#include <Servo.h>
#include <MagicPot.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);
MagicPot pot(A0);
Servo h2o;

int val = 0, dryVal = 400, airVal = 600, flow = 90, noFlow = 180;

void setup() {
  // put your setup code here, to run once:
  
  lcd.init();
  lcd.backlight();
  h2o.attach(11);
  
  pot.begin();
  h2o.write(noFlow);
}

void loop() {
  // put your main code here, to run repeatedly:
  
  while (millis() % 1000 == 0) {
    delay(1);

    pot.read();
    val = pot.getValue();
    
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Dryness: ");
    lcd.setCursor(9,0);
    lcd.print(val);

    if (val >= dryVal && val < airVal) {
      lcd.setCursor(0, 1);
      lcd.print("Low Moisture");

      h2o.write(flow);
    }

    else if (val >= airVal) {
      lcd.setCursor(0, 1);
      lcd.print("Air Detected");

      h2o.write(noFlow);
    } 

    else {
      lcd.setCursor(0, 1);
      lcd.print("Enough Moisture");

      h2o.write(noFlow);
    }
  }
}