#!/usr/bin/env node
/**
 * 从 3 份 VOC JSON 中提炼用于"复合体方向"分析的关键数据
 * - 用户真实原声（Top 评论）
 * - VOC 主题聚类（痛点/亮点/场景）
 * - Amazon 对标（品牌分布 / 价位 / 详细产品成分卖点）
 * - TikTok 关键词 + 作者画像
 * - 市场情报：TT Ads 关键词洞察 + Douyin 热榜
 *
 * 输出到 data/voc-summary-for-product-dev.txt，供后续分析
 */
const fs = require('fs');
const path = require('path');

const { analyze } = require('./voc-analyze.js');

const PRODUCTS = [
    { key: 'liver', label: '江中肝纯片（OTC 保肝片剂）', file: 'jiangzhong-liver-voc.json' },
    { key: 'probiotic', label: '江中儿童乳酸菌片', file: 'jiangzhong-probiotic-voc.json' },
    { key: 'monkey', label: '江中猴姑饼干', file: 'jiangzhong-monkey-voc.json' },
];

function formatList(arr, max = 10) {
    if (!arr || !arr.length) return '（无）';
    return arr.slice(0, max).map((x, i) => `  ${String(i + 1).padStart(2, '0')}. ${x}`).join('\n');
}

function out(s) { buffer.push(s); }
const buffer = [];

for (const p of PRODUCTS) {
    const fp = path.join('data', p.file);
    if (!fs.existsSync(fp)) {
        out(`\n\n========== ${p.label} ========== [JSON 不存在]`);
        continue;
    }
    const voc = JSON.parse(fs.readFileSync(fp, 'utf-8'));
    const A = analyze(voc);

    out(`\n\n${'='.repeat(80)}`);
    out(`【${p.label}】 · ${p.file}`);
    out('='.repeat(80));

    // === 基础规模 ===
    out('\n● 规模:');
    out(`  - ${A.metrics.notes} 篇小红书笔记 · ${A.metrics.sampleComments} 条真实评论 · ${A.kols.length} 位作者画像`);
    out(`  - 点赞 ${A.metrics.totalLikes} · 评论 ${A.metrics.totalComments} · 收藏 ${A.metrics.totalCollected}`);

    // === 核心洞察 ===
    if (A.coreInsights && A.coreInsights.length) {
        out('\n● 三条核心洞察:');
        A.coreInsights.forEach((ins, i) => {
            out(`  ${i + 1}. ${ins.title || ins.headline || ins}`);
            if (ins.body || ins.desc) out(`     ${(ins.body || ins.desc).slice(0, 200)}`);
        });
    }

    // === 用户真实原声（高赞 top 15）===
    if (A.voiceWall && A.voiceWall.length) {
        out(`\n● 用户真实原声 (Top ${Math.min(A.voiceWall.length, 12)}):`);
        A.voiceWall.slice(0, 12).forEach((c, i) => {
            const content = (c.content || c.text || '').replace(/\s+/g, ' ').slice(0, 120);
            out(`  ${String(i + 1).padStart(2, '0')}. [${c.likes || 0}赞] ${content}`);
        });
    }

    // === VOC 主题聚类（痛点/亮点/场景）===
    if (A.themes) {
        const renderTheme = (key, title) => {
            const arr = A.themes[key];
            if (!arr || !arr.length) return;
            out(`\n● ${title}:`);
            arr.slice(0, 10).forEach((t, i) => {
                const label = t.label || t.name || t.theme || '';
                const freq = t.freq || t.count || t.frequency || 0;
                const sample = (t.samples || t.examples || [])[0] || '';
                out(`  ${i + 1}. [${freq}次] ${label}${sample ? ' · 代表原声: ' + String(sample).slice(0, 100) : ''}`);
            });
        };
        renderTheme('painPoints', 'VOC 痛点簇');
        renderTheme('brightSpots', 'VOC 亮点簇');
        renderTheme('scenes', 'VOC 场景簇');
    }

    // === Amazon 对标 ===
    if (A.amazon && !A.amazon.empty) {
        out('\n● Amazon 对标:');
        out(`  - ${A.amazon.keywords?.length || 0} 组英文关键词 × ${A.amazon.total || 0} 款产品`);
        if (A.amazon.topBrands) {
            out(`  - Top 6 品牌:`);
            (A.amazon.topBrands || []).slice(0, 6).forEach((b, i) => {
                out(`      ${i + 1}. ${b.brand || b[0]} · 销量 ${b.sales || b[1] || 0} · 份额 ${b.share ? b.share.toFixed(1) + '%' : '-'}`);
            });
        }
        if (A.amazon.priceBuckets) {
            out(`  - 价位分布:`);
            Object.entries(A.amazon.priceBuckets).forEach(([k, v]) => out(`      ${k}: ${v} 款`));
        }
        // Top 6 产品的详细成分/卖点
        if (A.amazon.detailProducts) {
            out(`  - 深度详情 Top 6:`);
            A.amazon.detailProducts.slice(0, 6).forEach((prod, i) => {
                const title = (prod.title || '').slice(0, 80);
                const brand = prod.brand || '-';
                const price = prod.price || '-';
                const rating = prod.rating || '-';
                const reviews = prod.reviewCount || prod.ratingsCount || 0;
                out(`      ${i + 1}. [${brand}] ${title}`);
                out(`         $${price} · ★${rating} · ${reviews} 评 · BSR ${prod.bsrRank || '-'}`);
            });
        }
        // 品牌机会评估 dossier
        if (A.amazon.dossiers) {
            out(`  - 竞品档案 (dossiers):`);
            A.amazon.dossiers.slice(0, 4).forEach((d, i) => {
                out(`      ${i + 1}. ${d.brand} (${d.positioning}) · 份额 ${d.share?.toFixed(1)}% · 均价 $${d.avgPrice?.toFixed(1)}`);
                if (d.strengths?.length) out(`         优势: ${d.strengths.slice(0, 3).map(s => s.label).join(' / ')}`);
                if (d.gaps?.length) out(`         缝隙: ${d.gaps.slice(0, 3).map(g => g.label).join(' / ')}`);
            });
        }
        // 机会评估
        if (A.amazon.opportunityAssessment) {
            const op = A.amazon.opportunityAssessment;
            out(`  - 品类机会评估: ${op.grade} (${op.totalScore}/${op.maxScore})`);
            if (op.dimensions) {
                op.dimensions.slice(0, 6).forEach((d) => out(`      · ${d.name}: ${d.level} · ${(d.note || '').slice(0, 80)}`));
            }
        }
    }

    // === TikTok ===
    if (A.tiktok && !A.tiktok.empty) {
        out('\n● TikTok 海外内容端:');
        out(`  - 关键词: ${(A.tiktok.keywords || []).join(' / ')}`);
        out(`  - ${A.tiktok.totalVideos || 0} 视频 · ${A.tiktok.totalAuthors || 0} 作者 · ${A.tiktok.totalComments || 0} 评论`);
        if (A.tiktok.topHashtags) {
            out(`  - 高频 hashtag: ${(A.tiktok.topHashtags || []).slice(0, 10).map(h => '#' + (h.tag || h[0])).join(' ')}`);
        }
        if (A.tiktok.topAuthors) {
            out(`  - Top 作者:`);
            (A.tiktok.topAuthors || []).slice(0, 5).forEach((a, i) => {
                out(`      ${i + 1}. ${a.nickname || a.unique_id || '-'} · ${a.follower_count || 0} 粉 · ${a.video_count || 0} 视频`);
            });
        }
    }

    // === Market Intel ===
    if (A.marketIntel && !A.marketIntel.empty) {
        const mi = A.marketIntel;
        out('\n● 市场情报 (TT Ads + Douyin 基线):');
        if (mi.ttAds?.hasData) {
            out(`  - TT Ads 关键词洞察:`);
            (mi.ttAds.keywordInsights || []).slice(0, 5).forEach((ki, i) => {
                out(`      ${i + 1}. "${ki.keyword}"`);
                out(`         · 曝光 ${ki.impression || 0} · CTR ${ki.ctr ? (ki.ctr * 100).toFixed(2) + '%' : '-'} · CVR ${ki.cvr ? (ki.cvr * 100).toFixed(2) + '%' : '-'}`);
                out(`         · posts ${ki.postCount || 0} · 变化 ${ki.postChange ? (ki.postChange > 0 ? '+' : '') + (ki.postChange * 100).toFixed(1) + '%' : '-'}`);
                out(`         · 平均 like ${ki.avgLike || 0} · comment ${ki.avgComment || 0} · share ${ki.avgShare || 0}`);
            });
            if (mi.ttAds.relatedKeywords) {
                out(`  - TT Ads 相关关键词网络 (Top 20):`);
                const rel = mi.ttAds.relatedKeywords.slice(0, 20).map(r => r.keyword || r[0]);
                out(`      ${rel.join(', ')}`);
            }
        }
        if (mi.douyin?.hotWords?.length) {
            out(`  - Douyin 抖音热词 Top 6: ${mi.douyin.hotWords.slice(0, 6).map(w => w.word || w[0]).join(' / ')}`);
        }
        if (mi.douyin?.hotChallenges?.length) {
            out(`  - Douyin 热挑战 Top 5: ${mi.douyin.hotChallenges.slice(0, 5).map(c => c.title || c[0]).join(' / ')}`);
        }
        if (mi.douyin?.categoryFilterHit !== undefined) {
            out(`  - Douyin 品类过滤命中: ${mi.douyin.categoryFilterHit} 条 (${mi.douyin.categoryFilterHit === 0 ? '品牌蓝海' : '有内容沉淀'})`);
        }
    }
}

const outPath = 'data/voc-summary-for-product-dev.txt';
fs.writeFileSync(outPath, buffer.join('\n'), 'utf-8');
console.log(`\n✅ 摘要写入: ${outPath} (${(fs.statSync(outPath).size / 1024).toFixed(1)}KB)`);