/*

* 题库 v2 改造脚本：node upgrade.js

* 1) 章节改名 2) 题干去文言腔 3) 解析自动补【白话】【现实】

* 输入 questions.json → 输出 questions_v2.json

*/

'use strict';

const fs = require('fs');

const { PALACES, MODERN_MAP } = require('./palaces.js');

const qs = JSON.parse(fs.readFileSync('./questions/questions.json', 'utf8'));

const CHAPTER_RENAME = {

六宫基础: '六宫入门',

宫位属性: '宫位属性',

断语口诀: '口诀白话',

情景判断: '现代情景'

};

const TOPIC_KEYS = Object.keys(MODERN_MAP);

function detectPalace(text) {

let best = null, bestPos = 1e9;

PALACES.forEach(p => {

const i = text.indexOf(p.name);

if (i >= 0 && i < bestPos) { best = p; bestPos = i; }

});

return best;

}

function detectTopic(text) {

for (const k of TOPIC_KEYS) if (text.includes(k)) return k;

return null;

}

function upgradeStem(stem) {

return stem

.replace(/按传统断语/g, '按传统口诀的说法')

.replace(/传统断语/g, '传统口诀的说法')

.replace(/落(大安|留连|速喜|赤口|小吉|空亡)(?![宫])/g, '落在$1宫')

.replace(/(大安|留连|速喜|赤口|小吉|空亡)诀/g, '$1口诀')

.replace(/句诀/g, '口诀')

.replace(/断语/g, '口诀')

.replace(/起课/g, '掐算');

}

function augmentExplanation(q) {

const full = q.stem + ' ' + q.options.join(' ') + ' ' + (q.explanation || '');

const palace = detectPalace(q.stem);

const topic = detectTopic(full);

const parts = [];

if (palace) {

let line = null;

// 优先匹配题干里引用的口诀原句

for (const l of palace.verseLines) {

if (q.stem.includes(l.line.slice(0, 5))) { line = l; break; }

}

if (!line && topic) line = palace.verseLines.find(l => l.topic === topic);

if (!line) line = palace.verseLines.find(l => l.topic === '总象');

if (line) parts.push('【白话】' + line.line + '——' + line.plain + '。');

}

if (topic) parts.push('【现实】' + topic + '在今天≈' + MODERN_MAP[topic] + '。');

return parts.length ? (q.explanation || '') + ' ' + parts.join(' ') : (q.explanation || '');

}

let renamed = 0, augmented = 0;

const out = qs.map(q => {

const nq = Object.assign({}, q);

if (CHAPTER_RENAME[q.chapter]) { nq.chapter = CHAPTER_RENAME[q.chapter]; renamed++; }

nq.stem = upgradeStem(q.stem);

const before = q.explanation || '';

nq.explanation = augmentExplanation(q);

if (nq.explanation !== before) augmented++;

return nq;

});

fs.writeFileSync('./questions/questions_v2.json', JSON.stringify(out, null, 2), 'utf8');

console.log('总数', out.length, '| 章节改名', renamed, '| 解析增强', augmented);

const byCh = {};

out.forEach(q => byCh[q.chapter] = (byCh[q.chapter] || 0) + 1);

console.log(JSON.stringify(byCh));