// Stepper motor on Wokwi!

#include <Stepper.h>

// change this to fit the number of steps per revolution
// for your motor
const int stepsPerRevolution = 200;

const int stepperSpeed = 60;

const int flapOpenTime = 10000; // 10 seconds

const int loopDelay = 2000; // 2 seconds

// initialize the stepper library on pins 8 through 11
Stepper myStepper(stepsPerRevolution, 8, 9, 10, 11);

int inputPinPir1 = 2;               // choose the input pin (for PIR sensor)
int inputPinPir2 = 4;               // choose the input pin (for PIR sensor)
int statePir1 = LOW;                // we start, assuming no motion detected
int statePir2 = LOW;                // we start, assuming no motion detected
int val1 = 0;                       // variable for reading the pin status
int val2 = 0;                       // variable for reading the pin status
int flap = 0;

void setup() {
  // set the speed at 60 rpm
  myStepper.setSpeed(stepperSpeed);

  // declare sensor as input
  pinMode(inputPinPir1, INPUT);

  // initialize the serial port
  Serial.begin(9600);
}

void loop() {
  // read input value
  val1 = digitalRead(inputPinPir1);
  Serial.println("**********");
  Serial.print("val1: ");
  Serial.print(val1);
  Serial.print(" val2: ");
  Serial.print(val2);
  Serial.print(" flap: ");
  Serial.println(flap);
  Serial.println("**********");
  // check if the input is HIGH
  if (val1 == HIGH && flap == 0) {
    if (statePir1 == LOW) {
      // we have just turned on
      Serial.println("Motion detected inside!");
      Serial.println("Flap is closed so open the flap.");
      // we only want to print on the output change, not state
      statePir1 = HIGH;
      // step one revolution  in one direction
      Serial.println("clockwise inside...");
      myStepper.step(stepsPerRevolution * 2);
      Serial.println("Set flap status to open.");
      flap = 1;
      Serial.print("Leave the flap open for ");
      Serial.print(flapOpenTime);
      Serial.println(" milliseconds.");
      delay(flapOpenTime);
      Serial.println("Close the flap.");
      // step one revolution in the other direction
      Serial.println("counterclockwise inside...");
      myStepper.step(-stepsPerRevolution * 2);
      Serial.println("Set flap status to cloded.");
      flap = 0;
    }
  } else {
    if (statePir1 == HIGH) {
      // we have just turned off
      Serial.println("Motion ended inside!");
      // we only want to print on the output change, not state
      statePir1 = LOW;
    }
  }

  // read input value
  val2 = digitalRead(inputPinPir2);
  Serial.println("**********");
  Serial.print("val1: ");
  Serial.print(val1);
  Serial.print(" val2: ");
  Serial.print(val2);
  Serial.print(" flap: ");
  Serial.println(flap);
  Serial.println("**********");
  // check if the input is HIGH
  if (val2 == HIGH && flap == 0) {
    if (statePir2 == LOW) {
      // we have just turned on
      Serial.println("Motion detected outside!");
      Serial.println("Flap is closed so open the flap.");
      // We only want to print on the output change, not state
      statePir2 = HIGH;
      // step one revolution  in one direction
      Serial.println("clockwise outside...");
      myStepper.step(stepsPerRevolution * 2);
      Serial.println("Set flap status to open.");
      flap = 1;
      Serial.print("Leave the flap open for ");
      Serial.print(flapOpenTime);
      Serial.println(" milliseconds.");
      delay(10000);
      Serial.println("Close the flap.");
      // step one revolution in the other direction:
      Serial.println("counterclockwise outside...");
      myStepper.step(-stepsPerRevolution * 2);
      Serial.println("Set flap status to cloded.");
      flap = 0;
    }
  } else {
    if (statePir2 == HIGH) {
      // we have just turned of
      Serial.println("Motion ended outside!");
      // We only want to print on the output change, not state
      statePir2 = LOW;
    }
  }
  Serial.print("Delay loop for ");
  Serial.print(loopDelay);
  Serial.println(" milliseconds.");
  delay(loopDelay);
}