// LIBS
#include "DHTesp.h"
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>


// DEPENDENCIES BLYNK

#define BLYNK_TEMPLATE_ID "TMPL2lB8pw9B8"
#define BLYNK_TEMPLATE_NAME "smart fire alert"
#define BLYNK_AUTH_TOKEN "beePxq5lRMQ0ySK604d0j2kqFbvJr_nd"


// BLYNK VARIABLES
char auth[] = BLYNK_AUTH_TOKEN;

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

BlynkTimer timer;


//  INPUT
#define MOVIMENTO 18
#define CHAMA 19
#define FUMACA 21 // o sensor de umidade esta substituindo o de fumaça



// OUTPUT
#define LED 2
#define LED_WIFI 5
#define BUZZER 4


int mov = 0;
int chama = 0;
int fumaca = 0;
int fire = 0;


DHTesp dhtSensor;

void setup() {
  Serial.begin(115200);
  pinMode(LED, OUTPUT);
  pinMode(LED_WIFI, OUTPUT);
  pinMode(BUZZER, OUTPUT);

  pinMode(MOVIMENTO, INPUT);
  pinMode(CHAMA, INPUT);
  dhtSensor.setup(FUMACA, DHTesp::DHT22);
  

  // WIFI CONECTADO
  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    digitalWrite(LED_WIFI, LOW);
    delay(300);
    Serial.print(".");
    digitalWrite(LED_WIFI, HIGH);
  }
  Serial.println(" Connected!");

  // BLYNK CONECTADO
  Blynk.begin(auth, ssid, pass);

}

void loop() {
  Blynk.run();
  timer.run();
  

  // SISTEMA LIGADO
  digitalWrite(LED, HIGH);
  digitalWrite(LED_WIFI, LOW);
  digitalWrite(BUZZER, LOW);
  // delay(1000);

  // DETECTAR FOGO
  detect_fire();


}

void detect_fire(){
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();

  if(digitalRead(CHAMA) == LOW && data.temperature >= 43.00){
      Serial.println("INCENDIO !!!!");
      Serial.println("Avisar Administração do predio");
      Blynk.logEvent("fire_alert_adm");
      detect_movement();
      delay(10000); // 10 segundo
    }
    // DETECTAR CHAMA, ACIMA DE 100 JÁ É CHAMA
    else if (digitalRead(CHAMA) == LOW){
      Serial.println("Tem CHAMA!");
      delay(5000); // 5 segundos

    }else if(data.temperature >= 43.00){
      Serial.println("Tem fumaça!");
      delay(5000); // 5 segundos

    }
    else{
      Serial.println("Sem problemas!");
      delay(20000); // 20 segundos
    }
}

void detect_movement(){
  // DETECTAR MOVIMENTO

  mov = digitalRead(MOVIMENTO);
  if (mov == HIGH){
    digitalWrite(BUZZER, HIGH);
    Serial.println("Tem pessoas no predio, avisar a todos!");
    Blynk.logEvent("fire_alert_all");
    delay(1000);
  }else{
    Serial.println("Avisar corpo de bombeiros");
    Serial.println("Sem pessoas no predio, avisar brigada!");
    Blynk.logEvent("fire_alert_brigada");
  }
}