{% extends 'base.html' %}
{% block title %}AI 競情中樞 - WOOO TECH{% endblock %}

{% block content %}
<div class="container-fluid py-3">

    <!-- ── 頁首 ── -->
    <div class="row mb-3 align-items-center">
        <div class="col">
            <h4 class="mb-0">
                <i class="fas fa-brain text-danger me-2"></i>AI 競情中樞
                <span class="badge bg-danger ms-2 fs-6">ICAIM</span>
            </h4>
            <small class="text-muted">Hermes 3 分析師 × NemoTron 派發器 — 全天候競品監控</small>
        </div>
        <div class="col-auto d-flex gap-2 align-items-center">
            <span id="lastUpdateBadge" class="badge bg-secondary">
                <i class="fas fa-sync me-1"></i>載入中...
            </span>
            <button class="btn btn-outline-danger btn-sm" id="btnTrigger" onclick="triggerAnalysis()">
                <i class="fas fa-bolt me-1"></i>立即分析
            </button>
            <button class="btn btn-outline-secondary btn-sm" onclick="loadDashboard()">
                <i class="fas fa-redo me-1"></i>重新整理
            </button>
        </div>
    </div>

    <!-- ── KPI 卡片 ── -->
    <div class="row g-3 mb-4" id="kpiRow">
        <div class="col-6 col-md-3">
            <div class="card border-0 shadow-sm h-100">
                <div class="card-body text-center py-3">
                    <div class="fs-2 fw-bold text-primary" id="kpiSkus">—</div>
                    <div class="small text-muted mt-1"><i class="fas fa-box me-1"></i>監控商品數</div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-3">
            <div class="card border-0 shadow-sm h-100">
                <div class="card-body text-center py-3">
                    <div class="fs-2 fw-bold text-success" id="kpiCompetitors">—</div>
                    <div class="small text-muted mt-1"><i class="fas fa-store me-1"></i>有效競品比價</div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-3">
            <!-- 高風險卡 — 數值來自全量 CTE，非前端截斷的 200 筆 -->
            <div class="card border-0 shadow-sm h-100" id="kpiHighRiskCard">
                <div class="card-body text-center py-3">
                    <div class="fs-2 fw-bold text-danger" id="kpiHighRisk">—</div>
                    <div class="small text-muted mt-1">
                        <i class="fas fa-exclamation-triangle me-1"></i>高風險商品
                        <span class="text-muted" style="font-size:0.7rem">(貴&gt;15%)</span>
                    </div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-3">
            <div class="card border-0 shadow-sm h-100">
                <div class="card-body text-center py-3">
                    <div class="fs-2 fw-bold text-info" id="kpiAiRecs">—</div>
                    <div class="small text-muted mt-1"><i class="fas fa-robot me-1"></i>AI 決策記錄</div>
                </div>
            </div>
        </div>
    </div>

    <!-- ── 主體分兩欄（競品比價 + AI 決策） ── -->
    <div class="row g-3">

        <!-- ── 左：PChome 競品比價 ── -->
        <div class="col-xl-7">
            <div class="card shadow-sm h-100">
                <div class="card-header d-flex justify-content-between align-items-center py-2 bg-white border-bottom">
                    <span class="fw-bold">
                        <i class="fas fa-balance-scale text-warning me-2"></i>PChome 競品比價監控
                    </span>
                    <div class="d-flex gap-2 align-items-center">
                        <select class="form-select form-select-sm" id="riskFilter" onchange="filterTable()" style="width:100px">
                            <option value="all">全部</option>
                            <option value="HIGH">高風險</option>
                            <option value="MED">中風險</option>
                            <option value="LOW">低風險</option>
                        </select>
                        <input type="text" class="form-control form-control-sm" id="searchInput"
                               placeholder="搜尋商品..." oninput="filterTable()" style="width:130px">
                    </div>
                </div>
                <!-- 熱力圖圖例 -->
                <div class="px-3 pt-2 pb-1 d-flex gap-3 small text-muted" style="font-size:0.73rem">
                    <span><span style="display:inline-block;width:12px;height:12px;background:#fee2e2;border-radius:2px" class="me-1"></span>貴 &gt;20%</span>
                    <span><span style="display:inline-block;width:12px;height:12px;background:#fef9c3;border-radius:2px" class="me-1"></span>貴 10~20%</span>
                    <span><span style="display:inline-block;width:12px;height:12px;background:#dcfce7;border-radius:2px" class="me-1"></span>我便宜</span>
                </div>
                <div class="card-body p-0" style="overflow-x:auto; max-height:500px; overflow-y:auto;">
                    <table class="table table-sm table-hover mb-0 align-middle" id="competitorTable">
                        <thead class="table-light sticky-top" style="font-size:0.78rem;">
                            <tr>
                                <th class="ps-3" style="min-width:200px">商品</th>
                                <th class="text-end" style="min-width:75px">MOMO</th>
                                <th class="text-end" style="min-width:75px">PChome</th>
                                <th class="text-end" style="min-width:70px">價差</th>
                                <th style="min-width:90px">競品標籤</th>
                                <th class="text-center" style="min-width:55px">分數</th>
                                <th class="text-muted" style="min-width:80px">更新</th>
                            </tr>
                        </thead>
                        <tbody id="competitorTbody">
                            <tr><td colspan="7" class="text-center py-5 text-muted">
                                <div class="spinner-border spinner-border-sm me-2"></div>載入中...
                            </td></tr>
                        </tbody>
                    </table>
                </div>
                <div class="card-footer bg-white py-2 d-flex justify-content-between small text-muted">
                    <span id="compCount">—</span>
                    <span>TTL: 6h | 比對門檻: 0.45</span>
                </div>
            </div>
        </div>

        <!-- ── 右：AI 決策日誌 ── -->
        <div class="col-xl-5">
            <div class="card shadow-sm h-100">
                <div class="card-header py-2 bg-white border-bottom">
                    <span class="fw-bold">
                        <i class="fas fa-robot text-danger me-2"></i>AI 決策日誌
                        <small class="text-muted fw-normal ms-2">Hermes × NemoTron</small>
                    </span>
                </div>
                <div class="card-body p-0" style="overflow-y:auto; max-height:548px;">
                    <div id="aiRecsList" class="p-2">
                        <div class="text-center py-5 text-muted">
                            <div class="spinner-border spinner-border-sm me-2"></div>載入中...
                        </div>
                    </div>
                </div>
                <div class="card-footer bg-white py-2 d-flex justify-content-between small text-muted">
                    <span id="aiRecsCount">—</span>
                    <span>每 6h 自動更新</span>
                </div>
            </div>
        </div>

    </div><!-- /row -->

    <!-- ── Trigger 進度 Toast ── -->
    <div class="position-fixed bottom-0 end-0 p-3" style="z-index:9999">
        <div id="triggerToast" class="toast align-items-center text-white border-0" role="alert">
            <div class="d-flex">
                <div class="toast-body" id="triggerToastMsg">
                    <i class="fas fa-bolt me-1"></i>分析已啟動...
                </div>
                <button type="button" class="btn-close btn-close-white me-2 m-auto" data-bs-dismiss="toast"></button>
            </div>
        </div>
    </div>

</div><!-- /container -->

<script>
// ── 全域資料 ────────────────────────────────────────
let allCompetitors = [];

// ── 頁面載入 ────────────────────────────────────────
document.addEventListener('DOMContentLoaded', loadDashboard);

async function loadDashboard() {
    try {
        const res  = await fetch('/api/ai/icaim/dashboard');
        const data = await res.json();
        if (!data.success) throw new Error(data.error || '載入失敗');

        renderKPIs(data.stats);
        allCompetitors = data.competitors;
        renderCompetitorTable(allCompetitors);
        renderAiRecs(data.ai_recs);

        document.getElementById('lastUpdateBadge').innerHTML =
            '<i class="fas fa-check-circle me-1"></i>上次更新 ' + new Date().toLocaleTimeString('zh-TW');
        document.getElementById('lastUpdateBadge').className = 'badge bg-success';
    } catch (e) {
        document.getElementById('lastUpdateBadge').innerHTML =
            '<i class="fas fa-exclamation-circle me-1"></i>載入失敗';
        document.getElementById('lastUpdateBadge').className = 'badge bg-danger';
        console.error(e);
    }
}

// ── KPI（high_risk_count 來自後端全量 CTE）─────────
function renderKPIs(stats) {
    document.getElementById('kpiSkus').textContent        = (stats.total_skus || 0).toLocaleString();
    document.getElementById('kpiCompetitors').textContent = (stats.valid_competitor_prices || 0).toLocaleString();
    document.getElementById('kpiAiRecs').textContent      = (stats.total_ai_recs || 0).toLocaleString();

    const hr = stats.high_risk_count || 0;
    document.getElementById('kpiHighRisk').textContent = hr;
    // 高風險卡：數值 > 0 加紅底強調
    document.getElementById('kpiHighRiskCard').className =
        hr > 0
            ? 'card border-2 border-danger shadow-sm h-100'
            : 'card border-0 shadow-sm h-100';
}

// ── 競品比價表格（熱力圖底色）──────────────────────
function renderCompetitorTable(rows) {
    const tbody = document.getElementById('competitorTbody');
    if (!rows.length) {
        tbody.innerHTML = `<tr><td colspan="7" class="text-center py-5 text-muted">
            <i class="fas fa-info-circle me-2"></i>暫無競品比價資料
        </td></tr>`;
        document.getElementById('compCount').textContent = '0 筆';
        return;
    }

    tbody.innerHTML = rows.map(r => {
        // 熱力圖底色（行層級）
        let rowBg = '';
        if (r.gap_pct > 20)       rowBg = 'background:#fee2e2';   // 淺紅 — 嚴重貴
        else if (r.gap_pct > 10)  rowBg = 'background:#fef9c3';   // 淺黃 — 有風險
        else if (r.gap_pct < 0)   rowBg = 'background:#f0fdf4';   // 淺綠 — 我便宜

        // 價差文字顏色
        const gapClass = r.gap_pct > 15 ? 'text-danger fw-bold'
                       : r.gap_pct > 5  ? 'text-warning fw-bold'
                       : r.gap_pct < 0  ? 'text-success fw-bold'
                       : 'text-muted';
        const gapSign  = r.gap_pct > 0 ? '+' : '';

        const tagHtml = (r.tags || []).map(t => {
            const tagMap = {
                'on_sale':        ['bg-info text-dark',      '促銷中'],
                'discount_30pct': ['bg-danger text-white',   '折30%+'],
                'discount_20pct': ['bg-warning text-dark',   '折20%+'],
                'discount_10pct': ['bg-secondary text-white','折10%+'],
                'low_stock':      ['bg-dark text-white',     '低庫存'],
                'high_rating':    ['bg-primary text-white',  '高評分'],
            };
            const [cls, label] = tagMap[t] || ['bg-light text-dark', t];
            return `<span class="badge ${cls} me-1" style="font-size:0.68rem">${label}</span>`;
        }).join('');

        const scoreColor = r.match_score >= 0.7  ? 'text-success'
                         : r.match_score >= 0.55 ? 'text-warning'
                         : 'text-danger';

        return `<tr data-risk="${r.risk}" data-name="${r.name.toLowerCase()}" style="${rowBg}">
            <td class="ps-3">
                <div style="font-size:0.82rem;font-weight:500" title="${r.name}">${r.name}</div>
                <small class="text-muted">${r.category} · ${r.sku}</small>
            </td>
            <td class="text-end text-dark fw-bold">$${r.momo_price.toLocaleString()}</td>
            <td class="text-end text-secondary">$${r.pchome_price.toLocaleString()}</td>
            <td class="text-end ${gapClass}">${gapSign}${r.gap_pct}%</td>
            <td>${tagHtml || '<span class="text-muted small">—</span>'}</td>
            <td class="text-center ${scoreColor}" style="font-size:0.8rem">${r.match_score.toFixed(2)}</td>
            <td class="text-muted" style="font-size:0.75rem">${r.crawled_at}</td>
        </tr>`;
    }).join('');

    document.getElementById('compCount').textContent = `共 ${rows.length} 筆`;
}

// ── 篩選 ─────────────────────────────────────────────
function filterTable() {
    const risk   = document.getElementById('riskFilter').value;
    const search = document.getElementById('searchInput').value.toLowerCase().trim();

    const filtered = allCompetitors.filter(r => {
        const riskOk   = risk === 'all' || r.risk === risk;
        const searchOk = !search || r.name.toLowerCase().includes(search) || r.sku.includes(search);
        return riskOk && searchOk;
    });
    renderCompetitorTable(filtered);
}

// ── AI 決策日誌（含推理足跡）───────────────────────
function renderAiRecs(recs) {
    const container = document.getElementById('aiRecsList');
    document.getElementById('aiRecsCount').textContent =
        recs.length ? `共 ${recs.length} 筆決策記錄` : '尚無決策記錄';

    if (!recs.length) {
        container.innerHTML = `
        <div class="text-center py-5">
            <i class="fas fa-brain fa-3x text-muted mb-3 d-block"></i>
            <p class="text-muted mb-1">AI 決策日誌尚為空</p>
            <p class="small text-muted mb-3">
                排程每 6 小時執行一次 Hermes 分析 + NemoTron 派發<br>
                或點擊「立即分析」手動觸發
            </p>
            <button class="btn btn-sm btn-outline-danger" onclick="triggerAnalysis()">
                <i class="fas fa-bolt me-1"></i>立即觸發分析
            </button>
        </div>`;
        return;
    }

    const strategyMap = {
        'price_cut':  ['bg-danger',              '降價'],
        'promote':    ['bg-primary',             '主推'],
        'monitor':    ['bg-secondary',           '觀察'],
        'flag':       ['bg-warning text-dark',   '覆核'],
    };

    container.innerHTML = recs.map(r => {
        const [sBg, sLabel] = strategyMap[r.strategy] || ['bg-secondary', r.strategy];
        const confPct       = Math.round(r.confidence * 100);
        const confColor     = confPct >= 80 ? 'bg-success' : confPct >= 60 ? 'bg-warning' : 'bg-danger';
        const gapSign       = r.gap_pct > 0 ? '+' : '';

        // 推理足跡
        const hermesInfo = r.hermes_duration
            ? `${r.analyst} ${r.hermes_duration}s${r.hermes_tokens ? ' / ' + r.hermes_tokens + 'tok' : ''}`
            : r.analyst;
        const nimInfo = r.nim_tokens
            ? `${r.dispatcher} ${r.nim_tokens}tok`
            : r.dispatcher;

        return `<div class="border rounded mb-2 p-2" style="font-size:0.83rem">
            <div class="d-flex justify-content-between align-items-start mb-1">
                <span class="fw-bold text-truncate me-2" style="max-width:200px" title="${r.name}">${r.name}</span>
                <span class="badge ${sBg} flex-shrink-0">${sLabel}</span>
            </div>
            <div class="d-flex gap-3 mb-1 text-muted small">
                <span>MOMO <strong class="text-dark">$${r.momo_price.toLocaleString()}</strong></span>
                <span>PChome <strong class="text-secondary">$${r.pchome_price.toLocaleString()}</strong></span>
                <span class="${r.gap_pct > 10 ? 'text-danger fw-bold' : 'text-muted'}">${gapSign}${r.gap_pct}%</span>
            </div>
            <div class="mb-1 text-muted" style="font-size:0.78rem;line-height:1.4">
                ${r.reason ? r.reason.substring(0, 90) + (r.reason.length > 90 ? '…' : '') : ''}
            </div>
            <div class="d-flex justify-content-between align-items-center">
                <div class="d-flex align-items-center gap-1">
                    <div class="progress" style="width:60px;height:6px">
                        <div class="progress-bar ${confColor}" style="width:${confPct}%"></div>
                    </div>
                    <small class="text-muted">${confPct}%</small>
                </div>
                <small class="text-muted" title="推理足跡">
                    <i class="fas fa-microchip me-1" style="font-size:0.68rem"></i>${hermesInfo} → ${nimInfo}
                    · ${r.created_at}
                </small>
            </div>
        </div>`;
    }).join('');
}

// ── 手動觸發分析 ────────────────────────────────────
async function triggerAnalysis() {
    const btn   = document.getElementById('btnTrigger');
    const toast = document.getElementById('triggerToast');
    const msg   = document.getElementById('triggerToastMsg');

    btn.disabled = true;
    btn.innerHTML = '<span class="spinner-border spinner-border-sm me-1"></span>啟動中...';

    try {
        const res  = await fetch('/api/ai/icaim/trigger', { method: 'POST' });
        const data = await res.json();

        msg.innerHTML = data.success
            ? `<i class="fas fa-check-circle me-1"></i>${data.message}`
            : `<i class="fas fa-times-circle me-1"></i>${data.error}`;
        toast.className = 'toast align-items-center text-white border-0 ' +
                          (data.success ? 'bg-success' : 'bg-danger');

        new bootstrap.Toast(toast, { delay: 6000 }).show();

        if (data.success) {
            // 60 秒後自動重新整理儀表板
            setTimeout(loadDashboard, 60000);
        }
    } catch (e) {
        msg.innerHTML = '<i class="fas fa-times-circle me-1"></i>觸發失敗：' + e.message;
        toast.className = 'toast align-items-center text-white border-0 bg-danger';
        new bootstrap.Toast(toast, { delay: 4000 }).show();
    } finally {
        btn.disabled = false;
        btn.innerHTML = '<i class="fas fa-bolt me-1"></i>立即分析';
    }
}
</script>
{% endblock %}