#include <WiFi.h>
#include "ThingsBoard.h"
#include "DHTesp.h"
#define CURRENT_FIRMWARE_TITLE    "TEST"
#define CURRENT_FIRMWARE_VERSION  "1.0.0"
#define WIFI_SSID           "Wokwi-GUEST"
#define WIFI_PASSWORD       ""
#define TOKEN               "SVvFQLEYdaRCHBSh6Dp7"
#define THINGSBOARD_SERVER  "thingsboard.cloud"
const int DHT_PIN = 15;
#define Trig 13
#define Echo 12
float jarak = 0;
float ketinggian_air = 0;
int led = 0;
int buzzerPin = 22;
DHTesp dhtSensor;
WiFiClient espClient;
ThingsBoard tb(espClient);
int status = WL_IDLE_STATUS;

void InitWiFi()
{
  Serial.println("Connecting to AP ...");
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("Connected to AP");
}

void reconnect() {
  status = WiFi.status();
  if ( status != WL_CONNECTED) {
    WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
    while (WiFi.status() != WL_CONNECTED) {
      delay(500);
      Serial.print(".");
    }
    Serial.println("Connected to AP");
  }
}

void baca_jarak()
{
  digitalWrite(Trig, LOW);
  delayMicroseconds(2);
  digitalWrite(Trig, HIGH);
  delayMicroseconds(10);
  digitalWrite(Trig, LOW);

  int duration = pulseIn(Echo, HIGH);
  jarak = duration * 0.034 / 2;
  ketinggian_air = 400 - jarak;
}

void setup() {
  // initialize serial for debugging
  Serial.begin(115200);
  Serial.println();
  InitWiFi();
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  pinMode(Trig, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(buzzerPin, OUTPUT);
  pinMode(Echo, INPUT);
}

void loop() {
  delay(2000);

  if (WiFi.status() != WL_CONNECTED) {
    reconnect();
  }

  if (!tb.connected()) {
    // Connect to the ThingsBoard
    Serial.print("Connecting to: ");
    Serial.print(THINGSBOARD_SERVER);
    Serial.print(" with token ");
    Serial.println(TOKEN);
    if (!tb.connect(THINGSBOARD_SERVER, TOKEN)) {
      Serial.println("Failed to connect");
      return;
    }
  }

  baca_jarak();
  Serial.println("Sending data...");
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  tb.sendTelemetryFloat("Suhu", data.temperature);
  tb.sendTelemetryFloat("Kelembaban", data.humidity);
  tb.sendTelemetryFloat("Ketinggian_Air", ketinggian_air);
  tb.sendTelemetryInt("led", led);
   tb.sendTelemetryInt("Buzzer", buzzerPin);
  Serial.print("Suhu: ");
  Serial.print(data.temperature);
  Serial.print(" Kelembaban: ");
  Serial.print(data.humidity);
  Serial.print(" Ketinggian Air: ");
  Serial.print(ketinggian_air);
  Serial.println(" CM");
   if(data.temperature > 26){
    tone(buzzerPin, 31);
  //'tone' needs a minimukm of 2 arguements to work.(pin, frequency)
  //The above code 'tone' generates a square wave signal and a 50% duty cycle to pin 7 aka 'buzzerPin
  //The number '31' specifies the frequency to send to the piezo buzzer
  //Adjust this value to what ever you like, it can be between 31 and 65,535
  delay(1000);
  //The above 'delay' code will play the signal for 1000 milliseconds/1 second
  //Adjust this value to what ever you like

  noTone(buzzerPin);
  }
    if(data.temperature > 30){
    digitalWrite(2, HIGH);
    led = 1;
  }
 if(ketinggian_air >= 350 && data.temperature < 30){
    digitalWrite(2, LOW);
    led = 0;
  }
  tb.loop();

  tb.loop();
}