#define BLYNK_TEMPLATE_ID "TMPL2w_NAePC9"
#define BLYNK_TEMPLATE_NAME "SmartHomeSys"
#define BLYNK_AUTH_TOKEN "NrvR751CFMNBCadIrdfXtZN5VthQ0-nO"

#include <WiFi.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h>

// Auth Token Blynk
char auth[] = "NrvR751CFMNBCadIrdfXtZN5VthQ0-nO";  // مكرر

// // WiFi credentials
char ssid[] = "Wokwi-GUEST";
char pass[] = "";


// Pins
#define PIR_PIN 23
#define MQ2_PIN 34  // analog pin
#define DHT_PIN 32
#define LDR_PIN 35
// #define LED_PIN 22
#define BUZZER_PIN 21
#define FAN_PIN 19

#define DHTTYPE DHT22
DHT dht(DHT_PIN, DHTTYPE);

float temp = 0;
float humidity = 0;
int lightLevel = 0;

// --------------------------
// Blynk Virtual Pins
// --------------------------
#define VP_PIR V0
#define VP_Gas V1
#define VP_Light V2
#define VP_Led V3
#define VP_Buzzer V4
#define VP_fan V5
#define VP_Temp V6
#define VP_Hum V7

int Rpin = 5;
int Gpin = 4;
int Bpin = 2;


#define BLYNK_Buzzer V4

// لما تضغطي الزر في التطبيق
BLYNK_WRITE(BLYNK_Buzzer)
{
  int buttonState = param.asInt();   // قراءة قيمة الزر (0 أو 1)
  if(buttonState == 1){
  tone(BUZZER_PIN,5000);
  digitalWrite(BUZZER_PIN, HIGH);


}
else{
// noTone(BUZZER_PIN);
  digitalWrite(BUZZER_PIN, LOW);

}
}


void setup() {

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  // DHT11
  dht.begin();
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  // Sensor Pins
  pinMode(PIR_PIN, INPUT);
  pinMode(MQ2_PIN, INPUT);
  pinMode(LDR_PIN, INPUT);

  // Output Pins
  // pinMode(LED_PIN, OUTPUT);
  pinMode(BUZZER_PIN, OUTPUT);
  pinMode(FAN_PIN, OUTPUT);

 pinMode(Rpin, OUTPUT);
 pinMode(Gpin, OUTPUT);
 pinMode(Bpin, OUTPUT);


}

void loop() {

  Blynk.run();

  
  int PIRVlue = digitalRead(PIR_PIN);
  Serial.print("PIRVlue = ");
  Serial.println(PIRVlue);

if(PIRVlue == 1)
{
  // digitalWrite(LED_PIN, HIGH);
  tone(BUZZER_PIN,5000);
  //  Blynk.notify("Motion detected!");
  RGBColor(255,255,0);
  Blynk.virtualWrite(V0, "Found dection");
}
else{
  // digitalWrite(LED_PIN, LOW);
  noTone(BUZZER_PIN);
  RGBColor(0,0,0);
  Blynk.virtualWrite(V0, "No dection");
}

int Gasvalue = analogRead(MQ2_PIN);
     Serial.print("Gasvalue = ");
      Serial.println(Gasvalue);

      Blynk.virtualWrite(V1, Gasvalue);

if(Gasvalue>4000){
   tone(BUZZER_PIN,5000);
RGBColor(255,0,0);
  delay(1000); // this speeds up the simulation
}
else {
     noTone(BUZZER_PIN);

}
 // قراءة الحرارة والرطوبة
  float temp = dht.readTemperature();  // °C
  float humid = dht.readHumidity();    // %


    Serial.print("Temperature = ");
    Serial.println(temp);

    Serial.print("Humidity = ");
    Serial.println(humid);
  if(temp > 30) {
    RGBColor(0,255,0);
    digitalWrite(FAN_PIN, HIGH); // تشغيل مروحة
    Blynk.logEvent("HighTemp");
  } else {
    digitalWrite(FAN_PIN, LOW);
  }

  // // قراءة الإضاءة
  // lightLevel = analogRead(LDR_PIN);
  // if(lightLevel < 400) { // إذا الإضاءة منخفضة
  //   digitalWrite(LED_PIN, HIGH);
  // } else {
  //   digitalWrite(LED_PIN, LOW);
  // }
Blynk.virtualWrite(V6, temp); 
Blynk.virtualWrite(VP_Gas, Gasvalue);


  // إرسال القيم لـ Blynk
  // Blynk.virtualWrite(VP_Temp, temp);
  // Blynk.virtualWrite(VP_Hum, humid);

delay(1000);
}

void RGBColor(int R , int G , int B)
{
analogWrite(Rpin,R);
analogWrite(Gpin,G);
analogWrite(Bpin,B);
}