"use strict";
/* ==========================================================================
   C · 地层剖面 Strata —— 来源层 → 加工层 → 发布层 → 审计沉积层 四条全宽横带。
   真实事件自上而下贯穿（脊线上的光点从上一层滑到下一层）；点击任一层的项目
   进入"选中"态，用同一颜色在其它层高亮可关联的真实行，解决跨层追踪费眼问题。
   ========================================================================== */
(function () {
  const C = window.Core, S = window.HubShared;
  const { $, esc, timeShort } = C;
  let root = null;
  let mounted = false;
  let pendingTimers = [];
  function safeTimeout(fn, ms) {
    const id = setTimeout(() => { if (mounted) fn(); }, ms);
    pendingTimers.push(id);
    return id;
  }
  let unsubs = [];
  let selection = null; // { type: 'provider'|'job'|'dataset', value }

  const SKELETON = `
    <div id="st-root" class="page-shell">
      <div id="st-spine"></div>
      <div id="st-dot"></div>

      <section class="st-band card" data-band="sources">
        <div class="st-idx"><span class="n">01</span><span class="lb">SOURCES<br/>来源层</span></div>
        <div id="st-sources"></div>
      </section>

      <section class="st-band card" data-band="process">
        <div class="st-idx"><span class="n">02</span><span class="lb">PROCESS<br/>加工层</span></div>
        <div id="st-process">
          <div class="st-jobs">
            <span class="sec-label">调度任务 JOBS</span>
            <div id="st-jobList"></div>
          </div>
          <div class="st-runs">
            <span class="sec-label">最近运行 RUNS</span>
            <div id="st-runsTable"></div>
          </div>
        </div>
      </section>

      <section class="st-band card" data-band="publish">
        <div class="st-idx"><span class="n">03</span><span class="lb">PUBLISH<br/>发布层</span></div>
        <div id="st-publish">
          <div class="st-gate">
            <span class="sec-label">盘后发布 RELEASE</span>
            <div class="bignum"><span class="n mono" id="st-pubnum">-</span><span class="cap">今日发布</span></div>
            <div class="win mono" id="st-pubwin"></div>
            <div class="toolrow" style="margin-top:8px;display:flex;gap:6px;">
              <input id="st-rel-date" style="width:88px;font-family:var(--font-mono);font-size:11px;background:var(--bg2);border:1px solid var(--line);border-radius:5px;padding:4px 6px;color:var(--t1)" />
              <button type="button" class="btn mini" id="st-rel-load">查看</button>
              <button type="button" class="btn danger mini" id="st-rel-backfill">补数</button>
            </div>
          </div>
          <div class="st-datasets">
            <span class="sec-label">数据集 DATASETS</span>
            <div id="st-datasetsTable"></div>
          </div>
        </div>
      </section>

      <section class="st-band card" data-band="audit">
        <div class="st-idx"><span class="n">04</span><span class="lb">AUDIT<br/>审计层</span></div>
        <div id="st-audit"></div>
      </section>
    </div>
  `;

  function applySelectionClasses() {
    root.querySelectorAll("[data-sel-provider]").forEach((el) => el.classList.toggle("sel", selection && selection.type === "provider" && el.dataset.selProvider === selection.value));
    root.querySelectorAll("[data-sel-job]").forEach((el) => el.classList.toggle("sel", selection && selection.type === "job" && el.dataset.selJob === selection.value));
    root.querySelectorAll("[data-rel-job]").forEach((el) => el.classList.toggle("hi", selection && selection.type === "job" && el.dataset.relJob === selection.value));
    root.querySelectorAll("[data-rel-dataset]").forEach((el) => el.classList.toggle("hi", selection && selection.type === "dataset" && el.dataset.relDataset === selection.value));
  }
  function setSelection(type, value) {
    selection = (selection && selection.type === type && selection.value === value) ? null : { type, value };
    applySelectionClasses();
  }

  function renderSources() {
    const v = S.sourcesView();
    const host = $("st-sources");
    if (!v) { host.innerHTML = `<div class="muted">正在加载…</div>`; return; }
    host.innerHTML = v.live.map((it) => {
      const health = it.health || {};
      const link = it._link || C.linkState(health);
      return `<div class="st-src card" data-sel-provider="${esc(it.provider)}" data-provider="${esc(it.provider)}">
        <div class="row">
          <span class="lamp link ${C.linkLampClass(link)}"></span>
          <span class="lamp act" data-act></span>
          <span class="nm">${esc(C.FLOW_LABEL[it.provider] || it.provider)}</span>
          ${C.chipHtml(link, health.state || link)}
        </div>
        <div class="sub">${esc(C.FLOW_ROLE[it.provider] || it.role)} · 配置 ${(it.credential || {}).configured ? "已配置" : "未配置"} · ${it.calls_today ?? 0} 次</div>
        <div class="row" style="margin-top:6px;justify-content:space-between">
          <span class="lat mono">${health.latency_ms == null ? "-" : health.latency_ms + "ms"}</span>
          <button class="btn ghost mini" data-probe="${esc(it.provider)}">探测一次</button>
        </div>
      </div>`;
    }).join("") + (v.reserved.length ? `<div class="st-reserved">预留 ${v.reserved.length} 个<br/>未接入</div>` : "");
    S.bindProbeButtons(host, () => renderSources());
    host.querySelectorAll(".st-src").forEach((el) => el.addEventListener("click", (e) => {
      if (e.target.closest("button")) return;
      setSelection("provider", el.dataset.provider);
    }));
    applySelectionClasses();
  }

  function renderProcess() {
    const v = S.jobsView();
    const jobHost = $("st-jobList");
    if (!v) { jobHost.innerHTML = `<div class="muted">正在加载…</div>`; return; }
    jobHost.innerHTML = v.jobs.map((job) => {
      const latest = v.latestByJob.get(job.id);
      return `<div class="st-job" data-sel-job="${esc(job.id)}" data-job="${esc(job.id)}">
        ${C.chipHtml(latest ? latest.state : "idle")}
        <span class="nm mono">${esc(job.id)}</span><span class="at mono">${esc(job.at)}</span>
        <button class="btn ghost mini" data-run="${esc(job.id)}">触发</button>
      </div>`;
    }).join("");
    S.bindRunButtons(jobHost, () => renderProcess());
    jobHost.querySelectorAll(".st-job").forEach((el) => el.addEventListener("click", (e) => {
      if (e.target.closest("button")) return;
      setSelection("job", el.dataset.job);
    }));
    $("st-runsTable").innerHTML = C.table(["ID", "任务", "状态", "开始", "结束", "错误"], v.runs.map((r) => [
      `<span class="mono" data-rel-job="${esc(r.job_id)}">${r.id}</span>`,
      `<span class="mono k">${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>`,
    ]));
    root.querySelectorAll("#st-runsTable tr").forEach((tr, i) => {
      if (i === 0) return;
      const run = v.runs[i - 1]; if (run) tr.dataset.relJob = run.job_id;
    });
    applySelectionClasses();
  }

  function renderPublish() {
    const v = S.releaseView();
    const dateInput = $("st-rel-date");
    if (!dateInput.value) dateInput.value = C.state.releaseDate;
    if (!v) { $("st-pubnum").textContent = "-"; $("st-datasetsTable").innerHTML = `<div class="muted">正在加载…</div>`; return; }
    $("st-pubnum").textContent = v.pubs.length;
    const eod = (S.overviewView() || {}).eod || {};
    $("st-pubwin").textContent = eod.state === "waiting_upstream" ? `等待上游 · 已试 ${eod.attempts ?? "-"} 次` : "";
    $("st-datasetsTable").innerHTML = C.table(["数据集", "活跃批次", "上一批次", "状态", "发布时间", "操作"], v.pubs.map((p) => [
      `<span class="mono k" data-rel-dataset="${esc(p.dataset)}">${esc(p.dataset)}</span>`,
      `<span class="mono">${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="${esc(p.dataset)}">回滚</button>` : "-",
    ]));
    root.querySelectorAll("#st-datasetsTable tr").forEach((tr, i) => {
      if (i === 0) return;
      const p = v.pubs[i - 1]; if (p) tr.dataset.relDataset = p.dataset;
    });
    S.bindRollbackButtons($("st-datasetsTable"), () => renderPublish());
    applySelectionClasses();
  }

  function renderAudit() {
    const v = S.auditView();
    const host = $("st-audit");
    if (!v) { host.innerHTML = `<div class="muted">正在加载…</div>`; return; }
    host.innerHTML = v.items.slice(0, 8).map((a) => `
      <div class="st-audit-line ${String(a.action).includes("rollback") ? "warn" : ""}">
        ${esc(timeShort(a.created_at))} <b>${esc(a.actor)}</b> ${esc(a.action)} · ${esc(a.target)}${a.detail ? " · " + esc(a.detail) : ""}
      </div>`).join("");
  }

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

  /* ---------------------------------------------------------------- 纵向贯穿动效 */
  const BAND_ORDER = ["sources", "process", "publish", "audit"];
  function pulseBand(key, err) {
    if (!root) return;
    const el = root.querySelector(`.st-band[data-band="${key}"]`);
    if (!el) return;
    el.classList.add("pulse"); el.classList.toggle("err", !!err);
    clearTimeout(el._t);
    el._t = setTimeout(() => el.classList.remove("pulse", "err"), 700);
  }
  function travelSpine(fromKey, toKey) {
    if (C.state.reduced || !root) return;
    const dot = $("st-dot");
    const a = root.querySelector(`.st-band[data-band="${fromKey}"]`);
    const b = root.querySelector(`.st-band[data-band="${toKey}"]`);
    if (!a || !b) return;
    const rootRect = $("st-root").getBoundingClientRect();
    const ar = a.getBoundingClientRect(), br = b.getBoundingClientRect();
    const y0 = ar.top - rootRect.top + 20, y1 = br.top - rootRect.top + 20;
    dot.style.top = y0 + "px"; dot.style.opacity = "0";
    if (dot._anim) dot._anim.cancel();
    dot._anim = dot.animate([
      { transform: "translateY(0)", opacity: 0 },
      { transform: "translateY(0)", opacity: 1, offset: .1 },
      { transform: `translateY(${y1 - y0}px)`, opacity: 1, offset: .9 },
      { transform: `translateY(${y1 - y0}px)`, opacity: 0 },
    ], { duration: 620, easing: "linear" });
  }

  function onEvent(evt) {
    if (!root || !mounted) return;
    if (C.FLOW_PROVIDERS.includes(evt.channel)) {
      const act = root.querySelector(`.st-src[data-provider="${evt.channel}"] [data-act]`);
      if (act) {
        act.classList.remove("on", "err"); act.classList.add("on"); if (evt.kind === "error") act.classList.add("err");
        setTimeout(() => act.classList.remove("on", "err"), 800);
      }
      pulseBand("sources", evt.kind === "error");
      safeTimeout(() => { travelSpine("sources", "process"); pulseBand("process"); renderSources(); }, 200);
    } else if (evt.channel === "junction") {
      pulseBand("process", evt.kind === "error");
      safeTimeout(() => { travelSpine("process", "publish"); pulseBand("publish"); renderProcess(); }, 200);
    } else if (evt.channel === "tx") {
      pulseBand("publish", evt.kind === "rollback");
      safeTimeout(() => { travelSpine("publish", "audit"); pulseBand("audit", evt.kind === "rollback"); renderPublish(); }, 200);
    } else if (evt.channel === "audit") {
      pulseBand("audit", evt.kind === "rollback");
      renderAudit();
    }
  }

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

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