#include <LiquidCrystal_I2C.h>
#include "RTClib.h"
//////////NickName incude
LiquidCrystal_I2C lcd(0x27, 16, 2);
RTC_DS1307 rtc;


int s = 0; //Sec
int m = 0; //Min
int h = 0; //Ho
int s1 = 0; //Sec
int m1 = 0; //Min
int h1 = 0; //Ho
int s2 = 0; //Sec
int m2 = 0; //Min
int h2 = 0; //Ho
int sm = 0; //Select

void setup() {

  rtc.begin(); //////เรียกใช้งาน RTC
  //StartLcd
  lcd.init();
  lcd.backlight();

  Serial.begin(115200);
  pinMode(13, OUTPUT);
  pinMode(4, INPUT_PULLUP); //Sec
  pinMode(3, INPUT_PULLUP); //Min
  pinMode(2, INPUT_PULLUP); //H

} //end setup


void loop() {


  //Select
  int sw1 = digitalRead(4); // Select
  if (sw1 == 0) {
    sm++;
  }


  time();

  if (sm >= 4 && sm <= 6) {
    start();
    delay(100);
  }

  if (sm >= 7 && sm <= 10) {
    delay(100);
    stop();
  }
if (h==h1 && m==m1 && s== s1){
  digitalWrite(13,HIGH);
}
if (h==h2 && m==m2 && s== s2){
  digitalWrite(13,LOW);
}


} //end loop

void time() {
  DateTime now = rtc.now(); ///Set Time = Day Time
  h = now.hour();
  m = now.minute();
  s = now.second();
  int sw2 = digitalRead(3); // +
  int sw3 = digitalRead(2); // -

  // H

  if (sm == 1) {
    if (sw2 == 0) {
      h++;
    }

    if (sw3 == 0) {
      h--;
    }
    if (h >= 24 || h <= 0) {
      h = 0;
    }
    /////////กระพริบตอนเซ็ต
    lcd.setCursor(7, 0);
    lcd.print("  ");
    delay(200);
  }

  // Min
  if (sm == 2) {
    if (sw2 == 0) {
      m++;
    }
    if (sw3 == 0) {
      m--;
    }
    if (m >= 60 || m <= 0) {
      m = 0;
    }
    lcd.setCursor(10, 0);
    lcd.print("  ");
    delay(200);
  }

  //Sec
  if (sm == 3) {
    if (sw2 == 0) {
      s++;
    }
    if (sw3 == 0) {
      s--;
    }
    if (s >= 60 || s <= 0) {
      s = 0;
    }
    lcd.setCursor(13, 0);
    lcd.print("  ");
    delay(200);
  }
  //Select Mode 0-3
  if (sm >= 10) {
    sm = 0;
  }

  //////////////////////////Displat
  lcd.setCursor(0, 0); lcd.print("Times");
  lcd.setCursor(9, 0); lcd.print( ":");
  lcd.setCursor(12, 0); lcd.print( ":");

  ///////////แก้ไขตัวเลขให้เป็นสองหลัก
  lcd.setCursor(7, 0);
  if (h <= 9) {
    lcd.print("0");
  }
  lcd.print(h);

  lcd.setCursor(10, 0);
  if (m <= 9) {
    lcd.print("0");
  }
  lcd.print(m);
  lcd.setCursor(13, 0);
  if (s <= 9) {
    lcd.print("0");
  }
  lcd.print(s);

}

void start() {

  int sw2 = digitalRead(3); // +
  int sw3 = digitalRead(2); // -

  // H

  if (sm == 4) {
    if (sw2 == 0) {
      h1++;
    }

    if (sw3 == 0) {
      h1--;
    }
    if (h1 >= 24 || h1 <= 0) {
      h1 = 0;
    }
    /////////กระพริบตอนเซ็ต
    lcd.setCursor(7, 1);
    lcd.print("  ");
    delay(200);
  }

  // Min
  if (sm == 5) {
    if (sw2 == 0) {
      m1++;
    }
    if (sw3 == 0) {
      m1--;
    }
    if (m1 >= 60 || m1 <= 0) {
      m1 = 0;
    }
    lcd.setCursor(10, 1);
    lcd.print("  ");
    delay(200);
  }

  //Sec
  if (sm == 6) {
    if (sw2 == 0) {
      s1++;
    }
    if (sw3 == 0) {
      s1--;
    }
    if (s1 >= 60 || s1 <= 0) {
      s1 = 0;
    }
    lcd.setCursor(13, 1);
    lcd.print("  ");
    delay(200);
  }
  //Select Mode 0-3
  if (sm >= 10) {
    sm = 0;
  }

  //////////////////////////Displat
  lcd.setCursor(0, 1); lcd.print("Start");
  lcd.setCursor(9, 1); lcd.print( ":");
  lcd.setCursor(12, 1); lcd.print( ":");

  ///////////แก้ไขตัวเลขให้เป็นสองหลัก
  lcd.setCursor(7, 1);
  if (h1 <= 9) {
    lcd.print("0");
  }
  lcd.print(h1);

  lcd.setCursor(10, 1);
  if (m1 <= 9) {
    lcd.print("0");
  }
  lcd.print(m1);
  lcd.setCursor(13, 1);
  if (s1 <= 9) {
    lcd.print("0");
  }
  lcd.print(s1);


}
//////////////////////////////////////////////
void stop() {

  int sw2 = digitalRead(3); // +
  int sw3 = digitalRead(2); // -

  // H

  if (sm == 7) {
    if (sw2 == 0) {
      h2++;
    }

    if (sw3 == 0) {
      h2--;
    }
    if (h2 >= 24 || h2 <= 0) {
      h2 = 0;
    }
    /////////กระพริบตอนเซ็ต
    lcd.setCursor(7, 1);
    lcd.print("  ");
    delay(200);
  }

  // Min
  if (sm == 8) {
    if (sw2 == 0) {
      m2++;
    }
    if (sw3 == 0) {
      m2--;
    }
    if (m2 >= 60 || m2 <= 0) {
      m2 = 0;
    }
    lcd.setCursor(10, 1);
    lcd.print("  ");
    delay(200);
  }

  //Sec
  if (sm == 9) {
    if (sw2 == 0) {
      s2++;
    }
    if (sw3 == 0) {
      s2--;
    }
    if (s2 >= 60 || s2 <= 0) {
      s2 = 0;
    }
    lcd.setCursor(13, 1);
    lcd.print("  ");
    delay(200);
  }
  //Select Mode 0-3
  if (sm >= 10) {
    sm = 0;
  }

  //////////////////////////Displat
  lcd.setCursor(0, 1 ); lcd.print(" Stop");
  lcd.setCursor(9, 1); lcd.print( ":");
  lcd.setCursor(12, 1); lcd.print( ":");

  ///////////แก้ไขตัวเลขให้เป็นสองหลัก
  lcd.setCursor(7, 1);
  if (h2 <= 9) {
    lcd.print("0");
  }
  lcd.print(h2);
  lcd.setCursor(10, 1);
  if (m2 <= 9) {
    lcd.print("0");
  }
  lcd.print(m2);
  lcd.setCursor(13, 1);
  if (s2 <= 9) {
    lcd.print("0");
  }
  lcd.print(s2);


}