var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
import React, { createContext, useContext } from 'react';
import { useRouter } from 'next/router';
import I18nContext from './_context';
import transCore from './transCore';
import useTranslation from './useTranslation';
export var InternalContext = createContext({ ns: {}, config: {} });
export default function I18nProvider(_a) {
    var lng = _a.lang, _b = _a.namespaces, namespaces = _b === void 0 ? {} : _b, children = _a.children, _c = _a.config, newConfig = _c === void 0 ? {} : _c;
    var parentLang = useTranslation().lang;
    var _d = useRouter() || {}, locale = _d.locale, defaultLocale = _d.defaultLocale;
    var internal = useContext(InternalContext);
    var allNamespaces = __assign(__assign(__assign({}, initialBrowserNamespaces()), internal.ns), namespaces);
    var lang = lng || parentLang || locale || defaultLocale || '';
    var config = __assign(__assign({}, internal.config), newConfig);
    var localesToIgnore = config.localesToIgnore || ['default'];
    var ignoreLang = localesToIgnore.includes(lang);
    var pluralRules = new Intl.PluralRules(ignoreLang ? undefined : lang);
    var t = transCore({ config: config, allNamespaces: allNamespaces, pluralRules: pluralRules, lang: lang });
    return (React.createElement(I18nContext.Provider, { value: { lang: lang, t: t } },
        React.createElement(InternalContext.Provider, { value: { ns: allNamespaces, config: config } }, children)));
}
function initialBrowserNamespaces() {
    var _a, _b;
    if (typeof window === 'undefined')
        return {};
    return ((_b = (_a = window.__NEXT_DATA__) === null || _a === void 0 ? void 0 : _a.props) === null || _b === void 0 ? void 0 : _b.__namespaces) || {};
}