#if defined(ESP8266)
#include <ESP8266WiFi.h>
#elif defined(ESP32)
#include <WiFi.h>
#endif

#include <LiquidCrystal_I2C.h>
#include "ThingsBoard.h"
#include "DHTesp.h"

#define DHT_PIN 15
#define AIR_KURANG 2
#define AIR_CUKUP 5
#define LCD_COLUMN 16
#define LCD_ROW 2
#define LED_LOW 32
#define LED_NORMAL 33
#define LED_HIGH 25
#define trig 2
#define echo 4
#define buzz 13
#define LDR_PIN 36
#define TERANG 27
#define GELAP 26

#define WIFI_SSID           "Wokwi-GUEST"
#define WIFI_PASSWORD       ""
#define TOKEN               "t9UJWMFTohVVFSeQOvC3"
#define THINGSBOARD_SERVER  "thingsboard.cloud"

// LDR Characteristics
const float GAMMA = 0.7;
const float RL10 = 50;
LiquidCrystal_I2C lcd(0x27, 20, 4);

float suhu;
int status = WL_IDLE_STATUS;

DHTesp sensorSuhu;
WiFiClient espClient;
ThingsBoard tb(espClient);


float lux()
{
  int analogValue = analogRead(LDR_PIN);
  float voltage = analogValue / 1024. * 5;
  float resistance = 2000 * voltage / (1 - voltage / 5);
  return pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
}

void InitLCD()
{
  lcd.init();
  lcd.backlight();
  lcd.print("Hello");
  delay(1000);
  for (int i; i < 10; i++) {
    lcd.scrollDisplayLeft();
    delay(200);
  }
  lcd.clear();
}

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()
{
  Serial.begin(115200);
  pinMode(AIR_KURANG, OUTPUT);
  pinMode(AIR_CUKUP, OUTPUT);
  pinMode(LED_LOW, OUTPUT);
  pinMode(LED_NORMAL, OUTPUT);
  pinMode(LED_HIGH, OUTPUT);
  pinMode(buzz, OUTPUT);
  pinMode(TERANG, OUTPUT);
  pinMode(GELAP, OUTPUT);
  InitWiFi();
  lcd.init();
  lcd.backlight();
  sensorSuhu.setup(DHT_PIN, DHTesp::DHT22);
}
/////////////////Rumus nilai JARAK/////////////////
float ultrasonik(){
  digitalWrite(trig, LOW); ////Trigger off pancaran ultrasonik////////
  delayMicroseconds(2);
  digitalWrite(trig, HIGH);/////Trigger on pancaran ultrasonik///////
  delayMicroseconds(10);
  digitalWrite(trig, LOW);////Trigger off pancaran ultrasonik////////
  ////////Hasil pembacaan ultrasonik//////////////
  int durasiPantulan = pulseIn(echo, HIGH);
  return durasiPantulan * 0.034 / 2;
  ////////////////////////////////////////////////
}
///////////////////////////////////////////////////

void loop()
{
  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;
    }
  }


float jarakPer = ultrasonik();
  
  tb.sendTelemetryFloat("Tinggi Air", jarakPer);


  if (jarakPer>=30){
    digitalWrite(AIR_KURANG, HIGH);
    digitalWrite(AIR_CUKUP, LOW);
    tb.sendTelemetryInt("Larutan Nutrisi Kurang", 1);
    tb.sendTelemetryInt("Larutan Nutrisi Cukup", 0);
    tone(buzz, 500);
    delay(500);
    

  }
  else {
    digitalWrite(AIR_CUKUP, HIGH);
    digitalWrite(AIR_KURANG, LOW);
    tb.sendTelemetryInt("Larutan Nutrisi Kurang", 0);
    tb.sendTelemetryInt("Larutan Nutrisi Cukup", 1);
    delay(25000);
    
  }
  float cahaya = lux();
  TempAndHumidity data = sensorSuhu.getTempAndHumidity();
  suhu = data.temperature;
  Serial.println("Suhu: " + String(data.temperature,2) + "°C"); /////String(Pembacaan Suhu, nilai dibelakang koma)
  Serial.println("Kelembapan: " + String(data.humidity,1) + "%");/////String(Pembacaan Kelembaban, nilai dibelakang koma)
  Serial.print("Jarak Air Nutrisi= ");
  Serial.println(ultrasonik());
  Serial.print("Intensitas Cahaya: ");
  Serial.println(cahaya);
  Serial.println("---");

  lcd.setCursor(0, 0);
  lcd.print("Jarak Air:");

  lcd.print(jarakPer);
  lcd.print("cm");
  
  lcd.setCursor(0, 1);
  lcd.print("Ruang: ");
  tb.sendTelemetryInt("Intensitas Cahaya", cahaya);
  if (cahaya > 50) {
  lcd.print("Terang");
  digitalWrite(TERANG, HIGH);
  digitalWrite(GELAP, LOW);
  tb.sendTelemetryInt("Terang", 1);
  tb.sendTelemetryInt("Gelap", 0);
  }
  else if (cahaya <= 50) {
  lcd.print("Gelap");
  digitalWrite(TERANG, LOW);
  digitalWrite(GELAP, HIGH);
  tb.sendTelemetryInt("Terang", 0);
  tb.sendTelemetryInt("Gelap", 1);
  }

 ////////////////// Menampilkan di LCD ///////////////////////////
  lcd.setCursor(2, 2);
  lcd.print("Lux: ");
  lcd.print(lux());
  // lcd.print("          ");
  
  tb.sendTelemetryInt("Temperature", suhu);
  
 
  if (suhu < 26)
  {
    digitalWrite(LED_LOW, HIGH);
    digitalWrite(LED_NORMAL, LOW);
    digitalWrite(LED_HIGH, LOW);
    tb.sendTelemetryInt("Suhu Rendah", 1);
    tb.sendTelemetryInt("Suhu Normal", 0);
    tb.sendTelemetryInt("Suhu Tinggi", 0);
  }
  else if (suhu >= 26 && suhu <= 35)
  {
    digitalWrite(LED_LOW, LOW);
    digitalWrite(LED_NORMAL, HIGH);
    digitalWrite(LED_HIGH, LOW);
    tb.sendTelemetryInt("Suhu Rendah", 0);
    tb.sendTelemetryInt("Suhu Normal", 1);
    tb.sendTelemetryInt("Suhu Tinggi", 0);
  }
  else if (suhu > 35)
  {
    digitalWrite(LED_LOW, LOW);
    digitalWrite(LED_NORMAL, LOW);
    digitalWrite(LED_HIGH, HIGH);
    tb.sendTelemetryInt("Suhu Rendah", 0);
    tb.sendTelemetryInt("Suhu Normal", 0);
    tb.sendTelemetryInt("Suhu Tinggi", 1);
  }
  delay(0);
  noTone(buzz);
  tb.loop();
}