#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       ""

// See https://thingsboard.io/docs/getting-started-guides/helloworld/
// to understand how to obtain an access token
#define TOKEN               "m4U6thux4cbpnSjiiQXs"
#define THINGSBOARD_SERVER  "thingsboard.cloud"


// Baud rate for debug serial
#define SERIAL_DEBUG_BAUD   115200

#define DHT_PIN 15
#define PIN_TRIG 13
#define PIN_ECHO 12

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 setup() {
  // initialize serial for debugging
  Serial.begin(SERIAL_DEBUG_BAUD);
  Serial.println();
  InitWiFi();
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  pinMode(PIN_TRIG, OUTPUT);
  pinMode(PIN_ECHO, INPUT);
}

void loop() {
  delay(1000);

  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;
    }
  }

  digitalWrite(PIN_TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(PIN_TRIG, LOW);

  int duration = pulseIn(PIN_ECHO, HIGH);
  float water_level = duration / 58;

  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  Serial.println("Sending data...");
  tb.sendTelemetryInt("water_level", water_level);
  tb.sendTelemetryInt("temperature", data.temperature);
  tb.sendTelemetryFloat("humidity", data.humidity);

  Serial.print("Tinggi Air : ");
  Serial.print(water_level);
  Serial.print("cm Suhu : ");
  Serial.print(data.temperature);
  Serial.print(" Kelembaban : ");
  Serial.println(data.humidity);

  tb.loop();
}