#define BLYNK_TEMPLATE_ID "TMPL6rgBKXEpG"
#define BLYNK_TEMPLATE_NAME "control system"
#define BLYNK_AUTH_TOKEN "ZcJbqKoZKTg3JgrKnYYRfbUOH2iUuWuF"

#define BLYNK_PRINT Serial


#include <WiFi.h>
#include <WiFiClient.h>
#include "DHTesp.h"
#include <LiquidCrystal_I2C.h>
#include <BlynkSimpleEsp32_SSL.h>

LiquidCrystal_I2C lcd(0x27, 20, 4); 

#define cooling 19
#define Alarms 18
#define Ventilation 5
#define DoorControl 4

#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""

const int DHT_PIN = 15;

BlynkTimer timer;

DHTesp dhtSensor;
int waterSen;
int PIR;
int doorSw;
int Temp;
int Hum;
int mq2;
int vol;

void myTimerEvent() {
    Blynk.virtualWrite(V1,vol);
    Blynk.virtualWrite(V6,PIR);
    Blynk.virtualWrite(V7,Temp);
    Blynk.virtualWrite(V8,Hum);
    Blynk.virtualWrite(V9,waterSen);
    Blynk.virtualWrite(V10,doorSw);
}

BLYNK_WRITE(V0) {
  int value = param.asInt(); // Get the value from the app
  digitalWrite(DoorControl,value);
}

/*BLYNK_WRITE(V1) {
  int value = param.asInt(); // Get the value from the app
  digitalWrite(Ventilation,value);
}
*/
void sendSensor() {
   
}

void setup() {
  Serial.begin(115200);
  delay(10);
  lcd.init(); // initialize the lcd
  lcd.backlight();
  lcd.clear();                  // clear display
  lcd.setCursor(6, 0);          // move cursor to   (3, 0)
  lcd.print("Welcome");

  Blynk.begin(BLYNK_AUTH_TOKEN, WIFI_SSID, WIFI_PASSWORD);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  pinMode(32, INPUT_PULLUP);
  pinMode(35, INPUT);
  pinMode(25, INPUT);
  
  timer.setInterval(1000L, sendSensor);
  timer.setInterval(1000L, myTimerEvent);

  pinMode(cooling, OUTPUT);
  pinMode(Alarms, OUTPUT);
  pinMode(Ventilation, OUTPUT);
  pinMode(DoorControl, OUTPUT);

}

void loop() {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Temp=data.temperature;
  Hum=data.humidity;

  lcd.setCursor(0, 0);          // move cursor to   (3, 0)
  lcd.print("Temp:" + String(data.temperature,1) + "C  ");
  lcd.setCursor(12, 0);  
  lcd.print("Hum:" + String(data.humidity,0) + "%");

  waterSen=analogRead(34);
  if(waterSen>200){
    waterSen=1;
  }
  else{
    waterSen=0;
  }
  Serial.print("water");
  Serial.println(waterSen);

  PIR=digitalRead(35);
  mq2=digitalRead(25);
  Serial.print("PIR ");
  Serial.println(PIR);

  lcd.setCursor(0, 1);          // move cursor to   (3, 0)
  lcd.print("water:" + String(waterSen) );
  lcd.setCursor(8, 1);  
  lcd.print("PIR:" + String(PIR) );
  lcd.setCursor(14, 1);  
  lcd.print("MQ2:" + String(mq2) );

  doorSw=digitalRead(32);
  Serial.println(doorSw);

  Serial.println();//voltage

  lcd.setCursor(0, 2);  
  lcd.print("door:" + String(doorSw) );

  lcd.setCursor(10, 2);  

 vol=map(analogRead(33),0,4096,0,250);
 lcd.print("volt:" + String(vol));

  

  lcd.setCursor(0, 3);  
  lcd.print("cool:" + String(digitalRead(cooling)) );

  lcd.setCursor(10, 3);  
  lcd.print("vent:" + String(digitalRead(Ventilation)) );

  if((waterSen)||(mq2)){
    digitalWrite(Alarms,1);
  }
  else{
    digitalWrite(Alarms,0);
  }

  if(Temp>35){
    digitalWrite(cooling,1);
  }
  else{
    digitalWrite(cooling,0);
  }

  delay(100); // Wait for a new reading from the sensor (DHT22 has ~0.5Hz sample rate)
  Blynk.run();
  timer.run();

  Serial.println("---");
}