#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>

//Sesuaikan dengan addres i2c dan ukuran LCD yg digunakan


const char* ssid     = "Wokwi-GUEST"; //Silakan isi dengan nama SSID
const char* password = ""; //Siakan isi dengan password

// Buat object http
 HTTPClient http;

//sesuaikan dgn ip dan direktori penyimpanan file php anda
String url = "http://0934-114-10-134-153.ngrok-free.app/rizkyprojects/water-level/getdata.php?";
String payload;

String KEY_API = "abc123"; //silakan sesuaikan dengan KEY_API yg ada di database


const int buzzer   = 25;
const int trigPin  = 2;
const int echoPin  = 4;
const int relayPin = 26;

const int id_device = 1; //Device A
//const int id_device = 2; //Device B
//const int id_device = 3; //Device C
//const int id_device = 4; //Device D, dst...

long duration;
int jarak;


void setup () {

  Serial.begin(115200);
  WiFi.begin(ssid, password);

    pinMode (buzzer, OUTPUT);
    pinMode(relayPin, OUTPUT);
    pinMode(trigPin, OUTPUT);
    pinMode(echoPin, INPUT);
      
    while (WiFi.status() != WL_CONNECTED) {
        Serial.println("Connecting...");
        delay(100);
    }
  
 if(WiFi.status() == WL_CONNECTED) {
    Serial.println("Connected...!!!");
 }
   
}




void loop() {

  //Pengukuran jarak sensor ke permukaan air
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  duration = pulseIn(echoPin, HIGH);
  jarak = duration*0.034/2;
  
  
  
  if (WiFi.status() == WL_CONNECTED) {

    http.begin(url + "key_api=" + KEY_API +"&id_device=" + String(id_device) + "&jarak=" + String(jarak));
    int httpCode = http.GET();

    if (httpCode > 0) {
      char json[500];
      String payload = http.getString();
      payload.toCharArray(json, 500);
      
     DynamicJsonDocument doc(JSON_OBJECT_SIZE(5));


     // Deserialize the JSON document
        deserializeJson(doc, json);
        String ketinggian  = doc["ketinggian"];
        String level       = doc["status"];
        String message     = doc["message"];
        String Mode        = doc["mode"];
        String relay       = doc["relay"];
        
        
        Serial.print("Response HTTP = ");
        Serial.println(httpCode);
        Serial.print("Ketinggian = ");
        Serial.print(ketinggian);
        Serial.println(" cm");
        Serial.print("Level = ");
        Serial.println(level);
        Serial.print("Message = ");
        Serial.println(message);
        Serial.print("Mode = ");
        Serial.println(Mode);
        Serial.print("Relay = ");
        Serial.println(relay);
        Serial.println("-------------------------------");

          if(relay == "0"){
            digitalWrite(relayPin, HIGH);
            tone(buzzer, 100);
            delay(100);
            tone(buzzer, 100);
            delay(100);
            
          }
          else{
            digitalWrite(relayPin, LOW);
            noTone(buzzer);
          }
       delay(100);   
       
           
    }
    else{
      Serial.println("Koneksi ke Server Gagal!!!");
      Serial.println(http.errorToString(httpCode));
      Serial.println("");
    }

    http.end();

  }
  else {
    Serial.println("Disconnected!!!");
  }
}