#define BLYNK_PRINT Serial

#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>

const char* ssid     = "ITStep-Student";
const char* password = "studentstudent";
const char* token    = "4c3112a82451477c8c8f548f94413ec7";

bool login() {
  const char* host = "wifi.itstep.kiev.ua";
  const int httpPort = 80;
  String url = "/?request=&ADD";

  WiFiClient client;
  if (!client.connect(host, httpPort)) {
    return false;
  }

  client.print(String("GET ") + url + " HTTP/1.1\r\n" + "Host: " + host + "\r\n" + "Connection: close\r\n\r\n");
  unsigned long timeout = millis();
  while (client.available() == 0) {
    if (millis() - timeout > 5000) {
      client.stop();
      return false;
    }
  }

  return true;
}

void setup() {
  Serial.begin(115200);
  delay(10);

  Serial.println();
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);

  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());

  Serial.println("Loginning to IT-Step WiFi...");
  while (!login()) {}
  Serial.println("Done!");
  Serial.println("");

  Blynk.config(token);
  Serial.println("Connecting to Blynk server...");
  while (!Blynk.connect()) {}
  Serial.println("Done!");
  Serial.println("");
}

void loop() {
  Blynk.run();
}