#define BLYNK_TEMPLATE_ID "TMPL6iwOONNVy"
#define BLYNK_TEMPLATE_NAME "cbcb"
#define BLYNK_AUTH_TOKEN "nJ4hU4M0S39fnUJ8ELnvaEhQPq0uU0o4"

#include <BlynkSimpleEsp32.h>

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;

int PB = 12; 
int slot_available = 5;

BLYNK_WRITE(V0) {
  digitalWrite(32, param.asInt());
}


#define trigPinOut 4
#define echoPinOut 16
#include <ESP32Servo.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);


bool portalClosed = false;  // Tambahkan variabel ini

Servo motor_servo;
Servo servoOut;

void setup() {
  // put your setup code here, to run once:
  pinMode(32, OUTPUT);
  Blynk.begin(auth, ssid, pass, "blynk.cloud", 80);
  

  lcd.init(); 
  pinMode(PB, INPUT_PULLUP);
  motor_servo.attach(14);
  motor_servo.write(0);
  Serial.begin(9600);
  Serial.println( "SISTEM PARKIR" );
  lcd.init();
  lcd.clear();
  lcd.backlight();
  lcd.setCursor(1,0);
  lcd.print("PARKIR");
  lcd.setCursor(2,1);
  lcd.print("KELOMPOK 9");
  delay(2000);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("JUMLAH SLOT TERSEDIA");
  lcd.setCursor(7, 1);
  lcd.print(slot_available);
  pinMode(trigPinOut, OUTPUT);
  pinMode(echoPinOut, INPUT);
  servoOut.attach(17);

  
}

void loop() {
  // put your main code here, to run repeatedly:
  Blynk.run();
  timer.run();

  if (digitalRead(PB) == LOW) { 
    if (slot_available > 0) {
      portal_open_btn();
      slot_available--;
      show_VehicleSlot();
      portalClosed = false;

      if (slot_available == 0) {
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("PARKIR PENUH!!!");
      }
      delay(1000); 
    }
  }
  Blynk.virtualWrite(V1, slot_available);
  long durationOut, distanceOut;
  digitalWrite(trigPinOut, LOW); 
  delayMicroseconds(2000);
  digitalWrite(trigPinOut, HIGH);
  delayMicroseconds(1000);
  digitalWrite(trigPinOut, LOW);
  durationOut = pulseIn(echoPinOut, HIGH);
  distanceOut = (durationOut/2) / 29.1;
  Serial.print("Jarak: ");
  Serial.print(distanceOut);
  Serial.println(" cm"); 

  if (distanceOut <= 5) {  // Jarak sensor
    servoOut.write(180);
    delay(1000);
    
    if (!portalClosed) {  // Tambahkan kondisi untuk memeriksa apakah pintu sudah tertutup sebelumnya
      if(slot_available < 5)
      {
        slot_available++;
      }
      show_VehicleSlot();
      portalClosed = true;  // Set flag pintuTertutup menjadi true
    }
  } else {
    servoOut.write(90);  // Sudut
    delay(1000);
    portalClosed = false;
  }
}

void show_VehicleSlot() {
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("JUMLAH SLOT TERSEDIA");
  lcd.setCursor(7, 1);
  lcd.print(slot_available);
}

void portal_open_btn() {
  motor_servo.write(90); 
  delay(2000); 
  motor_servo.write(0);
}