// this doesn't seem to work at the moment

#include <EncoderButton.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>
#include <Wire.h>
#include "RTClib.h"
#include <TimeLib.h>


#define rot_switch_pin 2
#define  rot_pot1_pin 0 // ext int A rotary encoder pin
#define  rot_pot2_pin 1 // ext int B rotary encoder pin
#define TFT_DC 5
#define TFT_CS 15
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);


EncoderButton eb1(rot_pot1_pin, rot_pot2_pin,rot_switch_pin);
//EncoderButton.begin();

#define myDebug


char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};

RTC_DS1307 rtc;

unsigned long LastUnSyncTime = 0;
time_t lastTime = now();



void setup() {
  pinMode(rot_switch_pin, INPUT_PULLUP);

  tft.begin();
  tft.setRotation(1);

  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(1);
  //Link the event(s) to your function
  eb1.setClickHandler(onEb1Clicked);
  eb1.setEncoderHandler(onEb1Encoder);

  setup_rtc();
}

void loop() {
  eb1.update();
  checkTime();
}

void setup_rtc() {

  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    abort();
  }

  if (! rtc.isrunning()) {
    Serial.println("RTC is NOT running, let's set the time!");
    // When time needs to be set on a new device, or after a power loss, the
    // following line sets the RTC to the date & time this sketch was compiled
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
  }

 // rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));

    DateTime now = rtc.now();
    printDigits(now.day());
    Serial.print('/');
    printDigits(now.month());
    Serial.print('/');
    printDigits(now.year());
    Serial.print(" (");
    Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);
    Serial.print(") ");
    printDigits(now.hour());
    Serial.print(':');
    printDigits(now.minute());
    Serial.print(':');
    printDigits(now.second());
    Serial.println();
}

void checkTime() {

  if ((millis() - LastUnSyncTime) > 10000)
  {
    DateTime now = rtc.now();
    printDigits(now.day());
    Serial.print('/');
    printDigits(now.month());
    Serial.print('/');
    printDigits(now.year());
    Serial.print(" (");
    Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);
    Serial.print(") ");
    printDigits(now.hour());
    Serial.print(':');
    printDigits(now.minute());
    Serial.print(':');
    printDigits(now.second());
    Serial.println();
    LastUnSyncTime = millis();
  }
}

void printDigits(int digits) {
  // utility function for digital clock display: prints preceding colon and leading 0
  //Serial.print(":");
  if (digits < 10)
    Serial.print('0');
  Serial.print(digits, DEC);
}
void onEb1Clicked(EncoderButton& eb) {
  Serial.print("eb1 clickCount: ");
  Serial.println(eb.clickCount());
}
void onEb1Encoder(EncoderButton& eb) {
  Serial.print("eb1 incremented by: ");
  Serial.println(eb.increment());
  Serial.print("eb1 position is: ");
  Serial.println(eb.position());
}