#include <WiFi.h>
#include "ThingsBoard.h"
#include "DHTesp.h"
#include <Wire.h>
#include <Adafruit_SSD1306.h> // Memanggil Library OLED SSD1306

#define SCREEN_WIDTH 128 // Lebar Oled dalam Pixel
#define SCREEN_HEIGHT 32 // Tinggi Oled dalam Pixel

#define OLED_RESET     4 
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

#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               "62OHEK7EZFPrk1BRpqN7"
#define THINGSBOARD_SERVER  "thingsboard.cloud"

const int Pin_Potensio = 33;
const int Pompa = 12;
const int Alarm = 2;
float mydata;

// Baud rate for debug serial
#define SERIAL_DEBUG_BAUD   115200

const int DHT_PIN = 15;

DHTesp dhtSensor;

// Initialize ThingsBoard client
WiFiClient espClient;
// Initialize ThingsBoard instance
ThingsBoard tb(espClient);
// the Wifi radio's status
int status = WL_IDLE_STATUS;

void InitWiFi()
{
  Serial.println("Connecting to AP ...");
  // attempt to connect to WiFi network

  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {

    delay(500);
    Serial.print(".");
  }
  Serial.println("Connected to AP");
}

void reconnect() {
  // Loop until we're reconnected
  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_Potensio, INPUT);
  pinMode(Pompa, OUTPUT);
  pinMode(Alarm, OUTPUT);
}

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;
    }
  }

  Serial.println("Sending data...");

  // Uploads new telemetry to ThingsBoard using MQTT.
  // See https://thingsboard.io/docs/reference/mqtt-api/#telemetry-upload-api
  // for more details

  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // alamat I2C 0x3C untuk 128x32
    Serial.println(F("SSD1306 Gagal"));
    for(;;); // mengulang terus, hingga bisa menghubungkan ke I2C Oled
  }
  display.display();
  delay(2000);
  
  display.clearDisplay();                 //Membersihkan tampilan
  display.setTextSize(1);                 //Ukuran tulisan
  display.setTextColor(SSD1306_WHITE);    //Warna Tulisan
  display.setCursor(0,0);                 // Koordinat awal tulisan (x,y) dimulai dari atas-kiri
  display.println(F("Robotik ID"));       //Menampilkan Tulisan RobotikIndonesia
  display.setCursor(0,9);                 // Koordinat awal tulisan (x,y) dimulai dari atas-kiri
  delay(2000);
  
  mydata = analogRead(Pin_Potensio);
  int dataKelembaban =map(mydata, 0, 4095, 0, 100);
  Serial.print(dataKelembaban);
  Serial.print(" % ");
  delay(1000);

  if (dataKelembaban < 55)
  {
    digitalWrite(Pompa,   HIGH);
    digitalWrite(Alarm, HIGH);
    Serial.println("Pompa ON");
    Serial.println("Kelembaban Kurang");
    tb.sendTelemetryString("Status Pompa","HIDUP");
  }

  else if (dataKelembaban > 60)
  {
    digitalWrite(Pompa, LOW);
    digitalWrite(Alarm, LOW);
    Serial.println("Pompa OFF");
    Serial.println("Terlalu Lembab");
    tb.sendTelemetryString("Status Pompa", "MATI");
  }
  else if ((dataKelembaban >= 55)&&(dataKelembaban <= 60))
  {
    digitalWrite(Pompa, LOW);
    digitalWrite(Alarm, LOW);
    Serial.println("Pompa OFF");
    Serial.println("Kelembaban Cukup");
    tb.sendTelemetryString("Status Pompa", "MATI");
  }

  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  tb.sendTelemetryInt("Suhu", data.temperature);
  tb.sendTelemetryFloat("Kelembaban Tanah", dataKelembaban);
  Serial.print("Suhu : ");
  Serial.print(data.temperature);
  Serial.print(" Kelembaban Tanah : ");
  Serial.println(dataKelembaban);


  tb.loop();

  tb.loop();
}