// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
library date_symbols;

/// This holds onto information about how a particular locale formats dates. It
/// contains mostly strings, e.g. what the names of months or weekdays are,
/// but also indicates things like the first day of the week. We expect the data
/// for instances of these to be generated out of ICU or a similar reference
/// source. This is used in conjunction with the date_time_patterns, which
/// defines for a particular locale the different named formats that will
/// make use of this data.
class DateSymbols {
  String NAME;
  List<String>
      /// The short name of the era, e.g. 'BC' or 'AD'
      ERAS,
      /// The long name of the era, e.g. 'Before Christ' or 'Anno Domino'
      ERANAMES,
      /// Very short names of months, e.g. 'J'.
      NARROWMONTHS,
      /// Very short names of months as they would be written on their own,
      /// e.g. 'J'.
      STANDALONENARROWMONTHS,
      /// Full names of months, e.g. 'January'.
      MONTHS,
      /// Full names of months as they would be written on their own,
      /// e.g. 'January'.
      ///
      /// These are frequently the same as MONTHS, but for example might start
      /// with upper case where the names in MONTHS might not.
      STANDALONEMONTHS,
      /// Short names of months, e.g. 'Jan'.
      SHORTMONTHS,
      /// Short names of months as they would be written on their own,
      /// e.g. 'Jan'.
      STANDALONESHORTMONTHS,
      /// The days of the week, starting with Sunday.
      WEEKDAYS,
      /// The days of the week as they would be written on their own, starting
      /// with Sunday.
      /// Frequently the same as WEEKDAYS, but for example might
      /// start with upper case where the names in WEEKDAYS might not.
      STANDALONEWEEKDAYS,
      /// Short names for days of the week, starting with Sunday, e.g. 'Sun'.
      SHORTWEEKDAYS,
      /// Short names for days of the week as they would be written on their
      /// own, starting with Sunday, e.g. 'Sun'.
      STANDALONESHORTWEEKDAYS,
      /// Very short names for days of the week, starting with Sunday, e.g. 'S'.
      NARROWWEEKDAYS,
      /// Very short names for days of the week as they would be written on
      /// their own, starting with Sunday, e.g. 'S'.
      STANDALONENARROWWEEKDAYS,
      /// Names of the quarters of the year in a short form, e.g. 'Q1'.
      SHORTQUARTERS,
      /// Long names of the quartesr of the year, e.g. '1st Quarter'.
      QUARTERS,
      /// A list of length 2 with localized text for 'AM' and 'PM'.
      AMPMS,
      /// The supported date formats for this locale.
      DATEFORMATS,
      /// The supported time formats for this locale.
      TIMEFORMATS,
      /// The ways date and time formats can be combined for this locale.
      DATETIMEFORMATS;
  Map<String, String> AVAILABLEFORMATS;
  /// The first day of the week, in ISO 8601 style, where the first day of the
  /// week, i.e. index 0, is Monday.
  int FIRSTDAYOFWEEK;
  /// Which days are weekend days, integers where 0=Monday.
  ///
  /// For example, [5, 6] to mean Saturday and Sunday are weekend days.
  List<int> WEEKENDRANGE;
  int FIRSTWEEKCUTOFFDAY;

  DateSymbols({this.NAME, this.ERAS, this.ERANAMES, this.NARROWMONTHS,
      this.STANDALONENARROWMONTHS, this.MONTHS, this.STANDALONEMONTHS,
      this.SHORTMONTHS, this.STANDALONESHORTMONTHS, this.WEEKDAYS,
      this.STANDALONEWEEKDAYS, this.SHORTWEEKDAYS, this.STANDALONESHORTWEEKDAYS,
      this.NARROWWEEKDAYS, this.STANDALONENARROWWEEKDAYS, this.SHORTQUARTERS,
      this.QUARTERS, this.AMPMS,
      // TODO(alanknight): These formats are taken from Closure,
      // where there's only a fixed set of available formats.
      // Here we have the patterns separately. These should
      // either be used, or removed.
      this.DATEFORMATS, this.TIMEFORMATS, this.AVAILABLEFORMATS,
      this.FIRSTDAYOFWEEK, this.WEEKENDRANGE, this.FIRSTWEEKCUTOFFDAY,
      this.DATETIMEFORMATS});

  // TODO(alanknight): Replace this with use of a more general serialization
  // facility once one is available. Issue 4926.
  DateSymbols.deserializeFromMap(Map map) {
    List<String> _getStringList(String name) => new List<String>.from(map[name]);
    NAME = map["NAME"];
    ERAS = _getStringList("ERAS");
    ERANAMES = _getStringList("ERANAMES");
    NARROWMONTHS = _getStringList("NARROWMONTHS");
    STANDALONENARROWMONTHS = _getStringList("STANDALONENARROWMONTHS");
    MONTHS = _getStringList("MONTHS");
    STANDALONEMONTHS = _getStringList("STANDALONEMONTHS");
    SHORTMONTHS = _getStringList("SHORTMONTHS");
    STANDALONESHORTMONTHS = _getStringList("STANDALONESHORTMONTHS");
    WEEKDAYS = _getStringList("WEEKDAYS");
    STANDALONEWEEKDAYS = _getStringList("STANDALONEWEEKDAYS");
    SHORTWEEKDAYS = _getStringList("SHORTWEEKDAYS");
    STANDALONESHORTWEEKDAYS = _getStringList("STANDALONESHORTWEEKDAYS");
    NARROWWEEKDAYS = _getStringList("NARROWWEEKDAYS");
    STANDALONENARROWWEEKDAYS = _getStringList("STANDALONENARROWWEEKDAYS");
    SHORTQUARTERS = _getStringList("SHORTQUARTERS");
    QUARTERS = _getStringList("QUARTERS");
    AMPMS = _getStringList("AMPMS");
    DATEFORMATS = _getStringList("DATEFORMATS");
    TIMEFORMATS = _getStringList("TIMEFORMATS");
    AVAILABLEFORMATS = new Map<String, String>.from(map["AVAILABLEFORMATS"] ?? {});
    FIRSTDAYOFWEEK = map["FIRSTDAYOFWEEK"];
    WEEKENDRANGE = new List<int>.from(map["WEEKENDRANGE"]);
    FIRSTWEEKCUTOFFDAY = map["FIRSTWEEKCUTOFFDAY"];
    DATETIMEFORMATS = _getStringList("DATETIMEFORMATS");
  }

  Map serializeToMap() => {
    "NAME": NAME,
    "ERAS": ERAS,
    "ERANAMES": ERANAMES,
    "NARROWMONTHS": NARROWMONTHS,
    "STANDALONENARROWMONTHS": STANDALONENARROWMONTHS,
    "MONTHS": MONTHS,
    "STANDALONEMONTHS": STANDALONEMONTHS,
    "SHORTMONTHS": SHORTMONTHS,
    "STANDALONESHORTMONTHS": STANDALONESHORTMONTHS,
    "WEEKDAYS": WEEKDAYS,
    "STANDALONEWEEKDAYS": STANDALONEWEEKDAYS,
    "SHORTWEEKDAYS": SHORTWEEKDAYS,
    "STANDALONESHORTWEEKDAYS": STANDALONESHORTWEEKDAYS,
    "NARROWWEEKDAYS": NARROWWEEKDAYS,
    "STANDALONENARROWWEEKDAYS": STANDALONENARROWWEEKDAYS,
    "SHORTQUARTERS": SHORTQUARTERS,
    "QUARTERS": QUARTERS,
    "AMPMS": AMPMS,
    "DATEFORMATS": DATEFORMATS,
    "TIMEFORMATS": TIMEFORMATS,
    "AVAILABLEFORMATS": AVAILABLEFORMATS,
    "FIRSTDAYOFWEEK": FIRSTDAYOFWEEK,
    "WEEKENDRANGE": WEEKENDRANGE,
    "FIRSTWEEKCUTOFFDAY": FIRSTWEEKCUTOFFDAY,
    "DATETIMEFORMATS": DATETIMEFORMATS,
  };

  toString() => NAME;
}

/// We hard-code the locale data for en_US here so that there's at least one
/// locale always available.
var en_USSymbols = new DateSymbols(
    NAME: "en_US",
    ERAS: const ['BC', 'AD'],
    ERANAMES: const ['Before Christ', 'Anno Domini'],
    NARROWMONTHS: const [
  'J',
  'F',
  'M',
  'A',
  'M',
  'J',
  'J',
  'A',
  'S',
  'O',
  'N',
  'D'
],
    STANDALONENARROWMONTHS: const [
  'J',
  'F',
  'M',
  'A',
  'M',
  'J',
  'J',
  'A',
  'S',
  'O',
  'N',
  'D'
],
    MONTHS: const [
  'January',
  'February',
  'March',
  'April',
  'May',
  'June',
  'July',
  'August',
  'September',
  'October',
  'November',
  'December'
],
    STANDALONEMONTHS: const [
  'January',
  'February',
  'March',
  'April',
  'May',
  'June',
  'July',
  'August',
  'September',
  'October',
  'November',
  'December'
],
    SHORTMONTHS: const [
  'Jan',
  'Feb',
  'Mar',
  'Apr',
  'May',
  'Jun',
  'Jul',
  'Aug',
  'Sep',
  'Oct',
  'Nov',
  'Dec'
],
    STANDALONESHORTMONTHS: const [
  'Jan',
  'Feb',
  'Mar',
  'Apr',
  'May',
  'Jun',
  'Jul',
  'Aug',
  'Sep',
  'Oct',
  'Nov',
  'Dec'
],
    WEEKDAYS: const [
  'Sunday',
  'Monday',
  'Tuesday',
  'Wednesday',
  'Thursday',
  'Friday',
  'Saturday'
],
    STANDALONEWEEKDAYS: const [
  'Sunday',
  'Monday',
  'Tuesday',
  'Wednesday',
  'Thursday',
  'Friday',
  'Saturday'
],
    SHORTWEEKDAYS: const ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
    STANDALONESHORTWEEKDAYS: const [
  'Sun',
  'Mon',
  'Tue',
  'Wed',
  'Thu',
  'Fri',
  'Sat'
],
    NARROWWEEKDAYS: const ['S', 'M', 'T', 'W', 'T', 'F', 'S'],
    STANDALONENARROWWEEKDAYS: const ['S', 'M', 'T', 'W', 'T', 'F', 'S'],
    SHORTQUARTERS: const ['Q1', 'Q2', 'Q3', 'Q4'],
    QUARTERS: const [
  '1st quarter',
  '2nd quarter',
  '3rd quarter',
  '4th quarter'
],
    AMPMS: const ['AM', 'PM'],
    DATEFORMATS: const ['EEEE, MMMM d, y', 'MMMM d, y', 'MMM d, y', 'M/d/yy'],
    TIMEFORMATS: const ['h:mm:ss a zzzz', 'h:mm:ss a z', 'h:mm:ss a', 'h:mm a'],
    FIRSTDAYOFWEEK: 6,
    WEEKENDRANGE: const [5, 6],
    FIRSTWEEKCUTOFFDAY: 5,
    DATETIMEFORMATS: const [
  '{1} \'at\' {0}',
  '{1} \'at\' {0}',
  '{1}, {0}',
  '{1}, {0}'
]);

var en_USPatterns = const {
  'd': 'd', // DAY
  'E': 'EEE', // ABBR_WEEKDAY
  'EEEE': 'EEEE', // WEEKDAY
  'LLL': 'LLL', // ABBR_STANDALONE_MONTH
  'LLLL': 'LLLL', // STANDALONE_MONTH
  'M': 'L', // NUM_MONTH
  'Md': 'M/d', // NUM_MONTH_DAY
  'MEd': 'EEE, M/d', // NUM_MONTH_WEEKDAY_DAY
  'MMM': 'LLL', // ABBR_MONTH
  'MMMd': 'MMM d', // ABBR_MONTH_DAY
  'MMMEd': 'EEE, MMM d', // ABBR_MONTH_WEEKDAY_DAY
  'MMMM': 'LLLL', // MONTH
  'MMMMd': 'MMMM d', // MONTH_DAY
  'MMMMEEEEd': 'EEEE, MMMM d', // MONTH_WEEKDAY_DAY
  'QQQ': 'QQQ', // ABBR_QUARTER
  'QQQQ': 'QQQQ', // QUARTER
  'y': 'y', // YEAR
  'yM': 'M/y', // YEAR_NUM_MONTH
  'yMd': 'M/d/y', // YEAR_NUM_MONTH_DAY
  'yMEd': 'EEE, M/d/y', // YEAR_NUM_MONTH_WEEKDAY_DAY
  'yMMM': 'MMM y', // YEAR_ABBR_MONTH
  'yMMMd': 'MMM d, y', // YEAR_ABBR_MONTH_DAY
  'yMMMEd': 'EEE, MMM d, y', // YEAR_ABBR_MONTH_WEEKDAY_DAY
  'yMMMM': 'MMMM y', // YEAR_MONTH
  'yMMMMd': 'MMMM d, y', // YEAR_MONTH_DAY
  'yMMMMEEEEd': 'EEEE, MMMM d, y', // YEAR_MONTH_WEEKDAY_DAY
  'yQQQ': 'QQQ y', // YEAR_ABBR_QUARTER
  'yQQQQ': 'QQQQ y', // YEAR_QUARTER
  'H': 'HH', // HOUR24
  'Hm': 'HH:mm', // HOUR24_MINUTE
  'Hms': 'HH:mm:ss', // HOUR24_MINUTE_SECOND
  'j': 'h a', // HOUR
  'jm': 'h:mm a', // HOUR_MINUTE
  'jms': 'h:mm:ss a', // HOUR_MINUTE_SECOND
  'jmv': 'h:mm a v', // HOUR_MINUTE_GENERIC_TZ
  'jmz': 'h:mm a z', // HOUR_MINUTETZ
  'jz': 'h a z', // HOURGENERIC_TZ
  'm': 'm', // MINUTE
  'ms': 'mm:ss', // MINUTE_SECOND
  's': 's', // SECOND
  'v': 'v', // ABBR_GENERIC_TZ
  'z': 'z', // ABBR_SPECIFIC_TZ
  'zzzz': 'zzzz', // SPECIFIC_TZ
  'ZZZZ': 'ZZZZ' // ABBR_UTC_TZ
};