// Arduino Code

// Pin assignments
const int switchPin = 2;   // Start switch

// Door motors (Motor 1 & 2 on H-bridge)
const int leftPin  = 7;    // H-bridge left side
const int rightPin = 8;    // H-bridge right side

// Motor 3 – Water Pump
const int pumpPin = 9;

// Motor 4 – Object Rotator
const int rotatePin = 10;

void setup() {
  pinMode(switchPin, INPUT_PULLUP);

  pinMode(leftPin, OUTPUT);
  pinMode(rightPin, OUTPUT);

  pinMode(pumpPin, OUTPUT);
  pinMode(rotatePin, OUTPUT);

  // All motors off initially
  stopDoor();
  digitalWrite(pumpPin, LOW);
  digitalWrite(rotatePin, LOW);
}

void loop() {

  // Wait until switch is pressed
  if (digitalRead(switchPin) == LOW) {
    delay(50); // debounce

    //-------------------------------
    // SEQUENCE 1: Door Opening (1 second)
    //-------------------------------
    doorOpen();
    delay(1000);
    stopDoor();
    delay(5000);

    //-------------------------------
    // SEQUENCE 2: Water Pump (1 minute)
    //-------------------------------
    digitalWrite(pumpPin, HIGH);
    delay(60000); 
    digitalWrite(pumpPin, LOW);
    delay(5000);

    //-------------------------------
    // SEQUENCE 3: Door Closing (1 second)
    //-------------------------------
    doorClose();
    delay(1000);
    stopDoor();
    delay(5000);

    //-------------------------------
    // SEQUENCE 4: Motor 4 rotation (360 degrees)
    //-------------------------------
    digitalWrite(rotatePin, HIGH);
    delay(2000);   // Adjust for 360 degree turn
    digitalWrite(rotatePin, LOW);
    delay(5000);

    //-------------------------------
    // SEQUENCE 5: Door Open (stay open 5 minutes)
    //-------------------------------
    doorOpen();
    delay(1000);
    stopDoor();
    delay(300000);  // 5 minutes
    delay(5000);

    //-------------------------------
    // SEQUENCE 6: Door Close (1 second)
    //-------------------------------
    doorClose();
    delay(1000);
    stopDoor();
    delay(5000);

    //-------------------------------
    // SEQUENCE 7: Motor 4 rotation again
    //-------------------------------
    digitalWrite(rotatePin, HIGH);
    delay(2000);
    digitalWrite(rotatePin, LOW);
    delay(5000);

  }
}

// Door control functions
void doorOpen() {
  digitalWrite(leftPin, HIGH);
  digitalWrite(rightPin, LOW);
}

void doorClose() {
  digitalWrite(leftPin, LOW);
  digitalWrite(rightPin, HIGH);
}

void stopDoor() {
  digitalWrite(leftPin, LOW);
  digitalWrite(rightPin, LOW);
}