import defaultParsingFlags from ‘./default-parsing-flags’; import isArray from ‘../utils/is-array’; import isDate from ‘../utils/is-date’; import map from ‘../utils/map’; import { createInvalid } from ‘./valid’; import { Moment, isMoment } from ‘../moment/constructor’; import { getLocale } from ‘../locale/locales’; import { hooks } from ‘../utils/hooks’; import checkOverflow from ‘./check-overflow’;

import { configFromStringAndArray } from ‘./from-string-and-array’; import { configFromStringAndFormat } from ‘./from-string-and-format’; import { configFromString } from ‘./from-string’; import { configFromArray } from ‘./from-array’; import { configFromObject } from ‘./from-object’;

function createFromConfig (config) {

var input = config._i,
    format = config._f,
    res;

config._locale = config._locale || getLocale(config._l);

if (input === null || (format === undefined && input === '')) {
    return createInvalid({nullInput: true});
}

if (typeof input === 'string') {
    config._i = input = config._locale.preparse(input);
}

if (isMoment(input)) {
    return new Moment(checkOverflow(input));
} else if (isArray(format)) {
    configFromStringAndArray(config);
} else if (format) {
    configFromStringAndFormat(config);
} else {
    configFromInput(config);
}

res = new Moment(checkOverflow(config));
if (res._nextDay) {
    // Adding is smart enough around DST
    res.add(1, 'd');
    res._nextDay = undefined;
}

return res;

}

function configFromInput(config) {

var input = config._i;
if (input === undefined) {
    config._d = new Date();
} else if (isDate(input)) {
    config._d = new Date(+input);
} else if (typeof input === 'string') {
    configFromString(config);
} else if (isArray(input)) {
    config._a = map(input.slice(0), function (obj) {
        return parseInt(obj, 10);
    });
    configFromArray(config);
} else if (typeof(input) === 'object') {
    configFromObject(config);
} else if (typeof(input) === 'number') {
    // from milliseconds
    config._d = new Date(input);
} else {
    hooks.createFromInputFallback(config);
}

}

export function createLocalOrUTC (input, format, locale, strict, isUTC) {

var c = {};

if (typeof(locale) === 'boolean') {
    strict = locale;
    locale = undefined;
}
// object construction must be done this way.
// https://github.com/moment/moment/issues/1423
c._isAMomentObject = true;
c._useUTC = c._isUTC = isUTC;
c._l = locale;
c._i = input;
c._f = format;
c._strict = strict;
c._pf = defaultParsingFlags();

return createFromConfig(c);

}