#include "pitches.h"

#define SPEAKER_PIN 8
#define LDR_PIN A0

const uint8_t ledPins[] = { 2, 3, 4, 5 }; // LEDs for indicating brightness level
const int buttonTones[] = {
  NOTE_A3, NOTE_D4, NOTE_G4, NOTE_C5
};
const int numTones = sizeof(buttonTones) / sizeof(buttonTones[0]);

// Define thresholds for different brightness levels
const int brightThreshold = 1000;
const int midThreshold = 600;
const int dimThreshold = 200;

void setup() {
  Serial.begin(9600); // Initialize serial communication
  pinMode(LDR_PIN, INPUT);
  pinMode(SPEAKER_PIN, OUTPUT);
  for (uint8_t i = 0; i < 4; i++) {
    pinMode(ledPins[i], OUTPUT);
  }
}

void loop() {
  int sensorValue = analogRead(LDR_PIN);
  Serial.print("Sensor Value: ");
  Serial.println(sensorValue);

  // Determine brightness level based on sensor value and thresholds
  int brightnessLevel;
  if (sensorValue > brightThreshold) {
    brightnessLevel = 0; // Very bright
    digitalWrite(ledPins[0], HIGH); // Turn on the first LED
    digitalWrite(ledPins[1], LOW);  // Turn off other LEDs
    digitalWrite(ledPins[2], LOW);
    digitalWrite(ledPins[3], LOW);
    tone(SPEAKER_PIN, buttonTones[0]); // Play the first tone
  } else if (sensorValue > midThreshold) {
    brightnessLevel = 1; // Bright
    digitalWrite(ledPins[0], HIGH);
    digitalWrite(ledPins[1], HIGH);
    digitalWrite(ledPins[2], LOW);
    digitalWrite(ledPins[3], LOW);
    tone(SPEAKER_PIN, buttonTones[1]);
  } else if (sensorValue > dimThreshold) {
    brightnessLevel = 2; // Dim
    digitalWrite(ledPins[0], HIGH);
    digitalWrite(ledPins[1], HIGH);
    digitalWrite(ledPins[2], HIGH);
    digitalWrite(ledPins[3], LOW);
    tone(SPEAKER_PIN, buttonTones[2]);
  } else {
    brightnessLevel = 3; // Dark
    digitalWrite(ledPins[0], HIGH);
    digitalWrite(ledPins[1], HIGH);
    digitalWrite(ledPins[2], HIGH);
    digitalWrite(ledPins[3], HIGH);
    tone(SPEAKER_PIN, buttonTones[3]);
  }

  Serial.print("Brightness Level: ");
  Serial.println(brightnessLevel);

  delay(200); // Adjust delay time as needed
}