#include <ESP32Servo.h>
#include <WiFi.h>

#define WIFI_AP "Wokwi-GUEST"
#define WIFI_PASSWORD ""

const int servoPin = 22;
const int potPin = 34; 
Servo servo;

int nilaiDigital;
float kelembapanTanah;
String keran;

#include <PubSubClient.h>


const char* ssid = "Wokwi-GUEST";
const char* password = "";

#define tb_server "thingsboard.cloud"
const int tb_port = 1883;
#define tb_token "fHY4hTHXRAclu3oRwa1E"

WiFiClient espClient;
PubSubClient client(espClient);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  servo.attach(servoPin);
  InitWiFi();
  // lastSend = 0;
}
void loop() {
       nilaiDigital=analogRead(34); //membaca nilai tegangan dari sensor pada pin 34
       kelembapanTanah = nilaiDigital/4095.00 * 100.00; //nilai 0-100%
      
      if (kelembapanTanah <= 50) {
        //Keran Air Terbuka
        servo.write(180);
        keran = "Keran Air Terbuka";
      }
      else{
        //Keran Air Tertutup
        servo.write(0);
        keran = "Keran Air Tertutup";
      }
      Serial.println("Mengirim data ke ThingsBoard:");
      Serial.print("Kelembaban tanah = ");
      Serial.print(kelembapanTanah);
      Serial.print(", Kondisi Keran = ");
      Serial.print(keran);
      Serial.println("");
    //   device1.sendTelemetryFloat("Kelembaban Tanah", kelembapanTanah);
    //   // device1.sendTelemetryFloat("humidity", humidity);
    //   lastSend = millis();
    //   Serial.println("Mengirim data ke ThingsBoard:");
    //   Serial.print("Kelembaban tanah = ");
    //   Serial.print(kelembapanTanah);
    //   Serial.print(", Kondisi Keran = ");
    //   Serial.print(keran);
    //   Serial.println("");
    // }
    // device1.loop();
    delay(15);
}
void InitWiFi()
{
  Serial.println("Menghubungkan ...");
  // mencoba koneksi ke WiFi

  WiFi.begin(WIFI_AP, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("Berhasil terhubung!");
}

// void reconnect() {
//   // diulang sampai reconnected
//   while (!device1.connected()) {
//     status = WiFi.status();
//     if ( status != WL_CONNECTED) {
//       WiFi.begin(WIFI_AP, WIFI_PASSWORD);
//       while (WiFi.status() != WL_CONNECTED) {
//         delay(500);
//         Serial.print(".");
//       }
//       Serial.println("Berhasil terhubung!");
//     }
//     Serial.print("Menghubungkan ke ThingsBoard node ...");
//     if ( device1.connect(thingsboardServer, TOKEN) ) {
//       Serial.println( "[DONE]" );
//     } else {
//       Serial.print( "[FAILED]" );
//       Serial.println( " [ retrying in 5 seconds]" );
//       // Wait 5 detik
//       delay( 5000 );
//     }
//   }
// }