/**
 * 时间平仓：表单开关 + 持仓倒计时。
 */
(function (global) {
  "use strict";

  function pad2(n) {
    return n < 10 ? "0" + n : String(n);
  }

  function formatCountdown(sec) {
    const s = Math.max(0, parseInt(sec, 10) || 0);
    const h = Math.floor(s / 3600);
    const m = Math.floor((s % 3600) / 60);
    const r = s % 60;
    return pad2(h) + ":" + pad2(m) + ":" + pad2(r);
  }

  function bindTimeCloseForm(checkboxId, selectId, wrapId) {
    const cb = document.getElementById(checkboxId);
    const sel = document.getElementById(selectId);
    const wrap = wrapId ? document.getElementById(wrapId) : null;
    if (!cb || !sel) return;
    function sync() {
      const on = !!cb.checked;
      sel.disabled = !on;
      if (wrap) wrap.classList.toggle("is-disabled", !on);
    }
    cb.addEventListener("change", sync);
    sync();
  }

  function paintOrderTimeClose(order) {
    if (!order || order.id == null) return;
    const wrap = document.getElementById("order-time-close-wrap-" + order.id);
    const cd = document.getElementById("order-time-close-cd-" + order.id);
    if (!wrap || !cd) return;
    const enabled = !!(order.time_close_enabled || order.time_close_at_ms);
    if (!enabled) {
      wrap.style.display = "none";
      return;
    }
    wrap.style.display = "";
    const hours = order.time_close_hours;
    const label = order.time_close_label || (hours ? "时间平仓 " + hours + "h" : "时间平仓");
    const labelEl = wrap.querySelector(".pos-time-close-label");
    if (labelEl) labelEl.textContent = label;
    let rem =
      order.time_close_remaining_sec != null
        ? Number(order.time_close_remaining_sec)
        : null;
    if ((rem == null || !Number.isFinite(rem)) && order.time_close_at_ms) {
      rem = Math.max(0, Math.floor((Number(order.time_close_at_ms) - Date.now()) / 1000));
    }
    cd.textContent = Number.isFinite(rem) ? formatCountdown(rem) : "--:--:--";
    wrap.dataset.closeAtMs = order.time_close_at_ms ? String(order.time_close_at_ms) : "";
  }

  function tickLocalCountdowns() {
    document.querySelectorAll("[data-close-at-ms]").forEach(function (wrap) {
      const closeAtRaw = wrap.dataset.closeAtMs || wrap.getAttribute("data-close-at-ms") || "";
      const cd = wrap.querySelector(".pos-time-close-cd");
      if (!cd) return;
      const closeAt = Number(closeAtRaw);
      if (!closeAt) return;
      const rem = Math.max(0, Math.floor((closeAt - Date.now()) / 1000));
      cd.textContent = formatCountdown(rem);
    });
  }

  function paintOrders(orders) {
    (orders || []).forEach(paintOrderTimeClose);
  }

  function syncKeyTimeCloseVisibility(show) {
    const wrap = document.getElementById("key-time-close-wrap");
    if (!wrap) return;
    wrap.style.display = show ? "inline-flex" : "none";
  }

  global.TimeCloseUI = {
    bindTimeCloseForm: bindTimeCloseForm,
    paintOrderTimeClose: paintOrderTimeClose,
    paintOrders: paintOrders,
    tickLocalCountdowns: tickLocalCountdowns,
    syncKeyTimeCloseVisibility: syncKeyTimeCloseVisibility,
    formatCountdown: formatCountdown,
  };

  if (!global.__timeCloseCountdownTimer) {
    global.__timeCloseCountdownTimer = setInterval(tickLocalCountdowns, 1000);
  }
})(typeof window !== "undefined" ? window : globalThis);