#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <DHT.h>

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SSD1306_I2C_ADDRESS 0x3C  // Replace with your SSD1306 display I2C address
#define DHTTYPE DHT22
#define DHTPIN 12 



int redPin = 9,bluePin = 8, greenPin = 7;
int ButtonUp = 3;
enum ledState {
  goodTemperature,
  hotTemperature,
  coldTemperature
};
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
DHT dht(DHTPIN, DHTTYPE);
ledState state;

void setup() {
  
  Serial.begin(9600);
  Wire.begin(); // Initialize the Wire library
  if (!display.begin(SSD1306_SWITCHCAPVCC, SSD1306_I2C_ADDRESS)) {  // Initialize the OLED display
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); // if the display initialization failed, don't proceed
  }
  display.display();
  // delay(1000);
}

void loop() {
  // Wait a few seconds between measurements.
  delay(1000);
  float temp = dht.readTemperature();

  // Check if any reads failed and exit early (to try again).
  if (isnan(temp) ) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }
  if(temp >= 15 && temp <= 27 )
    state = goodTemperature;
  else if (temp > 27)
    state = hotTemperature;
  else
    state = coldTemperature;

  switch(state){

    case goodTemperature:
      
  }
  // display.clearDisplay();
  // display.setTextSize(1);
  // display.setTextColor(SSD1306_WHITE);
  // display.setCursor(0, 0);
  // display.println(F("Hello, World!"));
  // display.display();
  
  delay(2000);
}