/**
* 일진(日辰) 분석 라이브러리
*
* 매일의 길흉화복 분석
*/
import type {
HeavenlyStem,
EarthlyBranch,
SajuData,
WuXing
} from '../types/index.js';
import {
SIX_HARMONY,
EARTHLY_CONFLICTS,
TWELVE_GODS,
TWELVE_GODS_INFO,
EARTHLY_BRANCHES,
TIME_RANGES,
} from './constants.js';
import { getDayPillar } from './helpers.js';
/**
* 일진 분석 결과
*/
export interface IljinAnalysis {
date: Date;
dayStem: HeavenlyStem;
dayBranch: EarthlyBranch;
dayPillar: string; // 일주
// 일진 등급
rating: '대길일' | '길일' | '평일' | '흉일' | '대흉일';
score: number; // 0-100
// 십이신살 (十二神煞)
twelveGods: {
name: string; // 건(建), 제(除), 만(滿), 평(平), 정(定), 집(執), 파(破), 위(危), 성(成), 수(收), 개(開), 폐(閉)
description: string;
isAuspicious: boolean;
};
// 28수(宿) 길흉
constellation: {
name: string; // 각(角), 항(亢), 저(氐), 방(房), 심(心), 미(尾), 기(箕) 등
element: WuXing;
fortune: string;
};
// 일진과 사주의 관계
relationWithSaju: {
harmony: boolean; // 조화 여부
conflict: boolean; // 충돌 여부
description: string;
};
// 길한 시간대
luckyHours: {
hour: string; // 예: "23:00-01:00 (자시)"
branch: EarthlyBranch;
reason: string;
}[];
// 주의할 시간대
cautiousHours: {
hour: string;
branch: EarthlyBranch;
reason: string;
}[];
// 적합한 활동
suitableActivities: string[];
// 피해야 할 활동
unsuitableActivities: string[];
// 운세 항목별
aspects: {
general: string; // 종합운
career: string; // 사업/직장운
money: string; // 재물운
health: string; // 건강운
relationship: string; // 대인관계운
study: string; // 학업운
travel: string; // 이동/여행운
};
// 특별한 의미
specialMeaning?: {
isSpecialDay: boolean;
reason: string;
};
}
/**
* 일진 분석
*/
export function analyzeIljin(
date: Date,
saju: SajuData
): IljinAnalysis {
// 1. 일주 구하기
const { stem: dayStem, branch: dayBranch } = getDayPillar(date);
const dayPillar = `${dayStem}${dayBranch}`;
// 2. 십이신살 계산
const twelveGods = calculateTwelveGods(date, dayBranch);
// 3. 28수 계산
const constellation = calculateConstellation(date);
// 4. 사주와의 관계
const relationWithSaju = analyzeRelationWithSaju(
dayStem,
dayBranch,
saju
);
// 5. 점수 계산
const score = calculateDayScore(
twelveGods,
constellation,
relationWithSaju
);
// 6. 등급 결정
const rating = determineDayRating(score);
// 7. 길흉 시간대
const luckyHours = findLuckyHours(dayBranch, saju);
const cautiousHours = findCautiousHours(dayBranch, saju);
// 8. 적합한 활동
const suitableActivities = determineSuitableActivities(
twelveGods,
rating,
dayStem
);
const unsuitableActivities = determineUnsuitableActivities(
twelveGods,
rating
);
// 9. 세부 운세
const aspects = analyzeAspects(
dayPillar,
twelveGods,
constellation,
score
);
// 10. 특별한 의미
const specialMeaning = checkSpecialMeaning(date, dayBranch, saju);
return {
date,
dayStem,
dayBranch,
dayPillar,
rating,
score,
twelveGods,
constellation,
relationWithSaju,
luckyHours,
cautiousHours,
suitableActivities,
unsuitableActivities,
aspects,
specialMeaning,
};
}
/**
* 여러 날의 일진 분석
*/
export function analyzeMultipleDays(
startDate: Date,
days: number,
saju: SajuData
): IljinAnalysis[] {
const results: IljinAnalysis[] = [];
for (let i = 0; i < days; i++) {
const date = new Date(startDate);
date.setDate(date.getDate() + i);
results.push(analyzeIljin(date, saju));
}
return results;
}
/**
* 십이신살 계산
*/
function calculateTwelveGods(
date: Date,
dayBranch: EarthlyBranch
): IljinAnalysis['twelveGods'] {
// 월지 기준으로 십이신 결정 (간단화)
const month = date.getMonth(); // 0-11
const monthBranchIndex = (month + 2) % 12; // 1월=인월
const dayBranchIndex = EARTHLY_BRANCHES.indexOf(dayBranch);
const godIndex = (dayBranchIndex - monthBranchIndex + 12) % 12;
const godName = TWELVE_GODS[godIndex] || '건';
const info = TWELVE_GODS_INFO[godName] || { desc: '미상', lucky: true };
return {
name: godName || '건',
description: info.desc,
isAuspicious: info.lucky,
};
}
/**
* 28수 계산
*/
function calculateConstellation(date: Date): IljinAnalysis['constellation'] {
const constellations = [
{ name: '각', element: '목' as WuXing, fortune: '길' },
{ name: '항', element: '금' as WuXing, fortune: '흉' },
{ name: '저', element: '토' as WuXing, fortune: '길' },
{ name: '방', element: '화' as WuXing, fortune: '길' },
{ name: '심', element: '목' as WuXing, fortune: '흉' },
{ name: '미', element: '화' as WuXing, fortune: '길' },
{ name: '기', element: '수' as WuXing, fortune: '길' },
{ name: '두', element: '목' as WuXing, fortune: '길' },
{ name: '우', element: '금' as WuXing, fortune: '흉' },
{ name: '녀', element: '토' as WuXing, fortune: '흉' },
{ name: '허', element: '화' as WuXing, fortune: '흉' },
{ name: '위', element: '목' as WuXing, fortune: '흉' },
{ name: '실', element: '화' as WuXing, fortune: '길' },
{ name: '벽', element: '수' as WuXing, fortune: '길' },
{ name: '규', element: '목' as WuXing, fortune: '길' },
{ name: '루', element: '금' as WuXing, fortune: '흉' },
{ name: '위', element: '토' as WuXing, fortune: '길' },
{ name: '묘', element: '화' as WuXing, fortune: '흉' },
{ name: '필', element: '수' as WuXing, fortune: '길' },
{ name: '자', element: '화' as WuXing, fortune: '길' },
{ name: '삼', element: '수' as WuXing, fortune: '길' },
{ name: '정', element: '목' as WuXing, fortune: '길' },
{ name: '귀', element: '금' as WuXing, fortune: '흉' },
{ name: '유', element: '토' as WuXing, fortune: '길' },
{ name: '성', element: '화' as WuXing, fortune: '흉' },
{ name: '장', element: '목' as WuXing, fortune: '길' },
{ name: '익', element: '화' as WuXing, fortune: '길' },
{ name: '진', element: '수' as WuXing, fortune: '길' },
];
// 날짜로부터 28수 계산 (간단화: 28일 주기)
const daysSinceEpoch = Math.floor(date.getTime() / (1000 * 60 * 60 * 24));
const index = daysSinceEpoch % 28;
return constellations[index] || { name: '각', element: '목', fortune: '길' };
}
/**
* 사주와의 관계 분석
*/
function analyzeRelationWithSaju(
_dayStem: HeavenlyStem,
dayBranch: EarthlyBranch,
saju: SajuData
): IljinAnalysis['relationWithSaju'] {
let harmony = false;
let conflict = false;
let description = '';
// 일지 육합
const sixHarmony: Record<EarthlyBranch, EarthlyBranch> = {
'자': '축', '인': '해', '묘': '술', '진': '유',
'사': '신', '오': '미', '축': '자', '해': '인',
'술': '묘', '유': '진', '신': '사', '미': '오',
};
if (saju.day.branch === sixHarmony[dayBranch]) {
harmony = true;
description = '사주 일지와 육합하여 매우 길한 날';
}
// 일지 충
const conflicts: Record<EarthlyBranch, EarthlyBranch> = {
'자': '오', '축': '미', '인': '신', '묘': '유',
'진': '술', '사': '해', '오': '자', '미': '축',
'신': '인', '유': '묘', '술': '진', '해': '사',
};
if (saju.day.branch === conflicts[dayBranch]) {
conflict = true;
description = '사주 일지와 충하여 주의가 필요한 날';
}
if (!harmony && !conflict) {
description = '사주와 특별한 관계 없이 평범한 날';
}
return { harmony, conflict, description };
}
/**
* 일진 점수 계산
*/
function calculateDayScore(
twelveGods: IljinAnalysis['twelveGods'],
constellation: IljinAnalysis['constellation'],
relation: IljinAnalysis['relationWithSaju']
): number {
let score = 50; // 기본
if (twelveGods.isAuspicious) score += 20;
else score -= 10;
if (constellation.fortune === '길') score += 15;
else score -= 10;
if (relation.harmony) score += 20;
if (relation.conflict) score -= 25;
return Math.min(100, Math.max(0, score));
}
/**
* 등급 결정
*/
function determineDayRating(score: number): IljinAnalysis['rating'] {
if (score >= 85) return '대길일';
if (score >= 65) return '길일';
if (score >= 40) return '평일';
if (score >= 20) return '흉일';
return '대흉일';
}
/**
* 길한 시간대 찾기
*/
function findLuckyHours(
dayBranch: EarthlyBranch,
_saju: SajuData
): IljinAnalysis['luckyHours'] {
const hours: IljinAnalysis['luckyHours'] = [];
EARTHLY_BRANCHES.forEach((branch, i) => {
if (branch === SIX_HARMONY[dayBranch] || _saju.day.branch === SIX_HARMONY[branch]) {
hours.push({
hour: `${TIME_RANGES[i]} (${branch}시)`,
branch,
reason: '일지와 육합',
});
}
});
return hours.slice(0, 3); // 상위 3개
}
/**
* 주의할 시간대 찾기
*/
function findCautiousHours(
dayBranch: EarthlyBranch,
_saju: SajuData
): IljinAnalysis['cautiousHours'] {
const hours: IljinAnalysis['cautiousHours'] = [];
EARTHLY_BRANCHES.forEach((branch, i) => {
if (branch === EARTHLY_CONFLICTS[dayBranch]) {
hours.push({
hour: `${TIME_RANGES[i]} (${branch}시)`,
branch,
reason: '일지와 충',
});
}
});
return hours.slice(0, 2); // 상위 2개
}
/**
* 적합한 활동
*/
function determineSuitableActivities(
twelveGods: IljinAnalysis['twelveGods'],
rating: IljinAnalysis['rating'],
_dayStem: HeavenlyStem
): string[] {
const activities: string[] = [];
const godActivities: Record<string, string[]> = {
'건': ['개업', '창업', '이사', '신축'],
'제': ['청소', '목욕', '치료', '제사'],
'만': ['결혼', '입학', '취직'],
'평': ['일상 업무', '회의', '상담'],
'정': ['혼인', '계약', '매매'],
'집': ['소송 준비', '문서 작성'],
'파': [],
'위': [],
'성': ['개업', '취업', '계약'],
'수': ['거래', '매매', '수금'],
'개': ['개통', '개업', '출행'],
'폐': ['휴식', '마무리', '정리'],
};
const godActivitiesList = godActivities[twelveGods.name];
if (godActivitiesList) {
activities.push(...godActivitiesList);
}
if (rating === '대길일' || rating === '길일') {
activities.push('중요한 결정', '새로운 시작');
}
return activities.length > 0 ? activities : ['일상적인 활동'];
}
/**
* 피해야 할 활동
*/
function determineUnsuitableActivities(
twelveGods: IljinAnalysis['twelveGods'],
rating: IljinAnalysis['rating']
): string[] {
const activities: string[] = [];
if (twelveGods.name === '파') {
activities.push('모든 중요한 일', '혼인', '개업', '이사');
} else if (twelveGods.name === '위') {
activities.push('위험한 일', '고소 위치 작업', '수술');
} else if (twelveGods.name === '집') {
activities.push('싸움', '소송', '대립');
}
if (rating === '흉일' || rating === '대흉일') {
activities.push('큰 계약', '중요한 투자', '수술');
}
return activities.length > 0 ? activities : ['특별히 피할 일 없음'];
}
/**
* 세부 운세 분석
*/
function analyzeAspects(
dayPillar: string,
twelveGods: IljinAnalysis['twelveGods'],
constellation: IljinAnalysis['constellation'],
score: number
): IljinAnalysis['aspects'] {
const level = score >= 70 ? '좋음' : score >= 40 ? '보통' : '주의';
return {
general: `${dayPillar}일, ${twelveGods.name}일로 전반적으로 ${level}`,
career: twelveGods.name === '성' || twelveGods.name === '개' ? '진전 가능' : '안정 유지',
money: twelveGods.name === '수' ? '재물운 상승' : '보통',
health: constellation.fortune === '길' ? '건강 양호' : '건강 주의',
relationship: score >= 60 ? '원만함' : '신중히 대응',
study: twelveGods.name === '평' || twelveGods.name === '정' ? '집중 가능' : '보통',
travel: twelveGods.name === '개' || twelveGods.name === '건' ? '이동 길함' : '주의',
};
}
/**
* 특별한 의미 확인
*/
function checkSpecialMeaning(
date: Date,
dayBranch: EarthlyBranch,
saju: SajuData
): IljinAnalysis['specialMeaning'] {
// 생일
const birthday = new Date(saju.year.stem + saju.month.stem + saju.day.stem);
if (date.getMonth() === birthday.getMonth() && date.getDate() === birthday.getDate()) {
return {
isSpecialDay: true,
reason: '생일 - 새로운 시작과 다짐의 날',
};
}
// 사주 일지와 같은 날
if (dayBranch === saju.day.branch) {
return {
isSpecialDay: true,
reason: '복일(伏日) - 사주 일지와 같은 지지, 특별한 의미',
};
}
return undefined;
}
