// Required Libraries
#include <Wire.h> 
#include <LiquidCrystal_I2C.h>

// Define the I2C address of the LCD
#define I2C_ADDR 0x27 

// Initialize the LCD
LiquidCrystal_I2C lcd(I2C_ADDR, 16, 2);

// Define the LED pins
int ledPins[4] = {6, 7, 8, 9};

void setup() {
  // Initialize the LCD connected to the I2C
  lcd.begin(16, 2);

  // Initialize the LDR sensors connected to A0, A1, A2, A3
  pinMode(A0, INPUT);
  pinMode(A1, INPUT);
  pinMode(A2, INPUT);
  pinMode(A3, INPUT);

  // Initialize the IR sensors connected to digital pins 2, 3, 4, 5
  pinMode(2, INPUT);
  pinMode(3, INPUT);
  pinMode(4, INPUT);
  pinMode(5, INPUT);

  // Initialize the LED lights connected to digital pins 6, 7, 8, 9
  for (int i = 0; i < 4; i++) {
    pinMode(ledPins[i], OUTPUT);
  }
}

void loop() {
  // Read the values from the LDR and IR sensors
  int ldrValues[4] = {analogRead(A0), analogRead(A1), analogRead(A2), analogRead(A3)};
  int irValues[4] = {digitalRead(2), digitalRead(3), digitalRead(4), digitalRead(5)};

  // Control the LED lights based on the IR sensor values
  for (int i = 0; i < 4; i++) {
    if (irValues[i] == HIGH) { // If movement is detected
      digitalWrite(ledPins[i], HIGH); // Turn on the LED
    } else {
      // Reduce the intensity of the LED light
      // You can adjust the value to change the intensity as needed
      analogWrite(ledPins[i], 127); // Half intensity
    }
  }

  // Display the values on the LCD
  lcd.clear();
  for (int i = 0; i < 4; i++) {
    lcd.setCursor(0, 0);
    lcd.print("Street Light ");
    lcd.print(i+1);
    lcd.setCursor(0, 1);
    lcd.print("LDR: ");
    lcd.print(ldrValues[i]);
    lcd.print(" IR: ");
    lcd.print(irValues[i] == HIGH ? "Movement" : "No Movement");
    delay(3000); // Wait for 3 seconds before displaying the next set of values
  }
}