#include "DHT.h"
#include <LiquidCrystal_I2C.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#include <Keypad.h>
#include <WiFi.h>
#include <UUID.h>

#define DHTPIN 4
#define DHTTYPE DHT22
#define ONE_WIRE_BUS 3

float moisture, temperature, Celsius, Fahrenheit, SoilM;
const uint8_t ROWS = 4;
const uint8_t COLS = 4;
char keys[ROWS][COLS] = {
  { '1', '2', '3', 'A' },
  { '4', '5', '6', 'B' },
  { '7', '8', '9', 'C' },
  { '*', '0', '#', 'D' }
};
uint8_t colPins[COLS] = { 8, 7, 6, 5 }; 
uint8_t rowPins[ROWS] = { 12, 11, 10, 9 }; 

OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
DHT dht (DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd (0x27,20,4);
Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  Serial.println("Starting Program");

  lcd.init();
  lcd.backlight();
  lcd.setBacklight(HIGH);

  dht.begin();
  sensors.begin();
  
  UUID uuid;
  uuid.seed(2);
  uuid.generate();
  Serial.println(uuid.toCharArray());


  lcd.setCursor(0,1);
  lcd.print("Memulai Menghidupkan");
  lcd.setCursor(6,2);
  lcd.print("Alat IoT");

  delay(10000);

}

void loop() {
  // put your main code here, to run repeatedly:
  lcd.clear();
  //kelembapan udara
  moisture = dht.readHumidity();

  //suhu udara
  temperature = dht.readTemperature();

  //suhu tanah
  sensors.requestTemperatures();
  Celsius = sensors.getTempCByIndex(0);

  //kelembapan tanah
  SoilM = analogRead(A3);

  LCD20x4();
  //cek_serial();

  char key = keypad.getKey();

  if (key != NO_KEY) {
    Serial.println(key);
  }

  delay(5000);
}
void LCD20x4(){
  //baris 1
  lcd.setCursor(0,0);
  lcd.print("Air Temp ");
  lcd.print(temperature);
  lcd.print("*C");

  //baris 2
  lcd.setCursor(0,1);
  lcd.print("Air Hum: ");
  lcd.print(moisture);
  lcd.print("%");

  //baris 3
  lcd.setCursor(0,2);
  lcd.print("Soil Temp: ");
  lcd.print(Celsius);
  lcd.print("*C");

  //baris 4
  lcd.setCursor(0,3);
  lcd.print("Soil Hum: ");
  lcd.print(SoilM);
  lcd.print("%");
}


void cek_serial(){
  //DHT 22
  Serial.print("PH: ");
  Serial.println();

  Serial.print("Hum: ");
  Serial.println(moisture);
  
  Serial.print("Suhu: ");
  Serial.println(temperature);
  
  Serial.print("Suhu Tanah: ");
  Serial.println(Celsius);

  Serial.print("Hum Tanah: ");
  Serial.println(SoilM);

  Serial.println();
}