// Include required libraries
#include <Arduino.h>

// Pin Definitions
const int LIGHT_SENSOR_PIN = 2; // Replace with your light sensor pin
const int LED_PIN = 4;           // Replace with your LED pin
const int BUTTON_PIN = 23;

// Parameters
const int PWM_FREQUENCY = 1000; // PWM frequency
const int PWM_RESOLUTION = 8;   // PWM resolution (8 bits)
int callibration = 0;
int MinAmbient = 0;
int MaxAmbient = 0;

void setup() {
  // Initialize Serial Monitor
  Serial.begin(115200);

  // Initialize Light Sensor
  pinMode(LIGHT_SENSOR_PIN, INPUT);

  // Initialize LED
  ledcSetup(0, PWM_FREQUENCY, PWM_RESOLUTION);
  ledcAttachPin(LED_PIN, 0);
  pinMode(BUTTON_PIN, INPUT);
}

void loop() {
  // Read light sensor value
  int lightValue = analogRead(LIGHT_SENSOR_PIN);
  int Push_button_state = digitalRead(BUTTON_PIN);

  // Calibration
  while(callibration == 0){
    Serial.println("Turn off all your lights and push the button.");
    while(Push_button_state == 0){
      Push_button_state = digitalRead(BUTTON_PIN);
      delay(100);
      lightValue = analogRead(LIGHT_SENSOR_PIN);
      MinAmbient = lightValue;
    }
    Push_button_state = 0;
    delay(1000);
    Serial.println("Turn on all your lights and push the button.");
    while(Push_button_state == 0){
      Push_button_state = digitalRead(BUTTON_PIN);
      delay(100);
      lightValue = analogRead(LIGHT_SENSOR_PIN);
      MaxAmbient = lightValue;
    }
    callibration = 1;
  }

  // Update LED brightness using PWM
  int ledBrightness = map(lightValue, MaxAmbient, MinAmbient, 0, 255);
  if(ledBrightness < 0){
    ledcWrite(0, 0);
  }
  else{
    ledcWrite(0, ledBrightness);
  }
  // Print the sensor and LED brightness values
  Serial.print("MinAmbient: ");
  Serial.println(MinAmbient);
  Serial.print("MaxAmbient: ");
  Serial.println(MaxAmbient);
  Serial.print("Sensor Reading: ");
  Serial.println(lightValue);
  Serial.print("LED Brightness: ");
  Serial.println(ledBrightness);


  delay(1000); // Adjust the delay as needed for your application
}