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

Adafruit_SSD1306 display(128, 64, &Wire, -1);

DHTesp dhtSensor;

void setup() {
  // put your setup code here, to run once:
  // Serial.println("Hello, ESP32!");

  pinMode(12, INPUT);
  pinMode(14, INPUT);
  pinMode(26, INPUT);
  dhtSensor.setup(26, DHTesp::DHT22);
  pinMode(0, OUTPUT);
  pinMode(16, OUTPUT);
  Serial.begin(115200);


  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3C for 128x64
    Serial.println(F("SSD1306 allocation failed"));
    for(;;);
  }
  
  display.display();
  delay(2000);
  display.clearDisplay();
}

void loop() {
  // put your main code here, to run repeatedly:

  int sensorValue = digitalRead(12);
  int button_state = digitalRead(14);
  // float temp_reading = digitalRead(26);

  if(button_state == HIGH)
  {
    // Serial.println("Button on"); 
    digitalWrite(0, HIGH);
  }
  else
  {
    // Serial.println("Button off"); 
    if(sensorValue == HIGH)
    {
      // Serial.println("sensor low light"); 
      digitalWrite(0, HIGH);
    }
    else
    {
      // Serial.println("sensor high light"); 
      digitalWrite(0, LOW);
    }
  }

  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  // Serial.print("temp_reading: ");
  // Serial.println(data.temperature);
  // Serial.println("---");
  float room_temp = data.temperature;


  display.clearDisplay();
  display.setTextSize(1.2);
  display.setTextColor(SSD1306_WHITE);
  display.setCursor(0,0);
  display.print("Temp: ");
  display.print(data.temperature);
  display.println(" C");
  display.display();

  if(room_temp >= 35.0 && room_temp < 40.0)
  {
    tone(16, 1000, 500);
    delay(2000);
  }
  else if(room_temp >= 40.0)
  {
    tone(16, 1000, 500);
    delay(1000);
  }

  // delay(1000);
}