#include <AccelStepper.h>

// These constants won't change:
const int sensorPin = A0;  // pin that the sensor is attached to
const int ledPin = 9;      // pin that the LED is attached to
const int stepPin = 10;    // pin connected to the stepper motor step input
const int dirPin = 11;     // pin connected to the stepper motor direction input
const int stepsPerRevolution = 1; // number of steps per revolution for your stepper motor

// Create an instance of the AccelStepper library
AccelStepper myStepper(AccelStepper::DRIVER, stepPin, dirPin); 
// variables:
int sensorValue = 0;   // the sensor value
int sensorMin = 1;    // minimum sensor value
int sensorMax = 1010;  // maximum sensor value
int motorStep = 0;     // number of steps to move in each direction
int Yondegis =0;
void setup() {
  // start serial communication:
  Serial.begin(9600);  // Set the baud rate to 9600

  // turn on LED to signal the start of the calibration period:
  pinMode(13, OUTPUT);
  digitalWrite(13, HIGH);

  // calibrate during the first five seconds
  while (millis() < 1000) {
    sensorValue = analogRead(sensorPin);

    // record the maximum sensor value
    if (sensorValue > sensorMax) {
      sensorMax = sensorValue;
    }

    // record the minimum sensor value
    if (sensorValue < sensorMin) {
      sensorMin = sensorValue;
    }
  }

  // signal the end of the calibration period
  digitalWrite(13, LOW);

  // Print calibration results
  Serial.print("Sensor Min: ");
  Serial.println(sensorMin);
  Serial.print("Sensor Max: ");
  Serial.println(sensorMax);
if(Yondegis==1){myStepper.setPinsInverted(true, false, false);}
else{myStepper.setPinsInverted(false, false, false); }

  // Set the speed and acceleration of the stepper motor
  myStepper.setMaxSpeed(1000);  // Set maximum speed (steps per second)
  myStepper.setAcceleration(500);  // Set acceleration (steps per second^2)
}

void loop() {
  // read the sensor:
  sensorValue = analogRead(sensorPin);

  // in case the sensor value is outside the range seen during calibration
  sensorValue = constrain(sensorValue, sensorMin, sensorMax);

  // apply the calibration to the sensor reading
  sensorValue = map(sensorValue, sensorMin, sensorMax, 0, 255);

  // fade the LED using the calibrated value:
  analogWrite(ledPin, sensorValue);

  // Print the sensor value to Serial Monitor
  Serial.print("Sensor Value: ");
  Serial.println(sensorValue);
if(sensorValue>1)
{
myStepper.moveTo(200);
}else {myStepper.moveTo(0);}
  // Calculate the number of steps to move
  //motorStep = map(sensorValue, sensorMax, sensorMin, 0, 255); // Map sensor value to 0-200 steps

  // Set the target position for the stepper motor
  //myStepper.moveTo(motorStep);

  // Run the stepper to the target position
  myStepper.run();

  delay(10); // Delay to make serial output more readable
}