#!/usr/bin/env node
// ==============================================================================
// 江中肝纯片 · 产品复合体 HTML 报告生成器
// 用法：node scripts/tools/gen-compound-liver.js
// 输出：reports/jiangzhong-liver-compound-report.html
// 依赖：
//   - data/jiangzhong-liver-voc.json   （VOC 原始数据）
//   - scripts/tools/voc-analyze.js     （分析层）
//   - scripts/tools/compound-liver-render.js  （渲染层，分批次扩展）
// ==============================================================================
const fs = require('fs');
const path = require('path');

const { analyze } = require('./voc-analyze.js');
const { buildHTML, TOTAL_SLIDES, CHAPTERS } = require('./compound-liver-render.js');

const INPUT = path.join('data', 'jiangzhong-liver-voc.json');
const OUTPUT = path.join('reports', 'jiangzhong-liver-compound-report.html');

function mtimeStr(fp) {
    try {
        const d = new Date(fs.statSync(fp).mtime);
        return d.getFullYear() + '-' + String(d.getMonth() + 1).padStart(2, '0') + '-' + String(d.getDate()).padStart(2, '0');
    } catch { return '—'; }
}

console.log(`╔═══════════════════════════════════════════════════════════╗`);
console.log(`║  江中肝纯片 · 产品复合体 HTML 报告生成                    ║`);
console.log(`╚═══════════════════════════════════════════════════════════╝`);
console.log(`  输入: ${INPUT}`);
console.log(`  输出: ${OUTPUT}`);
console.log(`  章节: ${CHAPTERS.length} 大维度`);
console.log(`  slide 总数: ${TOTAL_SLIDES}`);

if (!fs.existsSync(INPUT)) {
    console.error(`\n  ❌ VOC 数据不存在：${INPUT}`);
    process.exit(1);
}

const t0 = Date.now();
const voc = JSON.parse(fs.readFileSync(INPUT, 'utf-8'));
const A = analyze(voc);
const collectedAt = mtimeStr(INPUT);

const html = buildHTML({ product: '江中肝纯片', A, collectedAt });

fs.mkdirSync(path.dirname(OUTPUT), { recursive: true });
fs.writeFileSync(OUTPUT, html, 'utf-8');

const size = fs.statSync(OUTPUT).size;
const ms = Date.now() - t0;

console.log(`\n  ✅ 生成完成`);
console.log(`     路径: ${OUTPUT}`);
console.log(`     大小: ${(size / 1024).toFixed(1)} KB`);
console.log(`     耗时: ${ms} ms`);
console.log(`     VOC: ${A.metrics.notes} 笔记 / ${A.metrics.sampleComments} 评论 / Amazon ${A.amazon?.total || 0} 款\n`);