/*
 * Copyright 2019 IBM Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
const defaultLocale = 'en_US';
function getLocale() {
    return process.env.LOCALE || (typeof navigator !== 'undefined' && navigator.language);
}
function getLocale2() {
    // protect against navigator.language being undefined
    // https://github.com/IBM/kui/issues/2513
    const locale = getLocale();
    return locale && locale.replace(/-/, '_');
}
export function fromMap(map) {
    return map[getLocale()] || map[getLocale2()] || map[defaultLocale];
}
export default (plugin, namespace = 'resources') => {
    try {
        // eslint-disable-next-line @typescript-eslint/no-var-requires
        const defaultStrings = require(`@kui-shell/${plugin}/i18n/${namespace}_en_US.json`);
        const locale = getLocale();
        const i18n = (locale) => {
            try {
                return locale && require(`@kui-shell/${plugin}/i18n/${namespace}_${locale.replace(/-/, '_')}.json`);
            }
            catch (err) {
                try {
                    return ((locale && require(`@kui-shell/${plugin}/i18n/${namespace}_${locale.replace(/-.*$/, '')}.json`)) ||
                        defaultStrings);
                }
                catch (err) {
                    console.error('Could not find translation for given locale', plugin, locale);
                    return defaultStrings;
                }
            }
        };
        const _strings = i18n(locale);
        return function (key, ...parameters) {
            const str = _strings[key] || defaultStrings[key] || key;
            if (!parameters)
                return str;
            else
                return parameters
                    .map(_ => (_ || '').toString()) // only needed due to https://github.com/microsoft/TypeScript/issues/7014
                    .reduce((str, param, idx) => {
                    // e.g. replace all occurrences of {0} in the str
                    return str.replace(new RegExp(`\\{${idx}\\}`, 'g'), param.toString());
                }, str);
        };
    }
    catch (err) {
        return (x) => x;
    }
};
//# sourceMappingURL=i18n.js.map