#include "DHT.h"

// Define the pin numbers
const int buttonPin1 = 27; // Green Pushbutton connected to GPIO 27
const int buttonPin2 = 25; // Blue Pushbutton connected to GPIO 25
const int ledPin1 = 23;    // Red LED connected to GPIO 23
const int ledPin2 = 19;    // Yellow LED connected to GPIO 19
const int DHTPin = 15;     // DHT22 data pin connected to GPIO 15

// DHT sensor type
#define DHTTYPE DHT22

// Create a DHT object
DHT dht(DHTPin, DHTTYPE);

// Variables to hold the state of the buttons
int buttonState1 = 0;
int buttonState2 = 0;

void setup() {
  // Initialize the LED pins as outputs
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);

  // Initialize the pushbutton pins as inputs
  pinMode(buttonPin1, INPUT);
  pinMode(buttonPin2, INPUT);

  // Initialize the DHT sensor
  dht.begin();

  // Start the serial communication for debugging
  Serial.begin(115200);
}

void loop() {
  // Read the state of the pushbuttons
  buttonState1 = digitalRead(buttonPin1);
  buttonState2 = digitalRead(buttonPin2);

  // Check if the green pushbutton is pressed
  if (buttonState1 == LOW) {
    // Turn the red LED on
    digitalWrite(ledPin1, LOW);
    Serial.println("Green button pressed, Red LED ON");
  } else {
    // Turn the red LED off
    digitalWrite(ledPin1, HIGH);
    Serial.println("Green button not pressed, Red LED OFF");
  }

  // Check if the blue pushbutton is pressed
  if (buttonState2 == LOW) {
    // Turn the yellow LED on
    digitalWrite(ledPin2, LOW);
    Serial.println("Blue button pressed, Yellow LED ON");
  } else {
    // Turn the yellow LED off
    digitalWrite(ledPin2, HIGH);
    Serial.println("Blue button not pressed, Yellow LED OFF");
  }

  // Read temperature and humidity from DHT22 sensor
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  // Check if any reads failed and exit early (to try again).
  if (isnan(temperature) || isnan(humidity)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Print temperature and humidity values to the serial monitor
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.print(" °C, Humidity: ");
  Serial.print(humidity);
  Serial.println(" %");

  // Add a small delay to debounce the buttons and give time between sensor readings
  delay(1000); // Increase delay to 5 seconds
}