#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

//Initialize the pins
int moisture = A0;
int manual = A2;
int relay = 8;

//Setup
void setup() {
  pinMode(relay, OUTPUT);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(2, 0);
  lcd.print("Initializing");
  lcd.setCursor(0, 1);
  lcd.print("STYRERIUM MODULE");
  Serial.begin(9600);
  delay(10000);

}
void loop() {
  lcd.clear();
  //Convert to percentage
  int moistureValue = analogRead(moisture);
  int moisturePercent = map(moistureValue, 0, 1023, 100, 0);
  int manualValue = analogRead(manual);
  int manualPercent = map(manualValue, 0, 1023, 0, 100);
  //Relay control
  if (moisturePercent < 13 || moisturePercent < manualPercent) {
    digitalWrite(relay, HIGH);
  } else {  //Turn off relay
    digitalWrite(relay, LOW);
  }
  //Displaying the stats
  lcd.setCursor(0, 0);
  lcd.print("Moisture: ");
  lcd.setCursor(12, 0);
  lcd.print(moisturePercent);
  lcd.print("%");
  //Manual watering display
  lcd.setCursor(0, 1);
  lcd.print("Manual: ");
  lcd.setCursor(12, 1);
  lcd.print(manualPercent);
  lcd.print("%");
  delay(100);
}