import dayjs from 'dayjs';
import { PluginLunar } from 'dayjs-plugin-lunar';
import type { AlmanacContentItem, DailyAlmanac } from './types';
import { ContentType } from './types';
import { handleDirection } from './utils';
import 'dayjs/locale/zh-cn.js';
dayjs.extend(PluginLunar);
/**
* 获取时辰黄历信息
*/
export function getHourlyAlmanac(date: dayjs.Dayjs): AlmanacContentItem {
const lunarHour = date.toLunarHour();
const sixtyCycle = lunarHour.getSixtyCycle();
const heavenStem = sixtyCycle.getHeavenStem();
const earthBranch = sixtyCycle.getEarthBranch();
return {
[ContentType.宜]: lunarHour.getRecommends().map((item) => item.getName()),
[ContentType.忌]: lunarHour.getAvoids().map((item) => item.getName()),
[ContentType.吉凶]: lunarHour
.getTwelveStar()
.getEcliptic()
.getLuck()
.toString(),
[ContentType.值神]: lunarHour.getTwelveStar().toString(),
[ContentType.五行]: sixtyCycle.getSound().toString(),
[ContentType.冲煞]: `冲${earthBranch.getOpposite().getZodiac()}煞${earthBranch.getOminous()}`,
[ContentType.方位]: [
`喜神${handleDirection(heavenStem.getJoyDirection().toString())}`,
`财神${handleDirection(heavenStem.getWealthDirection().toString())}`,
`福神${handleDirection(heavenStem.getMascotDirection().toString())}`,
],
};
}
/**
* 获取每日黄历信息
*/
export function getDailyAlmanac(
date: dayjs.Dayjs,
includeHours = false,
): DailyAlmanac {
const parsedDate = dayjs(date);
if (!parsedDate.isValid()) {
throw new Error('Invalid date');
}
const lunarDay = parsedDate.toLunarDay();
const solarDay = lunarDay.getSolarDay();
const sixtyCycle = lunarDay.getSixtyCycle();
const earthBranch = sixtyCycle.getEarthBranch();
const twentyEightStar = lunarDay.getTwentyEightStar();
const gods = lunarDay.getGods().reduce(
(acc, god) => {
const category =
god.getLuck().getName() === '吉' ? 'auspicious' : 'inauspicious';
acc[category].push(god.getName());
return acc;
},
{ auspicious: [] as string[], inauspicious: [] as string[] },
);
const result: DailyAlmanac = {
公历: parsedDate.locale('zh-cn').format('YYYY 年 M 月 D日（ddd）'),
农历: parsedDate.format('LY年LMLD'),
节日: lunarDay.getFestival()?.getName(),
节气: solarDay.getTermDay().toString(),
七十二候: solarDay.getPhenologyDay().toString(),
当日: {
[ContentType.宜]: lunarDay.getRecommends().map((item) => item.getName()),
[ContentType.忌]: lunarDay.getAvoids().map((item) => item.getName()),
[ContentType.吉凶]: lunarDay
.getTwelveStar()
.getEcliptic()
.getLuck()
.toString(),
[ContentType.五行]: sixtyCycle.getSound().toString(),
[ContentType.冲煞]: `冲${earthBranch.getOpposite().getZodiac()}煞${earthBranch.getOminous()}`,
[ContentType.值神]: lunarDay.getTwelveStar().toString(),
[ContentType.建除十二神]: lunarDay.getDuty().toString(),
[ContentType.二十八星宿]: `${twentyEightStar}${twentyEightStar.getSevenStar()}${twentyEightStar.getAnimal()}（${twentyEightStar.getLuck()}）`,
[ContentType.吉神宜趋]: gods.auspicious,
[ContentType.凶煞宜忌]: gods.inauspicious,
[ContentType.彭祖百忌]: `${sixtyCycle.getHeavenStem().getPengZuHeavenStem()} ${earthBranch.getPengZuEarthBranch()}`,
},
};
if (includeHours) {
result.分时 = {};
for (let i = 0; i < 12; i++) {
const hour = parsedDate.addLunar(i, 'dual-hour');
result.分时[hour.format('LH')] = getHourlyAlmanac(hour);
}
}
return result;
}