#include "Network.h"

#include <WiFi.h>
#include <WiFiClientSecure.h>


void Network::begin()
{
    byte TryCounter = 0;
    
    // Initiating wifi, like in BasicHttpClient example
    WiFi.mode(WIFI_STA);
    WiFi.begin(ssid, pass);

    while ((WiFi.status() != WL_CONNECTED) && (TryCounter < 10))
    {
        delay(1000);
        TryCounter++;
    }

    // Find internet time
    setTime();
}

// Gets time from ntp server
void Network::getTime(int *timeDigits)
{
    // Get seconds since 1.1.1970.
    time_t nowSecs = time(nullptr);

    // Used to store time
    struct tm timeinfo;
    gmtime_r(&nowSecs, &timeinfo);

    // Setting time string timezone (Better defined modulo, in case timezone makes hours to go below 0)
    timeinfo.tm_hour = ((timeinfo.tm_hour + timeZone) % 24 + 24) %24;

    // fill in the digits
    timeDigits[0] = timeinfo.tm_min % 10;    //minutes (units)
    timeDigits[1] = timeinfo.tm_min / 10;    //minutes (tens)
    timeDigits[2] = timeinfo.tm_hour % 10;   //hours (units)
    timeDigits[3] = timeinfo.tm_hour / 10;   //hours (tens)
}

void Network::off()
{
    WiFi.disconnect(true);
    WiFi.mode(WIFI_OFF);
}

void Network::setTime()
{
    byte TryCounter = 0;

    // Used for setting correct time
    configTime(0, 0, "de.pool.ntp.org", "time.nist.gov");

    delay(2000);  // wait 2s to (re)sync time
                  // if time is already set in RTC,
                  // the loop below doesn't wait for sync
                  // because the time value is valid

    time_t nowSecs = time(nullptr);
    while ((nowSecs < 8 * 3600 * 2)&& (TryCounter < 120))
    {
        delay(500);
//        yield();
        nowSecs = time(nullptr);
        TryCounter++;
    }
}