#include <Arduino.h>
#include <Stepper.h>
#include <Tone.h>


const int pirPin = 2; // PIR sensor input pin
const int ledSensor = 13;  // LED indicator sensor detectie
const int ledSlaapkamer = 6;  // Slaapkamer LED
const int ledLiving = 5;      // Living room LED
const int ledTrap = 3;        // Trap LED
const int alarmPin = 7;       // Alarm status indicator
long alarmTime = 0;
const int buzzerPin = 7;
const int interval = 300;
long previousMillis = 0;

// Hond variabelen
int blaftonen[][2] = {
  {400, 150}, {600, 100}, {550, 200},
  {450, 150}, {700, 120}, {500, 180},
  {420, 160}, {680, 110}, {530, 190}
};
const int aantalTonen = 9;
int toonIndex = 0;
long vorigeMillis = 0;
bool alarmActief = false; // Alarm status


unsigned long startTime = 0;
bool alarmActive = false;
int state = 0;


const int stepsPerRevolution = 200;
Stepper myStepper(stepsPerRevolution, 8, 9, 10, 11);
Tone buzzer;


void setup() {
  pinMode(pirPin, INPUT);
  pinMode(ledSensor, OUTPUT);
  pinMode(ledSlaapkamer, OUTPUT);
  pinMode(ledLiving, OUTPUT);
  pinMode(ledTrap, OUTPUT);
  pinMode(alarmPin, OUTPUT);
  myStepper.setSpeed(30);
  buzzer.begin(buzzerPin);
  Serial.begin(9600);
}

void loop() {
  int pirState = digitalRead(pirPin);
  // Serial.println(pirState);

  switch (state) {

    case 0:
      if (pirState == HIGH) {
        digitalWrite(ledSensor, HIGH);
        startTime = millis();
        state = 1;
        blaf();
        Serial.println("blaf 0");
        Serial.println("Rolluiken sluiten");
        for (int i = 0; i < stepsPerRevolution; i++) { // rolluiken naar beneden traag
          myStepper.step(1);
          //delay(10);
        }
        Serial.println("🚨 Alarm gestart!");

      }
      break;

    case 1:
      if (millis() - startTime >= 200) {
        digitalWrite(ledSlaapkamer, HIGH);
        state = 2;
        startTime = millis();
        //for (int i = 0; i < 3; i++) { // Hond blaft
        blaf();
        Serial.println("blaf 1");
        Serial.println("Slaapkamer LED ON");

      }
      break;

    case 2:
      if (millis() - startTime >= 400) {
        digitalWrite(ledLiving, HIGH);
        state = 3;
        startTime = millis();
        blaf();
        Serial.println("blaf 2");
        Serial.println("Living  LED ON");
      }
      break;

    case 3:
      if (millis() - startTime >= 600) {
        digitalWrite(ledTrap, HIGH);
        state = 4;
        startTime = millis();
        blaf();
        Serial.println("blaf 3");
        Serial.println("Trap LED ON");
      }
      break;

    case 4:
      blaf();
      if (millis() - startTime >= 5000) {
        Serial.println("blaf 4");
        state = 5;
      }
      break;

    case 5:
      if (pirState == LOW) {
        digitalWrite(alarmPin, LOW);
        digitalWrite(ledSensor, LOW);
        digitalWrite(ledSlaapkamer, LOW);
        digitalWrite(ledLiving, LOW);
        digitalWrite(ledTrap, LOW);
        myStepper.step(-stepsPerRevolution);
        alarmActive = false;
        state = 0;
        Serial.println("✅ Alarm reset!");;
      }
      break;
  }
}

void blaf() {
  //Serial.println("Hond blaft");
  long currentMillis = millis();
  int blaftonen[][2] = {
    {400, 150}, {600, 100}, {550, 200}, // Eerste blaf
    {450, 150}, {700, 120}, {500, 180}, // tweede blaf
    {420, 160}, {680, 110}, {530, 190}  // derde blaf
  };

  for (int i = 0; i < 9; i++) {
    buzzer.play(blaftonen[i][0]);
    delay(blaftonen[i][1]);
    buzzer.stop();
    delay(50);
  }
  if (currentMillis - previousMillis >= interval) {
    previousMillis = currentMillis; // Update time
  }

}