#include <Fuzzy.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);
const int sensorTDSPin = A0;
const int sensorPhPin = A1;  // Tambahkan pin untuk sensor pH
Fuzzy *fuzzy = new Fuzzy();

FuzzySet *low = new FuzzySet(0, 0, 1000, 2000);
FuzzySet *medium = new FuzzySet(1000, 2000, 3000, 4000);
FuzzySet *high = new FuzzySet(3000, 4000, 5000, 5000);

void setup() {
  lcd.begin(16, 2);
  lcd.backlight();
  lcd.print("Kelompok 7:");
  delay(1000);
  lcd.setCursor(0, 1);
  lcd.print("Amanda, Firnanda,");
  delay(1000);
  lcd.setCursor(0, 2);
  lcd.print("dan Nalla");
  delay(2000);
  lcd.clear();
  Serial.begin(115200);
  randomSeed(analogRead(0));

  FuzzyInput *tds = new FuzzyInput(1);
  tds->addFuzzySet(low);
  tds->addFuzzySet(medium);
  tds->addFuzzySet(high);
  fuzzy->addFuzzyInput(tds);
}

void loop() {
  int sensorValue = analogRead(sensorTDSPin);
  float tdsValue = map(sensorValue, 0, 1023, 0, 5000);
  lcd.setCursor(0, 0);
  lcd.print("TDS: ");
  lcd.print(tdsValue, 2);
  lcd.print(" ppm");

  // Menentukan tingkat kejernihan air berdasarkan nilai TDS
  lcd.setCursor(0, 1);
  if (tdsValue < 1000) {
    lcd.print("Sangat Jernih");
  } else if (tdsValue < 3000) {
    lcd.print("Cukup Jernih");
  } else {
    lcd.print("Keruh");
  }

  int phValue = analogRead(sensorPhPin);  // Baca nilai dari sensor pH
  lcd.setCursor(0, 2);
  lcd.print("pH: ");
  lcd.print(phValue);

  // Menentukan apakah larutan asam, basa, atau netral
  if (phValue < 7) {
    lcd.print(" (Asam)");
  } else if (phValue > 7) {
    lcd.print(" (Basa)");
  } else {
    lcd.print(" (Netral)");
  }
  
  fuzzy->setInput(1, tdsValue);
  fuzzy->fuzzify();
  float output = fuzzy->defuzzify(1);

  // The servo control line is removed

  delay(1000);
  lcd.clear();
}