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

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET    -1

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

#define LEFT_PIN 4      
#define RIGHT_PIN 5     
#define MIC_PIN 2       
unsigned long lastActiveTime = 0;
int mode = 0; 

void setup() {
  Serial.begin(115200);
  pinMode(LEFT_PIN, INPUT_PULLUP);
  pinMode(RIGHT_PIN, INPUT_PULLUP);

  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println("SSD1306 gagal start!");
    for (;;);
  }

  display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(SSD1306_WHITE);
  display.setCursor(0, 0);
  display.println("Dazai Mochi Ready!");
  display.display();
  delay(1000);
}

void loop() {
  int micLevel = analogRead(MIC_PIN);
  bool leftActive = !digitalRead(LEFT_PIN);
  bool rightActive = !digitalRead(RIGHT_PIN);

  
  Serial.print("Left="); Serial.print(leftActive);
  Serial.print(" Right="); Serial.print(rightActive);
  Serial.print(" Mic="); Serial.println(micLevel);

  
  if (leftActive) {
    mode = 1;
    lastActiveTime = millis();
  } 
  else if (rightActive) {
    mode = 2;
    lastActiveTime = millis();
  } 
  else if (millis() - lastActiveTime > 2000) {
    mode = 0; 
  }

  display.clearDisplay();
  display.setTextSize(1);
  display.setCursor(0, 0);
  display.println("Dazai Mochi:");

  if (mode == 1) {
    display.setTextSize(2);
    display.setCursor(10, 20);
    display.println("(^ω^)");
  } 
  else if (mode == 2) {
    display.setTextSize(2);
    display.setCursor(10, 20);
    display.println("(♥‿♥)");
  } 
  else if (micLevel > 2000) {
    display.setTextSize(2);
    display.setCursor(10, 20);
    display.println("( 0 0 )");
  } 
  else {
    display.setTextSize(2);
    display.setCursor(10, 20);
    display.println("(・_・;)");
  }

  display.display();
  delay(100);
}