#include <Arduino.h>

int button_pin = 2;
bool button_press = false;
int menu = 0;
#include "DHTesp.h"
#include <LiquidCrystal_I2C.h>
#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4
LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);
const int DHT_PIN = 15;
DHTesp dhtSensor;

void setup() {
  Serial.begin(115200);
  Serial.println("Hello");
  pinMode(button_pin, INPUT);
  lcd.init();
  lcd.backlight();
  lcd.print("Hello");
  lcd.setCursor(0, 1);
  lcd.print("I'm PhacPhac");
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
}

void loop() {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  String f,h;
  f = String(data.temperature, 2);
  h = String(data.humidity, 1);
  
  int button_state = digitalRead(button_pin);
  if (button_state == HIGH && !button_press) {
    delay(50);
    if (button_state == HIGH) {
      button_press = true;
      menu++;
      
      if (menu > 2) {
        menu = 1;
      }
      
      Serial.print("menu : ");
      Serial.println(menu);
      
      lcd.print("Job2-Button");
      Serial.println("Job2-Button");

      if (menu == 1) {
        lcd.setCursor(0, 0);
        lcd.print("Job2-Button");
        Serial.println("Job2-Button");
        lcd.setCursor(0, 1);
        lcd.print("Temp: " + String(data.temperature, 2) + "°C    ");
        Serial.println("Temp: " + String(data.temperature, 2) + "°C");
      } else if (menu == 2) {
        lcd.setCursor(0, 0);
        lcd.print("Job2-Button");
        Serial.println("Job2-Button");
        lcd.setCursor(0, 1);
        lcd.print("Humidity: " + String(data.humidity, 1) + "%    ");
        Serial.println("Humidity: " + String(data.humidity, 1) + "%");
      }
    }
  } else if (button_state == LOW) {
    button_press = false;
  }
  
  delay(50);
}