// ⚡ L298N Motor Driver Pins
#define IN1 5
#define IN2 4
#define ENA 3// PWM Speed Control

// 🌞 LDR Sensors (Simulating BH1750)
#define LDR_NORTH A4
#define LDR_SOUTH A5

// 🔋 Potentiometers (Simulating Voltage & Current Sensors)
#define VOLT_SENSOR A0
#define CURR_SENSOR A1

void setup() {
  Serial.begin(9600);
  pinMode(IN1, OUTPUT);
  pinMode(IN2, OUTPUT);
  pinMode(ENA, OUTPUT);
}

void loop() {
  // 🌞 Read Light Sensors
  int luxNorth = analogRead(LDR_NORTH);
  int luxSouth = analogRead(LDR_SOUTH);
  
  // 🔋 Read Simulated Voltage & Current
  float voltage = analogRead(VOLT_SENSOR) * (5.0 / 1023.0) * 5; // Simulated 0-25V
  float current = analogRead(CURR_SENSOR) * (5.0 / 1023.0) * 10; // Simulated 0-10A
  float power = voltage * current;

  // 🖥️ Print Readings
  Serial.print("North Lux: "); Serial.print(luxNorth);
  Serial.print(" | South Lux: "); Serial.print(luxSouth);
  Serial.print(" | Voltage: "); Serial.print(voltage);
  Serial.print("V | Current: "); Serial.print(current);
  Serial.print("A | Power: "); Serial.print(power); Serial.println("W");

  // ☀️ Control Motor Based on Light Difference
  if (luxSouth > luxNorth + 50) {
    Serial.println("Moving South...");
    moveMotor("South", 150);
  } 
  else if (luxNorth > luxSouth + 50) {
    Serial.println("Moving North...");
    moveMotor("North", 150);
  } 
  else {
    Serial.println("Stopping...");
    stopMotor();
  }

  delay(2000);
}

// **Move Motor Function**
void moveMotor(String direction, int speed) {
  if (direction == "South") {
    digitalWrite(IN1, HIGH);
    digitalWrite(IN2, LOW);
  } else {
    digitalWrite(IN1, LOW);
    digitalWrite(IN2, HIGH);
  }
  analogWrite(ENA, speed);
}

// **Stop Motor Function**
void stopMotor() {
  digitalWrite(IN1, LOW);
  digitalWrite(IN2, LOW);
  analogWrite(ENA, 0);
}