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

#define DHTPIN 2
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd = LiquidCrystal_I2C(0x27, 16, 2);

const uint8_t btns[] = {26, 27};
const uint8_t leds[] = {32, 33, 34, 35};

byte buttonState = LOW;
byte lastButtonState = LOW;
byte last_btn_state[2] = {LOW, LOW};
unsigned long lastDebounceTime = 0;
const unsigned long debounceDelay = 50;
byte pressCount = 0;
byte btn_press_count[2] = {0, 0};

void setup() {
  Serial.begin(115200);

  dht.begin();
  lcd.init();
  lcd.backlight();

  for (const uint8_t& btn : btns) pinMode(btn, INPUT_PULLUP);
  for (const uint8_t& led : leds) pinMode(led, OUTPUT);
}

void loop() {
  delay(10); // this speeds up the simulation

  uint8_t btn_states[2];
  for (uint8_t i = 0; i < 2; i++)
    btn_states[i] = digitalRead(btns[i]);
  
  Serial.println(btn_states);
  return;

  // Debounce tombol
  if (reading != lastButtonState) {
    lastDebounceTime = millis();
  }

  if ((millis() - lastDebounceTime) <= debounceDelay) {
    lastButtonState = reading; return;
  }

  if (reading == buttonState) return;
  buttonState = reading;
  if (buttonState != LOW) return;
  pressCount++;

  float h = dht.readHumidity();
  float t = dht.readTemperature();

  if (isnan(h) || isnan(t)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  // lcd.setCursor(0, 1);
  // lcd.println("Connection Err");

  if (pressCount == 1) {digitalWrite(LAMPU, HIGH); return;}
}