// SPDX-License-Identifier: Apache-2.0
// Copyright (c) 2012-2024 Scott Penrose <scottp@dd.com.au> and WII5 Buoy contributors
//
// This file is part of WII5 Buoy firmware.
// See LICENSE for full terms.

/**
 * @file WII5RTC.cpp
 * @brief Real-time clock helper.
 */

/*

WII5RTC -

*/

#include <Arduino.h>
#include <WII5RTC.h>
#include <Wire.h>
#include "RTClib.h"
RTC_DS3231 rtc;

uint32_t syncProvider() {
  return rtc.now().unixtime();
}

void WII5RTC::begin() {
  if (! rtc.begin()) {
    SerialConsole.println("RTC: Couldn't find RTC");
  }

  // TODO Do the lost power thing

  // Then connect to GPS

  console.printf(F("RTC: startup date time from RTC="));
  console.printDateTime(rtc.now().unixtime());
  console.printNewLine();

  setSyncProvider(syncProvider);   // the function to get the time from the RTC
  if(timeStatus() != timeSet)
    SerialConsole.println("RTC: Unable to sync with the RTC");
  else
    SerialConsole.println("RTC: has set the system time");
}

/*

What type of device
Whuihc Library
Can they suse SPI or I2c or, writred wrong?

What are the pins

*/

float WII5RTC::getTemperature() {
  return rtc.getTemperature();
}

void WII5RTC::setRTC(uint32_t t) {
	if (t == 0) {
		t = now();
	}
  rtc.adjust(t);
  console.log(LOG_INFO, F("RTC: Adjusted to new time provided"));
  console.printf(F("# TimeSet="));
  console.printDateTime(t);
  console.printf(F(" RTC="));
  console.printDateTime(rtc.now().unixtime());
  console.printNewLine();
}

void WII5RTC::test() {

  // TODO Move to Strings for space
  char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};

  // TODO Move this code into begin !
  if (rtc.lostPower()) {
    SerialConsole.println(F("RTC lost power, lets set the time!"));
    // following line sets the RTC to the date & time this sketch was compiled
    // rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // Fixed date temporary
    rtc.adjust(1483268462);
    // TODO Log this !
  }

  elapsedMillis doIt = 0;

  while (doIt < 15000) {
    DateTime nowrtc = rtc.now();
    time_t nowsys = now();

    // System vs RTC
    SerialConsole.print(F("# UnixTimeStamp System = "));
    SerialConsole.print(nowsys);
    SerialConsole.print(F(" RTC = "));
    SerialConsole.print(nowrtc.unixtime());
    SerialConsole.println();

    SerialConsole.print(nowrtc.year(), DEC);
    SerialConsole.print('/');
    SerialConsole.print(nowrtc.month(), DEC);
    SerialConsole.print('/');
    SerialConsole.print(nowrtc.day(), DEC);
    SerialConsole.print(" (");
    SerialConsole.print(daysOfTheWeek[nowrtc.dayOfTheWeek()]);
    SerialConsole.print(") ");
    SerialConsole.print(nowrtc.hour(), DEC);
    SerialConsole.print(':');
    SerialConsole.print(nowrtc.minute(), DEC);
    SerialConsole.print(':');
    SerialConsole.print(nowrtc.second(), DEC);
    SerialConsole.println();

    SerialConsole.print(F(" since midnight 1/1/1970 = "));
    SerialConsole.print(nowrtc.unixtime());
    SerialConsole.print("s = ");
    SerialConsole.print(nowrtc.unixtime() / 86400L);
    SerialConsole.println("d");

    // calculate a date which is 7 days and 30 seconds into the future
    DateTime future (nowrtc + TimeSpan(7,12,30,6));

    SerialConsole.print(F(" now + 7d + 30s: "));
    SerialConsole.print(future.year(), DEC);
    SerialConsole.print('/');
    SerialConsole.print(future.month(), DEC);
    SerialConsole.print('/');
    SerialConsole.print(future.day(), DEC);
    SerialConsole.print(' ');
    SerialConsole.print(future.hour(), DEC);
    SerialConsole.print(':');
    SerialConsole.print(future.minute(), DEC);
    SerialConsole.print(':');
    SerialConsole.print(future.second(), DEC);
    SerialConsole.println();

    SerialConsole.println();
    delay(1000);
  }
  SerialConsole.println(F("End of test"));
}

WII5RTC wii5RTC;