/**
* 사주 계산 정확도 검증 시스템
*/
import type { HeavenlyStem, EarthlyBranch } from '../types/index.js';
import { MANSELYEOK_VERIFICATION, VERIFICATION_TOTAL_COUNT } from '../data/manselyeok_table.js';
import { getHeavenlyStemByIndex } from '../data/heavenly_stems.js';
import { getEarthlyBranchByIndex } from '../data/earthly_branches.js';
export interface ValidationResult {
total: number;
passed: number;
failed: number;
accuracy: number;
failedCases: Array<{
date: string;
expected: { stem: HeavenlyStem; branch: EarthlyBranch };
actual: { stem: HeavenlyStem; branch: EarthlyBranch };
description?: string;
}>;
}
/**
* 일주 계산 정확도 검증
* 만세력 검증 테이블과 비교
*/
export function validateDayPillar(): ValidationResult {
let passed = 0;
const failedCases: ValidationResult['failedCases'] = [];
for (const test of MANSELYEOK_VERIFICATION) {
const date = new Date(test.solarDate);
const result = calculateDayPillarForValidation(date);
if (result.stem === test.expectedDayStem && result.branch === test.expectedDayBranch) {
passed++;
} else {
failedCases.push({
date: test.solarDate,
expected: { stem: test.expectedDayStem, branch: test.expectedDayBranch },
actual: { stem: result.stem, branch: result.branch },
description: test.description,
});
}
}
const failed = VERIFICATION_TOTAL_COUNT - passed;
const accuracy = passed / VERIFICATION_TOTAL_COUNT;
return {
total: VERIFICATION_TOTAL_COUNT,
passed,
failed,
accuracy,
failedCases,
};
}
/**
* 일주 계산 함수 (검증용)
* src/lib/saju.ts의 calculateDayPillar와 동일한 로직
*/
function calculateDayPillarForValidation(date: Date): { stem: HeavenlyStem; branch: EarthlyBranch } {
// 기준일: 1900년 1월 1일 = 병자일 (stemIndex=2, branchIndex=0)
const baseDate = new Date(1900, 0, 1);
const diffDays = Math.floor((date.getTime() - baseDate.getTime()) / (1000 * 60 * 60 * 24));
// 60갑자 순환
// 병(丙) = 2, 자(子) = 0에서 시작
const stemIndex = (2 + diffDays) % 10;
const branchIndex = (0 + diffDays) % 12;
const stem = getHeavenlyStemByIndex(stemIndex);
const branch = getEarthlyBranchByIndex(branchIndex);
return {
stem: stem.korean,
branch: branch.korean,
};
}
/**
* 검증 결과 포맷팅
*/
export function formatValidationResult(result: ValidationResult): string {
const lines: string[] = [];
lines.push(`=== 일주 계산 정확도 검증 결과 ===`);
lines.push(`총 테스트: ${result.total}개`);
lines.push(`통과: ${result.passed}개`);
lines.push(`실패: ${result.failed}개`);
lines.push(`정확도: ${(result.accuracy * 100).toFixed(2)}%`);
lines.push('');
if (result.failedCases.length > 0) {
lines.push(`=== 실패한 케이스 (${result.failedCases.length}개) ===`);
result.failedCases.forEach((failedCase, index) => {
lines.push(`${index + 1}. ${failedCase.date} ${failedCase.description || ''}`);
lines.push(` 예상: ${failedCase.expected.stem}${failedCase.expected.branch}`);
lines.push(` 실제: ${failedCase.actual.stem}${failedCase.actual.branch}`);
});
} else {
lines.push('모든 테스트 통과! ✅');
}
return lines.join('\n');
}
/**
* 검증 실행 및 결과 출력
*/
export function runValidation(): void {
console.log('일주 계산 정확도 검증 시작...\n');
const result = validateDayPillar();
const formattedResult = formatValidationResult(result);
console.log(formattedResult);
console.log('');
// 정확도 목표 달성 여부
const targetAccuracy = 0.98; // 98%
if (result.accuracy >= targetAccuracy) {
console.log(`✅ 목표 정확도 ${targetAccuracy * 100}% 달성! (${(result.accuracy * 100).toFixed(2)}%)`);
} else {
console.log(
`❌ 목표 정확도 미달: ${(result.accuracy * 100).toFixed(2)}% (목표: ${targetAccuracy * 100}%)`
);
console.log(` ${result.failed}개 케이스 수정 필요`);
}
}
