"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
Object.defineProperty(exports, "__esModule", { value: true });
var lodash_1 = require("lodash");
var momentLocalesMap = {
    de_DE: 'de',
    en_AU: 'en-au',
    en_US: null,
    en_GB: 'en-gb',
    en_ZZ: 'x-pseudo',
    es_419: 'es',
    es_ES: 'es',
    fr_CA: 'fr-ca',
    fr_FR: 'fr',
    it_IT: 'it',
    ja_JP: 'ja',
    pt_BR: 'pt-br',
    zh_CN: 'zh-cn',
    zh_HK: 'zh-hk',
    zh_TW: 'zh-tw'
};
function trueClone(thing) {
    return lodash_1.cloneDeep(lodash_1.merge({}, thing));
}
function setMomentLocale(moment, locale) {
    moment && moment.locale(momentLocalesMap[locale] || 'en');
}
exports.setMomentLocale = setMomentLocale;
function createStringsLoader(_a) {
    var _this = this;
    var loader = _a.loader, defaultStrings = _a.defaultStrings, moment = _a.moment;
    var defaultStringsClone = trueClone(defaultStrings); // JS Modules cannot be cloned directly because keys are getters
    return function (locale, momentLocale) {
        if (momentLocale === void 0) { momentLocale = locale; }
        return __awaiter(_this, void 0, void 0, function () {
            var newStrings;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, loader(locale)];
                    case 1:
                        newStrings = _a.sent();
                        // loader returns null if locale is default
                        if (!newStrings) {
                            newStrings = defaultStringsClone;
                        }
                        lodash_1.merge(defaultStrings, defaultStringsClone, newStrings);
                        setMomentLocale(moment, momentLocale);
                        return [2 /*return*/, defaultStrings];
                }
            });
        });
    };
}
exports.createStringsLoader = createStringsLoader;
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