"use strict";
/* ==========================================================================
   A · 装配线 Flowline —— 来源 → 加工 → 发布 → 审计 四工位水平因果链。
   数据卡是线上工件，真实事件沿发丝导线从触发的那一工位接力到下一工位。
   ========================================================================== */
(function () {
  const C = window.Core, S = window.HubShared;
  const { $, esc, timeShort } = C;
  let root = null;
  let unsubs = [];
  let stationFlashTimers = {};
  let mounted = false;
  let pendingTimers = [];
  /* 布局随时可能被切走：任何跨阶段延时回调都必须先确认还挂载着，
     否则 unmount 之后残留的 setTimeout 会在 root=null 时报错。 */
  function safeTimeout(fn, ms) {
    const id = setTimeout(() => { if (mounted) fn(); }, ms);
    pendingTimers.push(id);
    return id;
  }

  const SKELETON = `
    <div id="fl-root" class="page-shell">
      <section id="fl-band" class="card">
        <div class="lane-labels">
          <span class="sec-label">来源 SOURCES</span>
          <span class="sec-label">加工 PROCESS</span>
          <span class="sec-label">发布 PUBLISH</span>
          <span class="sec-label">审计 AUDIT</span>
        </div>
        <div id="fl-wire"><span class="chev" style="left:26%">&rsaquo;</span><span class="chev" style="left:57%">&rsaquo;</span><span class="chev" style="left:80%">&rsaquo;</span></div>
        <div id="fl-lanes">
          <div id="fl-srcCards"></div>
          <div id="fl-process" class="card fl-station" data-station="process">
            <div class="hd"><span class="nm">中枢处理</span><span class="grow"></span><span data-pct class="mono">-</span></div>
            <div id="fl-processBody"></div>
          </div>
          <div id="fl-publish" class="card fl-station fl-gate" data-station="publish">
            <div class="hd"><span class="nm">发布闸口</span><span class="grow"></span><span class="sec-label">GATE</span></div>
            <div id="fl-publishBody"></div>
          </div>
          <div id="fl-audit" class="card fl-station fl-audit" data-station="audit">
            <div class="hd"><span class="nm">审计末端</span></div>
            <div id="fl-auditBody"></div>
          </div>
        </div>
        <div id="fl-packet"></div>
      </section>

      <div id="fl-cols">
        <section id="fl-col1" class="card fl-col">
          <span class="sec-label">最近调用 RECENT CALLS</span>
          <div id="fl-callsTable"></div>
          <div id="fl-callsFoot"></div>
        </section>
        <section id="fl-col2" class="card fl-col">
          <span class="sec-label">调度任务 JOBS</span>
          <div id="fl-jobRows"></div>
          <span class="sec-label sub-label">最近运行 RUNS</span>
          <div id="fl-runsTable"></div>
        </section>
        <section id="fl-col3" class="card fl-col">
          <span class="sec-label">盘后发布 RELEASE</span>
          <div class="toolrow">
            <input id="fl-rel-date" value="" spellcheck="false" />
            <button type="button" class="btn" id="fl-rel-load">查看</button>
            <button type="button" class="btn danger" id="fl-rel-backfill">补数</button>
          </div>
          <span class="sec-label sub-label">当前映射 MAPPING</span>
          <div id="fl-pubTable"></div>
          <div id="fl-anom" class="fl-anom"></div>
        </section>
      </div>
    </div>
  `;

  function srcCardHtml(item) {
    const health = item.health || {};
    const link = item._link || C.linkState(health);
    const cred = item.credential || {};
    const credText = cred.configured ? `已配置 · ${esc(cred.last4 || "****")}` : "未配置";
    return `
      <div class="fl-src-card card" data-provider="${esc(item.provider)}">
        <div class="edge"></div>
        <div class="row">
          <span class="name">${esc(C.FLOW_LABEL[item.provider] || item.provider)}</span>
          <span class="role">${esc(C.FLOW_ROLE[item.provider] || item.role)}</span>
          <span class="grow"></span>
          ${C.chipHtml(link, health.state || link)}
        </div>
        <div class="row">
          <span class="lamps"><i class="lamp link ${C.linkLampClass(link)}" data-link></i><span class="lamp-tag">LINK</span></span>
          <span class="lamps"><i class="lamp act" data-act></i><span class="lamp-tag">ACT</span></span>
          <span class="grow"></span>
          <span class="lat mono">${health.latency_ms == null ? "-" : health.latency_ms + "ms"}</span>
        </div>
        <div class="row">
          <span class="cred mono">${credText}</span><span class="grow"></span>
          <button class="btn ghost mini" data-probe="${esc(item.provider)}">探测一次</button>
        </div>
      </div>`;
  }

  function renderSources() {
    const v = S.sourcesView();
    const host = $("fl-srcCards");
    if (!v) { host.innerHTML = `<div class="muted">正在加载…</div>`; return; }
    host.innerHTML = v.live.map(srcCardHtml).join("") +
      (v.reserved.length ? `<div class="fl-src-card card muted" style="align-items:center;justify-content:center;font-size:12px;grid-column: 1 / -1">预留源 ${v.reserved.length} 个 · 未接入 · 无真实调用</div>` : "");
    S.bindProbeButtons(host);
  }

  function renderProcess() {
    const jv = S.jobsView();
    const body = $("fl-processBody");
    const pctEl = root.querySelector('[data-pct]');
    if (!jv || !jv.latest) { body.innerHTML = `<div class="muted">正在加载…</div>`; return; }
    const latest = jv.latest;
    const running = jv.runs.filter((r) => r.state === "running").length;
    const pct = latest.state === "running" ? 62 : latest.state === "success" ? 100 : latest.state === "failed" ? 100 : 0;
    pctEl.textContent = latest.state === "running" ? `${pct}%` : "空闲";
    body.innerHTML = `
      <div class="task mono"><b>${esc(latest.job_id)}</b> · ${esc((jv.jobs.find((j) => j.id === latest.job_id) || {}).title || "")}</div>
      <div class="fl-pbar"><i style="width:${pct}%;background:${latest.state === "failed" ? "var(--error)" : "var(--action)"}"></i></div>
      <div class="queue">队列 <b class="mono">${running}</b> · 最近 20 次失败 <span class="chip ${jv.failedRecent ? "err" : "ok"}">${jv.failedRecent}</span></div>
      <div class="fl-miniruns">
        ${jv.runs.slice(0, 3).map((r) => `<div class="mr mono"><span class="id">${r.id}</span><span class="${r.state === "failed" ? "fail" : r.state === "running" ? "warn" : "ok"}">${esc(r.state)}</span><span class="${r.error ? "why" : "muted"}">${esc(r.error || (r.finished_at !== "-" && r.finished_at ? timeShort(r.finished_at) : "—"))}</span></div>`).join("")}
      </div>`;
  }

  function renderPublish() {
    const rv = S.releaseView();
    const body = $("fl-publishBody");
    if (!rv) { body.innerHTML = `<div class="muted">正在加载…</div>`; return; }
    const valuation = rv.pubs.find((p) => p.dataset === "valuation");
    const latestPub = rv.pubs.slice().sort((a, b) => String(a.published_at).localeCompare(String(b.published_at))).pop();
    body.innerHTML = `
      <div class="bignum"><span class="n mono" data-pubnum>${rv.pubs.length}</span><span class="cap">今日发布</span></div>
      <div class="latest mono">最新批次 ${esc(latestPub ? `${latestPub.active_batch} · ${latestPub.published_at}` : "暂无")}</div>
      ${valuation ? `<div class="valrow"><span class="mono">valuation</span>${C.chipHtml(valuation.state)}</div>` : ""}`;
  }

  function renderAudit() {
    const av = S.auditView();
    const body = $("fl-auditBody");
    if (!av || !av.items.length) { body.innerHTML = `<div class="muted">正在加载…</div>`; return; }
    const a0 = av.items[0];
    body.innerHTML = `
      <div class="al mono">${esc(timeShort(a0.created_at))} ${esc(a0.actor)} · ${esc(a0.action)}</div>
      <div class="al mono dim">${esc(a0.target)}${a0.detail ? " · " + esc(a0.detail) : ""}</div>
      <div class="adiv"></div>
      ${av.items.slice(1, 3).map((a) => `<div class="al mono dim">${esc(timeShort(a.created_at))} ${esc(a.actor)} · ${esc(a.action)}</div>`).join("")}`;
  }

  function renderCalls() {
    const ov = S.overviewView();
    const sv = S.sourcesView();
    if (!ov) { $("fl-callsTable").innerHTML = `<div class="muted">正在加载…</div>`; return; }
    $("fl-callsTable").innerHTML = C.table(["时间", "源", "端点", "结果", "耗时"], ov.recentCalls.map((row) => [
      `<span class="mono">${esc(timeShort(row.created_at))}</span>`,
      `<span class="mono k">${esc(row.provider)}</span>`,
      `<span class="mono">${esc(row.endpoint)}</span>`,
      row.ok ? '<span class="res-ok">成功</span>' : `<span class="res-err mono">${esc(row.error)}</span>`,
      `<span class="mono">${row.latency_ms ?? "-"} ms</span>`,
    ]));
    if (sv) {
      $("fl-callsFoot").textContent = "今日调用 · " + sv.live.map((s) => `${s.provider} ${s.calls_today ?? 0}`).join(" · ");
    }
  }

  function renderJobsCol() {
    const jv = S.jobsView();
    const jobRows = $("fl-jobRows");
    if (!jv) { jobRows.innerHTML = `<div class="muted">正在加载…</div>`; return; }
    jobRows.innerHTML = jv.jobs.map((job) => `
      <div class="fl-jobrow">
        <span class="jid mono">${esc(job.id)}</span><span class="jti">${esc(job.title)}</span>
        <span class="jat mono">${esc(job.at)}</span>${C.chipHtml(jv.latestByJob.get(job.id) ? jv.latestByJob.get(job.id).state : "idle")}
        <span class="grow"></span><button class="btn ghost mini" data-run="${esc(job.id)}">手动触发</button>
      </div>`).join("");
    S.bindRunButtons(jobRows);
    $("fl-runsTable").innerHTML = C.table(["ID", "任务", "状态", "开始", "结束", "错误"], jv.runs.map((r) => [
      `<span class="mono">${r.id}</span>`, `<span class="mono k">${esc(r.job_id)}</span>`,
      `<span class="mono ${r.state === "failed" ? "fail" : r.state === "running" ? "warn" : "ok"}">${esc(r.state)}</span>`,
      `<span class="mono">${esc(timeShort(r.started_at))}</span>`, `<span class="mono">${esc(timeShort(r.finished_at))}</span>`,
      `<span class="fail">${esc(r.error || "")}</span>`,
    ]));
  }

  function renderReleaseCol() {
    const rv = S.releaseView();
    const dateInput = $("fl-rel-date");
    if (!dateInput.value) dateInput.value = C.state.releaseDate;
    if (!rv) { $("fl-pubTable").innerHTML = `<div class="muted">正在加载…</div>`; return; }
    $("fl-pubTable").innerHTML = C.table(["数据集", "活跃批次", "上一批次", "状态", "发布时间", "操作"], rv.pubs.map((p) => [
      `<span class="mono k">${esc(p.dataset)}</span>`, `<span class="mono">${esc(p.active_batch)}</span>`,
      `<span class="mono">${esc(p.prev_batch || "-")}</span>`, C.chipHtml(p.state),
      `<span class="mono">${esc(p.published_at)}</span>`,
      p.prev_batch ? `<button class="btn danger mini" data-rollback="${esc(p.dataset)}">回滚</button>` : "-",
    ]));
    S.bindRollbackButtons($("fl-pubTable"), () => renderReleaseCol());
    const failed = rv.batches.filter((b) => b.state === "failed" || b.state === "error");
    $("fl-anom").innerHTML = failed.length
      ? failed.map((b) => `<span class="chip err mono">${esc(b.batch_id)} · ${esc(b.dataset)} · ${esc(b.error || "异常")}</span>`).join(" ")
      : `<span class="chip ok">批次全部正常</span>`;
  }

  function refresh() {
    if (!root) return;
    renderSources(); renderProcess(); renderPublish(); renderAudit();
    renderCalls(); renderJobsCol(); renderReleaseCol();
  }

  /* ---------------------------------------------------------------- 真实事件动效
     水平接力：source ACT 闪 → 沿导线光梭滑到 process → process 高亮 → 光梭滑到
     publish → publish 高亮 → 光梭滑到 audit → audit 高亮。reduced 时只做状态高亮，
     不做位移。 */
  function flashSource(provider, kind) {
    const card = root.querySelector(`.fl-src-card[data-provider="${provider}"]`);
    if (!card) return;
    const act = card.querySelector("[data-act]");
    act.classList.remove("on", "err");
    act.classList.add("on"); if (kind === "error" || kind === "rollback") act.classList.add("err");
    const edge = card.querySelector(".edge");
    edge.classList.toggle("err", kind === "error");
    edge.style.opacity = "1";
    clearTimeout(card._flashTimer);
    card._flashTimer = setTimeout(() => { act.classList.remove("on", "err"); edge.style.opacity = "0"; }, 820);
    return card;
  }

  function pulseStation(key, ms) {
    const el = root.querySelector(`.fl-station[data-station="${key}"]`);
    if (!el) return;
    el.classList.add("pulse");
    clearTimeout(stationFlashTimers[key]);
    stationFlashTimers[key] = setTimeout(() => el.classList.remove("pulse"), ms || 640);
  }

  function travelPacket(fromEl, toEl, color) {
    if (!fromEl || !toEl || C.state.reduced) return;
    const pk = $("fl-packet");
    const band = $("fl-band").getBoundingClientRect();
    const a = fromEl.getBoundingClientRect(), b = toEl.getBoundingClientRect();
    const x0 = a.left + a.width / 2 - band.left, y0 = a.top + a.height / 2 - band.top;
    const x1 = b.left + b.width / 2 - band.left, y1 = b.top + b.height / 2 - band.top;
    pk.style.background = color || "var(--packet)";
    pk.style.top = y0 - 1.5 + "px"; pk.style.left = x0 - 17 + "px"; pk.style.opacity = "0";
    if (pk._anim) pk._anim.cancel();
    pk._anim = pk.animate([
      { transform: "translate(0,0)", opacity: 0 },
      { transform: "translate(0,0)", opacity: 1, offset: .08 },
      { transform: `translate(${x1 - x0}px, ${y1 - y0}px)`, opacity: 1, offset: .92 },
      { transform: `translate(${x1 - x0}px, ${y1 - y0}px)`, opacity: 0 },
    ], { duration: 640, easing: "linear" });
    pk._anim.onfinish = () => { pk.style.opacity = "0"; };
  }

  function onEvent(evt) {
    if (!root || !mounted) return;
    const process = root.querySelector('.fl-station[data-station="process"]');
    const publish = root.querySelector('.fl-station[data-station="publish"]');
    const audit = root.querySelector('.fl-station[data-station="audit"]');
    if (C.FLOW_PROVIDERS.includes(evt.channel)) {
      const card = flashSource(evt.channel, evt.kind);
      safeTimeout(() => { travelPacket(card, process, evt.kind === "error" ? "var(--error)" : "var(--packet)"); pulseStation("process", 700); }, 260);
      renderCalls();
    } else if (evt.channel === "junction") {
      pulseStation("process", 700);
      safeTimeout(() => { travelPacket(process, publish, "var(--packet)"); pulseStation("publish", 700); renderProcess(); }, 260);
    } else if (evt.channel === "tx") {
      pulseStation("publish", 700);
      safeTimeout(() => { travelPacket(publish, audit, evt.kind === "rollback" ? "var(--error)" : "var(--packet)"); pulseStation("audit", 700); renderPublish(); renderReleaseCol(); }, 260);
    } else if (evt.channel === "audit") {
      pulseStation("audit", 700);
      renderAudit();
    }
  }

  function mount(el) {
    root = el;
    mounted = true;
    root.innerHTML = SKELETON;
    refresh();
    S.bindReleaseDateReload(root, "#fl-rel-date", "#fl-rel-load", () => renderReleaseCol());
    S.bindBackfillButton(root, "#fl-rel-backfill", () => renderReleaseCol());
    unsubs.push(C.Bus.on("data", refresh));
    unsubs.push(C.Bus.on("event", onEvent));
  }
  function unmount() {
    mounted = false;
    unsubs.forEach((fn) => fn()); unsubs = [];
    Object.values(stationFlashTimers).forEach(clearTimeout); stationFlashTimers = {};
    pendingTimers.forEach(clearTimeout); pendingTimers = [];
    root = null;
  }

  window.HUB_LAYOUTS = window.HUB_LAYOUTS || {};
  window.HUB_LAYOUTS.flowline = { mount, unmount };
})();