#define BLYNK_TEMPLATE_ID "TMPLahbzupmn"
#define BLYNK_DEVICE_NAME "Smart Parking System"
#define BLYNK_AUTH_TOKEN "trBE_eTWPrpFiD3vCULsThrh7s6bkgDW"
#define BLYNK_PRINT Serial


#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <LiquidCrystal_I2C.h>
#include<ESP32Servo.h>

char auth[] = BLYNK_AUTH_TOKEN;

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

#define Entry_sensor 26
#define Slot1_sensor 18
#define Slot2_sensor 19
#define Exit_sensor 4
int state_entry;
  int state_slot1;
  int state_slot2;
  int state_exit;
// This function will be called every time Slider Widget
// in Blynk app writes values to the Virtual Pin V1
BLYNK_WRITE(V0)
{
  int state_slot1= digitalRead(Slot1_sensor);
  int pinValue = param.asInt(); // assigning incoming value from pin V0 to a variable
  Blynk.virtualWrite(V0, state_slot1);
  // process received value
}
BLYNK_WRITE(V1)
{
  int state_slot2= digitalRead(Slot2_sensor);
  int pinValue_1 = param.asInt(); // assigning incoming value from pin V1 to a variable
  digitalRead(Slot2_sensor);
  Blynk.virtualWrite(V0, state_slot2);
  // process received value
}
LiquidCrystal_I2C lcd(0x27,16,2);
Servo Servo1;
Servo Servo2;
int zero=0;
int one=1;
void setup()
{
  pinMode(Entry_sensor, INPUT);
  pinMode(Slot1_sensor, INPUT);
  pinMode(Slot2_sensor, INPUT);
  pinMode(Exit_sensor, INPUT);
  Servo1.attach(25);
  Servo2.attach(23);
  lcd.init();
  // Debug console
  Serial.begin(115200);

  Blynk.begin(auth, ssid, pass);
  // You can also specify server:
  //Blynk.begin(auth, ssid, pass, "blynk.cloud", 80);
  //Blynk.begin(auth, ssid, pass, IPAddress(192,168,1,100), 8080);
  lcd.init();
  lcd.print(" Smart Parking..");
  lcd.setCursor(0, 1);
  lcd.print("     System");
  delay(2000);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Slot 1= A");
  lcd.setCursor(0, 1);
  lcd.print("Slot 2= A");
 delay(2000);
}

void loop()
{
  Blynk.run();

 int state_entry = digitalRead(Entry_sensor);
 int state_slot1 = digitalRead(Slot1_sensor);
  int state_slot2 = digitalRead(Slot2_sensor);
  int state_exit = digitalRead(Exit_sensor);
  if(state_entry == LOW){
   Servo1.write(90); 
  }
  else{
    Servo1.write(179);
  }
  if(state_slot1 == HIGH){
    lcd.setCursor(0, 0);
    lcd.print("Slot 1= NA");
    Blynk.virtualWrite(V0,  HIGH);
    delay(1000);
  }
  else{
    lcd.setCursor(0, 0);
    lcd.print("Slot 1= A");
     Blynk.virtualWrite(V0, LOW);
     delay(1000);
  }
  if(state_slot2 == HIGH){
    lcd.setCursor(0, 1);
    lcd.print("Slot 2= NA");
    Blynk.virtualWrite(V1, HIGH);
    delay(1000);
  }
  else{
    lcd.setCursor(0, 1);
    lcd.print("Slot 2= A");
    Blynk.virtualWrite(V1, LOW);
    delay(1000);
  }
  if(state_exit == LOW){
    Servo2.write(90);
  }
  else{
    Servo2.write(179);
  }
}