#define BLYNK_TEMPLATE_ID "TMPL6uGTmBWwS"
#define BLYNK_TEMPLATE_NAME "4 RELAY"
#define BLYNK_AUTH_TOKEN "pWNopgaKA2lonAWTrulkKlOuoozJ8_5_"
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

#include "DHT.h"

#define DHTTYPE DHT22  // DHT 11
#define DHTPIN 2
DHT dht(DHTPIN, DHTTYPE);


uint8_t time_delay = 0;
bool update_state1 = 0, update_state2 = 0, update_state3 = 0, update_state4 = 0, update_state5 = 0, update_state6 = 0 ;

#define user_wifi "Wokwi-GUEST"  // tên wifi
#define pass_wifi ""  // mật khẩu wifi


#define N1 17  // định nghĩa Nút nhấn 1 tương ứng với chan gpio
#define N2 5
#define N3 18
#define N4 19
#define N5 21
#define N6 3


#define R1 13
#define R2 12
#define R3 14
#define R4 27
#define R5 26
#define R6 25



void setup() {
 
  Serial.begin(9600);
  
  pinMode(N1, INPUT);
  pinMode(N2, INPUT);
  pinMode(N3, INPUT);
  pinMode(N4, INPUT);
  pinMode(N5, INPUT);
  pinMode(N6, INPUT);

  pinMode(R1, OUTPUT);
  pinMode(R2, OUTPUT);
  pinMode(R3, OUTPUT);
  pinMode(R4, OUTPUT);
  pinMode(R5, OUTPUT);
  pinMode(R6, OUTPUT);

  attachInterrupt(N1, handleInterrup1, FALLING);// su dung ngat
  attachInterrupt(N2, handleInterrup2, FALLING);
  attachInterrupt(N3, handleInterrup3, FALLING);
  attachInterrupt(N4, handleInterrup4, FALLING);
  attachInterrupt(N5, handleInterrup5, FALLING);
  attachInterrupt(N6, handleInterrup6, FALLING);

  Blynk.begin(BLYNK_AUTH_TOKEN, user_wifi, pass_wifi);
}

BLYNK_WRITE(V0) {
  int p = param.asInt();  // convert value to interger
  digitalWrite(R1, p);

  update_state1 = 1;
}

BLYNK_WRITE(V1) {
  int p = param.asInt();  // convert value to interger
  digitalWrite(R2, p);
}

BLYNK_WRITE(V2) {
  int p = param.asInt();  // convert value to interger
  digitalWrite(R3, p);
}

BLYNK_WRITE(V3) {
  int p = param.asInt();  // convert value to interger
  digitalWrite(R4, p);
}
BLYNK_WRITE(V4) {
  int p = param.asInt();  // convert value to interger
  digitalWrite(R5, p);
}
BLYNK_WRITE(V7) {
  int p = param.asInt();  // convert value to interger
  digitalWrite(R6, p);
}

void loop() {
  
  Blynk.run();
  
  // Read Temp
  float t = dht.readTemperature();
  // Read Humi
  float h = dht.readHumidity();
  // Check isRead ?
  if (isnan(h) || isnan(t)) {
    delay(500);
    Serial.println("Failed to read from DHT sensor!\n");
    return;
  }
  Blynk.virtualWrite(V6, t);
  Blynk.virtualWrite(V5, h);

  Serial.print("\n");
  Serial.print("Humidity: " + String(h) + "%");
  Serial.print("\t");
  Serial.print("Temperature:" + String(t) + " C");
  delay(5000);

  if (update_state1) {
    int state1 = digitalRead(R1);  // đọc lại trạng thái hiện tại của thiết bị
    Blynk.virtualWrite(V0, state1);  // gửi trạng thái thiết bị lên blynk thông qua pin ảo
    update_state1 = 0;
  }

  if (update_state2) {
    int state2 = digitalRead(R2);
    Blynk.virtualWrite(V1, state2);
    update_state2 = 0;
  }

  if (update_state3) {
    int state3 = digitalRead(R3);
    Blynk.virtualWrite(V2, state3);
    update_state3 = 0;
  }

  if (update_state4) {
    int state4 = digitalRead(R4);
    Blynk.virtualWrite(V3, state4);
    update_state4 = 0;
  }

  if (update_state5) {
    int state5 = digitalRead(R5);
    Blynk.virtualWrite(V4, state5);
    update_state5 = 0;
  }

  if (update_state6) {
    int state6 = digitalRead(R6);
    Blynk.virtualWrite(V7, state6);
    update_state6 = 0;
  }
}

ICACHE_RAM_ATTR void handleInterrup1() {
  if (millis() - time_delay > 200) {  // nút nhấn phải được thao tác trong tgian tối thiểu 200ms
    digitalWrite(R1, !digitalRead(R1));// dao trang thai R1
    update_state1 = 1;
    time_delay = millis();//gan ve gia tri bang timer
  }
}
ICACHE_RAM_ATTR void handleInterrup2() {
  if (millis() - time_delay > 200) {
    digitalWrite(R2, !digitalRead(R2));
    update_state2 = 1;
    time_delay = millis();
  }
}

ICACHE_RAM_ATTR void handleInterrup3() {
  if (millis() - time_delay > 200) {
    digitalWrite(R3, !digitalRead(R3));
    update_state3 = 1;
    time_delay = millis();
  }
}

ICACHE_RAM_ATTR void handleInterrup4() {
  if (millis() - time_delay > 200) {
    digitalWrite(R4, !digitalRead(R4));
    update_state4 = 1;
    time_delay = millis();
  }
}
  ICACHE_RAM_ATTR void handleInterrup5() {
  if (millis() - time_delay > 200) {
    digitalWrite(R5, !digitalRead(R5));
    update_state5 = 1;
    time_delay = millis();
  }
  }
  ICACHE_RAM_ATTR void handleInterrup6() {
  if (millis() - time_delay > 200) {
    digitalWrite(R6, !digitalRead(R6));
    update_state6 = 1;
    time_delay = millis();
  }
}