/**
 * 关键位监控添加表单：类型切换显隐、成交量排名校验（四所实例共用）。
 */
(function (global) {
  const RS_TYPES = new Set([
    "关键支撑阻力",
    "关键阻力位",
    "关键支撑位",
  ]);

  function syncKeyMonitorFormFields() {
    const typeEl = document.querySelector('#key-form [name="type"]');
    const dirEl = document.getElementById("key-direction");
    const modeEl = document.getElementById("key-sl-tp-mode");
    const manualTp = document.getElementById("key-manual-tp");
    const beWrap = document.getElementById("key-breakeven-wrap");
    if (!typeEl) return;
    const t = (typeEl.value || "").trim();
    const autoTypes = new Set(["箱体突破", "收敛突破"]);
    const fibTypes = new Set(["斐波回调0.618", "斐波回调0.786"]);
    const fbTypes = new Set(["假突破"]);
    const teTypes = new Set(["触价开仓"]);
    const showAuto = autoTypes.has(t);
    const showFb = fbTypes.has(t);
    const showTe = teTypes.has(t);
    const showBe = showAuto || fibTypes.has(t) || showFb || showTe;
    const showDir = !RS_TYPES.has(t);
    const upperEl = document.getElementById("key-upper");
    const lowerEl = document.getElementById("key-lower");
    const fbPriceEl = document.getElementById("key-fb-price");
    const teEntryEl = document.getElementById("key-trigger-entry");
    const teSlEl = document.getElementById("key-trigger-sl");
    const teTpEl = document.getElementById("key-trigger-tp");
    if (dirEl) {
      dirEl.style.display = showDir ? "" : "none";
      dirEl.required = showDir;
      if (!showDir) dirEl.value = "";
    }
    if (modeEl) modeEl.style.display = showAuto ? "" : "none";
    if (manualTp) {
      const trend = showAuto && modeEl && modeEl.value === "trend_manual";
      manualTp.style.display = trend ? "" : "none";
      manualTp.required = !!trend;
    }
    if (beWrap) beWrap.style.display = showBe ? "inline-flex" : "none";
    if (global.TimeCloseUI) global.TimeCloseUI.syncKeyTimeCloseVisibility(showBe);
    const hideBounds = showFb || showTe;
    if (upperEl) {
      upperEl.style.display = hideBounds ? "none" : "";
      upperEl.required = !hideBounds;
      if (hideBounds) upperEl.value = "";
    }
    if (lowerEl) {
      lowerEl.style.display = hideBounds ? "none" : "";
      lowerEl.required = !hideBounds;
      if (hideBounds) lowerEl.value = "";
    }
    if (fbPriceEl) {
      fbPriceEl.style.display = showFb ? "" : "none";
      fbPriceEl.required = showFb;
      if (!showFb) fbPriceEl.value = "";
      fbPriceEl.placeholder =
        dirEl && dirEl.value === "short"
          ? "高点（阻力）"
          : dirEl && dirEl.value === "long"
            ? "低点（支撑）"
            : "做空填高点/做多填低点";
    }
    [teEntryEl, teSlEl, teTpEl].forEach((el) => {
      if (!el) return;
      el.style.display = showTe ? "" : "none";
      el.required = showTe;
      if (!showTe) el.value = "";
    });
  }

  function bindKeyMonitorForm() {
    const keyForm = document.getElementById("key-form");
    const keyTypeSel = document.querySelector('#key-form [name="type"]');
    const keyModeSel = document.getElementById("key-sl-tp-mode");
    const keyDirSel = document.getElementById("key-direction");
    if (keyTypeSel) keyTypeSel.addEventListener("change", syncKeyMonitorFormFields);
    if (keyModeSel) keyModeSel.addEventListener("change", syncKeyMonitorFormFields);
    if (keyDirSel) keyDirSel.addEventListener("change", syncKeyMonitorFormFields);
    syncKeyMonitorFormFields();
    if (global.TimeCloseUI) {
      global.TimeCloseUI.bindTimeCloseForm(
        "key-time-close-cb",
        "key-time-close-hours",
        "key-time-close-wrap"
      );
    }
    if (!keyForm || keyForm.dataset.keyFormBound === "1") return;
    keyForm.dataset.keyFormBound = "1";
    keyForm.addEventListener("submit", (e) => {
      e.preventDefault();
      if (global.FormSubmitGuard && global.FormSubmitGuard.isLocked(keyForm)) return;
      const symbolEl = keyForm.querySelector('[name="symbol"]');
      const symbol = (symbolEl ? symbolEl.value : "").trim();
      if (!symbol) {
        alert("请先输入交易对");
        return;
      }
      const typeVal = (keyForm.querySelector('[name="type"]') || {}).value || "";
      if (typeVal === "假突破") {
        if (global.FormSubmitGuard) global.FormSubmitGuard.nativeSubmitOnce(keyForm, "提交中…");
        else keyForm.submit();
        return;
      }
      if (global.FormSubmitGuard) global.FormSubmitGuard.lock(keyForm, "校验排名中…");
      fetch(`/api/symbol_liquidity_rank?symbol=${encodeURIComponent(symbol)}`)
        .then((r) => r.json().then((d) => ({ status: r.status, data: d })))
        .then(({ status, data }) => {
          if (status >= 400 || !data.ok) {
            alert((data && data.msg) || "日成交量排名读取失败");
            if (global.FormSubmitGuard) global.FormSubmitGuard.unlock(keyForm);
            return;
          }
                const rankMax = data.rank_max || 30;
                const inTop = data.in_top != null ? data.in_top : data.in_top30;
                if (data.rank == null || !inTop) {
                  alert(
                    `${data.symbol} 当前日成交量排名 ${data.rank == null ? "—" : data.rank}/${data.total}，不在前${rankMax}，已拦截。`
                  );
            if (global.FormSubmitGuard) global.FormSubmitGuard.unlock(keyForm);
            return;
          }
          if (global.FormSubmitGuard) global.FormSubmitGuard.nativeSubmitOnce(keyForm, "提交中…");
          else keyForm.submit();
        })
        .catch(() => {
          alert("日成交量排名检查失败，请稍后重试");
          if (global.FormSubmitGuard) global.FormSubmitGuard.unlock(keyForm);
        });
    });
  }

  global.KeyMonitorForm = {
    syncFields: syncKeyMonitorFormFields,
    init: bindKeyMonitorForm,
  };

  if (document.readyState === "loading") {
    document.addEventListener("DOMContentLoaded", bindKeyMonitorForm);
  } else {
    bindKeyMonitorForm();
  }
})(typeof window !== "undefined" ? window : globalThis);