// #define BLYNK_TEMPLATE_ID "TMPL6owEBDgWa"
// #define BLYNK_TEMPLATE_NAME "UAP"
// #define BLYNK_AUTH_TOKEN "dlPKyycmdwqwzK0-ssYnaWJChVyhtpAp"

// #include <ESP8266WiFi.h>
// #include <BlynkSimpleEsp8266.h>

// WiFi Credentials
// char ssid[] = "zachriek";
// char pass[] = "bn4jxzju";

#include <DHT.h>
#include <Servo.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2); // SDA = A4, D2 | SDL = A5, D1

#define DHTPIN 2 // D2
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);

#define LDRPIN A0
#define TRIGPIN 3 // D5
#define ECHOPIN 4 // D6
#define LEDPIN 5 // D7
#define LED2PIN 6 // D8
#define SERVOPIN 9 // D1
// #define WATER_PUMP_PIN 6 // D9

int servoPosition = 0; 

Servo myServo;

long readUltrasonicDistance() {
  digitalWrite(TRIGPIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIGPIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIGPIN, LOW);
  long duration = pulseIn(ECHOPIN, HIGH);
  long distance = duration * 0.034 / 2;
  return distance;
}

void setup() {
  Serial.begin(9600);
  dht.begin();
  myServo.attach(SERVOPIN);
  lcd.init();
  lcd.backlight();

  pinMode(TRIGPIN, OUTPUT);
  pinMode(ECHOPIN, INPUT);
  pinMode(LEDPIN, OUTPUT);
  pinMode(LED2PIN, OUTPUT);

  // Blynk.begin(auth, ssid, pass);

  lcd.setCursor(0, 0);
  lcd.print("KELOMPOK 2A");
  lcd.setCursor(0, 1);
  lcd.print("Taufik Zachrie Zira");

  delay(1000);

  for (int lcdPosition = 0; lcdPosition < 20; lcdPosition++) {
    lcd.scrollDisplayLeft();
    delay(300);
  }

  lcd.clear();
}

void loop() {
  // Blynk.run();

  int ldrValue = analogRead(LDRPIN);
  float temp = dht.readTemperature();
  float hum = dht.readHumidity();
  long distance = readUltrasonicDistance();

  lcd.setCursor(0,0);
  lcd.print("Suhu: ");
  lcd.print(temp);
  lcd.print((char)223);
  lcd.print("C");
  lcd.setCursor(0,1);
  lcd.print("Kelembaban: ");
  lcd.print(hum);
  lcd.print("%");

  // Blynk.virtualWrite(V0, distance);
  // Blynk.virtualWrite(V1, temp);
  // Blynk.virtualWrite(V2, hum);

  if (ldrValue < 500) {
    digitalWrite(LEDPIN, LOW);
    // Blynk.virtualWrite(V3, 0);
  } else {
    digitalWrite(LEDPIN, HIGH);
    // Blynk.virtualWrite(V3, 1);
  }

  if (temp < 30) {
    digitalWrite(LED2PIN, HIGH);
    // Blynk.virtualWrite(V4, 1);
  } else {
    digitalWrite(LED2PIN, LOW);
    // Blynk.virtualWrite(V4, 0);
  }

  if (distance < 30) {
    myServo.write(0);
  } else {
    myServo.write(180);
  }

  delay(2000);
}