#include <ESP32Servo.h>
#include "DHTesp.h"
#define BLYNK_PRINT Serial




/* Fill in information from Blynk Device Info here */
#define BLYNK_TEMPLATE_ID "TMPL6KwPLbm0E"
#define BLYNK_TEMPLATE_NAME "Lad5"
#define BLYNK_AUTH_TOKEN "zuIHmpaGivqmmEp2WyjUVAvfkYiK7AmO"



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




char ssid[] = "Wokwi-GUEST";
char pass[] = "";




const int DHT = 35, LED = 14, POTEN = 27, SERVO = 12;
int currentHumidity = 0, currentPoten = 0, degree = 0;
bool on_off = false;       // สถานะระบบ (เปิด/ปิด)
Servo servo;
DHTesp dht;
BlynkTimer timer;          // สร้าง Timer เพื่อแยกการทำงานออกจาก loop




void checkHumidity() {
  if (on_off) {
    int humidValue = dht.getHumidity();
    if (humidValue != currentHumidity) {
      currentHumidity = humidValue;
      Blynk.virtualWrite(V2, currentHumidity);
    }
  }
}
void checkPoten() {
  int potenValue = analogRead(POTEN);
  int poten = map(potenValue, 0, 4095, 0, 180);
  if (poten != currentPoten) {
    currentPoten = poten;
    Blynk.virtualWrite(V0, currentPoten);
  }
}




BLYNK_CONNECTED()
{
  Blynk.syncVirtual(V0);
  Blynk.syncVirtual(V1);
  Blynk.syncVirtual(V2);
}




BLYNK_WRITE(V0)
{
  degree = param.asInt();
  servo.write(degree);
  Serial.print("V0 Value Received: ");
  Serial.println(degree);
}




BLYNK_WRITE(V1)
{
  on_off = param.asInt();
  digitalWrite(LED, on_off);
  Serial.print("V1 Value Received: ");
  Serial.println(on_off);
}




BLYNK_WRITE(V2)
{
  Serial.print("V2 Value Received: ");
  Serial.println(param.asInt());
}




void setup() {
  Serial.begin(115200);
  servo.attach(SERVO);
  dht.setup(DHT, DHTesp::DHT22);
  servo.write(0);
  pinMode(LED, OUTPUT);
  pinMode(POTEN, INPUT);
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass, "blynk.cloud", 80);
  // every 3 seconds
  timer.setInterval(3000L, checkHumidity);
  // every 100ms
  timer.setInterval(100L, checkPoten);
}




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