)) {
    // Flut-Phase beendet, starte Ebbe
    Serial.println("Starte Ebbe-Phase.");
    digitalWrite(pumpRelayPin, HIGH); // Pumpe AUS
    lastPumpToggleTime = millis();
    isFlooding = false;
  }
}