'use strict';

var closureI18nExtractor = require('../src/closureI18nExtractor.js');
var converter = require('../src/converter.js');
var findLocaleId = closureI18nExtractor.findLocaleId;
var extractNumberSymbols = closureI18nExtractor.extractNumberSymbols;
var extractCurrencySymbols = closureI18nExtractor.extractCurrencySymbols;
var extractDateTimeSymbols = closureI18nExtractor.extractDateTimeSymbols;
var outputLocale = closureI18nExtractor.outputLocale;


function newTestLocaleInfo() {
  return { fr_CA: {
    DATETIME_FORMATS: {
      MONTH: ['janvier', 'février', 'mars', 'avril', 'mai', 'juin', 'juillet', 'août', 'septembre',
        'octobre', 'novembre', 'décembre'],
      STANDALONEMONTH: ['janvier', 'février', 'mars', 'avril', 'mai', 'juin', 'juillet', 'août', 'septembre',
          'octobre', 'novembre', 'décembre'],
      SHORTMONTH: ['janv.', 'févr.', 'mars', 'avr.', 'mai', 'juin', 'juil.', 'août', 'sept.', 'oct.',
        'nov.', 'déc.'],
      DAY: ['dimanche', 'lundi', 'mardi', 'mercredi', 'jeudi', 'vendredi', 'samedi'],
      SHORTDAY: ['dim.', 'lun.', 'mar.', 'mer.', 'jeu.', 'ven.', 'sam.'],
      AMPMS: ['AM', 'PM'],
      medium: 'yyyy-MM-dd HH:mm:ss',
      short: 'yy-MM-dd HH:mm',
      fullDate: 'EEEE d MMMM y',
      longDate: 'd MMMM y',
      mediumDate: 'yyyy-MM-dd',
      shortDate: 'yy-MM-dd',
      mediumTime: 'HH:mm:ss',
      shortTime: 'HH:mm'
    },
    NUMBER_FORMATS: {
      'DECIMAL_SEP': '.',
      'GROUP_SEP': ',',
      'PATTERNS': [{
        'minInt': 1,
        'minFrac': 0,
        'macFrac': 0,
        'posPre': '',
        'posSuf': '',
        'negPre': '-',
        'negSuf': '',
        'gSize': 3,
        'lgSize': 3,
        'maxFrac': 3
      }, {
        'minInt': 1,
        'minFrac': 2,
        'macFrac': 0,
        'posPre': '¤',
        'posSuf': '',
        'negPre': '¤-',
        'negSuf': '',
        'gSize': 3,
        'lgSize': 3,
        'maxFrac': 2
      }],
      'CURRENCY_SYM': '£'
    }}};
}


describe('findLocaleId', function() {
  it('should find the id from numbers', function() {
    expect(findLocaleId('NumberFormatSymbols_en_GB', 'num')).toEqual('en_GB');
  });


  it('should find the id from datetime', function() {
    expect(findLocaleId('DateTimeSymbols_en', 'datetime')).toBe('en');
    expect(findLocaleId('DateTimeSymbols_en_ISO', 'datetime')).toEqual('en_ISO');
  });

  it('should not find localeId if data is missing', function() {
    expect(findLocaleId('', 'num')).toBeUndefined();
    expect(findLocaleId('aa', 'datetime')).toBeUndefined();
    expect(findLocaleId('NumberFormatSymbols_en', 'datetime')).toBeUndefined();
    expect(findLocaleId('DateTimeSymbols_en', 'num')).toBeUndefined();
  });

  it('should throw an error otherwise', function() {
    expect(function() {
      findLocaleId('str', 'otherwise');
    }).toThrowError('unknown type in findLocaleId: otherwise');
  });
});

describe('extractNumberSymbols', function() {
  it('should extract number data', function() {
    var CONTENT = [
      'goog.provide(\'goog.i18n.NumberFormatSymbols_en_GB\');',
      'goog.i18n.NumberFormatSymbols_en_GB = {',
      'DECIMAL_SEP: \'.\',',
      'GROUP_SEP: \',\',',
      'PERCENT: \'%\',',
      'ZERO_DIGIT: \'0\',',
      'PLUS_SIGN: \'+\',',
      'MINUS_SIGN: \'-\',',
      'EXP_SYMBOL: \'E\',',
      'PERMILL: \'\u2030\',',
      'INFINITY: \'\u221E\',',
      'NAN: \'NaN\',',
      'DECIMAL_PATTERN: \'#,##0.###\',',
      'SCIENTIFIC_PATTERN: \'#E0\',',
      'PERCENT_PATTERN: \'#,##0%\',',
      'CURRENCY_PATTERN: \'\u00A4#,##0.00\',',
      'DEF_CURRENCY_CODE: \'GBP\' };'
    ].join('\n');

    var currencySymbols = {'GBP':[2, '£', 'GB£']};

    var expectedNumberFormats = converter.convertNumberData(
        {
          DECIMAL_SEP:'.',
          GROUP_SEP:',',
          DECIMAL_PATTERN:'#,##0.###',
          CURRENCY_PATTERN:'\u00A4#,##0.00',
          DEF_CURRENCY_CODE: 'GBP'
        }, currencySymbols
    );

    var localeInfo = {};
    extractNumberSymbols(CONTENT, localeInfo, currencySymbols);

    expect(localeInfo).toEqual({
      'en_GB': { NUMBER_FORMATS: expectedNumberFormats }
    });
  });
});

describe('extractCurrencySymbols', function() {
  it('should extract currency data', function() {
    var CONTENT = [
      'goog.i18n.currency.CurrencyInfo = {',
      '  \'GBP\':[2, \'£\', \'GB£\'],',
      '};',
      'goog.i18n.currency.CurrencyInfoTier2 = {',
      '  \'AOA\':[2, \'Kz\', \'Kz\'],',
      '};'
    ].join('\n');

    var currencySymbols = extractCurrencySymbols(CONTENT);
    expect(currencySymbols.GBP).toEqual([2, '£', 'GB£']);
    expect(currencySymbols.AOA).toEqual([2, 'Kz', 'Kz']);
    expect(currencySymbols).toEqual({
      'GBP':[2, '£', 'GB£'],
      'AOA':[2, 'Kz', 'Kz']
    });
  });
});


describe('extractDateTimeSymbols', function() {
  it('should extract date time data', function() {
    var CONTENT = [
      'goog.i18n.DateTimeSymbols_fr_CA = {',
      '  ERAS: [\'av. J.-C.\', \'ap. J.-C.\'],',
      '  ERANAMES: [\'avant Jésus-Christ\', \'après Jésus-Christ\'],',
      '  NARROWMONTHS: [\'J\', \'F\', \'M\', \'A\', \'M\', \'J\', \'J\', \'A\', \'S\', \'O\', \'N\', \'D\'],',
      '  STANDALONENARROWMONTHS: [\'J\', \'F\', \'M\', \'A\', \'M\', \'J\', \'J\', \'A\', \'S\', \'O\',',
      '      \'N\', \'D\'],',
      '  MONTHS: [\'janvier\', \'février\', \'mars\', \'avril\', \'mai\', \'juin\', \'juillet\',',
      '      \'août\', \'septembre\', \'octobre\', \'novembre\', \'décembre\'],',
      '  STANDALONEMONTHS: [\'janvier\', \'février\', \'mars\', \'avril\', \'mai\', \'juin\',',
      '      \'juillet\', \'août\', \'septembre\', \'octobre\', \'novembre\', \'décembre\'],',
      '  SHORTMONTHS: [\'janv.\', \'févr.\', \'mars\', \'avr.\', \'mai\', \'juin\', \'juil.\',',
      '      \'août\', \'sept.\', \'oct.\', \'nov.\', \'déc.\'],',
      '  STANDALONESHORTMONTHS: [\'janv.\', \'févr.\', \'mars\', \'avr.\', \'mai\', \'juin\',',
      '      \'juil.\', \'août\', \'sept.\', \'oct.\', \'nov.\', \'déc.\'],',
      '  WEEKDAYS: [\'dimanche\', \'lundi\', \'mardi\', \'mercredi\', \'jeudi\', \'vendredi\',',
      '      \'samedi\'],',
      '  STANDALONEWEEKDAYS: [\'dimanche\', \'lundi\', \'mardi\', \'mercredi\', \'jeudi\',',
      '      \'vendredi\', \'samedi\'],',
      '  SHORTWEEKDAYS: [\'dim.\', \'lun.\', \'mar.\', \'mer.\', \'jeu.\', \'ven.\', \'sam.\'],',
      '  STANDALONESHORTWEEKDAYS: [\'dim.\', \'lun.\', \'mar.\', \'mer.\', \'jeu.\', \'ven.\',',
      '      \'sam.\'],',
      '  NARROWWEEKDAYS: [\'D\', \'L\', \'M\', \'M\', \'J\', \'V\', \'S\'],',
      '  STANDALONENARROWWEEKDAYS: [\'D\', \'L\', \'M\', \'M\', \'J\', \'V\', \'S\'],',
      '  SHORTQUARTERS: [\'T1\', \'T2\', \'T3\', \'T4\'],',
      '  QUARTERS: [\'1er trimestre\', \'2e trimestre\', \'3e trimestre\', \'4e trimestre\'],',
      '  AMPMS: [\'AM\', \'PM\'],',
      '  DATEFORMATS: [\'EEEE d MMMM y\', \'d MMMM y\', \'yyyy-MM-dd\', \'yy-MM-dd\'],',
      '  TIMEFORMATS: [\'HH \\\'h\\\' mm \\\'min\\\' ss \\\'s\\\' zzzz\', \'HH:mm:ss z\',',
      '      \'HH:mm:ss\', \'HH:mm\'],',
      '  FIRSTDAYOFWEEK: 6,',
      '  WEEKENDRANGE: [5, 6],',
      '  FIRSTWEEKCUTOFFDAY: 2',
      '};'
    ].join('\n');
    var localeInfo = {};
    var expectedLocaleInfo = {
        fr_CA: {
            DATETIME_FORMATS: {
                MONTH: ['janvier', 'février', 'mars', 'avril', 'mai', 'juin', 'juillet', 'août', 'septembre',
                    'octobre', 'novembre', 'décembre'],
                STANDALONEMONTH: ['janvier', 'février', 'mars', 'avril', 'mai', 'juin', 'juillet',
                    'août', 'septembre', 'octobre', 'novembre', 'décembre'],
                SHORTMONTH: ['janv.', 'févr.', 'mars', 'avr.', 'mai', 'juin', 'juil.', 'août', 'sept.', 'oct.',
                    'nov.', 'déc.'],
                DAY: ['dimanche', 'lundi', 'mardi', 'mercredi', 'jeudi', 'vendredi', 'samedi'],
                SHORTDAY: ['dim.', 'lun.', 'mar.', 'mer.', 'jeu.', 'ven.', 'sam.'],
                FIRSTDAYOFWEEK: 6,
                WEEKENDRANGE: [5, 6],
                AMPMS: ['AM', 'PM'],
                ERAS: ['av. J.-C.', 'ap. J.-C.'],
                ERANAMES: ['avant Jésus-Christ', 'après Jésus-Christ'],
                medium: 'yyyy-MM-dd HH:mm:ss',
                short: 'yy-MM-dd HH:mm',
                fullDate: 'EEEE d MMMM y',
                longDate: 'd MMMM y',
                mediumDate: 'yyyy-MM-dd',
                shortDate: 'yy-MM-dd',
                mediumTime: 'HH:mm:ss',
                shortTime: 'HH:mm'
            }
          }
        };
    extractDateTimeSymbols(CONTENT, localeInfo);
    expect(localeInfo).toEqual(expectedLocaleInfo);
  });
});

describe('pluralExtractor', function() {
  it('should output PLURAL_CAT in the output string code', function() {
    var content = (
        'goog.provide(\'goog.i18n.pluralRules\');\n' +
        '\n' +
        'goog.i18n.pluralRules.Keyword = {\n' +
        '  ZERO: \'zero\',\n' +
        '  ONE: \'one\',\n' +
        '  TWO: \'two\',\n' +
        '  FEW: \'few\',\n' +
        '  MANY: \'many\',\n' +
        '  OTHER: \'other\'\n' +
        '};\n' +
        '\n' +
        'goog.i18n.pluralRules.frSelect_ = function(n) {\n' +
        '  if (n >= 0 && n < 2) {\n' +
        '    return goog.i18n.pluralRules.Keyword.ONE;\n' +
        '  }\n' +
        '  return goog.i18n.pluralRules.Keyword.OTHER;\n' +
        '};\n' +
        '\n' +
        'if (goog.LOCALE == \'fr\') {\n' +
        '  goog.i18n.pluralRules.select = goog.i18n.pluralRules.frSelect_;\n' +
        '}'
        );
    var localeInfo = newTestLocaleInfo();
    closureI18nExtractor.pluralExtractor(content, localeInfo);
    var pluralCat = localeInfo['fr_CA'].pluralCat;
    expect(pluralCat).toBeDefined();
    // pluralCat is the source text for the pluralCat and contains @@
    // placeholders that need to be stripped before evaluation.
    // Ref: closureI18nExtractor.pluralExtractor.
    pluralCat = pluralCat.replace(/^@@|@@$/g, '');
    // pluralCat requires these constants to exist.
    // eslint-disable-next-line no-unused-vars
    var PLURAL_CATEGORY = {
      ZERO: 'zero', ONE: 'one', TWO: 'two',
      FEW: 'few', MANY: 'many', OTHER: 'other'
      };
    // Obtain the function by evaluating the source text.
    // eslint-disable-next-line no-eval
    pluralCat = eval('(' + pluralCat + ')');
    // Confirm some expectations for pluralCat in fr_CA.
    expect(pluralCat(0)).toEqual('one');
    expect(pluralCat(3)).toEqual('other');
  });
});

describe('serializeContent', function() {
  it('should not make any modifications to the content of the locale', function() {
    var serializedContent = closureI18nExtractor.serializeContent(newTestLocaleInfo());
    // eslint-disable-next-line no-eval
    expect(eval('(' + serializedContent + ')')).toEqual(newTestLocaleInfo());
  });
  it('should only have ascii characters', function() {
    var serializedContent = closureI18nExtractor.serializeContent(newTestLocaleInfo());
    expect((/[^\u0001-\u007f]/).test(serializedContent)).toBe(false);
  });
  it('should not transform arrays into objects', function() {
    var serializedContent = closureI18nExtractor.serializeContent(newTestLocaleInfo().fr_CA);
    // eslint-disable-next-line no-eval
    var deserializedLocale = eval('(' + serializedContent + ')');
    expect(deserializedLocale.DATETIME_FORMATS.MONTH.length).not.toBeUndefined();
  });
});

describe('outputLocale', function() {
  it('should render the correct locale ids', function() {
    var output = outputLocale(newTestLocaleInfo(), 'fr_CA');
    expect(output).toContain('"id": "fr-ca"');
    expect(output).toContain('"localeID": "fr_CA"');
  });
});