// ==============================================================================
// 肝纯片 v2 · Ch2 竞品正反面 · 全面分析（会议 req C）
// ==============================================================================
// 2.1 6 大竞品正反面全景（优点+缺点）
// 2.2 竞品差评痛点 → 肝纯片机会窗口
// 2.3 三轴定位图谱 · 肝纯片无人地带
// ==============================================================================

const LA = require('./liver-analyze.js');
const C = require('./liver-components.js');
const { BRAND, esc, renderSectionHead, renderVocCard, renderVocGrid,
        renderStatStrip, renderMatrix2x2, renderCompareTable, renderInsightHero,
        renderFindingCard, renderDecisionList, isEnglish, getTranslation, LIVER_CONTEXT_RE } = C;

// ============================================================
// 2.1 6 大竞品正反面（从 VOC 提取真实好评/差评）
// ============================================================
function renderSub1({ chapter: c, subIdx, sub, slideNum, slideTotal, data, meta }) {
    const items = data?.items || [];

    // 正面/负面内容匹配模式（因 sentiment 推断偏弱，用内容 regex 补充）
    // negRe 增加中文否定句式：不怎么管用/不太好/不太行
    const negRe = /没有?用(?!过)|没效|没感觉|no effect|didn.?t work|副作用|拉肚子|胃不舒服|难吃|太贵|智商税|骗|坑|差评|上当|头晕|不降反升|不推荐|难受|不怎么管用|不太好用|不太行|不管用|不好用|无效|过敏|side.?effect|stomach|伤肝|别吃/i;
    const posRe = /有效|管用|好用|推荐|不错|下来了|降了|好转|有用的|真有用|确实有用|效果好|缓解|改善|靠谱|信赖|放心|好评|好转|值得/i;

    const competitors = [
        { name: 'Swisse 护肝片',  product: 'Swisse 护肝片',  color: '#003087', seed: 201,
          alsoMatch: /swisse|澳洲护肝|澳佳宝/i },
        { name: '易善复',          product: '易善复',          color: '#1A5276', seed: 202,
          alsoMatch: /易善复|多烯磷脂酰胆碱|磷脂/i },
        { name: '葵花护肝片',      product: '葵花护肝片',      color: '#F39C12', seed: 203,
          alsoMatch: /葵花|护肝片.*葵花/i },
        { name: '片仔癀',          product: '片仔癀护肝',      color: '#C0392B', seed: 204,
          alsoMatch: /片仔癀/i },
        { name: '海王金樽',        product: '海王金樽',        color: '#2E86C1', seed: 205,
          alsoMatch: /海王|金樽|解酒液/i },
        { name: '水飞蓟/奶蓟草',   product: '水飞蓟成分',      color: '#6C3483', seed: 206,
          alsoMatch: /水飞蓟|奶蓟|silymarin|milk thistle/i },
    ];

    // 为每个竞品从 VOC 中提取正面和负面原声
    const cpData = competitors.map(cp => {
        // 匹配该竞品的所有 VOC（内容必须同时提到护肝相关语境，排除片仔癀牙痛/皮肤等无关帖）
        const cpItems = items.filter(it => {
            const matched = (it.product || '') === cp.product || cp.alsoMatch.test(`${it.content || ''} ${it.keyword || ''}`);
            if (!matched) return false;
            return LIVER_CONTEXT_RE.test(it.content || '');
        });
        // 按内容 regex 分正负面
        const posItems = cpItems.filter(it => posRe.test(it.content || '') && !negRe.test(it.content || ''));
        const negItems = cpItems.filter(it => negRe.test(it.content || ''));
        // 取代表性原声（cpItems 已经通过 cp.alsoMatch + LIVER_CONTEXT_RE 双重过滤，不再重复 contentMatch）
        const posEvidence = LA.getEvidence(posItems, { top: 2, seed: cp.seed, minChars: 15 });
        const negEvidence = LA.getEvidence(negItems, { top: 2, seed: cp.seed + 50, minChars: 15 });
        return { ...cp, total: cpItems.length, posCount: posItems.length, negCount: negItems.length, posEvidence, negEvidence };
    });

    return `<section class="report-section" id="${c.key}-${subIdx}" data-tone="${c.tone}" data-slide-num="${slideNum}/${slideTotal}">
  <div class="section-inner">
    ${renderSectionHead({
        eyebrow: `${c.num}.${subIdx} · COMPETITOR PROS & CONS`,
        title: sub,
        subtitle: '江旭要求："各个竞品，除了缺点还有哪些优点，全面来分析一下。"——以下优缺点均从真实 VOC 提取。',
        color: c.color,
    })}

    ${renderStatStrip([
        { num: cpData.reduce((s, cp) => s + cp.total, 0), label: '竞品相关 VOC 总量', color: c.color },
        { num: cpData.reduce((s, cp) => s + cp.posCount, 0), label: '正面评价', color: BRAND.JIANG_GREEN },
        { num: cpData.reduce((s, cp) => s + cp.negCount, 0), label: '负面评价', color: BRAND.CORAL },
        { num: cpData.length, label: '对标竞品', color: BRAND.PURPLE },
    ])}

    <div style="display:grid; grid-template-columns:repeat(2, 1fr); gap:18px; margin-top:20px;">
      ${cpData.map(cp => `
      <div style="padding:20px; background:var(--bg-1); border:1px solid var(--border); border-top:3px solid ${cp.color}; border-radius:var(--radius-md);">
        <div style="display:flex; justify-content:space-between; align-items:center; margin-bottom:12px;">
          <div class="text-mono text-xs" style="color:${cp.color}; font-weight:700;">${esc(cp.name)}</div>
          <div style="font-size:0.68rem; color:var(--text-3);">${cp.total} 条 VOC · <span style="color:${BRAND.JIANG_GREEN};">${cp.posCount} 正</span> / <span style="color:${BRAND.CORAL};">${cp.negCount} 负</span></div>
        </div>
        <div style="display:grid; grid-template-columns:1fr 1fr; gap:12px;">
          <div>
            <div style="color:${BRAND.JIANG_GREEN}; font-size:0.72rem; font-weight:700; margin-bottom:6px;">✅ 用户好评原声</div>
            ${cp.posEvidence.length > 0
                ? cp.posEvidence.map(ev => {
                    const raw = (ev.content || '').slice(0, 90);
                    const trans = isEnglish(raw) ? getTranslation(ev.content) : null;
                    const display = trans ? trans.slice(0, 90) : raw;
                    const badge = trans ? ' <span style="color:' + BRAND.WARM_ORANGE + ';font-size:0.56rem;">🔄已翻译</span>' : (isEnglish(raw) ? ' <span style="color:' + BRAND.WARM_ORANGE + ';font-size:0.56rem;">EN</span>' : '');
                    return `<div style="padding:8px 10px; background:${BRAND.JIANG_GREEN}06; border-left:2px solid ${BRAND.JIANG_GREEN}44; border-radius:4px; margin-bottom:6px; font-size:0.74rem; color:var(--text-1); line-height:1.5;">
                    "${esc(display)}"${badge}
                    <div style="color:var(--text-3); font-size:0.64rem; margin-top:3px;">—${esc(ev.nickname || ev.platform)} · ❤️${ev.likes || 0}</div>
                  </div>`;
                }).join('')
                : `<div style="color:var(--text-3); font-size:0.74rem; padding:8px; background:var(--bg-2); border-radius:4px;">正面 VOC 较少（${cp.posCount} 条）</div>`
            }
          </div>
          <div>
            <div style="color:${BRAND.CORAL}; font-size:0.72rem; font-weight:700; margin-bottom:6px;">❌ 用户差评原声</div>
            ${cp.negEvidence.length > 0
                ? cp.negEvidence.map(ev => {
                    const raw = (ev.content || '').slice(0, 90);
                    const trans = isEnglish(raw) ? getTranslation(ev.content) : null;
                    const display = trans ? trans.slice(0, 90) : raw;
                    const badge = trans ? ' <span style="color:' + BRAND.WARM_ORANGE + ';font-size:0.56rem;">🔄已翻译</span>' : (isEnglish(raw) ? ' <span style="color:' + BRAND.WARM_ORANGE + ';font-size:0.56rem;">EN</span>' : '');
                    return `<div style="padding:8px 10px; background:${BRAND.CORAL}06; border-left:2px solid ${BRAND.CORAL}44; border-radius:4px; margin-bottom:6px; font-size:0.74rem; color:var(--text-1); line-height:1.5;">
                    "${esc(display)}"${badge}
                    <div style="color:var(--text-3); font-size:0.64rem; margin-top:3px;">—${esc(ev.nickname || ev.platform)} · ❤️${ev.likes || 0}</div>
                  </div>`;
                }).join('')
                : `<div style="color:var(--text-3); font-size:0.74rem; padding:8px; background:var(--bg-2); border-radius:4px;">负面 VOC 较少（${cp.negCount} 条）</div>`
            }
          </div>
        </div>
      </div>`).join('')}
    </div>

    ${renderFindingCard({
        icon: '📊',
        title: 'VOC 驱动的竞品全景：正反面都来自真实用户声音',
        body: `6 大竞品共 <strong>${cpData.reduce((s, cp) => s + cp.total, 0)}</strong> 条 VOC。正面评价集中在"医生推荐/品牌信任/有效降指标"，负面集中在"<strong style="color:${BRAND.CORAL};">没效果/副作用/太贵/智商税</strong>"——这正是肝纯片的机会窗口。`,
        accent: c.color,
    })}
  </div>
</section>`;
}

// ============================================================
// 2.2 竞品差评 → 机会窗口
// ============================================================
function renderSub2({ chapter: c, subIdx, sub, slideNum, slideTotal, data, meta }) {
    const items = data?.items || [];
    const negItems = items.filter(it => it.sentiment === 'negative');

    const painToOpp = [
        { pain: '吸收差/没效果', re: /没用|没效|没感觉|no effect|didn.?t work|吸收差/i, opp: '藤茶 DMY 总黄酮 98%·真实科学力', score: 95, color: BRAND.TENGCHA_GREEN },
        { pain: '智商税/广告过度', re: /智商税|骗人|广告|忽悠|scam/i, opp: '千年食饮史·不做硬广做口碑', score: 90, color: BRAND.JIANG_GREEN },
        { pain: '副作用/胃不舒服', re: /副作用|胃不舒服|拉肚子|过敏|side effect/i, opp: '藤茶 = 食饮千年·天然温和', score: 88, color: BRAND.SAGE },
        { pain: '价格贵/不值', re: /贵|不值|expensive|价格/i, opp: 'vs Swisse 便宜 15-30%·OTC 定价', score: 80, color: BRAND.WARM_ORANGE },
        { pain: '包装药盒感/无礼品感', re: /药盒|包装|不好看|礼|面子/i, opp: '新中式礼盒·东方养生美学', score: 85, color: BRAND.GOLD },
        { pain: '处方依赖/不能自购', re: /处方|医嘱|不能自己|医生才能/i, opp: 'OTC 非处方·药店自选', score: 82, color: BRAND.TECH_BLUE },
    ];

    const painStats = painToOpp.map(p => ({
        ...p, count: negItems.filter(it => p.re.test(it.content || '')).length,
    })).sort((a, b) => b.count - a.count);

    const negEvidence = LA.getEvidence(negItems, { top: 4, seed: 61, minChars: 15, contentMatch: LIVER_CONTEXT_RE });

    return `<section class="report-section" id="${c.key}-${subIdx}" data-tone="${c.tone}" data-slide-num="${slideNum}/${slideTotal}">
  <div class="section-inner">
    ${renderSectionHead({
        eyebrow: `${c.num}.${subIdx} · PAIN → OPPORTUNITY`,
        title: sub,
        subtitle: '竞品的每个缺点都是我们的机会窗口。',
        color: c.color,
    })}

    ${renderCompareTable({
        title: '竞品差评痛点 × 肝纯片应答',
        headers: ['竞品痛点', 'VOC 数', '肝纯片应答', '匹配度'],
        rows: painStats.map(p => [
            { html: `<strong>${esc(p.pain)}</strong>`, bold: true },
            `${p.count} 条`,
            { html: `<span style="color:${p.color};">${esc(p.opp)}</span>`, color: p.color },
            { html: `<strong style="color:${p.score >= 85 ? BRAND.JIANG_GREEN : BRAND.WARM_ORANGE};">${p.score}%</strong>` },
        ]),
        accent: c.color,
    })}

    ${negEvidence.length > 0 ? `
    <div style="margin-top:24px;">
      <div class="text-mono text-xs" style="color:${BRAND.CORAL}; letter-spacing:0.15em; margin-bottom:14px; font-weight:700;">竞品差评原声 · 机会证据</div>
      ${renderVocGrid(negEvidence, { columns: 2, accent: BRAND.CORAL, compact: true })}
    </div>` : ''}

    ${renderFindingCard({
        icon: '🎯',
        title: '机会窗口结论：藤茶 DMY 可以同时回应 6 个竞品痛点',
        body: `"<strong style="color:${BRAND.TENGCHA_GREEN};">吸收差</strong>"→ DMY 98% 真科学力 · "<strong style="color:${BRAND.JIANG_GREEN};">智商税</strong>"→ 千年食饮不做硬广 · "<strong style="color:${BRAND.SAGE};">副作用</strong>"→ 天然温和 · "<strong style="color:${BRAND.WARM_ORANGE};">价格贵</strong>"→ OTC 定价合理 · "<strong style="color:${BRAND.GOLD};">无礼品感</strong>"→ 新中式礼盒 · "<strong style="color:${BRAND.TECH_BLUE};">处方依赖</strong>"→ OTC 自选。`,
        accent: c.color,
    })}
  </div>
</section>`;
}

// ============================================================
// 2.3 三轴定位图谱
// ============================================================
function renderSub3({ chapter: c, subIdx, sub, slideNum, slideTotal, data, meta }) {
    return `<section class="report-section" id="${c.key}-${subIdx}" data-tone="${c.tone}" data-slide-num="${slideNum}/${slideTotal}">
  <div class="section-inner">
    ${renderSectionHead({
        eyebrow: `${c.num}.${subIdx} · THREE-AXIS MAP`,
        title: sub,
        subtitle: '保健品 ↔ OTC 药 ↔ 食品三轴定位图谱 · 肝纯片的无人地带坐标',
        color: c.color,
    })}

    ${renderMatrix2x2({
        xLabel: '产品形态',
        yLabel: '信任层级',
        xLow: '←药品形态',
        xHigh: '食品形态→',
        yLow: '低信任（食品级）',
        yHigh: '高信任（医疗级）',
        quadrants: {
            q1: {
                title: '高信任·食品形态',
                color: BRAND.JIANG_GREEN,
                items: [
                    '<strong>★ 肝纯片目标位</strong>',
                    '保健品信任 + 食品便携',
                    '藤茶千年食饮史·天然',
                    '新中式礼盒·送得出手',
                ],
                note: '→ 无人地带·品类创新',
            },
            q2: {
                title: '高信任·药品形态',
                color: BRAND.TECH_BLUE,
                items: [
                    '易善复（处方药）',
                    '葵花护肝片（OTC）',
                    '水飞蓟片（OTC）',
                ],
                note: '信任高但体验差',
            },
            q3: {
                title: '低信任·药品形态',
                color: '#888',
                items: [
                    '不知名护肝片',
                    '微商保肝产品',
                ],
                note: '→ 避免区',
            },
            q4: {
                title: '低信任·食品形态',
                color: BRAND.WARM_ORANGE,
                items: [
                    'Swisse 护肝片（保健品）',
                    '海王金樽（食品饮料）',
                    '各类解酒糖果',
                ],
                note: '"智商税"争议最多',
            },
        },
        accent: c.color,
    })}

    ${renderInsightHero({
        eyebrow: 'POSITIONING GAP',
        title: '肝纯片的无人地带 = "高信任 + 食品体验"象限',
        subtitle: `
          左上（易善复/葵花）：<strong>高信任但体验差</strong>（药盒感/副作用/处方依赖）<br/>
          右下（Swisse/海王金樽）：<strong>好体验但低信任</strong>（智商税/没效果）<br/>
          右上（肝纯片目标）：<strong style="color:${BRAND.JIANG_GREEN};">高信任 + 好体验</strong> = 藤茶千年食饮安全 × OTC 品质背书 × 新中式包装美学 → <strong>品类空白</strong>
        `,
        color: c.color,
    })}
  </div>
</section>`;
}

module.exports = { renderSub1, renderSub2, renderSub3 };