#include "RTClib.h"
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

Adafruit_SSD1306 display(128, 64);

RTC_DS1307 rtc;
char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};

unsigned int day;
unsigned int hour;
unsigned int minute;
unsigned int second;
unsigned int timeBuzzer = 2000;
unsigned int timeClock = 500;
bool buzzer;
bool alarmTrigger;
bool alarmDeath;

void setup () {
  pinMode(2,OUTPUT);
  pinMode(3,INPUT_PULLUP);
  Serial.begin(57600);

#ifndef ESP8266
  while (!Serial);
#endif

  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    while (1) delay(10);
  }

  if (! rtc.isrunning()) {
    Serial.println("RTC is NOT running, let's set the time!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }

  display.begin( SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay(); 
	display.setTextColor(1); 
  display.setTextSize(1); 
  display.display();
  delay(1000);
}

void loop () {


  uint64_t now2 = millis();
  static uint64_t next; 
  static uint64_t next2;

  if(now2>=next2){
    next2=now2+timeClock;

    DateTime now = rtc.now();
    Serial.print('(');
    Serial.print(now.day(), DEC);
    Serial.print("/");
    Serial.print(now.month(), DEC);
    Serial.print('/');
    Serial.print(now.year(), DEC);
    Serial.print(") ");

    Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);
    Serial.print(" ");
    Serial.print(now.hour(), DEC);
    Serial.print(':');
    Serial.print(now.minute(), DEC);
    Serial.print(':');
    Serial.print(now.second(), DEC);
    Serial.println();

    Serial.println();

  day=daysOfTheWeek[now.dayOfTheWeek()];  
  hour=now.hour();
  minute=now.minute();
  second=now.second();

  if(now.hour()==6 && now.minute()==30 && now.second()==0 && alarmTrigger == 0){
    alarmTrigger=1;
    }
  }

  if(alarmTrigger){
    buzzer = 1;
  }

  if(digitalRead(3) == 0){
    buzzer = 0;
    alarmTrigger = 0;
  }

  digitalWrite(2,buzzer);

  display.clearDisplay(); 
	display.setCursor(16, 13); 
  display.setTextSize(2);
  display.print(hour, DEC); 
  display.print(':');
  display.print(minute, DEC);
  display.print(':');
  display.print(second, DEC);
  display.println();
  display.println();
  display.print(day);
	display.display(); 
}