/**
 * @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 { Inject, Injectable, LOCALE_ID } from '@angular/core';
import { getLocalePluralCase, Plural } from './locale_data_api';
import * as i0 from "@angular/core";
/**
 * @publicApi
 */
export class NgLocalization {
}
NgLocalization.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: NgLocalization, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
NgLocalization.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: NgLocalization, providedIn: 'root', useFactory: (locale) => new NgLocaleLocalization(locale), deps: [{ token: LOCALE_ID }] });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: NgLocalization, decorators: [{
            type: Injectable,
            args: [{
                    providedIn: 'root',
                    useFactory: (locale) => new NgLocaleLocalization(locale),
                    deps: [LOCALE_ID],
                }]
        }] });
/**
 * Returns the plural category for a given value.
 * - "=value" when the case exists,
 * - the plural category otherwise
 */
export function getPluralCategory(value, cases, ngLocalization, locale) {
    let key = `=${value}`;
    if (cases.indexOf(key) > -1) {
        return key;
    }
    key = ngLocalization.getPluralCategory(value, locale);
    if (cases.indexOf(key) > -1) {
        return key;
    }
    if (cases.indexOf('other') > -1) {
        return 'other';
    }
    throw new Error(`No plural message found for value "${value}"`);
}
/**
 * Returns the plural case based on the locale
 *
 * @publicApi
 */
export class NgLocaleLocalization extends NgLocalization {
    constructor(locale) {
        super();
        this.locale = locale;
    }
    getPluralCategory(value, locale) {
        const plural = getLocalePluralCase(locale || this.locale)(value);
        switch (plural) {
            case Plural.Zero:
                return 'zero';
            case Plural.One:
                return 'one';
            case Plural.Two:
                return 'two';
            case Plural.Few:
                return 'few';
            case Plural.Many:
                return 'many';
            default:
                return 'other';
        }
    }
}
NgLocaleLocalization.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: NgLocaleLocalization, deps: [{ token: LOCALE_ID }], target: i0.ɵɵFactoryTarget.Injectable });
NgLocaleLocalization.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: NgLocaleLocalization });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: NgLocaleLocalization, decorators: [{
            type: Injectable
        }], ctorParameters: function () { return [{ type: undefined, decorators: [{
                    type: Inject,
                    args: [LOCALE_ID]
                }] }]; } });
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