#include "Arduino.h"
#include "uRTCLib.h"
#include <Wire.h> 
#include <LCD_I2C.h>
constexpr uint8_t BuzzerPin = A0;
//LiquidCrystal_I2C lcd(0x3F, 16, 2); 
LCD_I2C lcd(0x27, 16, 2);
uRTCLib rtc(0x68);
int abc;
int stop_buton = 2;

char daysOfTheWeek[7][12] = {"Paz", "Pzt", "Sal", "Car", 
"Per", "Cum", "Cumartesi"};

void setup() {
  lcd.begin();
  lcd.clear();

  lcd.setCursor(0,0);
  lcd.print("Hos Geldiniz..");
  pinMode(BuzzerPin, OUTPUT);
  pinMode(stop_buton, INPUT);
  delay(3000); // wait for console opening
  URTCLIB_WIRE.begin();

  lcd.backlight();
  rtc.set(50, 6, 0, 22, 11, 10, 23);
  tone(BuzzerPin, 1000);
  delay(600);
  noTone(BuzzerPin);

}

void loop() {
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print(daysOfTheWeek[abc]);
  delay(1000);
  rtc.refresh();
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Saat : ");
  lcd.print(rtc.hour());
  lcd.print(":");
  lcd.print(rtc.minute());
  lcd.print(":");
  lcd.print(rtc.second());
  ///////////////////////////////////////////
  lcd.setCursor(0,1);
  lcd.print("Tarih: ");
  lcd.print(rtc.year());
  lcd.print("/");
  lcd.print(rtc.month());
  lcd.print("/");
  lcd.print(rtc.day());
  Saat_Uyarisi();
  Alarm();
  delay(1000);
}

void Saat_Uyarisi(){
  if(rtc.minute() == 0 && rtc.second() == 0){
    tone(BuzzerPin, 1000);
    delay(800);
    noTone(BuzzerPin);
    tone(BuzzerPin, 1000);
    delay(800);
    noTone(BuzzerPin);
    tone(BuzzerPin, 1000);
    delay(800);
    noTone(BuzzerPin);
    tone(BuzzerPin, 1000);
    delay(800);
    noTone(BuzzerPin);
  }
}

void Alarm(){
    abc = rtc.dayOfWeek();
    if (daysOfTheWeek[abc] == daysOfTheWeek[0] && rtc.hour() == 8 && rtc.minute() == 5 && rtc.second() == 0){
      Serial.println(daysOfTheWeek[0]);
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Alarm Calıyor");
      lcd.setCursor(0,1);
      lcd.print("Bugun Pazartesi");
      melodi();
    
  }
    if (daysOfTheWeek[abc] == daysOfTheWeek[1] && rtc.hour() == 8 && rtc.minute() == 5 && rtc.second() == 0){
      Serial.println(daysOfTheWeek[6]);
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Alarm Caliyor");
      lcd.setCursor(0,1);
      lcd.print("Bugun Sali");
      melodi();
    
  }
    if (daysOfTheWeek[abc] == daysOfTheWeek[2] && rtc.hour() == 0 && rtc.minute() == 9 && rtc.second() == 0){
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Alarm Calıyor");
      lcd.setCursor(0,1);
      lcd.print("Bugun Çarşamba");
      melodi();
    
  }
    if (daysOfTheWeek[abc] == daysOfTheWeek[3] && rtc.hour() == 8 && rtc.minute() == 5 && rtc.second() == 0){
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Alarm Calıyor");
      lcd.setCursor(0,1);
      lcd.print("Bugun Perşembe");
      melodi();
    
  }
    if (daysOfTheWeek[abc] == daysOfTheWeek[4] && rtc.hour() == 8 && rtc.minute() == 5 && rtc.second() == 0){
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Alarm Calıyor");
      lcd.setCursor(0,1);
      lcd.print("Bugun Cuma");
      melodi();
    
  }
}

void melodi(){
  while(true){
    if (digitalRead(stop_buton) == HIGH){
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("   Alarm Stop   ");
      lcd.setCursor(0,1);
      lcd.print(" Atila - Kuloglu");
      delay(3000);
      break;
    }
    tone(BuzzerPin, 1000);
    delay(800);
    noTone(BuzzerPin);
    tone(BuzzerPin, 1000);
    delay(800);
    noTone(BuzzerPin);
    tone(BuzzerPin, 1000);
    delay(800);
    noTone(BuzzerPin);
    tone(BuzzerPin, 1000);
    delay(800);
    noTone(BuzzerPin);
  }
}