//esp32 rtc tod,tou
#include <LiquidCrystal_I2C.h>
#include "RTClib.h"

LiquidCrystal_I2C lcd(0x27, 16, 2);
RTC_DS1307 rtc;

int day;
int month;
int year;
int hour;
int minute;
int second;
int dnum;  //more
int tou = 15;
int tod = 2;
char daysOfTheWeek[7][6] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};//more


void setup() {
  
  pinMode(tou, OUTPUT);
  pinMode(tod, OUTPUT);
  Serial.begin(115200);
  rtc.begin();
  lcd.init();
  lcd.backlight();


} ////////////////////end loop

void loop() {
  //digitalWrite(tou, HIGH);// test relay
  //delay(500);
  //digitalWrite(tou, LOW);
  //delay(500);
  //digitalWrite(tod, HIGH);
  //delay(500);
  //digitalWrite(tod, LOW);
  //delay(500);

  Date_Time();

if(dnum >=1 && dnum <=5){      //1แทนวัน   mon-fri 09.00-22.00 tod ทำงาน
 if (hour>= 9 && hour <= 21){  // หล้ง 22.00 - 09.00 sat sun tou ทำงาน    
  digitalWrite( tod , HIGH);
  digitalWrite(tou, LOW);  
  } else {
  digitalWrite(tod , LOW);
  digitalWrite(tou, HIGH);
  }
}else{
  digitalWrite( tod, LOW);
  digitalWrite( tou, HIGH);
 }
 

}   ////////////////////end loop

void Date_Time(){         ////////fuction Date_Time
 DateTime now = rtc.now(); //
  day    = now.day();
  month  = now.month();
  year   = now.year();
  hour   = now.hour();
  minute = now.minute();
  second = now.second();
  dnum   = now.dayOfTheWeek(); /////more 2 day no s (daysOfTheWeek[now.dayOfTheWeek()]);

  //////////////////////////////date
  lcd.setCursor(0, 0);
  lcd.print(daysOfTheWeek[dnum]);//more 3
  lcd.setCursor(6, 0);

  if (day <= 9) {
    lcd.print("0");
  }
  lcd.print(day); 
  lcd.setCursor(8, 0);
  lcd.print("/");
  lcd.setCursor(9, 0);

  if (month <= 9) {
    lcd.print("0");
  }
  lcd.print(month);
  lcd.setCursor(11, 0);
  lcd.print("/");
  lcd.setCursor(12, 0);
  lcd.print(year);
  lcd.setCursor(0, 1);
  
   //////////////////////////////time
  lcd.print("Time");
  lcd.setCursor(6, 1);

  if (hour <= 9){       ////////////h
    lcd.print("0");
  }
  lcd.print(hour);
  lcd.setCursor(8, 1);
  lcd.print(":");
  lcd.setCursor(9, 1);

  if (minute <= 9) {    /////////////m
    lcd.print("0");
  }
  lcd.print(minute);
  lcd.setCursor(11, 1);
  lcd.print(":");
  lcd.setCursor(12, 1);

  if (second <= 9) {    //////////////s
    lcd.print("0");
  }
  lcd.print(second);
}