#!/usr/bin/env node
// ==============================================================================
// 江中乳酸菌素片儿童版 · VOC 深度洞察报告 v2 生成入口
// 叙事线：王总 5 步分析路径（品类→成人→迁移→交叉→定位→落地）
// ==============================================================================

const fs = require('fs');
const path = require('path');
const { buildHTML, CHAPTERS, CHAPTER_SUBSECTIONS } = require('./lactic-v2-render.js');
const LA = require('./lactic-analyze.js');

const ROOT = path.resolve(__dirname, '..', '..');
const OUT_DIR = path.join(ROOT, 'reports');
const OUT_FILE = path.join(OUT_DIR, 'jiangzhong-lactic-children-voc-insight-report-v2.html');

if (!fs.existsSync(OUT_DIR)) fs.mkdirSync(OUT_DIR, { recursive: true });

const data = LA.loadMerged();
const meta = LA.getMeta(data);

console.log('╔═══════════════════════════════════════════════════════════════╗');
console.log('║   江中乳酸菌素片儿童版 · VOC 深度洞察报告 v2（王总 5 步路径）  ║');
console.log('╚═══════════════════════════════════════════════════════════════╝');
console.log(`  采集阶段: ${meta.stage}`);
console.log(`  输出: ${path.relative(ROOT, OUT_FILE)}`);

const start = Date.now();
const html = buildHTML({
    product: '江中乳酸菌素片儿童版',
    collectedAt: meta.collectedAt,
});
fs.writeFileSync(OUT_FILE, html, 'utf8');
const elapsedMs = Date.now() - start;
const sizeKB = (fs.statSync(OUT_FILE).size / 1024).toFixed(1);

const SLIDES = (html.match(/<section class="report-section"/g) || []).length;
const chNames = CHAPTERS.map(c => c.title).join(' / ');

console.log(`  章节: ${CHAPTERS.length} 大章（${chNames}）`);
console.log(`  slide 总数: ${SLIDES}`);
console.log(`  VOC 数据: ${meta.comments} 条评论 / ${Object.keys(meta.platforms).length} 平台 / ${meta.keywords} 关键词`);
for (const [pf, n] of Object.entries(meta.platforms)) {
    const pfName = { xhs: '小红书', douyin: '抖音', unknown: '未知' }[pf] || pf;
    console.log(`    · ${pfName}: ${n}`);
}
if (Object.keys(meta.hypotheses).length) {
    console.log(`    · 假设覆盖: ${Object.entries(meta.hypotheses).map(([k, v]) => `${k}:${v}`).join(' / ')}`);
}
console.log('  ✅ 生成完成');
console.log(`     路径: ${path.relative(ROOT, OUT_FILE)}`);
console.log(`     大小: ${sizeKB} KB`);
console.log(`     耗时: ${elapsedMs} ms`);