#define BLYNK_TEMPLATE_ID "TMPL6-o0k-KpA"
#define BLYNK_TEMPLATE_NAME "Monitoring Tanaman Hidroponik IoT"
#define BLYNK_AUTH_TOKEN "ZsjRF5HiLfI8FtYnw72r7HehSLWaNx55"
#include <WiFi.h>
#include <PubSubClient.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd (0x27, 20,4);
#define PIN_TRIG 26
#define PIN_ECHO 25
#define LOWLED   2
#define MIDLED   4
#define HIGHLED  5
#define MOTOR    27
int value1;
int value2;
const int potPin1 =35; // Pin analog potensiometer pertama
const int potPin2 =34; // Pin analog potensiometer kedua
char auth[] = "ZsjRF5HiLfI8FtYnw72r7HehSLWaNx55"; //diisi token blynk
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
unsigned int level = 0;
BlynkTimer timer;
float jarak = 0;
void setup() {
 // put your setup code here, to run once:
 Serial.begin(115200);
  Serial.println("Sistem Monitoring dan Kontroling Kualitas Air pada ikan Mas");
  lcd.init ();
  lcd.backlight ();
  lcd.setCursor (0,0);
  lcd.print ("Kelompok 6");
  lcd.setCursor (2,1);
  lcd.print ("IBNU ABDUL GANI ");
  lcd.setCursor (2,2);
  lcd.print ("ANDI LESMANA ");
  lcd.setCursor (2,3);
  lcd.print ("VIDI KURNIA NS ");
  pinMode(LOWLED,OUTPUT);
  pinMode(MIDLED,OUTPUT);
  pinMode(HIGHLED,OUTPUT);
  pinMode(MOTOR,OUTPUT);
  digitalWrite(LOWLED,HIGH);
  digitalWrite(MIDLED,HIGH);
  digitalWrite(HIGHLED,HIGH);
  digitalWrite(MOTOR,LOW);
  Serial.begin(115200);
  pinMode(PIN_TRIG, OUTPUT);
  pinMode(PIN_ECHO, INPUT);
  Blynk.begin(auth, ssid, pass);
}

void loop() {
  value1 = analogRead(potPin1);          //Read and save analog value from potentiometer
  value1 = map(value1, 0, 4095, 0, 100); //Map value 0-1023 to 0-255 (PWM)
  value2 = analogRead(potPin2);          //Read and save analog value from potentiometer
  value2 = map(value2, 0, 4095, 0, 10); //Map value 0-1023 to 0-255 (PWM)
  Serial.print("KEPEKATAN AIR: ");
  Serial.print(value1);
  Serial.print(" -PH AIR: ");
  Serial.print(value2);
  lcd.clear();
  lcd.setCursor (5,0);
  lcd.print ("Kualitas Air");
  lcd.setCursor (0,1);
  lcd.print ("Kepekatan Air: ");
  lcd.setCursor (15,1);
  lcd.print (value1 );
  lcd.setCursor (0,2);
  lcd.print ("PH Air: ");
  lcd.setCursor (8,2);
  lcd.print (value2 );
  lcd.setCursor (0,3);
  lcd.print ("Tinggi Air: ");
  lcd.setCursor (11,3);
  lcd.print (jarak );
  lcd.setCursor (17,3);
  lcd.print ("cm ");
  delay(500);
  // Start a new measurement:
  digitalWrite(PIN_TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(PIN_TRIG, LOW);

  // Read the result:
    int duration = pulseIn(PIN_ECHO, HIGH);
  //Menghitung jarak berdasarkan waktu yang diterima
   jarak = duration * 0.034 / 2;
  Serial.print("Tinggi Air: ");
  Serial.print(jarak);
  Serial.println(" cm");

   level = duration / 58;

  if(level < 100)
  {
    digitalWrite(LOWLED, LOW);   // Mematikan LED yang terhubung dengan pin LOWLED
    digitalWrite(MOTOR, HIGH);   // Menyalakan motor yang terhubung dengan pin MOTOR
    digitalWrite(HIGHLED, HIGH);  // Menyalakan LED yang terhubung dengan pin HIGHLED
    digitalWrite(MIDLED, HIGH);   // Menyalakan LED yang terhubung dengan pin MIDLED
  }
  else if ((level > 200) && (level < 400))
  {
 digitalWrite(LOWLED, HIGH);  // Menyalakan LED yang terhubung dengan pin LOWLED
    digitalWrite(HIGHLED, HIGH);  // Menyalakan LED yang terhubung dengan pin HIGHLED
    digitalWrite(MIDLED, LOW);   // Mematikan LED yang terhubung dengan pin MIDLED
  }
  else if (level >= 400)
  {
    digitalWrite(HIGHLED, LOW);  // Mematikan LED yang terhubung dengan pin HIGHLED
    digitalWrite(MIDLED, HIGH);   // Menyalakan LED yang terhubung dengan pin MIDLED
    digitalWrite(LOWLED, HIGH);   // Menyalakan LED yang terhubung dengan pin LOWLED
    digitalWrite(MOTOR, LOW);     // Mematikan motor yang terhubung dengan pin MOTOR
  }
  delay(1000);
  Blynk.virtualWrite(V0, value1); //mengirim data ke blynk
  Blynk.virtualWrite(V1, value2);
  Blynk.virtualWrite(V2, jarak);
}