#include<Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define OLED_RESET -1
 
Adafruit_SSD1306 OLED(OLED_RESET);
 
//#if (SSD1306_LCDHEIGHT != 64)
//#error("Height incorrect, please fix Adafruit_SSD1306.h!");
//#endif
 
int h = 12;
int m = 0;
int s = 0;
int flag = 0;
int TIME = 0;
const int hs = A0;
const int ms = A1;
int state1 = 0;
int state2 = 0;
void setup()
{
  OLED.begin(SSD1306_SWITCHCAPVCC, 0x3C); 
  OLED.clearDisplay(); 
  pinMode(hs, INPUT_PULLUP);
  pinMode(ms, INPUT_PULLUP);
}
void loop()
{
  OLED.setCursor(10, 0);
  OLED.setTextColor(WHITE);  // set text color
  OLED.setTextSize(1);
  
  s = s + 1;
  OLED.print(h);
  OLED.print(":");
  OLED.print(m);
  OLED.setTextSize(1);
  OLED.print(":");
  OLED.print(s);
  OLED.setTextSize(1);
  if (flag < 12)
  {
    OLED.setCursor(50, 0);
    OLED.print("AM");
    OLED.display();
  }
  if (flag == 12)
  {
    OLED.setCursor(50, 0);
    OLED.print("PM");
    OLED.display();
  }
  if (flag > 12)
  {
    OLED.setCursor(50, 0);
    OLED.print("PM");
    OLED.display();
  }
  if (flag == 24)
  {
    flag = 0;
  }
  delay(1000);
  OLED.clearDisplay();
  if (s == 60)
  {
    s = 0;
    m = m + 1;
  }
  if (m == 60)
  {
    m = 0;
    h = h + 1;
    flag = flag + 1;
  }
  if (h == 13)
  {
    h = 1;
  }
  OLED.setTextSize(1);
  if (h <= 12 && flag < 12)
  {
    OLED.setCursor(10, 30);
    OLED.print("HELLO");
    OLED.setCursor(10, 40);
    OLED.print("HOWDY ;)");
  }
  else if (h == 12 || h == 1 || h == 2 || h == 3 && flag >= 12)
  {
    OLED.setCursor(10, 30);
    OLED.print("HEY");
    OLED.setCursor(10, 40);
    OLED.print("GUY :)");
  }
  else if (h == 4 || h == 5 || h == 6 || h == 7 || h == 8 && flag > 12)
  {
    OLED.setCursor(10, 30);
    OLED.print("LUCKY");
    OLED.setCursor(10, 45);
    OLED.print("FOR U :)");
  }
  else if (h >= 9 && flag > 12)
  {
    OLED.setCursor(10, 30);
    OLED.print("GOOD");
    OLED.setCursor(10, 47);
    OLED.print("BYE BYE :)");
  }
  state1 = digitalRead(hs);
  if (state1 == 0)
  {
    h = h + 1;
    flag = flag + 1;
    if (flag < 12)
    {
      OLED.print(" AM");
    }
    if (flag == 12)
    {
      OLED.print(" PM");
    }
    if (flag > 12)
    {
      OLED.print(" PM");
    }
    if (flag == 24) 
    {
      flag = 0;
    }
    if (h == 13) 
    {
      h = 1;
    }
  }
  state2 = digitalRead(ms);
  if (state2 == 0)
  {
    s = 0;
    m = m + 1;
  }
}