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

LiquidCrystal_I2C lcd(0x27, 20, 4);
#define DHTPIN 2     
#define DHTTYPE DHT22 

DHT dht(DHTPIN, DHTTYPE);

const int tombol_kanan = 12;
const int tombol_kiri = 13;
const int tombol_ganti = 7;

int i;
int kondisi_tombol_kanan = 0;
int kondisi_tombol_kiri = 0;
int kondisi_tombol_ganti = 0;
String daftar[20] = {"strawberry"};
int j = 0;
int cocok = 0;

void setup() {
  pinMode(tombol_kanan, INPUT_PULLUP);
  pinMode(tombol_kiri, INPUT_PULLUP);
  pinMode(tombol_ganti, INPUT_PULLUP);
  dht.begin();
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("afivah");
  lcd.setCursor(0,1);
  lcd.print("monitoring");
  delay(3000);
  lcd.clear();
}

void loop() {
  cocok = 0;
  int kondisi_tombol_ganti = digitalRead(tombol_ganti);
  while (kondisi_tombol_ganti == 1)
  {
    kondisi_tombol_kanan = digitalRead(tombol_kanan);
    kondisi_tombol_kiri = digitalRead(tombol_kiri);
    if (kondisi_tombol_kiri == HIGH)
    {
      j++;
      if (j>2)
      {
        j = 0;
      }
    }
    if (kondisi_tombol_kanan == HIGH)
    {
      j--;
      if (j<0)
      {
        j = 2;
      }
    }
    lcd.setCursor(0,0);
    lcd.print("Tanaman");
    lcd.setCursor(0,2);
    lcd.print(daftar[j]);
    delay(1000);
    lcd.clear();
    kondisi_tombol_ganti = digitalRead(tombol_ganti);
    if (kondisi_tombol_ganti == 0)
    {
      break;
    }
  }
  lcd.setCursor(0,0);
  lcd.print("monitoring");
  lcd.setCursor(0,2);
  lcd.print("Tanaman");
  lcd.setCursor(0,3);
  lcd.print(daftar[j]);
  delay(2000);
  lcd.clear();
  for (i=0;i<3;i++)
  {
    float udara_temperature = dht.readTemperature();
    float udara_humidity = dht.readHumidity();
    float tanah_humidity = analogRead(A3);
    float tanah_pH = analogRead(A2);
    lcd.setCursor(0,0);
    lcd.print("Udara");
    lcd.setCursor(0,1);
    lcd.print("Humid");
    lcd.setCursor(6,1);
    lcd.print(udara_humidity);
    lcd.setCursor(12,1);
    lcd.print("%");
    lcd.setCursor(0,2);
    lcd.print("Temp");
    lcd.setCursor(6,2);
    lcd.print(udara_temperature);
    lcd.setCursor(12,2);
    lcd.print("Celcius");
    delay(1000);
    lcd.clear();
  }
  for (i=0;i<3;i++)
  {
    float udara_temperature = dht.readTemperature();
    float udara_humidity = dht.readHumidity();
    float tanah_humidity = analogRead(A3);
    float tanah_pH = analogRead(A2);
    if (tanah_humidity > 100)
    {
      tanah_humidity = 100;
    }
    else if (tanah_humidity < 0)
    {
      tanah_humidity = 0;
    }
    if (tanah_pH > 14)
    {
      tanah_pH = 14;
    }
    else if (tanah_pH < 0)
    {
      tanah_pH = 0;
    }
    lcd.setCursor(0,0);
    lcd.print("Tanah");
    lcd.setCursor(0,1);
    lcd.print("Humid");
    lcd.setCursor(9,1);
    lcd.print(tanah_humidity);
    lcd.setCursor(14,1);
    lcd.print("%");
    lcd.setCursor(0,2);
    lcd.print("pH Level");
    lcd.setCursor(9,2);
    lcd.print(tanah_pH);
    delay(1000);
    lcd.clear();
  }
  float udara_temperature = dht.readTemperature();
  float udara_humidity = dht.readHumidity();
  float tanah_humidity = analogRead(A3);
  float tanah_pH = analogRead(A2);
  if (daftar[j] == "strawberry")
  {
    if (udara_temperature>34 && udara_temperature<40)
    {
      if (udara_humidity>40 && udara_humidity<90)
      {
        if (tanah_humidity>60)
        {
          if (tanah_pH>=2 && tanah_pH<=6.5)
          {
            cocok = 1;
          }
        }
      }
    }
  }
 
  lcd.clear();
}