// Date and time functions using a DS3231 RTC connected via I2C and Wire Lib

#include <Wire.h>
#include <RTClib.h>
#include <Time.h>
#include <TimeAlarms.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#include <LiquidCrystal_I2C.h>


#define BACKLIGHT_PIN 3

LiquidCrystal_I2C  lcd(0x27,2,1,0,4,5,6,7);

RTC_DS1307 RTC;

#define ONE_WIRE_BUS 2

 OneWire oneWire(ONE_WIRE_BUS);
 DallasTemperature sensors(&oneWire);
 int nastaw = 24; // ustaw temperature
 int przekaznik = 3; // pin przekaznika temp
 int lightRelay = 4; // pin przkeaznika led
 int Menu=0;
 int bstart=A1;
 int stanBstart=0;


// Start Time
int sHour = 12;
int sMinute = 0;
int sSecond = 0;

// End Time
int eHour = 14;
int eMinute = 0;
int eSecond = 0;





void setup() {
  // Set the relay to off immediately
  digitalWrite(lightRelay, HIGH);

  pinMode(przekaznik,OUTPUT);
  pinMode(lightRelay, OUTPUT);

 lcd.begin (16,2);
 lcd.setBacklightPin(BACKLIGHT_PIN,POSITIVE);
 lcd.setBacklight(HIGH);

//  Serial.print("Regulator Temp:");
  sensors.begin();


  Wire.begin();
  RTC.begin();



  //Notify if the RTC isn't running
  if (! RTC.isrunning())
  {
    Serial.println("RTC is NOT running");
  }

//   Get time from RTC
 DateTime current = RTC.now();
  DateTime compiled = DateTime(__DATE__, __TIME__);
  if (current.unixtime() < compiled.unixtime()) {
    Serial.println("RTC is older than compile time! Updating");
    RTC.adjust(DateTime(__DATE__, __TIME__));
  }

 //  Use RTC time to set the start time
  setTime(sHour, sMinute, sSecond, current.day(), current.month(), current.year());
  time_t s = now();

//  Use RTC time to set the end time
  setTime(eHour, eMinute, eSecond, current.day(), current.month(), current.year());
  time_t e = now();

  // Use RTC time to set the current time
  setTime(current.hour(), current.minute(), current.second(), current.day(), current.month(), current.year());
  time_t n = now();

  // Test if grow light should be on
  if (s <= n && n <= e) {
    digitalWrite(lightRelay, LOW);  // Sets the grow light "on"
  }

  Alarm.alarmRepeat(sHour, sMinute, sSecond, LightOn);
  Alarm.alarmRepeat(eHour, eMinute, eSecond, LightOff);

}

 void wys(void){
 sensors.requestTemperatures();
 //Serial.setCursor(0, 2);
// lcd.print("T=");
// lcd.print(sensors.getTempCByIndex(0));
// lcd.print("    ");
// lcd.print("N=");
// lcd.print(nastaw);
// lcd.print("Start");
// lcd.print(sHour);
// lcd.print(sMinute);
// lcd.print("    ");
// lcd.print("End");
// lcd.print(eHour);
// lcd.print(eMinute);
// lcd.println();

 if (sensors.getTempCByIndex(0) < (nastaw)) {
      digitalWrite(2,LOW);
   } else {
      digitalWrite(2,HIGH);
   }
 }
void loop() {
  DateTime now = RTC.now();
  setTime(now.hour(), now.minute(), now.second(), now.day(), now.month(), now.year());
  sensors.requestTemperatures();
//  lcd.print("Current time: ");
// Serial.print(now.year(), DEC);
// Serial.print('/');
// Serial.print(now.month(), DEC);
//  Serial.print('/');
// lcd.print(now.day(), DEC);
// lcd.print(' ');
// lcd.print(now.hour(), DEC);
// lcd.print(':');
// lcd.print(now.minute(), DEC);
// lcd.print(':');
// lcd.print(now.second(), DEC);
// lcd.println();
      //Serial.setCursor(0, 2);

// lcd.print("S");
 //lcd.print(sHour);
// lcd.print(":");
// lcd.print(sMinute);
// lcd.setCursor(8,0);
// lcd.print("T=");
// lcd.print(sensors.getTempCByIndex(0));
// lcd.print("    ");
// lcd.setCursor(0,2);
// lcd.print("E");
// lcd.print(eHour);
// lcd.print(":");
// lcd.print(eMinute);
// lcd.setCursor(8,1);
// lcd.print("N=");
// lcd.print(nastaw);
// lcd.setCursor(0,2);

  if (sensors.getTempCByIndex(0) < (nastaw)) {
      digitalWrite(2,LOW);
   } else {
      digitalWrite(2,HIGH);
   }





  Alarm.delay(1000);
  if (lightRelay, HIGH)
  {
  Serial.print("ON");
   }
   else {
  Serial.print("OFF");
    }
  Serial.print(' ');
  Serial.print(' ');


stanBstart=analogRead(bstart);

//Serial.println(stanBstart);

// przyciski czasu start
// Godzina
   if (stanBstart>680 && stanBstart<690) // +
    {
      Menu=Menu+1;
    }

   if (stanBstart>160 && stanBstart<170) //-
    {
       Menu=Menu-1;
    }


    if(Menu<0)
    {
      Menu=5;
    }


    if (Menu==0)
    {
 lcd.clear();
 lcd.print("S");
 lcd.print(sHour);
 lcd.print(":");
 lcd.print(sMinute);
 lcd.setCursor(8,0);
 lcd.print("T=");
 lcd.print(sensors.getTempCByIndex(0));
 lcd.print("    ");
 lcd.setCursor(0,2);
 lcd.print("E");
 lcd.print(eHour);
 lcd.print(":");
 lcd.print(eMinute);
 lcd.setCursor(8,1);
 lcd.print("N=");
 lcd.print(nastaw);
 lcd.setCursor(0,2);
    }



    if (Menu==1)
   {
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Set Temp");
      lcd.setCursor(0,1);
      lcd.print(nastaw);
      if (stanBstart>60 && stanBstart<65) // +
        {
          nastaw=nastaw+1;
        }

      if (stanBstart>10 && stanBstart<15) //-
       {
        nastaw=nastaw-1;
       }
  }


   if (Menu==2)
   {
   lcd.clear();
   lcd.setCursor(0,0);
   lcd.print("Set godzina startu");
   lcd.setCursor(0,1);
   lcd.print("Start");
   lcd.print("=");
   lcd.print(sHour);
   lcd.print(":");
   lcd.print(sMinute);
      if (stanBstart>60 && stanBstart<65) // +
        {
          sHour= sHour+1;
        }

      if (stanBstart>10 && stanBstart<15) //-
       {
         sHour= sHour-1;
       }


   }


   if (Menu==3)
   {
   lcd.clear();
   lcd.setCursor(0,0);
   lcd.print("Set minuta startu");
   lcd.setCursor(0,1);
   lcd.print("Start");
   lcd.print("=");
   lcd.print(sHour);
   lcd.print(":");
   lcd.print(sMinute);
      if (stanBstart>60 && stanBstart<65) // +
        {
          sMinute=sMinute+1;
        }

      if (stanBstart>10 && stanBstart<15) //-
       {
         sMinute= sMinute-1;
       }


   }

     if (Menu==4)
   {
   lcd.clear();
   lcd.setCursor(0,0);
   lcd.print("Set godzina konca");
   lcd.setCursor(0,1);
   lcd.print("End");
   lcd.print("=");
   lcd.print(eHour);
   lcd.print(":");
   lcd.print(eMinute);
      if (stanBstart>60 && stanBstart<65) // +
        {
          eHour= eHour+1;
        }

      if (stanBstart>10 && stanBstart<15) //-
       {
         eHour= eHour-1;
       }


   }


   if (Menu==5)
   {
   lcd.clear();
   lcd.setCursor(0,0);
   lcd.print("Set minuta konca");
   lcd.setCursor(0,1);
   lcd.print("End");
   lcd.print("=");
   lcd.print(sHour);
   lcd.print(":");
   lcd.print(sMinute);
      if (stanBstart>60 && stanBstart<65) // +
        {
          eMinute=eMinute+1;
        }

      if (stanBstart>10 && stanBstart<15) //-
       {
         eMinute= eMinute-1;
       }


   }

  if(Menu>5)
  {
    Menu=0;
  }

}


void LightOn() {
 Serial.println("Turning Light On");
 digitalWrite(lightRelay, LOW);
}

void LightOff() {
 Serial.println("Turning Light Off");
 digitalWrite(lightRelay, HIGH);
}