#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Encoder.h>

Encoder encoder1(2, 3);
Encoder encoder2(4, 5);
LiquidCrystal_I2C lcd(0x27, 16, 4);
float onHour, offHour,onMinutes, offMinutes,onSeconds, offSeconds;
int encoder1Click = 0;
int encoder2Click = 0;
int b1 = 6;
int b2 = 7;
int relayPin = 8;
bool relayState = false;
unsigned long onTime;
unsigned long offTime;

void setup() {
  pinMode(relayPin, OUTPUT);
  digitalWrite(relayPin, HIGH);  // initially turn the relay on
  // initialize the LCD
  pinMode(b1, INPUT_PULLUP);
  pinMode(b2, INPUT_PULLUP);
  Serial.begin(115200);
  lcd.init();
  lcd.backlight();
  // set the on time

    lcd.clear();
    lcd.print("ON");
    lcd.setCursor(10, 0);
    lcd.print("OFF");
    lcd.setCursor(10, 2);
    lcd.print("Hour");

  while (encoder1Click < 1) {

    onHour = encoder1.read() / 4;
    lcd.setCursor(0, 1);
    lcd.print(onHour);
    lcd.setCursor(0, 2);
    lcd.print("Hour");
    Serial.println(encoder1Click);
    if (digitalRead(b1) == LOW) {
      encoder1Click++;
      delay(200);
    }
  }

    lcd.clear();
    lcd.print("ON");
    lcd.setCursor(10, 0);
    lcd.print("OFF");
    lcd.setCursor(10, 2);
    lcd.print("Hour");

    while (encoder1Click < 2) {

    onMinutes = encoder1.read() / 4;
    lcd.setCursor(0, 1);
    lcd.print(onMinutes);
    lcd.setCursor(0, 2);
    lcd.print("Minutes");
    Serial.println(encoder1Click);
    if (digitalRead(b1) == LOW) {
      encoder1Click++;
      delay(200);
    }
  }

    lcd.clear();
    lcd.print("ON");
    lcd.setCursor(10, 0);
    lcd.print("OFF");
    lcd.setCursor(10, 2);
    lcd.print("Hour");

    while (encoder1Click < 3) {

    onSeconds = encoder1.read() / 4;
    lcd.setCursor(0, 1);
    lcd.print(onSeconds);
    lcd.setCursor(0, 2);
    lcd.print("Seconds");
    Serial.println(encoder1Click);
    if (digitalRead(b1) == LOW) {
      encoder1Click++;
      delay(200);
    }
  }

  onTime = (onHour * 60UL * 60UL* 1000UL) + (onMinutes * 60UL * 1000UL) + (onSeconds* 1000UL);  // convert Hour,min and Sec to milliseconds
    lcd.clear();

    if (onHour>0 && onMinutes<=0 && onSeconds<=0 && digitalRead( relayPin)==HIGH ){
    // the relay is currently on
    lcd.print("ON ");
    lcd.setCursor(0, 1);
    lcd.print(onHour);
    lcd.setCursor(0, 2);
    lcd.print("Hour");
    }

     if (onHour<=0 && onMinutes>0 && onSeconds<=0 && digitalRead( relayPin)==HIGH ){
    // the relay is currently on
    lcd.print("ON ");
    lcd.setCursor(0, 1);
    lcd.print(onMinutes);
    lcd.setCursor(0, 2);
    lcd.print("Minutes");

    }

     if (onHour<=0 && onMinutes<=0 && onSeconds>0 && digitalRead( relayPin)==HIGH ){
    // the relay is currently on
    lcd.print("ON ");
    lcd.setCursor(0, 1);
    lcd.print(onSeconds);
    lcd.setCursor(0, 2);
    lcd.print("Seconds");
    }


    lcd.setCursor(10, 0);
    lcd.print("OFF");
  while (encoder2Click < 1) {
    offHour = encoder2.read() / 4;
    lcd.setCursor(10, 1);
    lcd.print(offHour);
    lcd.setCursor(10, 2);
    lcd.print("Hour");
    if (digitalRead(b2) == LOW) {
    encoder2Click++;
    delay(200);
    }
  }

    while (encoder2Click < 2) {
    offMinutes = encoder2.read() / 4;
    lcd.setCursor(10, 1);
    lcd.print(offMinutes);
    lcd.setCursor(10, 2);
    lcd.print("Minutes");
    if (digitalRead(b2) == LOW) {
      encoder2Click++;
      delay(200);
    }
  }


    while (encoder2Click < 3) {
    offSeconds = encoder2.read() / 4;
    lcd.setCursor(10, 1);
    lcd.print(offSeconds);
    lcd.setCursor(10, 2);
    lcd.print("Seconds");
    if (digitalRead(b2) == LOW) {
      encoder2Click++;
      delay(200);
    }
  }

  offTime = (offHour * 60UL * 60UL* 1000UL) + (offMinutes * 60UL * 1000UL) + (offSeconds* 1000UL);  // convert Hour,min and Sec to milliseconds

    if (offHour>0 && offMinutes<=0 && offSeconds<=0 ){
    lcd.setCursor(10, 0);
    lcd.print("OFF");
    lcd.setCursor(10, 1);
    lcd.print(offHour);
    lcd.setCursor(10, 2);
    lcd.print("Hour");
    }

     if (offHour<=0 && offMinutes>0 && offSeconds<=0){
    lcd.setCursor(10, 0);
    lcd.print("OFF");
    lcd.setCursor(10, 1);
    lcd.print(offMinutes);
    lcd.setCursor(10, 2);
    lcd.print("Minutes");

    }

     if (offHour<=0 && offMinutes<=0 && offSeconds>0 ){
    lcd.setCursor(10, 0);
    lcd.print("OFF");
    lcd.setCursor(10, 1);
    lcd.print(offSeconds);
    lcd.setCursor(10, 2);
    lcd.print("Seconds");
    }
}

void loop() {
  Serial.println(digitalRead(relayPin));
  unsigned long currentTime = millis();

  if (digitalRead( relayPin)==HIGH) {

    Serial.println("relay is on");
    Serial.println(currentTime % onTime);
    Serial.println( offTime);
    if (currentTime % onTime >= (onTime-500)) {
      digitalWrite(relayPin, LOW);
       Serial.println(digitalRead(relayPin));
       delay(100);
       currentTime-=currentTime;
    
    }
    }

  
  if(digitalRead( relayPin)==LOW){

    Serial.println("relay is off");
    Serial.println(currentTime % offTime);
    Serial.println( onTime);
    if (currentTime % offTime >= (offTime-500)) {
    digitalWrite(relayPin, HIGH);
    Serial.println("R TURN ON AGAIN"); 
    }
  }
  delay(500);
}