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

const int DHT_PIN = 23;
LiquidCrystal_I2C lcd(0x27, 16, 2);  // Set the LCD address and size
DHTesp dhtSensor;

void setup() {
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);  // Initialize the DHT sensor
  lcd.init();  // Initialize the LCD
  lcd.backlight();  // Turn on the backlight
  
  lcd.setCursor(0, 0);
  lcd.print("Tes Sensor DHT22");
  delay(2000);  // Display the initialization message for 2 seconds
}

void loop() {
  // Read temperature and humidity data
  TempAndHumidity data = dhtSensor.getTempAndHumidity();

  // Check if the readings are valid
  if (isnan(data.temperature) || isnan(data.humidity)) {
    Serial.println("Failed to read from DHT sensor!");
    lcd.setCursor(0, 0);
    lcd.print("Error reading data");
    lcd.setCursor(0, 1);
    lcd.print("                ");  // Clear the second line
  } else {
    // Print the temperature and humidity to the Serial Monitor
    Serial.println("Temp: " + String(data.temperature, 1) + "°C");
    Serial.println("Humidity: " + String(data.humidity, 1) + "%");
    Serial.println("---");

    // Display temperature and its progress bar
    lcd.setCursor(0, 0);
    lcd.print("T:");
    lcd.print(data.temperature, 1);
    lcd.print((char)223);  // Degree symbol
    lcd.print("C [");

    int tempProgress = map(data.temperature, 0, 50, 0, 10);  // Map temperature range (0-50°C) to a progress bar (0-10 blocks)
    for (int i = 0; i < 10; i++) {
      lcd.print(i < tempProgress ? (char)255 : ' ');  // Full block or space
    }
    lcd.print("]");

    // Display humidity and its progress bar
    lcd.setCursor(0, 1);
    lcd.print("H:");
    lcd.print(data.humidity, 1);
    lcd.print("% [");

    int humidityProgress = map(data.humidity, 0, 100, 0, 10);  // Map humidity range (0-100%) to a progress bar (0-10 blocks)
    for (int i = 0; i < 10; i++) {
      lcd.print(i < humidityProgress ? (char)255 : ' ');  // Full block or space
    }
    lcd.print("]");
  }

  delay(2000);  // Wait for 2 seconds before updating the values
}