(function (global) {
  function tradeStyleForSelect(sel) {
    if (!sel || !sel.value) return "trend";
    var opt = sel.options[sel.selectedIndex];
    if (opt && opt.getAttribute) {
      var ds = opt.getAttribute("data-trade-style");
      if (ds === "swing" || ds === "trend") return ds;
    }
    var map = global.ORDER_ENTRY_MODEL_TRADE_STYLE || {};
    return map[sel.value] || "trend";
  }

  function syncOrderEntryModelTradeStyle() {
    var sel = document.getElementById("order-entry-model");
    var hidden = document.getElementById("order-trade-style-hidden");
    var hint = document.getElementById("order-trade-style-hint");
    if (!sel || !hidden) return;
    var labels = { trend: "趋势单", swing: "波段单" };
    var ts = tradeStyleForSelect(sel);
    hidden.value = ts;
    if (hint) hint.textContent = labels[ts] || ts;
  }

  function initOrderEntryModelSelect(root) {
    var scope = root && root.querySelector ? root : document;
    var sel =
      scope === document
        ? document.getElementById("order-entry-model")
        : scope.querySelector("#order-entry-model");
    if (!sel) return;
    if (sel.dataset.entryModelWired !== "1") {
      sel.dataset.entryModelWired = "1";
      sel.addEventListener("change", syncOrderEntryModelTradeStyle);
    }
    syncOrderEntryModelTradeStyle();
  }

  global.paintOrderLeverageHint = function (leverage) {
    var hidden = document.getElementById("order-leverage");
    var hint = document.getElementById("order-leverage-hint");
    if (!hidden && !hint) return;
    var lev = parseInt(leverage, 10);
    if (!Number.isFinite(lev) || lev <= 0) {
      if (hint) hint.textContent = "杠杆 —";
      if (hidden) hidden.value = "";
      return;
    }
    if (hidden) hidden.value = String(lev);
    if (hint) hint.textContent = "杠杆 " + lev + "x";
  };

  global.initOrderEntryModelSelect = initOrderEntryModelSelect;
  global.syncOrderEntryModelTradeStyle = syncOrderEntryModelTradeStyle;

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