/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { ɵfindLocaleData, ɵgetLocaleCurrencyCode, ɵgetLocalePluralCase, ɵLocaleDataIndex } from '@angular/core';
import { CURRENCIES_EN } from './currencies';
/**
 * Format styles that can be used to represent numbers.
 * @see {@link getLocaleNumberFormat}
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export var NumberFormatStyle;
(function (NumberFormatStyle) {
    NumberFormatStyle[NumberFormatStyle["Decimal"] = 0] = "Decimal";
    NumberFormatStyle[NumberFormatStyle["Percent"] = 1] = "Percent";
    NumberFormatStyle[NumberFormatStyle["Currency"] = 2] = "Currency";
    NumberFormatStyle[NumberFormatStyle["Scientific"] = 3] = "Scientific";
})(NumberFormatStyle || (NumberFormatStyle = {}));
/**
 * Plurality cases used for translating plurals to different languages.
 *
 * @see {@link NgPlural}
 * @see {@link NgPluralCase}
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export var Plural;
(function (Plural) {
    Plural[Plural["Zero"] = 0] = "Zero";
    Plural[Plural["One"] = 1] = "One";
    Plural[Plural["Two"] = 2] = "Two";
    Plural[Plural["Few"] = 3] = "Few";
    Plural[Plural["Many"] = 4] = "Many";
    Plural[Plural["Other"] = 5] = "Other";
})(Plural || (Plural = {}));
/**
 * Context-dependant translation forms for strings.
 * Typically the standalone version is for the nominative form of the word,
 * and the format version is used for the genitive case.
 * @see [CLDR website](http://cldr.unicode.org/translation/date-time-1/date-time#TOC-Standalone-vs.-Format-Styles)
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export var FormStyle;
(function (FormStyle) {
    FormStyle[FormStyle["Format"] = 0] = "Format";
    FormStyle[FormStyle["Standalone"] = 1] = "Standalone";
})(FormStyle || (FormStyle = {}));
/**
 * String widths available for translations.
 * The specific character widths are locale-specific.
 * Examples are given for the word "Sunday" in English.
 *
 * @publicApi
 */
export var TranslationWidth;
(function (TranslationWidth) {
    /** 1 character for `en-US`. For example: 'S' */
    TranslationWidth[TranslationWidth["Narrow"] = 0] = "Narrow";
    /** 3 characters for `en-US`. For example: 'Sun' */
    TranslationWidth[TranslationWidth["Abbreviated"] = 1] = "Abbreviated";
    /** Full length for `en-US`. For example: "Sunday" */
    TranslationWidth[TranslationWidth["Wide"] = 2] = "Wide";
    /** 2 characters for `en-US`, For example: "Su" */
    TranslationWidth[TranslationWidth["Short"] = 3] = "Short";
})(TranslationWidth || (TranslationWidth = {}));
/**
 * String widths available for date-time formats.
 * The specific character widths are locale-specific.
 * Examples are given for `en-US`.
 *
 * @see {@link getLocaleDateFormat}
 * @see {@link getLocaleTimeFormat}
 * @see {@link getLocaleDateTimeFormat}
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 * @publicApi
 */
export var FormatWidth;
(function (FormatWidth) {
    /**
     * For `en-US`, 'M/d/yy, h:mm a'`
     * (Example: `6/15/15, 9:03 AM`)
     */
    FormatWidth[FormatWidth["Short"] = 0] = "Short";
    /**
     * For `en-US`, `'MMM d, y, h:mm:ss a'`
     * (Example: `Jun 15, 2015, 9:03:01 AM`)
     */
    FormatWidth[FormatWidth["Medium"] = 1] = "Medium";
    /**
     * For `en-US`, `'MMMM d, y, h:mm:ss a z'`
     * (Example: `June 15, 2015 at 9:03:01 AM GMT+1`)
     */
    FormatWidth[FormatWidth["Long"] = 2] = "Long";
    /**
     * For `en-US`, `'EEEE, MMMM d, y, h:mm:ss a zzzz'`
     * (Example: `Monday, June 15, 2015 at 9:03:01 AM GMT+01:00`)
     */
    FormatWidth[FormatWidth["Full"] = 3] = "Full";
})(FormatWidth || (FormatWidth = {}));
/**
 * Symbols that can be used to replace placeholders in number patterns.
 * Examples are based on `en-US` values.
 *
 * @see {@link getLocaleNumberSymbol}
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export var NumberSymbol;
(function (NumberSymbol) {
    /**
     * Decimal separator.
     * For `en-US`, the dot character.
     * Example: 2,345`.`67
     */
    NumberSymbol[NumberSymbol["Decimal"] = 0] = "Decimal";
    /**
     * Grouping separator, typically for thousands.
     * For `en-US`, the comma character.
     * Example: 2`,`345.67
     */
    NumberSymbol[NumberSymbol["Group"] = 1] = "Group";
    /**
     * List-item separator.
     * Example: "one, two, and three"
     */
    NumberSymbol[NumberSymbol["List"] = 2] = "List";
    /**
     * Sign for percentage (out of 100).
     * Example: 23.4%
     */
    NumberSymbol[NumberSymbol["PercentSign"] = 3] = "PercentSign";
    /**
     * Sign for positive numbers.
     * Example: +23
     */
    NumberSymbol[NumberSymbol["PlusSign"] = 4] = "PlusSign";
    /**
     * Sign for negative numbers.
     * Example: -23
     */
    NumberSymbol[NumberSymbol["MinusSign"] = 5] = "MinusSign";
    /**
     * Computer notation for exponential value (n times a power of 10).
     * Example: 1.2E3
     */
    NumberSymbol[NumberSymbol["Exponential"] = 6] = "Exponential";
    /**
     * Human-readable format of exponential.
     * Example: 1.2x103
     */
    NumberSymbol[NumberSymbol["SuperscriptingExponent"] = 7] = "SuperscriptingExponent";
    /**
     * Sign for permille (out of 1000).
     * Example: 23.4‰
     */
    NumberSymbol[NumberSymbol["PerMille"] = 8] = "PerMille";
    /**
     * Infinity, can be used with plus and minus.
     * Example: ∞, +∞, -∞
     */
    NumberSymbol[NumberSymbol["Infinity"] = 9] = "Infinity";
    /**
     * Not a number.
     * Example: NaN
     */
    NumberSymbol[NumberSymbol["NaN"] = 10] = "NaN";
    /**
     * Symbol used between time units.
     * Example: 10:52
     */
    NumberSymbol[NumberSymbol["TimeSeparator"] = 11] = "TimeSeparator";
    /**
     * Decimal separator for currency values (fallback to `Decimal`).
     * Example: $2,345.67
     */
    NumberSymbol[NumberSymbol["CurrencyDecimal"] = 12] = "CurrencyDecimal";
    /**
     * Group separator for currency values (fallback to `Group`).
     * Example: $2,345.67
     */
    NumberSymbol[NumberSymbol["CurrencyGroup"] = 13] = "CurrencyGroup";
})(NumberSymbol || (NumberSymbol = {}));
/**
 * The value for each day of the week, based on the `en-US` locale
 *
 * @publicApi
 */
export var WeekDay;
(function (WeekDay) {
    WeekDay[WeekDay["Sunday"] = 0] = "Sunday";
    WeekDay[WeekDay["Monday"] = 1] = "Monday";
    WeekDay[WeekDay["Tuesday"] = 2] = "Tuesday";
    WeekDay[WeekDay["Wednesday"] = 3] = "Wednesday";
    WeekDay[WeekDay["Thursday"] = 4] = "Thursday";
    WeekDay[WeekDay["Friday"] = 5] = "Friday";
    WeekDay[WeekDay["Saturday"] = 6] = "Saturday";
})(WeekDay || (WeekDay = {}));
/**
 * Retrieves the locale ID from the currently loaded locale.
 * The loaded locale could be, for example, a global one rather than a regional one.
 * @param locale A locale code, such as `fr-FR`.
 * @returns The locale code. For example, `fr`.
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getLocaleId(locale) {
    return ɵfindLocaleData(locale)[ɵLocaleDataIndex.LocaleId];
}
/**
 * Retrieves day period strings for the given locale.
 *
 * @param locale A locale code for the locale format rules to use.
 * @param formStyle The required grammatical form.
 * @param width The required character width.
 * @returns An array of localized period strings. For example, `[AM, PM]` for `en-US`.
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getLocaleDayPeriods(locale, formStyle, width) {
    const data = ɵfindLocaleData(locale);
    const amPmData = [
        data[ɵLocaleDataIndex.DayPeriodsFormat], data[ɵLocaleDataIndex.DayPeriodsStandalone]
    ];
    const amPm = getLastDefinedValue(amPmData, formStyle);
    return getLastDefinedValue(amPm, width);
}
/**
 * Retrieves days of the week for the given locale, using the Gregorian calendar.
 *
 * @param locale A locale code for the locale format rules to use.
 * @param formStyle The required grammatical form.
 * @param width The required character width.
 * @returns An array of localized name strings.
 * For example,`[Sunday, Monday, ... Saturday]` for `en-US`.
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getLocaleDayNames(locale, formStyle, width) {
    const data = ɵfindLocaleData(locale);
    const daysData = [data[ɵLocaleDataIndex.DaysFormat], data[ɵLocaleDataIndex.DaysStandalone]];
    const days = getLastDefinedValue(daysData, formStyle);
    return getLastDefinedValue(days, width);
}
/**
 * Retrieves months of the year for the given locale, using the Gregorian calendar.
 *
 * @param locale A locale code for the locale format rules to use.
 * @param formStyle The required grammatical form.
 * @param width The required character width.
 * @returns An array of localized name strings.
 * For example,  `[January, February, ...]` for `en-US`.
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getLocaleMonthNames(locale, formStyle, width) {
    const data = ɵfindLocaleData(locale);
    const monthsData = [data[ɵLocaleDataIndex.MonthsFormat], data[ɵLocaleDataIndex.MonthsStandalone]];
    const months = getLastDefinedValue(monthsData, formStyle);
    return getLastDefinedValue(months, width);
}
/**
 * Retrieves Gregorian-calendar eras for the given locale.
 * @param locale A locale code for the locale format rules to use.
 * @param width The required character width.

 * @returns An array of localized era strings.
 * For example, `[AD, BC]` for `en-US`.
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getLocaleEraNames(locale, width) {
    const data = ɵfindLocaleData(locale);
    const erasData = data[ɵLocaleDataIndex.Eras];
    return getLastDefinedValue(erasData, width);
}
/**
 * Retrieves the first day of the week for the given locale.
 *
 * @param locale A locale code for the locale format rules to use.
 * @returns A day index number, using the 0-based week-day index for `en-US`
 * (Sunday = 0, Monday = 1, ...).
 * For example, for `fr-FR`, returns 1 to indicate that the first day is Monday.
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getLocaleFirstDayOfWeek(locale) {
    const data = ɵfindLocaleData(locale);
    return data[ɵLocaleDataIndex.FirstDayOfWeek];
}
/**
 * Range of week days that are considered the week-end for the given locale.
 *
 * @param locale A locale code for the locale format rules to use.
 * @returns The range of day values, `[startDay, endDay]`.
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getLocaleWeekEndRange(locale) {
    const data = ɵfindLocaleData(locale);
    return data[ɵLocaleDataIndex.WeekendRange];
}
/**
 * Retrieves a localized date-value formatting string.
 *
 * @param locale A locale code for the locale format rules to use.
 * @param width The format type.
 * @returns The localized formatting string.
 * @see {@link FormatWidth}
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getLocaleDateFormat(locale, width) {
    const data = ɵfindLocaleData(locale);
    return getLastDefinedValue(data[ɵLocaleDataIndex.DateFormat], width);
}
/**
 * Retrieves a localized time-value formatting string.
 *
 * @param locale A locale code for the locale format rules to use.
 * @param width The format type.
 * @returns The localized formatting string.
 * @see {@link FormatWidth}
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)

 * @publicApi
 */
export function getLocaleTimeFormat(locale, width) {
    const data = ɵfindLocaleData(locale);
    return getLastDefinedValue(data[ɵLocaleDataIndex.TimeFormat], width);
}
/**
 * Retrieves a localized date-time formatting string.
 *
 * @param locale A locale code for the locale format rules to use.
 * @param width The format type.
 * @returns The localized formatting string.
 * @see {@link FormatWidth}
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getLocaleDateTimeFormat(locale, width) {
    const data = ɵfindLocaleData(locale);
    const dateTimeFormatData = data[ɵLocaleDataIndex.DateTimeFormat];
    return getLastDefinedValue(dateTimeFormatData, width);
}
/**
 * Retrieves a localized number symbol that can be used to replace placeholders in number formats.
 * @param locale The locale code.
 * @param symbol The symbol to localize.
 * @returns The character for the localized symbol.
 * @see {@link NumberSymbol}
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getLocaleNumberSymbol(locale, symbol) {
    const data = ɵfindLocaleData(locale);
    const res = data[ɵLocaleDataIndex.NumberSymbols][symbol];
    if (typeof res === 'undefined') {
        if (symbol === NumberSymbol.CurrencyDecimal) {
            return data[ɵLocaleDataIndex.NumberSymbols][NumberSymbol.Decimal];
        }
        else if (symbol === NumberSymbol.CurrencyGroup) {
            return data[ɵLocaleDataIndex.NumberSymbols][NumberSymbol.Group];
        }
    }
    return res;
}
/**
 * Retrieves a number format for a given locale.
 *
 * Numbers are formatted using patterns, like `#,###.00`. For example, the pattern `#,###.00`
 * when used to format the number 12345.678 could result in "12'345,678". That would happen if the
 * grouping separator for your language is an apostrophe, and the decimal separator is a comma.
 *
 * <b>Important:</b> The characters `.` `,` `0` `#` (and others below) are special placeholders
 * that stand for the decimal separator, and so on, and are NOT real characters.
 * You must NOT "translate" the placeholders. For example, don't change `.` to `,` even though in
 * your language the decimal point is written with a comma. The symbols should be replaced by the
 * local equivalents, using the appropriate `NumberSymbol` for your language.
 *
 * Here are the special characters used in number patterns:
 *
 * | Symbol | Meaning |
 * |--------|---------|
 * | . | Replaced automatically by the character used for the decimal point. |
 * | , | Replaced by the "grouping" (thousands) separator. |
 * | 0 | Replaced by a digit (or zero if there aren't enough digits). |
 * | # | Replaced by a digit (or nothing if there aren't enough). |
 * | ¤ | Replaced by a currency symbol, such as $ or USD. |
 * | % | Marks a percent format. The % symbol may change position, but must be retained. |
 * | E | Marks a scientific format. The E symbol may change position, but must be retained. |
 * | ' | Special characters used as literal characters are quoted with ASCII single quotes. |
 *
 * @param locale A locale code for the locale format rules to use.
 * @param type The type of numeric value to be formatted (such as `Decimal` or `Currency`.)
 * @returns The localized format string.
 * @see {@link NumberFormatStyle}
 * @see [CLDR website](http://cldr.unicode.org/translation/number-patterns)
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getLocaleNumberFormat(locale, type) {
    const data = ɵfindLocaleData(locale);
    return data[ɵLocaleDataIndex.NumberFormats][type];
}
/**
 * Retrieves the symbol used to represent the currency for the main country
 * corresponding to a given locale. For example, '$' for `en-US`.
 *
 * @param locale A locale code for the locale format rules to use.
 * @returns The localized symbol character,
 * or `null` if the main country cannot be determined.
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getLocaleCurrencySymbol(locale) {
    const data = ɵfindLocaleData(locale);
    return data[ɵLocaleDataIndex.CurrencySymbol] || null;
}
/**
 * Retrieves the name of the currency for the main country corresponding
 * to a given locale. For example, 'US Dollar' for `en-US`.
 * @param locale A locale code for the locale format rules to use.
 * @returns The currency name,
 * or `null` if the main country cannot be determined.
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getLocaleCurrencyName(locale) {
    const data = ɵfindLocaleData(locale);
    return data[ɵLocaleDataIndex.CurrencyName] || null;
}
/**
 * Retrieves the default currency code for the given locale.
 *
 * The default is defined as the first currency which is still in use.
 *
 * @param locale The code of the locale whose currency code we want.
 * @returns The code of the default currency for the given locale.
 *
 * @publicApi
 */
export function getLocaleCurrencyCode(locale) {
    return ɵgetLocaleCurrencyCode(locale);
}
/**
 * Retrieves the currency values for a given locale.
 * @param locale A locale code for the locale format rules to use.
 * @returns The currency values.
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 */
function getLocaleCurrencies(locale) {
    const data = ɵfindLocaleData(locale);
    return data[ɵLocaleDataIndex.Currencies];
}
/**
 * @alias core/ɵgetLocalePluralCase
 * @publicApi
 */
export const getLocalePluralCase = ɵgetLocalePluralCase;
function checkFullData(data) {
    if (!data[ɵLocaleDataIndex.ExtraData]) {
        throw new Error(`Missing extra locale data for the locale "${data[ɵLocaleDataIndex
            .LocaleId]}". Use "registerLocaleData" to load new data. See the "I18n guide" on angular.io to know more.`);
    }
}
/**
 * Retrieves locale-specific rules used to determine which day period to use
 * when more than one period is defined for a locale.
 *
 * There is a rule for each defined day period. The
 * first rule is applied to the first day period and so on.
 * Fall back to AM/PM when no rules are available.
 *
 * A rule can specify a period as time range, or as a single time value.
 *
 * This functionality is only available when you have loaded the full locale data.
 * See the ["I18n guide"](guide/i18n-common-format-data-locale).
 *
 * @param locale A locale code for the locale format rules to use.
 * @returns The rules for the locale, a single time value or array of *from-time, to-time*,
 * or null if no periods are available.
 *
 * @see {@link getLocaleExtraDayPeriods}
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getLocaleExtraDayPeriodRules(locale) {
    const data = ɵfindLocaleData(locale);
    checkFullData(data);
    const rules = data[ɵLocaleDataIndex.ExtraData][2 /* ɵExtraLocaleDataIndex.ExtraDayPeriodsRules */] || [];
    return rules.map((rule) => {
        if (typeof rule === 'string') {
            return extractTime(rule);
        }
        return [extractTime(rule[0]), extractTime(rule[1])];
    });
}
/**
 * Retrieves locale-specific day periods, which indicate roughly how a day is broken up
 * in different languages.
 * For example, for `en-US`, periods are morning, noon, afternoon, evening, and midnight.
 *
 * This functionality is only available when you have loaded the full locale data.
 * See the ["I18n guide"](guide/i18n-common-format-data-locale).
 *
 * @param locale A locale code for the locale format rules to use.
 * @param formStyle The required grammatical form.
 * @param width The required character width.
 * @returns The translated day-period strings.
 * @see {@link getLocaleExtraDayPeriodRules}
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getLocaleExtraDayPeriods(locale, formStyle, width) {
    const data = ɵfindLocaleData(locale);
    checkFullData(data);
    const dayPeriodsData = [
        data[ɵLocaleDataIndex.ExtraData][0 /* ɵExtraLocaleDataIndex.ExtraDayPeriodFormats */],
        data[ɵLocaleDataIndex.ExtraData][1 /* ɵExtraLocaleDataIndex.ExtraDayPeriodStandalone */]
    ];
    const dayPeriods = getLastDefinedValue(dayPeriodsData, formStyle) || [];
    return getLastDefinedValue(dayPeriods, width) || [];
}
/**
 * Retrieves the writing direction of a specified locale
 * @param locale A locale code for the locale format rules to use.
 * @publicApi
 * @returns 'rtl' or 'ltr'
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 */
export function getLocaleDirection(locale) {
    const data = ɵfindLocaleData(locale);
    return data[ɵLocaleDataIndex.Directionality];
}
/**
 * Retrieves the first value that is defined in an array, going backwards from an index position.
 *
 * To avoid repeating the same data (as when the "format" and "standalone" forms are the same)
 * add the first value to the locale data arrays, and add other values only if they are different.
 *
 * @param data The data array to retrieve from.
 * @param index A 0-based index into the array to start from.
 * @returns The value immediately before the given index position.
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
function getLastDefinedValue(data, index) {
    for (let i = index; i > -1; i--) {
        if (typeof data[i] !== 'undefined') {
            return data[i];
        }
    }
    throw new Error('Locale data API: locale data undefined');
}
/**
 * Extracts the hours and minutes from a string like "15:45"
 */
function extractTime(time) {
    const [h, m] = time.split(':');
    return { hours: +h, minutes: +m };
}
/**
 * Retrieves the currency symbol for a given currency code.
 *
 * For example, for the default `en-US` locale, the code `USD` can
 * be represented by the narrow symbol `$` or the wide symbol `US$`.
 *
 * @param code The currency code.
 * @param format The format, `wide` or `narrow`.
 * @param locale A locale code for the locale format rules to use.
 *
 * @returns The symbol, or the currency code if no symbol is available.
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getCurrencySymbol(code, format, locale = 'en') {
    const currency = getLocaleCurrencies(locale)[code] || CURRENCIES_EN[code] || [];
    const symbolNarrow = currency[1 /* ɵCurrencyIndex.SymbolNarrow */];
    if (format === 'narrow' && typeof symbolNarrow === 'string') {
        return symbolNarrow;
    }
    return currency[0 /* ɵCurrencyIndex.Symbol */] || code;
}
// Most currencies have cents, that's why the default is 2
const DEFAULT_NB_OF_CURRENCY_DIGITS = 2;
/**
 * Reports the number of decimal digits for a given currency.
 * The value depends upon the presence of cents in that particular currency.
 *
 * @param code The currency code.
 * @returns The number of decimal digits, typically 0 or 2.
 * @see [Internationalization (i18n) Guide](/guide/i18n-overview)
 *
 * @publicApi
 */
export function getNumberOfCurrencyDigits(code) {
    let digits;
    const currency = CURRENCIES_EN[code];
    if (currency) {
        digits = currency[2 /* ɵCurrencyIndex.NbOfDigits */];
    }
    return typeof digits === 'number' ? digits : DEFAULT_NB_OF_CURRENCY_DIGITS;
}
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