function t(t, r) {
    return (t >> r) & 1;
}
module.exports = {
    getLunar: function () {
        var r;
        var a;
        var e;
        var o;
        var h = [268949, 3402, 3493, 133973, 1386, 464219, 605, 2349, 334123, 2709, 2890, 267946, 2773, 592565, 1210, 2651, 395863, 1323, 2707, 265877];
        var c = new Date();
        var f = false;
        var u = c.getYear();
        if (u < 1900) {
            u += 1900;
        }
        var g = 365 * (u - 2001) + Math.floor((u - 2001) / 4) + [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334][c.getMonth()] + c.getDate() - 23;
        for (c.getYear() % 4 == 0 && c.getMonth() > 1 && g++, m = 0; ; m++) {
            for (k = h[m] < 4095 ? 11 : 12, n = k; n >= 0; n--) {
                if (g <= 29 + t(h[m], n)) {
                    f = true;
                    break;
                }
                g = g - 29 - t(h[m], n);
            }
            if (f) {
                break;
            }
        }
        r = 2001 + m;
        a = k - n + 1;
        e = g;
        if (12 == k) {
            if (a == Math.floor(h[m] / 65536) + 1) {
                a = 1 - a;
            }
            if (a > Math.floor(h[m] / 65536) + 1) {
                a--;
            }
        }
        o = Math.floor((c.getHours() + 3) / 2);
        u = '';
        u += '甲乙丙丁戊己庚辛壬癸'.charAt((r - 4) % 10);
        u += '子丑寅卯辰巳午未申酉戌亥'.charAt((r - 4) % 12);
        u += '年(';
        u += '鼠牛虎兔龙蛇马羊猴鸡狗猪'.charAt((r - 4) % 12);
        u += ')   ';
        a < 1 ? ((u += '闰'), (u += '正二三四五六七八九十冬腊'.charAt(-a - 1))) : (u += '正二三四五六七八九十冬腊'.charAt(a - 1));
        u += '月';
        u += e < 11 ? '初' : e < 20 ? '十' : e < 30 ? '廿' : '卅';
        (e % 10 == 0 && 10 != e) || (u += '一二三四五六七八九十'.charAt((e - 1) % 10));
        u += '    ';
        if (13 == o) {
            u += '夜';
        }
        u += '子丑寅卯辰巳午未申酉戌亥'.charAt((o - 1) % 12);
        return (u += '时');
    }
};