#include "ESP8266WiFi.h"
#include <TinyGPS++.h>
#include <SoftwareSerial.h>
#include <SPI.h>
#include <SD.h>
File myFile;

static const int RXPin = D1, TXPin = D2;
static const uint32_t GPSBaud = 9600;
double TimeStart = 0;
int counter = 0;
int ledPin =D0;                                                                                                                      ;


// The TinyGPS++ object
TinyGPSPlus gps;

// The serial connection to the GPS device
SoftwareSerial ss(RXPin, TXPin);

void setup()
{
///////////////////MINDEN AMI NEM GPS/SD/////////////////
  Serial.begin(9600);
  pinMode(ledPin, OUTPUT);


////////////////////////SD START/////////////////////////
  while (!Serial) {
    ; // wait for serial port to connect. Needed for native USB port only
  }

  if (!SD.begin(4)) {
    Serial.println("initialization failed!");
    return;
  }
  SD.remove("test.txt");
  myFile = SD.open("test.txt", FILE_WRITE);

//////////////////////////////GPS START////////////////////////
  ss.begin(GPSBaud);

if (myFile) {
  myFile.print("Testing TinyGPS++"); Serial.print("Testing TinyGPS++");
  myFile.println(); Serial.println();
  Serial.println("Sats  Latitude   Longitude   Fix  Date       Time     Date Alt    Course Speed Card  Distance Course Card  Chars Sentences Checksum");
  myFile.println("Sats  Latitude   Longitude   Fix  Date       Time     Date Alt    Course Speed Card  Distance Course Card  Chars Sentences Checksum");
  Serial.println("           (deg)      (deg)       Age                      Age  (m)    --- from GPS ----  ---- to London  ----  RX    RX        Fail");
  myFile.println("           (deg)      (deg)       Age                      Age  (m)    --- from GPS ----  ---- to London  ----  RX    RX        Fail");
  Serial.println("----------------------------------------------------------------------------------------------------------------------------------------");
  myFile.println("----------------------------------------------------------------------------------------------------------------------------------------");
  myFile.close();
  } else Serial.println("Valami rossz.");
 delay (200);
 digitalWrite(ledPin, HIGH);
 delay (500);
 digitalWrite(ledPin, LOW);
 delay(200);
}

void loop()
{
if (analogRead (A0) > 800){
  myFile = SD.open ("test.txt", FILE_WRITE);
  Serial.print("Ertekkel rendelkezo meresek száma: "); Serial.println(counter); myFile.print("Ertekkel rendelkezo meresek szama: "); myFile.println(counter);
  Serial.print("Program futott "); Serial.print(TimeStart/10); Serial.println (" masodpercig."); myFile.print("Program futott "); myFile.print(TimeStart/10); myFile.println("masodpercig.");
  Serial.println("Huzd ki az sdkaryat"); myFile.println("Huzd ki az sdkartyat");
  delay(30);
  myFile.close();
  while(true){digitalWrite (ledPin, 1); delay(200); digitalWrite (ledPin, 0); delay(200);}
  delay(31556926000); //egy éved van
  }

  else {
  static const double LONDON_LAT = 51.508131, LONDON_LON = -0.128002;
  printInt(gps.satellites.value(), gps.satellites.isValid(), 5);
  printFloat(gps.location.lat(), gps.location.isValid(), 11, 6);
  printFloat(gps.location.lng(), gps.location.isValid(), 12, 6);
  printInt(gps.location.age(), gps.location.isValid(), 5);
  printDateTime(gps.date, gps.time);
  printFloat(gps.altitude.meters(), gps.altitude.isValid(), 7, 2);
  printFloat(gps.course.deg(), gps.course.isValid(), 7, 2);
  printFloat(gps.speed.kmph(), gps.speed.isValid(), 6, 2);
  printStr(gps.course.isValid() ? TinyGPSPlus::cardinal(gps.course.deg()) : "*** ", 6);

  unsigned long distanceKmToLondon =
    (unsigned long)TinyGPSPlus::distanceBetween(
      gps.location.lat(),
      gps.location.lng(),
      LONDON_LAT,
      LONDON_LON) / 1000;
  printInt(distanceKmToLondon, gps.location.isValid(), 9);

  double courseToLondon =
    TinyGPSPlus::courseTo(
      gps.location.lat(),
      gps.location.lng(),
      LONDON_LAT,
      LONDON_LON);

  printFloat(courseToLondon, gps.location.isValid(), 7, 2);

  const char *cardinalToLondon = TinyGPSPlus::cardinal(courseToLondon);

  printStr(gps.location.isValid() ? cardinalToLondon : "*** ", 6);

  printInt(gps.charsProcessed(), true, 6);
  printInt(gps.sentencesWithFix(), true, 10);
  printInt(gps.failedChecksum(), true, 9);

  TimeStart = TimeStart+5;
  TimeStart = TimeStart/10;
  myFile = SD.open ("test.txt", FILE_WRITE);
  if(myFile){
  digitalWrite(LED_BUILTIN, HIGH);
  Serial.print ("Program fut "); Serial.print (TimeStart); Serial.print (" másodperce.");
  myFile.print ("Program fut "); myFile.print (TimeStart); myFile.print (" másodperce.");
  Serial.println();
  myFile.println();
  myFile.close();
  } else digitalWrite(LED_BUILTIN, LOW);
  TimeStart = TimeStart*10;


  smartDelay(500);


  if (millis() > 5000 && gps.charsProcessed() < 10)
    Serial.println(F("No GPS data received: check wiring"));
 }
}

// This custom version of delay() ensures that the gps object
// is being "fed".
static void smartDelay(unsigned long ms)
{
  unsigned long start = millis();
  do
  {
    while (ss.available())
      gps.encode(ss.read());
  } while (millis() - start < ms);
}

static void printFloat(float val, bool valid, int len, int prec)
{
 myFile = SD.open("test.txt", FILE_WRITE);
 if (myFile) {
  digitalWrite(LED_BUILTIN, HIGH);
  if (!valid)
  {
    while (len-- > 1)
      Serial.print('*'); myFile.print('*');
    Serial.print(' '); myFile.print(' ');
    digitalWrite(ledPin, LOW);
  }
  else
  {
    digitalWrite(ledPin, HIGH);
    counter++;
    Serial.print(val, prec); myFile.print(val, prec);
    int vi = abs((int)val);
    int flen = prec + (val < 0.0 ? 2 : 1); // . and -
    flen += vi >= 1000 ? 4 : vi >= 100 ? 3 : vi >= 10 ? 2 : 1;
    for (int i=flen; i<len; ++i)
      Serial.print(' '); myFile.print(' ');
  }
  smartDelay(0);
 myFile.close();
 }
 else digitalWrite(LED_BUILTIN, LOW);
}

static void printInt(unsigned long val, bool valid, int len)
{
 myFile = SD.open("test.txt", FILE_WRITE);
 if (myFile) {
  digitalWrite(LED_BUILTIN, HIGH);
  char sz[32] = "*****************";
  if (valid)
    sprintf(sz, "%ld", val);
  sz[len] = 0;
  for (int i=strlen(sz); i<len; ++i)
    sz[i] = ' ';
  if (len > 0)
    sz[len-1] = ' ';
  Serial.print(sz); myFile.print(sz);
  smartDelay(0);
 myFile.close();
 }
 else digitalWrite(LED_BUILTIN, LOW);
}

static void printDateTime(TinyGPSDate &d, TinyGPSTime &t)
{
 myFile = SD.open("test.txt", FILE_WRITE);
 if (myFile) {
  digitalWrite(LED_BUILTIN, HIGH);
  if (!d.isValid())
  {
    Serial.print(F("********** ")); myFile.print("********** ");

  }
  else
  {
    char sz[32];
    sprintf(sz, "%02d/%02d/%02d ", d.month(), d.day(), d.year());
    Serial.print(sz);
    sprintf(sz, "%02d/%02d/%02d ", d.month(), d.day(), d.year());
    myFile.print(sz);
  }

  if (!t.isValid())
  {
    Serial.print(F("******** ")); myFile.print("******** ");
  }
  else
  {
    char sz[32];
    sprintf(sz, "%02d:%02d:%02d ", t.hour(), t.minute(), t.second());
    Serial.print(sz);
    sprintf(sz, "%02d:%02d:%02d ", t.hour(), t.minute(), t.second());
    myFile.print(sz);
  }

  printInt(d.age(), d.isValid(), 5);
  smartDelay(0);
 myFile.close();
 }
 else digitalWrite(LED_BUILTIN, LOW);
}

static void printStr(const char *str, int len)
{
 myFile = SD.open("test.txt", FILE_WRITE);
 if (myFile) {
  digitalWrite(LED_BUILTIN, HIGH);
  int slen = strlen(str);
  for (int i=0; i<len; ++i)

  smartDelay(0);
 myFile.close();
 }
 else digitalWrite(LED_BUILTIN, LOW);
}