/* 模型评测网站 前端逻辑 */
"use strict";

const $ = (s) => document.querySelector(s);
const $$ = (s) => Array.from(document.querySelectorAll(s));

const esc = (s) => String(s ?? "").replace(/[&<>"']/g,
  (c) => ({ "&": "&amp;", "<": "&lt;", ">": "&gt;", '"': "&quot;", "'": "&#39;" }[c]));
const fmt = (v, d = "—") => (v === null || v === undefined || isNaN(v) ? d : Number(v).toFixed(2).replace(/\.?0+$/, ""));
const fmtInt = (v, d = "—") => (v === null || v === undefined || isNaN(v) ? d : Math.round(v));
let toastTimer = null;
function toast(msg) {
  const el = $("#toast");
  el.textContent = msg;
  el.style.display = "block";
  clearTimeout(toastTimer);
  toastTimer = setTimeout(() => { el.style.display = "none"; }, 3200);
}

async function api(path, method = "GET", body) {
  const opt = { method, headers: {} };
  if (body !== undefined) { opt.headers["Content-Type"] = "application/json"; opt.body = JSON.stringify(body); }
  const resp = await fetch(path, opt);
  let j = {};
  try { j = await resp.json(); } catch (e) { j = {}; }
  if (!resp.ok && !j.ok) throw new Error(j.error || `请求失败(${resp.status})`);
  return j;
}

function providerLabel(p) {
  const m = { autodl: "Autodl", siliconflow: "SiliconFlow", "local-qwen": "本地Qwen",
              openai: "OpenAI", anthropic: "Anthropic", google: "Gemini", local: "本地" };
  return m[p] || p || "—";
}

const hwTag = (hw) => (hw ? `<span class="hw-tag" title="${esc(hw)}">🖥 ${esc(hw)}</span>` : "—");

/* ───────────────────────── 对比车（localStorage 持久化） ───────────────────────── */
const CART_KEY = "evalCompareCart";

function getCart() {
  try { const c = JSON.parse(localStorage.getItem(CART_KEY) || "[]"); return Array.isArray(c) ? c : []; }
  catch (e) { return []; }
}
function saveCart(c) { localStorage.setItem(CART_KEY, JSON.stringify(c)); }
function cartAdd(key) {
  const c = getCart();
  if (!c.includes(key)) { c.push(key); saveCart(c); toast("＋ 已加入对比"); }
  else { toast("已在对比中"); }
  renderCartBar();
}
function cartRemove(key) { saveCart(getCart().filter((k) => k !== key)); renderCartBar(); }
function cartClear() { saveCart([]); renderCartBar(); }
function cartModelName(key) {
  const i = String(key).indexOf("|");
  return i >= 0 ? String(key).slice(i + 1) : String(key);
}
function renderCartBar() {
  const bar = $("#cart-bar");
  if (!bar) return;
  const c = getCart();
  if (!c.length) { bar.hidden = true; return; }
  bar.hidden = false;
  const cnt = $("#cart-count");
  if (cnt) cnt.textContent = c.length;
  const items = $("#cart-items");
  if (items) items.innerHTML = c.map((k) => `<b>${esc(cartModelName(k))}</b>`).join("、");
}
function bindCartBar() {
  const bar = $("#cart-bar");
  if (!bar) return;
  const clear = $("#cart-clear");
  if (clear) clear.addEventListener("click", cartClear);
  const go = $("#cart-go");
  if (go) go.addEventListener("click", () => { location.href = "/compare.html"; });
  renderCartBar();
}

/* 运行速度对比：3 个系列（颜色深浅三色），前端可配置类型/轴 */
const RUN_SERIES = [
  { key: "avg_prefill_speed", label: "预填充速度", unit: "tok/s", color: "#5b94ff", depth: "浅" },
  { key: "avg_decode_speed", label: "解码速度", unit: "tok/s", color: "#2ee67a", depth: "深" },
  { key: "avg_ttft_ms", label: "首字延迟", unit: "ms", color: "#ffb43c", depth: "中" },
];

function buildRunPayload(opts) {
  const series = (opts.series || RUN_SERIES).filter((s) => s.show);
  const payload = {
    data: opts.csv, chartType: "bar", title: opts.title || "模型运行速度对比",
    theme: "default", showLegend: series.length > 1, showGrid: true,
    showLabel: opts.showLabel ?? false, smoothLine: true,
    dualYAxis: series.some((s) => s.axis === 1),
    leftAxisName: opts.leftAxisName || "预填充速度(tok/s)",
    rightAxisName: opts.rightAxisName || "解码速度(tok/s)",
    seriesTypes: series.map((s) => s.type),
    seriesStyles: series.map((s) => s.style),
    seriesAxis: series.map((s) => s.axis),
    seriesColors: series.map((s) => s.color),
    width: 1100, height: 560, pixelRatio: 2,
  };
  if (opts.xRotate !== undefined && opts.xRotate !== "" && opts.xRotate !== null) payload.xLabelRotate = Number(opts.xRotate);
  if (opts.xFont) payload.xLabelFontSize = Number(opts.xFont);
  if (opts.xInterval !== undefined && opts.xInterval !== "" && opts.xInterval !== null) payload.xLabelInterval = Number(opts.xInterval);
  if (!payload.dualYAxis) payload.seriesAxis = null;
  return payload;
}

function navActive() {
  const path = location.pathname.split("/").pop() || "index.html";
  $$(".nav a").forEach((a) => {
    a.classList.toggle("active", a.getAttribute("href") === path);
  });
}

/* ───────────────────────── 首页：排行（热度前10 + 搜索） ───────────────────────── */
let sortKey = "heat";
let sortOrder = "desc";
let lbModels = [];            // 全部模型（含 heat/intro/count_override），已按热度排序
let lbAll = [];
let lbSelected = new Set();   // selected keys（对比图用）
let lbTopN = 10;
let lbQuery = "";

const modelKey = (p, m) => `${p}|${m}`;

const LB_SORT_GETTER = {
  heat: (r) => r.heat || 0, cnt: (r) => r.cnt, accounts: (r) => r.accounts,
  avg_decode_speed: (r) => r.avg_decode_speed || 0, avg_prefill_speed: (r) => r.avg_prefill_speed || 0,
  avg_ttft_ms: (r) => r.avg_ttft_ms || 0, best_decode: (r) => r.best_decode || 0,
  last_tested: (r) => r.last_tested || "",
};

async function loadStats() {
  try {
    const s = await api("/api/stats");
    if ($("#st-models")) $("#st-models").textContent = s.models;
    if ($("#st-subs")) $("#st-subs").textContent = s.submissions;
    if ($("#st-accounts")) $("#st-accounts").textContent = s.accounts;
    if ($("#st-samples")) $("#st-samples").innerHTML = fmtInt(s.samples_ok) + " <small>次成功采样</small>";
    if ($("#st-caps")) $("#st-caps").textContent = s.capabilities;
  } catch (e) { /* ignore */ }
}

function sortClick(key) {
  if (sortKey === key) sortOrder = sortOrder === "desc" ? "asc" : "desc";
  else { sortKey = key; sortOrder = "desc"; }
  applyView();
}

function cmpLb(a, b) {
  const g = LB_SORT_GETTER[sortKey] || LB_SORT_GETTER.heat;
  const va = g(a), vb = g(b);
  let c = 0;
  if (typeof va === "number" && typeof vb === "number") c = va - vb;
  else c = String(va).localeCompare(String(vb));
  return sortOrder === "desc" ? -c : c;
}

function renderLbChips() {
  const box = $("#lb-chart-models");
  if (!box) return;
  box.innerHTML = "";
  if (!lbModels.length) { box.innerHTML = '<span class="hint">暂无模型</span>'; return; }
  for (const m of lbModels) {
    const on = lbSelected.has(m.key);
    const c = document.createElement("span");
    c.className = "chip" + (on ? " on" : "");
    c.title = "点击选择/取消该模型";
    c.innerHTML = `<span>${esc(m.model)}</span>`;
    c.addEventListener("click", () => {
      if (lbSelected.has(m.key)) lbSelected.delete(m.key); else lbSelected.add(m.key);
      c.classList.toggle("on");
    });
    box.appendChild(c);
  }
}

async function loadLeaderboard() {
  const tb = $("#lb tbody");
  if (!tb) return;
  tb.innerHTML = '<tr><td colspan="13" class="empty">加载中…</td></tr>';
  let d;
  try {
    d = await api(`/api/leaderboard?sort=heat&order=desc&limit=500`);
  } catch (e) {
    tb.innerHTML = `<tr><td colspan="13" class="empty">加载失败：${esc(e.message)}</td></tr>`;
    return;
  }
  if (d.top_n) lbTopN = d.top_n;
  lbAll = d.rows;
  lbModels = lbAll.map((r) => ({ provider: r.provider, model: r.model, key: modelKey(r.provider, r.model), intro: r.intro || "", heat: r.heat || 0 }));
  if (!lbSelected.size) lbModels.forEach((m) => lbSelected.add(m.key));
  else lbModels.forEach((m) => { if (!lbSelected.has(m.key)) lbSelected.add(m.key); });
  renderLbChips();
  applyView();
}

function applyView() {
  const tb = $("#lb tbody");
  if (!tb) return;
  let rows = lbAll;
  const q = lbQuery.trim().toLowerCase();
  if (q) {
    rows = lbAll.filter((r) =>
      (r.model || "").toLowerCase().includes(q) ||
      (r.provider || "").toLowerCase().includes(q) ||
      ((r.intro || "") || "").toLowerCase().includes(q));
  }
  rows = [...rows].sort(cmpLb);
  if (!q) rows = rows.slice(0, lbTopN);   // 默认显示热度前 N 个
  $$("#lb th[data-sort]").forEach((th) => {
    th.querySelector(".arrow").textContent = (th.dataset.sort === sortKey) ? (sortOrder === "desc" ? " ▼" : " ▲") : "";
  });
  if (!rows.length) {
    tb.innerHTML = '<tr><td colspan="13" class="empty">' + (q ? `未找到匹配「${esc(lbQuery)}」的模型` : "暂无评测数据。可在后台管理「提交管理」里点击「🎲 生成演示数据」或从 llm-speed-tester 一键发送。") + '</td></tr>';
    return;
  }
  const maxDecode = Math.max(...rows.map((r) => r.avg_decode_speed || 0));
  tb.innerHTML = rows.map((r, i) => {
    const meter = r.avg_decode_speed ? `<div class="meter"><div style="width:${(r.avg_decode_speed / maxDecode * 100).toFixed(1)}%"></div></div>` : "";
    const intro = r.intro ? `<div class="hint">${esc(r.intro)}</div>` : "";
    return `<tr>
      <td class="num">${i + 1}</td>
      <td><span class="pill">${esc(providerLabel(r.provider))}</span></td>
      <td><a href="/model.html?provider=${encodeURIComponent(r.provider)}&model=${encodeURIComponent(r.model)}" title="查看详情">${esc(r.model)}</a>${intro}</td>
      <td class="num"><span class="pill amber">🔥 ${fmtInt(r.heat || 0)}</span></td>
      <td class="num">${fmtInt(r.count_override > 0 ? r.count_override : r.cnt)}</td>
      <td class="num">${fmtInt(r.accounts)}</td>
      <td class="num"><span class="badge-decode">${fmt(r.avg_decode_speed)}</span>${meter}</td>
      <td class="num">${fmt(r.avg_prefill_speed)}</td>
      <td class="num">${fmt(r.avg_ttft_ms)}</td>
      <td class="num">${fmt(r.best_decode)}</td>
      <td>${hwTag(r.hardware)}</td>
      <td class="num">${esc((r.last_tested || "").slice(5, 16))}</td>
      <td>
        <a class="btn small" href="/model.html?provider=${encodeURIComponent(r.provider)}&model=${encodeURIComponent(r.model)}" title="查看详情">详情</a>
        <button class="btn small" data-cart="${modelKey(r.provider, r.model)}" title="加入对比">+对比</button>
      </td>
    </tr>`;
  }).join("");
}

/* 搜索框：点击显示热门5个，输入过滤 */
function renderSearchDrop(items) {
  const drop = $("#lb-search-drop");
  if (!drop) return;
  if (!items || !items.length) { drop.hidden = true; return; }
  drop.hidden = false;
  drop.innerHTML = items.map((r) => {
    const key = modelKey(r.provider, r.model);
    const intro = r.intro ? `<span class="hint">${esc(r.intro)}</span>` : `<span class="hint">${esc(providerLabel(r.provider))}</span>`;
    return `<div class="search-item" data-key="${key}">
      <div class="si-main">${esc(r.model)} <span class="pill amber" style="margin-left:6px">🔥${fmtInt(r.heat || 0)}</span></div>
      <div class="si-sub">${intro} · 提交 ${fmtInt(r.cnt)} · 解码 ${fmt(r.avg_decode_speed)} tok/s</div>
    </div>`;
  }).join("");
}

function bindSearch() {
  const input = $("#lb-search");
  const drop = $("#lb-search-drop");
  if (!input || !drop) return;
  input.addEventListener("focus", () => {
    // 点击输入框 → 显示最常见的5个速度项（按热度）
    renderSearchDrop(lbAll.slice(0, 5));
  });
  input.addEventListener("input", () => {
    lbQuery = input.value;
    applyView();
    const q = lbQuery.trim().toLowerCase();
    if (q) renderSearchDrop(lbAll.filter((r) =>
      (r.model || "").toLowerCase().includes(q) ||
      (r.provider || "").toLowerCase().includes(q) ||
      ((r.intro || "") || "").toLowerCase().includes(q)).slice(0, 5));
    else renderSearchDrop(lbAll.slice(0, 5));
  });
  input.addEventListener("blur", () => { setTimeout(() => { drop.hidden = true; }, 150); });
  drop.addEventListener("mousedown", (e) => {
    const item = e.target.closest(".search-item");
    if (!item) return;
    e.preventDefault();
    const key = item.dataset.key;
    const m = lbModels.find((x) => x.key === key);
    if (m) location.href = `/model.html?provider=${encodeURIComponent(m.provider)}&model=${encodeURIComponent(m.model)}`;
  });
}

let lbChartUrl = "";
async function genLbChart() {
  const status = $("#lb-chart-status");
  const imgWrap = $("#lb-chart-img");
  if (!lbSelected.size) { status.textContent = "请至少选择一个模型"; return; }
  status.textContent = "⏳ 正在生成...";
  try {
    // 重新请求指定模型的排行数据（对比图只包含所选模型）
    const models = [...lbSelected].join(",");
    const d = await api(`/api/leaderboard?sort=heat&order=desc&models=${encodeURIComponent(models)}`);
    if (!d.rows.length) { status.textContent = "所选模型暂无数据"; return; }
    const n = d.rows.length;
    // 运行速度对比：预填充(左轴·空心柱) + 解码(右轴·实心柱) + 首字(虚线)，三色
    const series = RUN_SERIES.map((s, i) => ({
      ...s, show: true,
      type: ["bar", "bar", "line"][i],
      style: ["hollow", "solid", "dashed"][i],
      axis: [0, 1, 1][i],
    }));
    const payload = buildRunPayload({
      csv: d.chart_csv,
      title: `模型运行速度对比（${n} 个模型）`,
      series,
      xRotate: n > 14 ? 45 : (n > 8 ? 30 : 0),
      xFont: n > 14 ? 11 : 12,
    });
    const resp = await fetch("/api/chart", {
      method: "POST", headers: { "Content-Type": "application/json" },
      body: JSON.stringify(payload),
    });
    if (!resp.ok) { const j = await resp.json().catch(() => ({})); status.textContent = "❌ " + (j.error || "生成失败"); return; }
    const blob = await resp.blob();
    if (lbChartUrl) URL.revokeObjectURL(lbChartUrl);
    lbChartUrl = URL.createObjectURL(blob);
    imgWrap.innerHTML = "";
    const img = document.createElement("img");
    img.src = lbChartUrl;
    img.alt = "模型运行速度对比图";
    img.onload = () => { status.textContent = `✅ 已生成（${n} 个模型）`; };
    imgWrap.appendChild(img);
  } catch (e) { status.textContent = "❌ " + e.message; }
}

function dlChartUrl() {
  if (!lbChartUrl) { toast("请先生成图表"); return null; }
  const a = document.createElement("a");
  a.href = lbChartUrl;
  a.download = "运行速度对比图.png";
  document.body.appendChild(a); a.click(); a.remove();
}

/* ───────────────────────── 模型详情页 ───────────────────────── */
async function loadModel() {
  const params = new URLSearchParams(location.search);
  const provider = params.get("provider") || "";
  const model = params.get("model") || "";
  if (!model) { $("#model-body").innerHTML = '<div class="empty">缺少模型参数</div>'; return; }
  let d;
  try {
    d = await api(`/api/model?provider=${encodeURIComponent(provider)}&model=${encodeURIComponent(model)}`);
  } catch (e) {
    $("#m-sub").textContent = e.message;
    return;
  }
  document.title = `${d.model} · 模型评测`;
  $("#m-title").textContent = `${d.model} 详情`;
  $("#m-sub").textContent = `${providerLabel(d.provider)} · 共 ${d.sub_cnt} 条提交`;
  // 硬件汇总
  const hws = {};
  d.submissions.forEach((s) => { if (s.hardware) hws[s.hardware] = (hws[s.hardware] || 0) + 1; });
  const hwList = Object.entries(hws).map(([hw, n]) => `${esc(hw)} ×${n}`).join("；");
  $("#m-hw").textContent = hwList ? `🖥 硬件：${hwList}` : "";

  $("#md-submissions").innerHTML = d.submissions.map((s) => {
    const conc = (s.concurrency_levels || [1]).join("/");
    return `<tr>
      <td><a href="#" data-sid="${s.id}" class="s-link">#${s.id}</a></td>
      <td>${esc(s.account)}</td>
      <td>${esc(s.created_at)}</td>
      <td>${hwTag(s.hardware)}</td>
      <td class="num">${fmt(s.samples_ok)}/${fmt(s.samples_total)}</td>
      <td class="num">${fmt(s.avg_ttft_ms)}</td>
      <td class="num">${fmt(s.avg_prefill_speed)}</td>
      <td class="num"><span class="badge-decode">${fmt(s.avg_decode_speed)}</span></td>
      <td class="num">${fmt(s.avg_stream_decode)}</td>
      <td class="num">${conc}</td>
      <td class="num">${fmt(s.avg_output_tokens)}</td>
      <td>${s.test_name ? `<span class="pill gray" title="${esc(s.test_name)}">${esc(s.test_name.slice(0, 16))}</span>` : "—"}</td>
    </tr>`;
  }).join("");

  window.__modelChart = d.line_payload;
  window.__modelLineCsv = d.line_csv;
  $("#m-chart-csv").value = d.line_csv;
  $("#m-chart-img").innerHTML = '<div class="hint">点击「🎨 生成折线图」绘制</div>';
  $("#m-chart-status").textContent = "";

  $("#md-lengths").innerHTML = d.by_length.map((r) => `<tr>
    <td class="num">${fmtInt(r.length)}</td>
    <td class="num">${fmtInt(r.count)}</td>
    <td class="num">${fmt(r.avg_prefill_speed)}</td>
    <td class="num"><span class="badge-decode">${fmt(r.avg_decode_speed)}</span></td>
    <td class="num">${fmt(r.avg_ttft_ms)}</td>
  </tr>`).join("");
}

let modelChartUrl = "";
async function genModelChart() {
  if (!window.__modelChart) { toast("暂无数据可画图"); return; }
  const status = $("#m-chart-status");
  const imgWrap = $("#m-chart-img");
  status.textContent = "⏳ 正在生成...";
  try {
    const resp = await fetch("/api/chart", {
      method: "POST", headers: { "Content-Type": "application/json" },
      body: JSON.stringify(window.__modelChart),
    });
    if (!resp.ok) { const j = await resp.json().catch(() => ({})); status.textContent = "❌ " + (j.error || "生成失败"); return; }
    const blob = await resp.blob();
    if (modelChartUrl) URL.revokeObjectURL(modelChartUrl);
    modelChartUrl = URL.createObjectURL(blob);
    imgWrap.innerHTML = "";
    const img = document.createElement("img");
    img.src = modelChartUrl;
    img.alt = "速度随上下文长度";
    img.onload = () => { status.textContent = "✅ 生成完成"; };
    imgWrap.appendChild(img);
  } catch (e) { status.textContent = "❌ " + e.message; }
}

/* ───────────────────────── 能力测试页 ───────────────────────── */
async function loadCapabilities() {
  const grid = $("#cap-grid");
  if (!grid) return;
  grid.innerHTML = '<div class="hint">加载中…</div>';
  let list;
  try { list = await api("/api/capabilities"); }
  catch (e) { grid.innerHTML = `<div class="hint">加载失败：${esc(e.message)}</div>`; return; }
  if ($("#cap-sub")) $("#cap-sub").textContent = `共 ${list.length} 项能力测试`;
  if (!list.length) {
    grid.innerHTML = '<div class="hint">暂无能力测试内容，请到「⚙️ 后台管理 → 能力测试管理」添加。</div>';
    return;
  }
  grid.innerHTML = list.map((c) => `
    <div class="cap-card" data-cap="${c.id}">
      <div class="cap-head">
        <span class="cap-icon">${esc(c.icon || "🧪")}</span>
        <span class="cap-name">${esc(c.name)}</span>
        <span class="cap-cat"><span class="pill green">${esc(c.category || "未分类")}</span></span>
      </div>
      <div class="cap-desc">${esc(c.description || "暂无描述")}</div>
      <div class="cap-count">📝 含 ${(c.items || []).length} 个测试项，点击查看详情</div>
    </div>`).join("");
  grid.querySelectorAll(".cap-card").forEach((card) => {
    card.addEventListener("click", () => openCapDetail(list.find((c) => c.id === Number(card.dataset.cap))));
  });
}

function openCapDetail(c) {
  const mask = $("#cap-mask");
  if (!mask) return;
  mask.hidden = false;
  $("#cap-modal-title").textContent = `${c.icon || "🧪"} ${c.name}`;
  const items = (c.items || []).map((it, i) => `
    <div class="cap-item">
      <div class="it-title">${i + 1}. ${esc(it.title || "未命名")}</div>
      <div class="it-prompt">📝 ${esc(it.prompt || "")}</div>
      ${it.expect ? `<div class="it-expect">🎯 期望：${esc(it.expect)}</div>` : ""}
    </div>`).join("");
  $("#cap-modal-body").innerHTML = `
    <div class="kv" style="margin-bottom:14px">
      <div class="kv-item"><div class="kv-k">分类</div><div class="kv-v">${esc(c.category || "未分类")}</div></div>
      <div class="kv-item"><div class="kv-k">测试项数</div><div class="kv-v">${(c.items || []).length}</div></div>
      <div class="kv-item"><div class="kv-k">更新时间</div><div class="kv-v">${esc(c.updated_at || c.created_at || "")}</div></div>
    </div>
    <div class="hint" style="margin-bottom:8px">${esc(c.description || "")}</div>
    <h3>📝 测试项</h3>
    ${items || '<div class="hint">暂无测试项</div>'}
  `;
}

/* ───────────────────────── 模型对比页（对比车驱动） ───────────────────────── */
let cmpModels = [];
let cmpSelected = new Set();
let cmpOrder = [];   // 对比顺序：对比车加入顺序 或 默认前5
let cmpCols = new Set(["model", "avg_prefill_speed", "avg_decode_speed"]);  // 默认只对比预填充+解码
let cmpRows = [];
let cmpCsv = "";
let cmpChartUrl = "";

const CMP_COL_DEFS = [
  { key: "provider", label: "提供商", type: "text" },
  { key: "model", label: "模型", type: "text" },
  { key: "hardware", label: "硬件", type: "hw" },
  { key: "cnt", label: "提交数", type: "num" },
  { key: "accounts", label: "账号数", type: "num" },
  { key: "samples_ok", label: "采样数", type: "num" },
  { key: "avg_decode_speed", label: "平均解码 tok/s", type: "num" },
  { key: "avg_prefill_speed", label: "平均预填充 tok/s", type: "num" },
  { key: "avg_stream_decode", label: "单流均解码 tok/s", type: "num" },
  { key: "avg_ttft_ms", label: "首字 ms", type: "num" },
  { key: "best_decode", label: "最佳解码 tok/s", type: "num" },
  { key: "min_decode_speed", label: "最低解码 tok/s", type: "num" },
  { key: "avg_output_tokens", label: "输出 tok", type: "num" },
  { key: "avg_total_ms", label: "总耗时 ms", type: "num" },
  { key: "last_tested", label: "最后测试", type: "time" },
];

function renderCmpColToggles() {
  const box = $("#cmp-cols");
  if (!box) return;
  box.innerHTML = CMP_COL_DEFS.map((c) => `
    <label><input type="checkbox" value="${c.key}" data-cmpcol="${c.key}" ${cmpCols.has(c.key) ? "checked" : ""}> ${esc(c.label)}</label>`).join("");
  box.querySelectorAll("input[data-cmpcol]").forEach((inp) => {
    inp.addEventListener("change", () => {
      if (inp.checked) cmpCols.add(inp.value); else cmpCols.delete(inp.value);
      renderCmpTable();
    });
  });
}

async function initCompare() {
  const box = $("#cmp-models");
  if (!box) return;
  let d;
  try { d = await api("/api/leaderboard?limit=500"); }
  catch (e) { box.innerHTML = `<span class="hint">加载失败</span>`; return; }
  cmpModels = d.rows.map((r) => ({ provider: r.provider, model: r.model, key: modelKey(r.provider, r.model) }));
  // 对比车优先（按加入顺序）；否则默认前5
  const cart = getCart();
  const cartValid = cart.filter((k) => cmpModels.some((m) => m.key === k));
  if (cartValid.length) {
    cmpOrder = cartValid;
    cmpSelected = new Set(cartValid);
  } else {
    cmpOrder = cmpModels.slice(0, 5).map((m) => m.key);
    cmpSelected = new Set(cmpOrder);
  }
  renderCmpChips();
  renderCmpColToggles();
  renderSeriesCfg();
  runCompare();
}

function renderCmpChips() {
  const box = $("#cmp-models");
  box.innerHTML = "";
  if (!cmpModels.length) { box.innerHTML = '<span class="hint">暂无模型</span>'; return; }
  for (const m of cmpModels) {
    const on = cmpSelected.has(m.key);
    const c = document.createElement("span");
    c.className = "chip" + (on ? " on" : "");
    c.innerHTML = `<span>${esc(m.model)}</span>`;
    c.addEventListener("click", () => {
      if (cmpSelected.has(m.key)) { cmpSelected.delete(m.key); cmpOrder = cmpOrder.filter((k) => k !== m.key); }
      else { cmpSelected.add(m.key); if (!cmpOrder.includes(m.key)) cmpOrder.push(m.key); }
      c.classList.toggle("on");
    });
    box.appendChild(c);
  }
}

async function runCompare() {
  const status = $("#cmp-status");
  const tbody = $("#cmp-table tbody");
  if (!cmpOrder.length) { status.textContent = "请至少选择一个模型"; return; }
  status.textContent = "⏳ 正在对比...";
  const models = cmpOrder.join(",");
  try {
    const d = await api(`/api/compare?models=${encodeURIComponent(models)}`);
    cmpRows = d.rows;
    cmpCsv = d.chart_csv;
    renderCmpTable();
    status.textContent = `✅ 已对比 ${cmpRows.length} 个模型（${cmpOrder.length} 个选中）`;
  } catch (e) {
    status.textContent = "❌ " + e.message;
  }
}

function renderCmpTable() {
  const table = $("#cmp-table");
  const thead = table.querySelector("thead");
  const tbody = table.querySelector("tbody");
  const cols = CMP_COL_DEFS.filter((c) => cmpCols.has(c.key));
  thead.innerHTML = "<tr>" + cols.map((c) => `<th class="${c.type === "num" ? "num" : ""}">${esc(c.label)}</th>`).join("") + "</tr>";
  if (!cmpRows.length) { tbody.innerHTML = '<tr><td class="empty" colspan="' + cols.length + '">请先选择模型并点击「🔄 生成对比」</td></tr>'; return; }
  tbody.innerHTML = cmpRows.map((r) => "<tr>" + cols.map((c) => {
    const v = r[c.key];
    if (c.type === "hw") return `<td>${hwTag(v)}</td>`;
    if (c.type === "num") return `<td class="num">${fmt(v)}</td>`;
    if (c.type === "time") return `<td class="num">${esc((v || "").slice(5, 16))}</td>`;
    if (c.key === "model") return `<td><a href="/model.html?provider=${encodeURIComponent(r.provider)}&model=${encodeURIComponent(r.model)}">${esc(v)}</a></td>`;
    if (c.key === "provider") return `<td><span class="pill">${esc(providerLabel(v))}</span></td>`;
    return `<td>${esc(v)}</td>`;
  }).join("") + "</tr>").join("");
}

/* 对比图系列配置：柱状(实心/空心) / 折线(实线/虚线) / 左右双轴 / 三色深度 */
function renderSeriesCfg() {
  const tbody = $("#cmp-series-cfg tbody");
  if (!tbody) return;
  tbody.innerHTML = RUN_SERIES.map((s, i) => {
    const show = i < 2;                        // 默认预填充+解码
    const type = ["bar", "bar", "line"][i];
    const style = ["hollow", "solid", "dashed"][i];
    const axis = [0, 1, 1][i];
    return `<tr data-skey="${s.key}">
      <td><span style="display:inline-block;width:12px;height:12px;border-radius:3px;background:${s.color};margin-right:6px;vertical-align:middle"></span>${esc(s.label)} <span class="hint">${s.unit}·${s.depth}色</span></td>
      <td><input type="checkbox" class="sf-show" ${show ? "checked" : ""}></td>
      <td><select class="sf-type">
        <option value="bar|solid" ${type === "bar" && style === "solid" ? "selected" : ""}>柱状·实心</option>
        <option value="bar|hollow" ${type === "bar" && style === "hollow" ? "selected" : ""}>柱状·空心</option>
        <option value="line|solid" ${type === "line" && style === "solid" ? "selected" : ""}>折线·实线</option>
        <option value="line|dashed" ${type === "line" && style === "dashed" ? "selected" : ""}>折线·虚线</option>
      </select></td>
      <td><select class="sf-axis">
        <option value="0" ${axis === 0 ? "selected" : ""}>左轴</option>
        <option value="1" ${axis === 1 ? "selected" : ""}>右轴</option>
      </select></td>
      <td><span class="hint" style="color:${s.color}">${s.color}</span></td>
    </tr>`;
  }).join("");
}

function collectSeriesCfg() {
  return RUN_SERIES.map((s) => {
    const tr = $(`#cmp-series-cfg tr[data-skey="${s.key}"]`);
    if (!tr) return { ...s, show: false };
    const show = tr.querySelector(".sf-show").checked;
    const [type, style] = tr.querySelector(".sf-type").value.split("|");
    const axis = Number(tr.querySelector(".sf-axis").value);
    return { ...s, show, type, style, axis };
  });
}

async function genCmpChart() {
  const status = $("#cmp-chart-status");
  const imgWrap = $("#cmp-chart-img");
  if (!cmpOrder.length) { status.textContent = "请至少选择一个模型"; return; }
  const series = collectSeriesCfg();
  if (!series.some((s) => s.show)) { status.textContent = "请至少勾选一个系列"; return; }
  status.textContent = "⏳ 正在生成...";
  const xRotate = $("#cmp-xrotate").value;
  const xFont = parseInt($("#cmp-xfont").value) || 12;
  const xInterval = $("#cmp-xinterval").value;
  try {
    if (!cmpCsv) {
      const models = cmpOrder.join(",");
      const d = await api(`/api/compare?models=${encodeURIComponent(models)}`);
      cmpCsv = d.chart_csv;
    }
    const payload = buildRunPayload({
      csv: cmpCsv,
      title: `模型运行速度对比（${cmpOrder.length} 个模型）`,
      series,
      xRotate: xRotate === "auto" ? "" : xRotate,
      xFont,
      xInterval: xInterval === "auto" ? "" : xInterval,
    });
    const resp = await fetch("/api/chart", {
      method: "POST", headers: { "Content-Type": "application/json" },
      body: JSON.stringify(payload),
    });
    if (!resp.ok) { const j = await resp.json().catch(() => ({})); status.textContent = "❌ " + (j.error || "生成失败"); return; }
    const blob = await resp.blob();
    if (cmpChartUrl) URL.revokeObjectURL(cmpChartUrl);
    cmpChartUrl = URL.createObjectURL(blob);
    imgWrap.innerHTML = "";
    const img = document.createElement("img");
    img.src = cmpChartUrl;
    img.onload = () => { status.textContent = "✅ 已生成"; };
    imgWrap.appendChild(img);
  } catch (e) { status.textContent = "❌ " + e.message; }
}

/* ───────────────────────── 提交详情弹窗 ───────────────────────── */
async function openSubmission(sid) {
  const mask = $("#sub-mask");
  if (!mask) return;
  mask.hidden = false;
  $("#sub-body").innerHTML = '<div class="empty">加载中…</div>';
  let s;
  try { s = await api(`/api/submissions/${sid}`); }
  catch (e) { $("#sub-body").innerHTML = `<div class="empty">${esc(e.message)}</div>`; return; }
  $("#sub-id").textContent = `#${sid}`;
  const byLength = s.by_length || {};
  const byConc = s.by_concurrency || {};
  const lengthRows = Object.keys(byLength).sort((a, b) => a - b).map((L) => {
    const bl = byLength[L];
    return `<tr><td class="num">${L}</td><td class="num">${fmt(bl.avg_ttft_ms)}</td>
      <td class="num">${fmt(bl.avg_prefill_speed)}</td><td class="num">${fmt(bl.avg_decode_speed)}</td>
      <td class="num">${fmt(bl.avg_prompt_tokens)}</td><td class="num">${fmt(bl.avg_output_tokens)}</td></tr>`;
  }).join("");
  const concRows = Object.keys(byConc).sort((a, b) => a - b).map((C) => {
    const bl = byConc[C];
    return `<tr><td class="num">${C}</td><td class="num">${fmt(bl.avg_ttft_ms)}</td>
      <td class="num">${fmt(bl.avg_prefill_speed)}</td><td class="num">${fmt(bl.avg_decode_speed)}</td>
      <td class="num">${fmt(bl.avg_stream_decode)}</td><td class="num">${fmt(bl.avg_total_ms)}</td></tr>`;
  }).join("");
  const runs = s.runs || [];
  const runsHtml = runs.length ? `<table class="mini"><thead><tr><th>#</th><th>上下文tok</th><th>提示词tok</th>
    <th>首字ms</th><th>预填充tok/s</th><th>输出tok</th><th>解码tok/s</th><th>总耗时ms</th><th>备注</th></tr></thead><tbody>` +
    runs.map((r, i) => {
      const m = r.metrics || {};
      return `<tr><td>${i + 1}</td><td class="num">${r.context_length || m.context_length || "—"}</td>
        <td class="num">${fmt(m.prompt_tokens)}</td><td class="num">${fmt(m.ttft_ms)}</td>
        <td class="num">${fmt(m.prefill_speed)}</td><td class="num">${fmt(m.output_tokens)}</td>
        <td class="num">${fmt(m.decode_speed)}</td><td class="num">${fmt(m.total_ms)}</td>
        <td>${r.error ? "❌" : "✅"}</td></tr>`;
    }).join("") + "</tbody></table>"
    : '<div class="hint">无采样明细（演示数据）</div>';

  $("#sub-body").innerHTML = `
    <div class="kv" style="margin-bottom:14px">
      <div class="kv-item"><div class="kv-k">账号</div><div class="kv-v">${esc(s.account)}</div></div>
      <div class="kv-item"><div class="kv-k">模型</div><div class="kv-v">${esc(s.model)}</div></div>
      <div class="kv-item"><div class="kv-k">提供商</div><div class="kv-v">${esc(providerLabel(s.provider))}</div></div>
      <div class="kv-item"><div class="kv-k">硬件</div><div class="kv-v">${hwTag(s.hardware)}</div></div>
      <div class="kv-item"><div class="kv-k">测试名称</div><div class="kv-v">${esc(s.test_name || "—")}</div></div>
      <div class="kv-item"><div class="kv-k">提交时间</div><div class="kv-v">${esc(s.created_at)}</div></div>
      <div class="kv-item"><div class="kv-k">来源</div><div class="kv-v">${esc(s.source_site)} #${s.source_test_id}</div></div>
    </div>
    <h3>📊 整体指标</h3>
    <div class="kv" style="margin-bottom:14px">
      <div class="kv-item"><div class="kv-k">采样(成功/总数)</div><div class="kv-v">${fmtInt(s.samples_ok)} / ${fmtInt(s.samples_total)}</div></div>
      <div class="kv-item"><div class="kv-k">首字延迟</div><div class="kv-v">${fmt(s.avg_ttft_ms)} ms</div></div>
      <div class="kv-item"><div class="kv-k">预填充速度</div><div class="kv-v">${fmt(s.avg_prefill_speed)} tok/s</div></div>
      <div class="kv-item"><div class="kv-k">解码速度</div><div class="kv-v" style="color:var(--accent2)">${fmt(s.avg_decode_speed)} tok/s</div></div>
      <div class="kv-item"><div class="kv-k">单流均解码</div><div class="kv-v">${fmt(s.avg_stream_decode)} tok/s</div></div>
      <div class="kv-item"><div class="kv-k">平均输出</div><div class="kv-v">${fmtInt(s.avg_output_tokens)} tok</div></div>
    </div>
    <h3>📏 按上下文长度</h3>
    <div class="tbl-wrap" style="margin-bottom:12px"><table class="mini"><thead><tr>
      <th>长度tok</th><th>首字ms</th><th>预填充tok/s</th><th>解码tok/s</th><th>提示词tok</th><th>输出tok</th>
    </tr></thead><tbody>${lengthRows || '<tr><td colspan="6" class="empty">无数据</td></tr>'}</tbody></table></div>
    <h3>🔀 按并发数</h3>
    <div class="tbl-wrap" style="margin-bottom:12px"><table class="mini"><thead><tr>
      <th>并发</th><th>首字ms</th><th>预填充tok/s</th><th>解码tok/s</th><th>单流均解码tok/s</th><th>总耗时ms</th>
    </tr></thead><tbody>${concRows || '<tr><td colspan="6" class="empty">仅单流</td></tr>'}</tbody></table></div>
    <h3>📈 图表</h3>
    <div class="chart-img-wrap" id="sub-chart-img"><div class="hint">点击「🎨 生成图表」</div></div>
    <div style="margin-top:6px"><button class="btn small primary" id="sub-chart-gen">🎨 生成图表</button>
      <span class="hint" id="sub-chart-status"></span></div>
    <h3>📋 采样明细</h3>
    ${runsHtml}
  `;
  let chartUrl = "";
  $("#sub-chart-gen").addEventListener("click", async () => {
    const status = $("#sub-chart-status");
    status.textContent = "⏳ 正在生成...";
    try {
      const resp = await fetch(`/api/submissions/${sid}/chart`);
      if (!resp.ok) { const j = await resp.json().catch(() => ({})); status.textContent = "❌ " + (j.error || "生成失败"); return; }
      const blob = await resp.blob();
      if (chartUrl) URL.revokeObjectURL(chartUrl);
      chartUrl = URL.createObjectURL(blob);
      const wrap = $("#sub-chart-img");
      wrap.innerHTML = "";
      const img = document.createElement("img");
      img.src = chartUrl;
      img.onload = () => { status.textContent = "✅ 生成完成"; };
      wrap.appendChild(img);
    } catch (e) { status.textContent = "❌ " + e.message; }
  });
}

/* ───────────────────────── 后台管理 ───────────────────────── */
let subPage = 1;
let subQuery = "";
let capEditId = null;

async function checkAdmin() {
  try {
    const d = await api("/api/admin/session");
    if (d.admin) {
      $("#login-box").hidden = true;
      $("#admin-box").hidden = false;
      $("#btn-logout").hidden = false;
      loadSubmissions(true);
      loadAccounts();
      loadCaps();
      loadSpeedItems();
      loadSettings();
      return true;
    }
  } catch (e) { /* not logged in */ }
  $("#login-box").hidden = false;
  $("#admin-box").hidden = true;
  return false;
}

function switchTab(tab) {
  $$("#admin-tabs button").forEach((b) => b.classList.toggle("active", b.dataset.tab === tab));
  $("#tab-subs").hidden = tab !== "subs";
  $("#tab-accs").hidden = tab !== "accs";
  $("#tab-caps").hidden = tab !== "caps";
  $("#tab-speed").hidden = tab !== "speed";
  $("#tab-settings").hidden = tab !== "settings";
}

async function loadSubmissions(resetPage = false) {
  const tb = $("#subs tbody");
  if (!tb) return;
  if (resetPage) subPage = 1;
  tb.innerHTML = '<tr><td colspan="11" class="empty">加载中…</td></tr>';
  let d;
  try {
    d = await api(`/api/submissions?page=${subPage}&page_size=20&q=${encodeURIComponent(subQuery)}`);
  } catch (e) {
    tb.innerHTML = `<tr><td colspan="11" class="empty">加载失败：${esc(e.message)}</td></tr>`;
    return;
  }
  $("#sub-total").textContent = `共 ${d.total} 条`;
  $("#sub-pg").textContent = `${d.page} / ${d.pages}`;
  $("#sub-prev").disabled = d.page <= 1;
  $("#sub-next").disabled = d.page >= d.pages;
  if (!d.items.length) {
    tb.innerHTML = '<tr><td colspan="11" class="empty">暂无提交记录。可点击「🎲 生成演示数据」或从 llm-speed-tester 发送。</td></tr>';
    return;
  }
  tb.innerHTML = d.items.map((s) => `<tr>
    <td><a href="#" class="s-link" data-sid="${s.id}">#${s.id}</a></td>
    <td>${esc(s.account)}</td>
    <td>${esc(s.created_at)}</td>
    <td><span class="pill">${esc(providerLabel(s.provider))}</span></td>
    <td><a href="/model.html?provider=${encodeURIComponent(s.provider)}&model=${encodeURIComponent(s.model)}">${esc(s.model)}</a></td>
    <td><span class="hw-tag" title="点击修改硬件" data-hw="${s.id}" style="cursor:pointer">${esc(s.hardware || "未标注 ✎")}</span></td>
    <td class="num">${fmt(s.samples_ok)}/${fmt(s.samples_total)}</td>
    <td class="num">${fmt(s.avg_prefill_speed)}</td>
    <td class="num"><span class="badge-decode">${fmt(s.avg_decode_speed)}</span></td>
    <td class="num">${fmt(s.avg_ttft_ms)}</td>
    <td>
      <button class="btn small" data-view="${s.id}">查看</button>
      <button class="btn small danger" data-del="${s.id}">删除</button>
    </td>
  </tr>`).join("");
}

async function editHardware(sid) {
  const v = prompt(`为提交 #${sid} 设置硬件/GPU（留空清除）：`, "");
  if (v === null) return;
  try {
    await api(`/api/submissions/${sid}/hardware`, "PUT", { hardware: v });
    toast("硬件已更新");
    loadSubmissions();
  } catch (e) { toast("更新失败：" + e.message); }
}

async function loadAccounts() {
  const tb = $("#accs tbody");
  if (!tb) return;
  let list;
  try { list = await api("/api/accounts"); }
  catch (e) { tb.innerHTML = `<tr><td colspan="5" class="empty">加载失败</td></tr>`; return; }
  if (!list.length) {
    tb.innerHTML = '<tr><td colspan="5" class="empty">暂无账号。llm-speed-tester 一键发送时账号会自动创建。</td></tr>';
    return;
  }
  tb.innerHTML = list.map((a) => `<tr>
    <td>${esc(a.name)}</td>
    <td>${esc(a.remark || "—")}</td>
    <td>${esc(a.created_at)}</td>
    <td class="num"><span class="pill green">${fmtInt(a.cnt)} 条</span></td>
    <td>
      <button class="btn small" data-edit="${a.id}" data-name="${esc(a.name)}" data-remark="${esc(a.remark || "")}">编辑</button>
      <button class="btn small danger" data-del="${a.id}">删除</button>
    </td>
  </tr>`).join("");
}

async function loadCaps() {
  const tb = $("#caps tbody");
  if (!tb) return;
  let list;
  try { list = await api("/api/admin/capabilities"); }
  catch (e) { tb.innerHTML = `<tr><td colspan="9" class="empty">加载失败：${esc(e.message)}</td></tr>`; return; }
  if (!list.length) {
    tb.innerHTML = '<tr><td colspan="9" class="empty">暂无能力测试，点击「➕ 新增能力测试」或「🎲 生成演示能力测试」。</td></tr>';
    return;
  }
  tb.innerHTML = list.map((c) => `<tr>
    <td>${c.id}</td>
    <td style="font-size:18px">${esc(c.icon || "🧪")}</td>
    <td>${esc(c.name)}</td>
    <td><span class="pill green">${esc(c.category || "未分类")}</span></td>
    <td class="num">${(c.items || []).length}</td>
    <td title="${esc(c.description || "")}">${esc((c.description || "").slice(0, 20))}</td>
    <td class="num">${c.sort}</td>
    <td>${c.status ? '<span class="pill green">启用</span>' : '<span class="pill gray">停用</span>'}</td>
    <td>
      <button class="btn small" data-edit-cap="${c.id}">编辑</button>
      <button class="btn small danger" data-del-cap="${c.id}">删除</button>
    </td>
  </tr>`).join("");
}

async function loadSpeedItems() {
  const tb = $("#si tbody");
  if (!tb) return;
  let list;
  try { list = await api("/api/admin/speed-items"); }
  catch (e) { tb.innerHTML = `<tr><td colspan="9" class="empty">加载失败：${esc(e.message)}</td></tr>`; return; }
  if (!list.length) {
    tb.innerHTML = '<tr><td colspan="9" class="empty">暂无速度项，点击「🔄 从提交同步」自动生成。</td></tr>';
    return;
  }
  tb.innerHTML = list.map((s) => `<tr>
    <td>${s.id}</td>
    <td><span class="pill">${esc(providerLabel(s.provider))}</span></td>
    <td>${esc(s.model)}</td>
    <td class="num"><span class="pill amber">🔥 ${fmtInt(s.heat)}</span></td>
    <td class="num">${fmtInt(s.count)}</td>
    <td title="${esc(s.intro || "")}">${esc((s.intro || "—").slice(0, 22))}</td>
    <td>${esc(s.remark || "—")}</td>
    <td class="num">${fmtInt(s.real_cnt)}</td>
    <td>
      <button class="btn small" data-edit-si="${s.id}" data-provider="${esc(s.provider)}" data-model="${esc(s.model)}" data-heat="${s.heat}" data-count="${s.count}" data-intro="${esc(s.intro || "")}" data-remark="${esc(s.remark || "")}">编辑</button>
      <button class="btn small danger" data-del-si="${s.id}">删除</button>
    </td>
  </tr>`).join("");
}

async function loadSettings() {
  const s = await api("/api/admin/settings");
  if ($("#set-watermark")) $("#set-watermark").value = s.watermark || "";
  if ($("#set-topn")) $("#set-topn").value = s.top_n || 10;
}

function editSpeedItem(btn) {
  const provider = prompt("提供商：", btn.dataset.provider || "") ?? btn.dataset.provider;
  const model = prompt("模型名称：", btn.dataset.model || "");
  if (model === null) return;
  const heat = prompt("热度（数字）：", btn.dataset.heat || "0");
  const count = prompt("个数（展示提交数，0=自动）：", btn.dataset.count || "0");
  const intro = prompt("配置简介：", btn.dataset.intro || "");
  const remark = prompt("备注：", btn.dataset.remark || "");
  const body = {
    provider: provider || "", model: model || "",
    heat: parseInt(heat) || 0, count: parseInt(count) || 0,
    intro: intro || "", remark: remark || "",
  };
  api(`/api/admin/speed-items/${btn.dataset.editSi}`, "PUT", body).then(() => { toast("已保存"); loadSpeedItems(); });
}

function openCapEditor(c) {
  capEditId = c ? c.id : null;
  $("#cap-edit-title").textContent = c ? `编辑能力测试 #${c.id}` : "新增能力测试";
  $("#ce-name").value = c ? c.name : "";
  $("#ce-category").value = c ? c.category : "";
  $("#ce-icon").value = c ? c.icon : "🧪";
  $("#ce-sort").value = c ? c.sort : 0;
  $("#ce-desc").value = c ? c.description : "";
  $("#ce-items").value = c ? JSON.stringify(c.items || [], null, 2) : '[{"title":"题目1","prompt":"提示词内容","expect":"期望结果"}]';
  $("#ce-status").checked = c ? !!c.status : true;
  $("#cap-mask").hidden = false;
}

function parseItems(text) {
  const t = (text || "").trim();
  if (!t) return [];
  let arr;
  try { arr = JSON.parse(t); }
  catch (e) { throw new Error("测试项 JSON 格式错误：" + e.message); }
  if (!Array.isArray(arr)) throw new Error("测试项必须是 JSON 数组");
  return arr;
}

async function saveCapEditor() {
  const name = $("#ce-name").value.trim();
  if (!name) { toast("请填写名称"); return; }
  let items;
  try { items = parseItems($("#ce-items").value); }
  catch (e) { toast(e.message); return; }
  const body = {
    name, category: $("#ce-category").value.trim(), icon: $("#ce-icon").value.trim() || "🧪",
    sort: parseInt($("#ce-sort").value) || 0, description: $("#ce-desc").value.trim(),
    items, status: $("#ce-status").checked ? 1 : 0,
  };
  try {
    if (capEditId) await api(`/api/admin/capabilities/${capEditId}`, "PUT", body);
    else await api("/api/admin/capabilities", "POST", body);
    toast("已保存");
    $("#cap-mask").hidden = true;
    loadCaps();
  } catch (e) { toast("保存失败：" + e.message); }
}

/* ───────────────────────── 事件绑定 ───────────────────────── */
function bindIndex() {
  $$("#lb th[data-sort]").forEach((th) => th.addEventListener("click", () => sortClick(th.dataset.sort)));
  const gen = $("#lb-chart-gen");
  if (gen) gen.addEventListener("click", genLbChart);
  const dl = $("#lb-chart-dl");
  if (dl) dl.addEventListener("click", () => { if (!lbChartUrl) { toast("请先生成图表"); return; } dlChartUrl(); });
  const all = $("#lb-chart-all");
  if (all) all.addEventListener("click", () => { lbModels.forEach((m) => lbSelected.add(m.key)); renderLbChips(); });
  const none = $("#lb-chart-none");
  if (none) none.addEventListener("click", () => { lbSelected.clear(); renderLbChips(); });
  // +对比按钮 / 详情链接
  const tb = $("#lb tbody");
  if (tb) tb.addEventListener("click", (e) => {
    const btn = e.target.closest("[data-cart]");
    if (btn) { e.preventDefault(); cartAdd(btn.dataset.cart); }
  });
  bindSearch();
  bindCartBar();
}

function bindModel() {
  const gen = $("#m-chart-gen");
  if (gen) gen.addEventListener("click", genModelChart);
  const copy = $("#m-chart-copy");
  if (copy) copy.addEventListener("click", () => {
    const ta = $("#m-chart-csv");
    ta.select();
    if (navigator.clipboard && navigator.clipboard.writeText) navigator.clipboard.writeText(ta.value).then(() => toast("已复制"));
    else { document.execCommand("copy"); toast("已复制"); }
  });
  const dl = $("#m-chart-dl");
  if (dl) dl.addEventListener("click", () => {
    if (!modelChartUrl) { toast("请先生成图表"); return; }
    const a = document.createElement("a");
    a.href = modelChartUrl;
    a.download = "model_chart.png";
    document.body.appendChild(a); a.click(); a.remove();
  });
  const body = $("#md-submissions");
  if (body) body.addEventListener("click", (e) => {
    const link = e.target.closest(".s-link");
    if (link) { e.preventDefault(); openSubmission(link.dataset.sid); }
  });
}

function bindCapabilities() {
  const close = $("#cap-close");
  if (close) {
    close.addEventListener("click", () => { $("#cap-mask").hidden = true; });
    $("#cap-mask").addEventListener("click", (e) => { if (e.target === $("#cap-mask")) $("#cap-mask").hidden = true; });
  }
}

function bindCompare() {
  const all = $("#cmp-all");
  if (all) all.addEventListener("click", () => { cmpModels.forEach((m) => { cmpSelected.add(m.key); if (!cmpOrder.includes(m.key)) cmpOrder.push(m.key); }); renderCmpChips(); });
  const none = $("#cmp-none");
  if (none) none.addEventListener("click", () => { cmpSelected.clear(); cmpOrder = []; renderCmpChips(); });
  const clearCart = $("#cmp-clear-cart");
  if (clearCart) clearCart.addEventListener("click", () => { cartClear(); initCompare(); });
  const run = $("#cmp-run");
  if (run) run.addEventListener("click", runCompare);
  const gen = $("#cmp-chart-gen");
  if (gen) gen.addEventListener("click", genCmpChart);
  const dl = $("#cmp-chart-dl");
  if (dl) dl.addEventListener("click", () => {
    if (!cmpChartUrl) { toast("请先生成图表"); return; }
    const a = document.createElement("a");
    a.href = cmpChartUrl;
    a.download = "模型运行速度对比图.png";
    document.body.appendChild(a); a.click(); a.remove();
  });
  renderCmpColToggles();
  renderSeriesCfg();
  bindCartBar();
}

function bindAdmin() {
  const login = $("#btn-login");
  if (login) login.addEventListener("click", async () => {
    const u = $("#login-user").value.trim();
    const p = $("#login-pass").value;
    try {
      await api("/api/admin/login", "POST", { username: u, password: p });
      $("#login-err").hidden = true;
      checkAdmin();
    } catch (e) {
      $("#login-err").hidden = false;
      $("#login-err").textContent = e.message;
    }
  });
  const logout = $("#btn-logout");
  if (logout) logout.addEventListener("click", async () => {
    await api("/api/admin/logout", "POST");
    location.reload();
  });
  $$("#admin-tabs button").forEach((b) => b.addEventListener("click", () => switchTab(b.dataset.tab)));

  // 提交管理
  const search = $("#sub-search");
  if (search) {
    search.addEventListener("keydown", (e) => { if (e.key === "Enter") { subQuery = search.value.trim(); loadSubmissions(true); } });
    $("#btn-search").addEventListener("click", () => { subQuery = search.value.trim(); loadSubmissions(true); });
  }
  $("#sub-prev").addEventListener("click", () => { if (subPage > 1) { subPage--; loadSubmissions(); } });
  $("#sub-next").addEventListener("click", () => { subPage++; loadSubmissions(); });
  const seed = $("#btn-seed");
  if (seed) seed.addEventListener("click", async () => {
    seed.disabled = true; seed.textContent = "生成中…";
    try {
      const r = await api("/api/seed-demo", "POST", {});
      toast(`已生成 ${r.seeded} 条演示数据`);
      loadSubmissions(true);
    } catch (e) { toast("生成失败：" + e.message); }
    seed.disabled = false; seed.textContent = "🎲 生成演示数据";
  });
  const subsTb = $("#subs tbody");
  subsTb.addEventListener("click", (e) => {
    const v = e.target.closest("[data-view]");
    const d = e.target.closest("[data-del]");
    const l = e.target.closest(".s-link");
    const h = e.target.closest("[data-hw]");
    if (v) { e.preventDefault(); openSubmission(v.dataset.view); }
    if (l) { e.preventDefault(); openSubmission(l.dataset.sid); }
    if (h) { editHardware(Number(h.dataset.hw)); }
    if (d) {
      const id = d.dataset.del;
      if (confirm(`确定删除提交 #${id}？`)) {
        api(`/api/submissions/${id}`, "DELETE").then(() => { toast("已删除"); loadSubmissions(); });
      }
    }
  });

  // 账号管理
  const addAcc = $("#btn-add-acc");
  if (addAcc) addAcc.addEventListener("click", async () => {
    const name = $("#acc-name").value.trim();
    const remark = $("#acc-remark").value.trim();
    if (!name) { toast("请输入账号名称"); return; }
    try {
      await api("/api/accounts", "POST", { name, remark });
      toast("账号已创建");
      $("#acc-name").value = ""; $("#acc-remark").value = "";
      loadAccounts();
    } catch (e) { toast(e.message); }
  });
  const accsTb = $("#accs tbody");
  accsTb.addEventListener("click", (e) => {
    const ed = e.target.closest("[data-edit]");
    const dl = e.target.closest("[data-del]");
    if (ed) {
      const name = prompt("账号名称：", ed.dataset.name);
      if (name === null) return;
      const remark = prompt("备注：", ed.dataset.remark) || "";
      api(`/api/accounts/${ed.dataset.edit}`, "PUT", { name, remark }).then(() => { toast("已保存"); loadAccounts(); });
    }
    if (dl) {
      const id = dl.dataset.del;
      if (confirm("删除该账号会同时删除其下所有提交，确定？")) {
        api(`/api/accounts/${id}`, "DELETE").then(() => { toast("已删除"); loadAccounts(); });
      }
    }
  });

  // 能力测试管理
  const capAdd = $("#btn-cap-add");
  if (capAdd) capAdd.addEventListener("click", () => openCapEditor(null));
  const capSeed = $("#btn-cap-seed");
  if (capSeed) capSeed.addEventListener("click", async () => {
    capSeed.disabled = true; capSeed.textContent = "生成中…";
    try {
      const r = await api("/api/seed-capabilities", "POST", {});
      toast(`已生成 ${r.seeded} 项能力测试`);
      loadCaps();
    } catch (e) { toast("生成失败：" + e.message); }
    capSeed.disabled = false; capSeed.textContent = "🎲 生成演示能力测试";
  });
  const capsTb = $("#caps tbody");
  capsTb.addEventListener("click", async (e) => {
    const ed = e.target.closest("[data-edit-cap]");
    const dl = e.target.closest("[data-del-cap]");
    if (ed) {
      const list = await api("/api/admin/capabilities");
      const c = list.find((x) => x.id === Number(ed.dataset.editCap));
      if (c) openCapEditor(c);
    }
    if (dl) {
      const id = dl.dataset.delCap;
      if (confirm(`确定删除能力测试 #${id}？`)) {
        api(`/api/admin/capabilities/${id}`, "DELETE").then(() => { toast("已删除"); loadCaps(); });
      }
    }
  });
  const ceSave = $("#ce-save");
  if (ceSave) ceSave.addEventListener("click", saveCapEditor);
  const ceCancel = $("#ce-cancel");
  if (ceCancel) ceCancel.addEventListener("click", () => { $("#cap-mask").hidden = true; });
  const ceClose = $("#cap-edit-close");
  if (ceClose) ceClose.addEventListener("click", () => { $("#cap-mask").hidden = true; });

  // 提交详情弹窗关闭
  const subClose = $("#sub-close");
  if (subClose) {
    subClose.addEventListener("click", () => { $("#sub-mask").hidden = true; });
    $("#sub-mask").addEventListener("click", (e) => { if (e.target === $("#sub-mask")) $("#sub-mask").hidden = true; });
  }

  // 速度项管理
  const siAdd = $("#btn-si-add");
  if (siAdd) siAdd.addEventListener("click", () => {
    const provider = prompt("提供商：", "") || "";
    const model = prompt("模型名称：", "");
    if (!model) { toast("请填写模型名称"); return; }
    const heat = prompt("热度：", "0") || 0;
    const count = prompt("个数（展示提交数，0=自动）：", "0") || 0;
    const intro = prompt("配置简介：", "") || "";
    api("/api/admin/speed-items", "POST", { provider, model, heat: parseInt(heat) || 0, count: parseInt(count) || 0, intro })
      .then((r) => { if (!r.ok) throw new Error(r.error || "添加失败"); toast("已添加"); loadSpeedItems(); })
      .catch((e) => toast(e.message));
  });
  const siSync = $("#btn-si-sync");
  if (siSync) siSync.addEventListener("click", async () => {
    siSync.disabled = true; siSync.textContent = "同步中…";
    try {
      const r = await api("/api/admin/speed-items/sync", "POST", {});
      toast(`已同步 ${r.added} 个速度项`);
      loadSpeedItems();
    } catch (e) { toast("同步失败：" + e.message); }
    siSync.disabled = false; siSync.textContent = "🔄 从提交同步";
  });
  const siTb = $("#si tbody");
  if (siTb) siTb.addEventListener("click", (e) => {
    const ed = e.target.closest("[data-edit-si]");
    const dl = e.target.closest("[data-del-si]");
    if (ed) editSpeedItem(ed);
    if (dl) {
      if (confirm(`确定删除速度项 #${dl.dataset.delSi}？`)) {
        api(`/api/admin/speed-items/${dl.dataset.delSi}`, "DELETE").then(() => { toast("已删除"); loadSpeedItems(); });
      }
    }
  });

  // 设置
  const save = $("#btn-settings-save");
  if (save) save.addEventListener("click", async () => {
    const body = {
      watermark_text: $("#set-watermark").value.trim(),
      top_n: parseInt($("#set-topn").value) || 10,
    };
    try {
      await api("/api/admin/settings", "PUT", body);
      const st = $("#set-status");
      st.textContent = "✅ 已保存，刷新页面生效";
      setTimeout(() => { st.textContent = ""; }, 3000);
      toast("设置已保存");
    } catch (e) { toast("保存失败：" + e.message); }
  });
}

/* ───────────────────────── 初始化 ───────────────────────── */
document.addEventListener("DOMContentLoaded", () => {
  navActive();
  const page = location.pathname.split("/").pop() || "index.html";
  if (page === "index.html" || page === "") {
    loadStats();
    loadLeaderboard();
    bindIndex();
  } else if (page === "model.html") {
    loadModel();
    bindModel();
  } else if (page === "capabilities.html") {
    loadCapabilities();
    bindCapabilities();
  } else if (page === "compare.html") {
    initCompare();
    bindCompare();
  } else if (page === "admin.html") {
    checkAdmin();
    bindAdmin();
  }
  document.addEventListener("keydown", (e) => {
    if (e.key === "Escape") { $("#sub-mask").hidden = true; $("#cap-mask").hidden = true; }
  });
});