#include <ArduinoJson.h>
#include <Wire.h>
#include <SPI.h>
#include <NTPClient.h>
#include <WiFi101.h>
#include <WiFiUdp.h>
#include "Adafruit_LEDBackpack.h"
#include "Adafruit_GFX.h"

char *ssid = "DIGI-01094341";
const char *password = "***";

String apiKey = "***key***";
String location = "budapest,HU";
int status = WL_IDLE_STATUS;
char server[] = "api.openweathermap.org";
WiFiClient client;

String nextWeather[] = {" ", " ", " "};


WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP);

int fenyero = 5;

Adafruit_7segment kijelzo = Adafruit_7segment();

void setup()
{
  kijelzo.begin(0x70);
  kijelzo.setBrightness(fenyero);
  Serial.begin(115200);
  Serial.print("Connecting to: ");
  Serial.println(ssid);
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print("Varakozas a kapcsolodasra...");
  }
  timeClient.begin();
  timeClient.setTimeOffset(7200); //GMT+1 (7200) vagy +0, mert mar a faszom se tudja mibe van MO.
}


void loop()
{
  oraDolgai();
  //idojarasDolgai();
  //kijelzo.writeDigitRaw(3, 0x63);  //celsiushoz fog kelleni
}


void oraDolgai()
{
  timeClient.update();
  String masodperc = ((timeClient.getFormattedTime().substring(6)));
  String perc = ((timeClient.getFormattedTime().substring(3)));
  String ora = ((timeClient.getFormattedTime().substring(0)));
  int masodpercc = masodperc.toInt();
  int oraa = ora.toInt();
  int percc = perc.toInt();

  unsigned int oraaa = oraa;
  unsigned int perccc = percc;
  unsigned int masodperccc = masodpercc;

  unsigned int ideiglenes = perccc;
  do
  {
    ideiglenes /= 10;
    oraaa *= 10;
  } while (ideiglenes > 0);

  if (perccc < 10)
  {
    unsigned int kisebb = oraaa * 10;
    unsigned int pontosido = kisebb + perccc;
    kijelzo.print(pontosido);
  }
  else
  {
    unsigned int pontosido2 = oraaa + perccc;
    kijelzo.print(pontosido2);
  }

  if (masodpercc % 2){
    kijelzo.drawColon(false);
  }
  else
  {
    kijelzo.drawColon(true);
  }
  kijelzo.writeDisplay();
}

void idojarasDolgai()
{
  Serial.println("\nStarting connection to server...");
  if (client.connect(server, 80))
  {
    Serial.println("connected to server");
    // Make a HTTP request:
    client.print("GET /data/2.5/forecast?");
    client.print("q=" + location);
    client.print("&appid=" + apiKey);
    client.print("&cnt=3");
    client.println("&units=metric");
    client.println("Host: api.openweathermap.org");
    client.println("Connection: close");
    client.println();
  }
  else
  {
    Serial.println("unable to connect");
  }

  //json adatbazis
  //http://api.openweathermap.org/data/2.5/forecast?q=budapest,HU&cnt=3&appid=***key***

  //delay(1000);
  String line = "";

  while (client.connected())
  {
    line = client.readStringUntil('\n');

    //create a json buffer where to store the json data
    StaticJsonBuffer<5000> jsonBuffer;
    JsonObject& root = jsonBuffer.parseObject(line);
    if (!root.success())
    {
      Serial.println("parseObject() failed");
      return;
    }

    //get the data from the json tree
    String nextWeather0 = root["list"][0]["main"]["temp"];

    nextWeather[0] = nextWeather0;

    int idojaras = nextWeather0.toInt();

    Serial.println(idojaras);
  }
}