datetime.sc

import java.time.Instant
import java.time.LocalDateTime
import java.time.ZoneId
import java.time.ZoneOffset
import java.time.ZonedDateTime
import java.time.format.DateTimeFormatter
import java.util.InputMismatchException
import java.util.Scanner

object datetime {
  def main(args: Array[String]): Unit = {
    try {
      val sc = new Scanner(System.in)
      try {
        var year = 0
        var month = 0
        var day = 0
        var hour = 0
        var minute = 0
        var second = 0
        var millisecond = 0
        var microsecond = 0
        var nanosecond = 0 // initialize date and time variables

        val era1 = DateTimeFormatter.ofPattern(
          "GGG"
        ) // Format the date and time values with a specified pattern for all supported formats

        val era2 = DateTimeFormatter.ofPattern("GGGG")
        val era3 = DateTimeFormatter.ofPattern("GGGGG")
        val year1 = DateTimeFormatter.ofPattern("uu")
        val year2 = DateTimeFormatter.ofPattern("uuuu")
        val yearEra = DateTimeFormatter.ofPattern("yy")
        val yearEra2 = DateTimeFormatter.ofPattern("yyyy")
        val dayOfYear = DateTimeFormatter.ofPattern("D")
        val monthOfYear = DateTimeFormatter.ofPattern("M")
        val monthOfYear2 = DateTimeFormatter.ofPattern("MMM")
        val monthOfYear3 = DateTimeFormatter.ofPattern("MMMM")
        val monthOfYear4 = DateTimeFormatter.ofPattern("MMMMM")
        val dayOfMonth = DateTimeFormatter.ofPattern("d")
        val quarter = DateTimeFormatter.ofPattern("q")
        val quarter2 = DateTimeFormatter.ofPattern("qqq")
        val quarter3 = DateTimeFormatter.ofPattern("qqqq")
        val weekBasedYear = DateTimeFormatter.ofPattern("YY")
        val weekBasedYear2 = DateTimeFormatter.ofPattern("YYYY")
        val weekOfYear = DateTimeFormatter.ofPattern("w")
        val weekOfMonth = DateTimeFormatter.ofPattern("W")
        val dayOfWeek = DateTimeFormatter.ofPattern("E")
        val dayOfWeek2 = DateTimeFormatter.ofPattern("EEEE")
        val dayOfWeek3 = DateTimeFormatter.ofPattern("EEEEE")
        val localDayOfWeek = DateTimeFormatter.ofPattern("e")
        val localDayOfWeek2 = DateTimeFormatter.ofPattern("eee")
        val localDayOfWeek3 = DateTimeFormatter.ofPattern("eeee")
        val localDayOfWeek4 = DateTimeFormatter.ofPattern("eeeee")
        val localWeekOfMonth = DateTimeFormatter.ofPattern("F")
        val amPm = DateTimeFormatter.ofPattern("a")
        val hour12 = DateTimeFormatter.ofPattern("h")
        val hour0To11 = DateTimeFormatter.ofPattern("K")
        val hour24 = DateTimeFormatter.ofPattern("k")
        val hourOfDay = DateTimeFormatter.ofPattern("H")
        val minute1 = DateTimeFormatter.ofPattern("m")
        val second1 = DateTimeFormatter.ofPattern("s")
        val fractionOfSecond = DateTimeFormatter.ofPattern("SSSSSSSSS")
        val millisecondOfDay = DateTimeFormatter.ofPattern("A")
        val nanosecondOfSecond = DateTimeFormatter.ofPattern("n")
        val nanosecondOfDay = DateTimeFormatter.ofPattern("N")
        val timezoneId = DateTimeFormatter.ofPattern("VV")
        val timezoneName = DateTimeFormatter.ofPattern("z")
        val timezoneName2 = DateTimeFormatter.ofPattern("zzzz")
        val timezoneOffset = DateTimeFormatter.ofPattern("OOOO")
        val timezoneOffsetZ = DateTimeFormatter.ofPattern("XXXXX")
        val timezoneOffsetX = DateTimeFormatter.ofPattern("xxxxx")
        val timezoneOffset2 = DateTimeFormatter.ofPattern("ZZZZZ")
        val timezoneOffsetZ1 = DateTimeFormatter.ofPattern("ZZZZ")
        try { // make sure date and time input is a valid integer
          System.out.print("Year: ")
          year = sc.nextInt
          System.out.print("Month: ")
          month = sc.nextInt // 1 is January

          System.out.print("Day: ")
          day = sc.nextInt
          System.out.print("Hour: ")
          hour = sc.nextInt
          System.out.print("Minute: ")
          minute = sc.nextInt
          System.out.print("Second: ")
          second = sc.nextInt
          System.out.print("Millisecond: ")
          millisecond = sc.nextInt
          System.out.print("Microsecond: ")
          microsecond = sc.nextInt
          System.out.print("Nanosecond: ")
          nanosecond = sc.nextInt
          val enteredDateAndTime = LocalDateTime
            .of(year, month, day, hour, minute, second)
            .withNano(
              millisecond * 1000000 + microsecond * 1000 + nanosecond
            ) // Convert datetime of GregorianCalendar object to LocalDateTime object named enteredDateAndTime without a time zone and set nanoseconds to 1,000,000 (1 million) * milliseconds + 1,000 (1 thousand) * microseconds + nanoseconds

          val enteredDateAndTimeTimezone = ZonedDateTime.of(
            enteredDateAndTime,
            ZoneId.systemDefault
          ) // Get time zone of entered date and time values

          // Print the entered date and time values in all supported formats
          System.out.println("\nEntered Date and Time Values:\n")
          System.out.println(
            "Era: " + era1.format(enteredDateAndTime) + " (" + era2.format(
              enteredDateAndTime
            ) + ")" + " (" + era3.format(enteredDateAndTime) + ")"
          ) // Print the date and time values with formatted date and time pattern

          System.out.println(
            "Year: " + year1.format(enteredDateAndTime) + " (" + year2.format(
              enteredDateAndTime
            ) + ")"
          )
          System.out.println(
            "Era Year: " + yearEra.format(enteredDateAndTime) + " (" + yearEra2
              .format(enteredDateAndTime) + ")"
          )
          System.out.println(
            "Day of Year: " + dayOfYear.format(enteredDateAndTime)
          )
          System.out.println(
            "Month of Year: " + monthOfYear.format(
              enteredDateAndTime
            ) + " (" + monthOfYear2.format(
              enteredDateAndTime
            ) + ")" + " (" + monthOfYear3.format(
              enteredDateAndTime
            ) + ")" + " (" + monthOfYear4.format(enteredDateAndTime) + ")"
          )
          System.out.println(
            "Day of the Month: " + dayOfMonth.format(enteredDateAndTime)
          )
          System.out.println(
            "Quarter: " + quarter.format(enteredDateAndTime) + " (" + quarter2
              .format(enteredDateAndTime) + ")" + " (" + quarter3.format(
              enteredDateAndTime
            ) + ")"
          )
          System.out.println(
            "ISO Week-based Year: " + weekBasedYear.format(
              enteredDateAndTime
            ) + " (" + weekBasedYear2.format(enteredDateAndTime) + ")"
          )
          System.out.println(
            "Week of Year: " + weekOfYear.format(enteredDateAndTime)
          )
          System.out.println(
            "Week of Month: " + weekOfMonth.format(enteredDateAndTime)
          )
          System.out.println(
            "Day of the Week: " + dayOfWeek.format(
              enteredDateAndTime
            ) + " (" + dayOfWeek2.format(
              enteredDateAndTime
            ) + ")" + " (" + dayOfWeek3.format(enteredDateAndTime) + ")"
          )
          System.out.println(
            "Local Day of the Week: " + localDayOfWeek.format(
              enteredDateAndTime
            ) + " (" + localDayOfWeek2.format(
              enteredDateAndTime
            ) + ")" + " (" + localDayOfWeek3.format(
              enteredDateAndTime
            ) + ")" + " (" + localDayOfWeek4.format(enteredDateAndTime) + ")"
          )
          System.out.println(
            "Local Week of Month: " + localWeekOfMonth.format(
              enteredDateAndTime
            )
          )
          System.out.println("AM/PM: " + amPm.format(enteredDateAndTime))
          System.out.println(
            "12-Hour Format " + hour12.format(enteredDateAndTime)
          )
          System.out.println(
            "0-11-Hour Format: " + hour0To11.format(enteredDateAndTime)
          )
          System.out.println(
            "24-Hour Format: " + hour24.format(enteredDateAndTime)
          )
          System.out.println(
            "Hour of Day: " + hourOfDay.format(enteredDateAndTime)
          )
          System.out.println("Minute: " + minute1.format(enteredDateAndTime))
          System.out.println("Second: " + second1.format(enteredDateAndTime))
          System.out.println(
            "Fraction of Second: " + fractionOfSecond.format(enteredDateAndTime)
          )
          System.out.println(
            "Millisecond of Day: " + millisecondOfDay.format(enteredDateAndTime)
          )
          System.out.println(
            "Nanosecond: " + nanosecondOfSecond.format(enteredDateAndTime)
          )
          System.out.println(
            "Nanosecond of Day: " + nanosecondOfDay.format(enteredDateAndTime)
          )
          System.out.println(
            "Time Zone ID: " + timezoneId.format(enteredDateAndTimeTimezone)
          )
          System.out.println(
            "Time Zone: " + timezoneName2.format(
              enteredDateAndTimeTimezone
            ) + " (" + timezoneName.format(enteredDateAndTimeTimezone) + ")"
          )
          System.out.println(
            "Localized Time Zone Offset: " + timezoneOffset.format(
              enteredDateAndTimeTimezone
            ) + " (" + timezoneOffset2.format(enteredDateAndTimeTimezone) + ")"
          )
          System.out.println(
            "Time Zone Offset: " + timezoneOffsetZ.format(
              enteredDateAndTimeTimezone
            ) + " (" + timezoneOffsetX.format(
              enteredDateAndTimeTimezone
            ) + ")" + " (" + timezoneOffsetZ1.format(
              enteredDateAndTimeTimezone
            ) + ")"
          )
          System.out.println("\nCurrent Date and Time Values:\n")
        } catch {
          case ex: InputMismatchException =>
            // if entered, date and time values are in the wrong format (not a valid integer)
            System.out.println(
              "\nInvalid date and time input.\nPrinting current date and time.\n"
            ) // print the error

        }
        // Print the current date and time values in all supported formats
        val dateAndTimeNow =
          ZonedDateTime.now // Get the current date and time based on local computer date and time with local time zone

        System.out.println(
          "Current Era: " + era1.format(dateAndTimeNow) + " (" + era2.format(
            dateAndTimeNow
          ) + ")" + " (" + era3.format(dateAndTimeNow) + ")"
        ) // Print the formatted date and time values in current local date and time

        System.out.println(
          "Current Year: " + year1.format(dateAndTimeNow) + " (" + year2.format(
            dateAndTimeNow
          ) + ")"
        )
        System.out.println(
          "Current Era Year: " + yearEra.format(
            dateAndTimeNow
          ) + " (" + yearEra2.format(dateAndTimeNow) + ")"
        )
        System.out.println(
          "Current Day of Year: " + dayOfYear.format(dateAndTimeNow)
        )
        System.out.println(
          "Current Month of Year: " + monthOfYear.format(
            dateAndTimeNow
          ) + " (" + monthOfYear2.format(
            dateAndTimeNow
          ) + ")" + " (" + monthOfYear3.format(
            dateAndTimeNow
          ) + ")" + " (" + monthOfYear4.format(dateAndTimeNow) + ")"
        )
        System.out.println(
          "Current Day of the Month: " + dayOfMonth.format(dateAndTimeNow)
        )
        System.out.println(
          "Current Quarter: " + quarter.format(dateAndTimeNow) + " (" + quarter2
            .format(dateAndTimeNow) + ")" + " (" + quarter3.format(
            dateAndTimeNow
          ) + ")"
        )
        System.out.println(
          "Current ISO Week-based Year: " + weekBasedYear.format(
            dateAndTimeNow
          ) + " (" + weekBasedYear2.format(dateAndTimeNow) + ")"
        )
        System.out.println(
          "Current Week of Year: " + weekOfYear.format(dateAndTimeNow)
        )
        System.out.println(
          "Current Week of Month: " + weekOfMonth.format(dateAndTimeNow)
        )
        System.out.println(
          "Current Day of the Week: " + dayOfWeek.format(
            dateAndTimeNow
          ) + " (" + dayOfWeek2.format(dateAndTimeNow) + ")" + " (" + dayOfWeek3
            .format(dateAndTimeNow) + ")"
        )
        System.out.println(
          "Current Local Day of the Week: " + localDayOfWeek.format(
            dateAndTimeNow
          ) + " (" + localDayOfWeek2.format(
            dateAndTimeNow
          ) + ")" + " (" + localDayOfWeek3.format(
            dateAndTimeNow
          ) + ")" + " (" + localDayOfWeek4.format(dateAndTimeNow) + ")"
        )
        System.out.println(
          "Current Local Week of Month: " + localWeekOfMonth.format(
            dateAndTimeNow
          )
        )
        System.out.println("Current AM/PM: " + amPm.format(dateAndTimeNow))
        System.out.println(
          "Current 12-Hour Format " + hour12.format(dateAndTimeNow)
        )
        System.out.println(
          "Current 0-11 Hour Format: " + hour0To11.format(dateAndTimeNow)
        )
        System.out.println(
          "Current 24-Hour Format: " + hour24.format(dateAndTimeNow)
        )
        System.out.println(
          "Current Hour of Day: " + hourOfDay.format(dateAndTimeNow)
        )
        System.out.println("Current Minute: " + minute1.format(dateAndTimeNow))
        System.out.println("Current Second: " + second1.format(dateAndTimeNow))
        System.out.println(
          "Current Fraction of Second: " + fractionOfSecond.format(
            dateAndTimeNow
          )
        )
        System.out.println(
          "Current Millisecond of Day: " + millisecondOfDay.format(
            dateAndTimeNow
          )
        )
        System.out.println(
          "Current Nanosecond: " + nanosecondOfSecond.format(dateAndTimeNow)
        )
        System.out.println(
          "Current Nanosecond of Day: " + nanosecondOfDay.format(dateAndTimeNow)
        )
        System.out.println(
          "Current Time Zone ID: " + timezoneId.format(dateAndTimeNow)
        )
        System.out.println(
          "Current Time Zone: " + timezoneName2.format(
            dateAndTimeNow
          ) + " (" + timezoneName.format(dateAndTimeNow) + ")"
        )
        System.out.println(
          "Current Localized Time Zone Offset: " + timezoneOffset.format(
            dateAndTimeNow
          ) + " (" + timezoneOffset2.format(dateAndTimeNow) + ")"
        )
        System.out.println(
          "Current Time Zone Offset: " + timezoneOffsetZ.format(
            dateAndTimeNow
          ) + " (" + timezoneOffsetX.format(
            dateAndTimeNow
          ) + ")" + " (" + timezoneOffsetZ1.format(dateAndTimeNow) + ")"
        )
        val currentUtcDateAndTime =
          Instant.now // Get the current UTC date and time using an Instant object

        val utcDateAndTimeNow = LocalDateTime.ofInstant(
          currentUtcDateAndTime,
          ZoneOffset.UTC
        ) // Convert from an Instant object to LocalDateTime object

        System.out.println(
          "Current UTC Era: " + era1.format(utcDateAndTimeNow) + " (" + era2
            .format(utcDateAndTimeNow) + ")" + " (" + era3.format(
            utcDateAndTimeNow
          ) + ")"
        ) // Print the formatted date and time values in current local date and time

        System.out.println(
          "Current UTC Year: " + year1.format(utcDateAndTimeNow) + " (" + year2
            .format(utcDateAndTimeNow) + ")"
        )
        System.out.println(
          "Current UTC Era Year: " + yearEra.format(
            utcDateAndTimeNow
          ) + " (" + yearEra2.format(utcDateAndTimeNow) + ")"
        )
        System.out.println(
          "Current UTC Day of Year: " + dayOfYear.format(utcDateAndTimeNow)
        )
        System.out.println(
          "Current UTC Month of Year: " + monthOfYear.format(
            utcDateAndTimeNow
          ) + " (" + monthOfYear2.format(
            utcDateAndTimeNow
          ) + ")" + " (" + monthOfYear3.format(
            utcDateAndTimeNow
          ) + ")" + " (" + monthOfYear4.format(utcDateAndTimeNow) + ")"
        )
        System.out.println(
          "Current UTC Day of Month: " + dayOfMonth.format(utcDateAndTimeNow)
        )
        System.out.println(
          "Current UTC Quarter: " + quarter.format(
            utcDateAndTimeNow
          ) + " (" + quarter2.format(utcDateAndTimeNow) + ")" + " (" + quarter3
            .format(utcDateAndTimeNow) + ")"
        )
        System.out.println(
          "Current UTC ISO Week-based Year: " + weekBasedYear.format(
            utcDateAndTimeNow
          ) + " (" + weekBasedYear2.format(utcDateAndTimeNow) + ")"
        )
        System.out.println(
          "Current UTC Week of Year: " + weekOfYear.format(utcDateAndTimeNow)
        )
        System.out.println(
          "Current UTC Week of Month: " + weekOfMonth.format(utcDateAndTimeNow)
        )
        System.out.println(
          "Current UTC Day of Week: " + dayOfWeek.format(
            utcDateAndTimeNow
          ) + " (" + dayOfWeek2.format(
            utcDateAndTimeNow
          ) + ")" + " (" + dayOfWeek3.format(utcDateAndTimeNow) + ")"
        )
        System.out.println(
          "Current UTC Local Day of the Week: " + localDayOfWeek.format(
            utcDateAndTimeNow
          ) + " (" + localDayOfWeek2.format(
            utcDateAndTimeNow
          ) + ")" + " (" + localDayOfWeek3.format(
            utcDateAndTimeNow
          ) + ")" + " (" + localDayOfWeek4.format(utcDateAndTimeNow) + ")"
        )
        System.out.println(
          "Current UTC Local Week of Month: " + localWeekOfMonth.format(
            utcDateAndTimeNow
          )
        )
        System.out.println(
          "Current UTC AM/PM: " + amPm.format(utcDateAndTimeNow)
        )
        System.out.println(
          "Current UTC 12-Hour Format " + hour12.format(utcDateAndTimeNow)
        )
        System.out.println(
          "Current UTC 0-11 Hour Format: " + hour0To11.format(utcDateAndTimeNow)
        )
        System.out.println(
          "Current UTC 24-Hour Format: " + hour24.format(utcDateAndTimeNow)
        )
        System.out.println(
          "Current UTC Hour of Day: " + hourOfDay.format(utcDateAndTimeNow)
        )
        System.out.println(
          "Current UTC Minute: " + minute1.format(utcDateAndTimeNow)
        )
        System.out.println(
          "Current UTC Second: " + second1.format(utcDateAndTimeNow)
        )
        System.out.println(
          "Current UTC Fraction of Second: " + fractionOfSecond.format(
            utcDateAndTimeNow
          )
        )
        System.out.println(
          "Current UTC Millisecond of Day: " + millisecondOfDay.format(
            utcDateAndTimeNow
          )
        )
        System.out.println(
          "Current UTC Nanosecond: " + nanosecondOfSecond.format(
            utcDateAndTimeNow
          )
        )
        System.out.println(
          "Current UTC Nanosecond of Day: " + nanosecondOfDay.format(
            utcDateAndTimeNow
          )
        )
      } finally if (sc != null) sc.close()
    }
  }
}