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

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

#define BUZZER_PIN 8

// Gambar kue dengan lilin hidup (api menyala)
const unsigned char kue_hidup [] PROGMEM = {
  0x00,0x00,0x00,0x00,0x18,0x18,0x3C,0x3C,
    0x3C,0x3C,0x18,0x18,0x00,0x00,0x00,0x00,
      0x00,0x00,0x7E,0x7E,0xFF,0xFF,0xDB,0xDB,
        0xDB,0xDB,0xFF,0xFF,0x7E,0x7E,0x00,0x00,
          0x00,0x00,0x66,0x66,0xFF,0xFF,0xFF,0xFF,
            0xDB,0xDB,0xDB,0xDB,0xFF,0xFF,0x66,0x66,
              0x00,0x00,0x3C,0x3C,0xFF,0xFF,0xFF,0xFF,
                0xFF,0xFF,0xBD,0xBD,0xFF,0xFF,0x3C,0x3C
                };

                // Gambar kue lilin mati
                const unsigned char kue_mati [] PROGMEM = {
                  0x00,0x00,0x00,0x00,0x18,0x18,0x18,0x18,
                    0x18,0x18,0x18,0x18,0x00,0x00,0x00,0x00,
                      0x00,0x00,0x7E,0x7E,0xFF,0xFF,0xDB,0xDB,
                        0xDB,0xDB,0xFF,0xFF,0x7E,0x7E,0x00,0x00,
                          0x00,0x00,0x66,0x66,0xFF,0xFF,0xFF,0xFF,
                            0xDB,0xDB,0xDB,0xDB,0xFF,0xFF,0x66,0x66,
                              0x00,0x00,0x3C,0x3C,0xFF,0xFF,0xFF,0xFF,
                                0xFF,0xFF,0xBD,0xBD,0xFF,0xFF,0x3C,0x3C
                                };

                                // Lagu ulang tahun (nada + durasi)
                                int melody[] = {
                                  NOTE_C4, NOTE_C4, NOTE_D4, NOTE_C4, NOTE_F4, NOTE_E4,
                                    NOTE_C4, NOTE_C4, NOTE_D4, NOTE_C4, NOTE_G4, NOTE_F4,
                                      NOTE_C4, NOTE_C4, NOTE_C5, NOTE_A4, NOTE_F4, NOTE_E4, NOTE_D4,
                                        NOTE_AS4, NOTE_AS4, NOTE_A4, NOTE_F4, NOTE_G4, NOTE_F4
                                        };

                                        int durations[] = {
                                          4, 4, 2, 2, 2, 1,
                                            4, 4, 2, 2, 2, 1,
                                              4, 4, 2, 2, 2, 2, 1,
                                                4, 4, 2, 2, 2, 1
                                                };

                                                void playMelody() {
                                                  for (int i = 0; i < sizeof(melody) / sizeof(int); i++) {
                                                      int duration = 1000 / durations[i];
                                                          tone(BUZZER_PIN, melody[i], duration);
                                                              delay(duration * 1.3);
                                                                  noTone(BUZZER_PIN);
                                                                    }
                                                                    }

                                                                    void setup() {
                                                                      pinMode(BUZZER_PIN, OUTPUT);
                                                                        display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
                                                                          display.clearDisplay();

                                                                            // Tampilkan gambar kue dengan api (hidup)
                                                                              display.drawBitmap(48, 0, kue_hidup, 32, 32, WHITE);
                                                                                display.display();
                                                                                  delay(2000); // Tahan gambar kue dengan api

                                                                                    // Tampilkan kue lilin mati
                                                                                      display.clearDisplay();
                                                                                        display.drawBitmap(48, 0, kue_mati, 32, 32, WHITE);
                                                                                          display.setTextSize(1);
                                                                                            display.setTextColor(WHITE);
                                                                                              display.setCursor(20, 40);
                                                                                                display.print("Happy Birthday");
                                                                                                  display.setCursor(35, 52);
                                                                                                    display.print("To Me :)");
                                                                                                      display.display();

                                                                                                        delay(500); // jeda sebelum lagu

                                                                                                          playMelody(); // Mainkan lagu ulang tahun
                                                                                                          }

                                                                                                          void loop() {
                                                                                                            // Kosongin loop, karena semua terjadi di setup
                                                                                                            }