#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_Sensor.h>
#include <SPI.h>
#include <Adafruit_BMP280.h>
#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>



#define SCREEN_WIDTH 128 // display width, in pixels
#define SCREEN_HEIGHT 64 // display height, in pixels

#define BMP_SCK  (18)
#define BMP_MISO (19)
#define BMP_MOSI (23)
#define BMP_CS   (5)

Adafruit_BMP280 bmp(BMP_CS, BMP_MOSI, BMP_MISO,  BMP_SCK);

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

const char* ssid = "Wokwi-GUEST";
const char* password = "";


void setup() {

  WiFi.begin(ssid, password, 6);
  
  while (WiFi.status() != WL_CONNECTED) 
  {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Successfully connected to the WiFi ");

  Serial.begin(115200);
  while ( !Serial ) delay(100);   // wait for native usb

  Serial.println(F("BMP280 test"));
    unsigned status;
  status = bmp.begin();
if (!status) {
    Serial.println(F("Could not find a valid BMP280 sensor, check wiring or "
                      "try a different address!"));
    while (1) delay(10);
  }

  /* Default settings from datasheet. */
  bmp.setSampling(Adafruit_BMP280::MODE_NORMAL,     /* Operating Mode. */
                  Adafruit_BMP280::SAMPLING_X2,     /* Temp. oversampling */
                  Adafruit_BMP280::SAMPLING_X16,    /* Pressure oversampling */
                  Adafruit_BMP280::FILTER_X16,      /* Filtering. */
                  Adafruit_BMP280::STANDBY_MS_500); /* Standby time. */

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

void loop() {

  float h = 12;
  float t = 11;

  delay(1000);
  display.clearDisplay();
  
    Serial.print(F("Temperature = "));
    Serial.print(bmp.readTemperature());
    Serial.println(" *C");


  // Temperature shown on the display
  display.setTextSize(1);
  display.setCursor(0,0);
  display.print("Temperature: ");
  display.setTextSize(2);
  display.setCursor(0,10);
  display.print(bmp.readTemperature());
  display.print(" ");
  display.setTextSize(1);
  display.cp437(true);
  display.write(167);
  display.setTextSize(2);
  display.print("C");
  
  // Anzeige des Luftdrucks auf dem Display
  display.setTextSize(1);
  display.setCursor(0, 35);
  display.print("Air pressure: ");
  display.setTextSize(2);
  display.setCursor(0, 45);
  display.print(bmp.readPressure());
  display.print(" Pa"); 

  HTTPClient http;
    
    StaticJsonDocument<200> doc;
    doc["pressure"] = bmp.readPressure(); 
    doc["name"] = "OleksandrH";
    doc["date"] = "05-23-2024";

    String output;
    serializeJson(doc, output);

    String url = "http://dweet.io/dweet/for/KNUS-11-05";
    http.begin(url);
    http.addHeader("Content-Type", "application/json");
    int httpCode = http.POST(output);

    if (httpCode > 0) 
    { 
      String payload = http.getString();
      Serial.println(payload);
    } 
    else 
    {
      Serial.println("Error on HTTP POST request");
    }

    http.end(); 


  display.display(); 
}