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

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

const int DHT_PIN = 15;
DHTesp dht;

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

  dht.setup(DHT_PIN, DHTesp::DHT22);

  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println("OLED failed");
    while(true);
  }

  display.clearDisplay();
  display.setTextColor(SSD1306_WHITE);
}

void loop() {
  TempAndHumidity data = dht.getTempAndHumidity();

  float temp = data.temperature;
  float hum = data.humidity;

  display.clearDisplay();

  display.setTextSize(1);
  display.setCursor(0,0);
  display.println("Smart Plant");

  display.setCursor(0,20);
  display.print("Temp: ");
  display.print(temp);
  display.println(" C");

  display.setCursor(0,35);
  display.print("Humidity: ");
  display.print(hum);
  display.println(" %");

  display.display();

  Serial.print("Temp: ");
  Serial.println(temp);
  Serial.print("Humidity: ");
  Serial.println(hum);

  delay(2000);
}