/**
   BasicHTTPSClient.ino

    Created on: 20.08.2018

*/

#include <Arduino.h>

#include <ESP8266WiFi.h>
#include <ESP8266WiFiMulti.h>

#include <ESP8266HTTPClient.h>

#include <WiFiClientSecureBearSSL.h>
// Fingerprint for demo URL, expires on June 2, 2021, needs to be updated well before this date
//const uint8_t fingerprint[20] = {0x40, 0xaf, 0x00, 0x6b, 0xec, 0x90, 0x22, 0x41, 0x8e, 0xa3, 0xad, 0xfa, 0x1a, 0xe8, 0x25, 0x41, 0x1d, 0x1a, 0x54, 0xb3};
const uint8_t fingerprint[20] = {0xa9, 0xf0, 0x22, 0xf1, 0x1e, 0x1e, 0x81, 0xde, 0x69, 0x53, 0x1f, 0xc2, 0xad, 0x0e, 0xc0, 0x77, 0x8d, 0x42, 0x12, 0x61};
//0x00, 0xec, 0xe0, 0xb2, 0x78, 0x12,   c8, 0xdd, 0xd6, 0xd6, 0xa2, 0x30, 0x7f, 0x96, 0xfe, 0xbd, 0x8e
//0xa9, 0xf0, 0x22, 0xf1, 0x1e, 0x1e, 0x81, 0xde, 0x69, 0x53, 0x1f, 0xc2, 0xad, 0x0e, 0xc0, 0x77, 0x8d, 0x42, 0x12, 0x61
ESP8266WiFiMulti WiFiMulti;

void setup() {

  Serial.begin(115200);
  // Serial.setDebugOutput(true);

  Serial.println();
  Serial.println();
  Serial.println();

  for (uint8_t t = 4; t > 0; t--) {
    Serial.printf("[SETUP] WAIT %d...\n", t);
    Serial.flush();
    delay(1000);
  }

  WiFi.mode(WIFI_STA);
  WiFiMulti.addAP("TLU", "");
}

void loop() {
  // wait for WiFi connection
  if ((WiFiMulti.run() == WL_CONNECTED)) {

    std::unique_ptr<BearSSL::WiFiClientSecure>client(new BearSSL::WiFiClientSecure);

    client->setFingerprint(fingerprint);

    HTTPClient https;

    Serial.print("[HTTPS] begin...\n");
//    if (https.begin(*client, "https://jigsaw.w3.org/HTTP/connection.html")) {  // HTTPS
    if (https.begin(*client, "https://aikevadjaagup2021-default-rtdb.europe-west1.firebasedatabase.app/0212/lamp.json")) {  // HTTPS

      Serial.print("[HTTPS] GET...\n");
      // start connection and send HTTP header
      int httpCode = https.GET();

      // httpCode will be negative on error
      if (httpCode > 0) {
        // HTTP header has been send and Server response header has been handled
        Serial.printf("[HTTPS] GET... code: %d\n", httpCode);

        // file found at server
        if (httpCode == HTTP_CODE_OK || httpCode == HTTP_CODE_MOVED_PERMANENTLY) {
          String payload = https.getString();
          Serial.println(payload);
        }
      } else {
        Serial.printf("[HTTPS] GET... failed, error: %s\n", https.errorToString(httpCode).c_str());
      }

      https.end();
    } else {
      Serial.printf("[HTTPS] Unable to connect\n");
    }
  }

  Serial.println("Wait 10s before next round...");
  delay(10000);
}