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//-------- User Settings -----------
const char* ssid = "eduroam";
#define EAP_ID "ID"
#define EAP_USERNAME "USERNAME"
#define EAP_PASSWORD "PASSWORD"
const char* accesskey = "insert access key here";
const char* accesskey2 = "same";
const char* bucketkey = "insert bucket key here";
const char* bucketkey2 = "same";
const char* signalname = "temperature";
const char* signalname2 = "humidity";
//----------------------------------

HTTPClient ask;
int counter = 0;  
static bool hasWifi = false;

//////////////
// Network //
////////////

static void InitWifi()
{
Serial.println();
    Serial.print("Connecting to ");
    Serial.println(ssid);
    
    // WPA2 enterprise magic starts here
    WiFi.disconnect(true);  
    //wifi_auth_mode_t(WIFI_AUTH_WPA2_ENTERPRISE);
    esp_wpa2_config_t config = WPA2_CONFIG_INIT_DEFAULT();
    esp_wifi_sta_wpa2_ent_set_identity((uint8_t *)EAP_ID, strlen(EAP_ID));
    esp_wifi_sta_wpa2_ent_set_username((uint8_t *)EAP_USERNAME, strlen(EAP_USERNAME));
    esp_wifi_sta_wpa2_ent_set_password((uint8_t *)EAP_PASSWORD, strlen(EAP_PASSWORD));
    esp_wifi_sta_wpa2_ent_enable(&config);
    // WPA2 enterprise magic ends here

    WiFi.begin(ssid);

    while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
    }
    hasWifi = true;
    Serial.println("");
    Serial.println("WiFi connected");
    Serial.println("IP address: ");
    Serial.println(WiFi.localIP());
  }
  hasWifi = true;
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}

void setup()
{
  Serial.begin(115200);
  Serial.println("ESP32 Device");
  Serial.println("Initializing...");
  
  dht.begin();

  // Initialize the WiFi module
  Serial.println(" > WiFi");
  hasWifi = false;
  InitWifi();
  if (!hasWifi)
  {
    return;
  }
}

//////////////
//Send Data//
////////////

void loop(){
  if (WiFi.status() == WL_CONNECTED) { //if we are connected
    counter = 0; //reset counter
    Serial.println("Wifi is still connected with IP: "); 
    Serial.println(WiFi.localIP());   //inform user about his IP address
  }else if (WiFi.status() != WL_CONNECTED) { //if we lost connection, retry
    WiFi.begin(ssid);      
  }
  while (WiFi.status() != WL_CONNECTED) { //during lost connection, print dots
    delay(500);
    Serial.print(".");
    counter++;
    if(counter>=60){ //30 seconds timeout - reset board
    ESP.restart();
    }
  }

  // Reading temperature or humidity
  float t = dht.readTemperature(true);
  // Create a URL for the request
  String url2 = "https://groker.init.st/api/events?accessKey=";
  url2 += accesskey;
  url2 += "&bucketKey=";
  url2 += bucketkey;
  url2 += "&";
  url2 += signalname;
  url2 += "=";
  url2 += t;

  Serial.print("*** requesting URL");
 
  // ask.begin;
  ask.begin(url2); //Specify the URL
  
  //Check for the returning code
  int httpCode = ask.GET();       

  Serial.print(httpCode);

  float h = dht.readHumidity(true); 
  String url = "https://groker.init.st/api/events?accessKey=";
  url += accesskey2;
  url += "&bucketKey=";
  url += bucketkey2;
  url += "&";
  url += signalname2;
  url += "=";
  url += h;

  Serial.print("*** requesting URL");
 
  // ask.begin;
  ask.begin(url); //Specify the URL
  
  //Check for the returning code
  int httpCode2 = ask.GET();       

  Serial.print(httpCode2);
  if (httpCode2 > 0) { 
      String payload2 = ask.getString();
  } else {
      Serial.println("Error on HTTP request");
  }
  ask.end(); //End 
  Serial.println("*** End ");
  delay(10000);    // delay
}