(function (global) {
  function categoriesData() {
    return global.ORDER_ENTRY_MODEL_CATEGORIES || [];
  }

  function codeToCategoryMap() {
    return global.ORDER_ENTRY_MODEL_CODE_TO_CATEGORY || {};
  }

  function tradeStyleForCode(code) {
    var map = global.ORDER_ENTRY_MODEL_TRADE_STYLE || {};
    return map[code] || "trend";
  }

  function findOption(catKey, code) {
    var cats = categoriesData();
    for (var i = 0; i < cats.length; i++) {
      if (cats[i].key !== catKey) continue;
      var opts = cats[i].options || [];
      for (var j = 0; j < opts.length; j++) {
        if (opts[j].code === code) return opts[j];
      }
    }
    return null;
  }

  function rebuildEntryModelSubSelect(preserveCode) {
    var catSel = document.getElementById("order-entry-category");
    var modelSel = document.getElementById("order-entry-model");
    if (!catSel || !modelSel) return;

    var catKey = catSel.value;
    var cats = categoriesData();
    var cat = null;
    for (var i = 0; i < cats.length; i++) {
      if (cats[i].key === catKey) {
        cat = cats[i];
        break;
      }
    }

    modelSel.innerHTML = "";
    var placeholder = document.createElement("option");
    placeholder.value = "";
    placeholder.textContent = "类型";
    modelSel.appendChild(placeholder);

    if (!cat || !cat.options || !cat.options.length) {
      modelSel.disabled = true;
      modelSel.value = "";
      syncOrderEntryModelTradeStyle();
      return;
    }

    modelSel.disabled = false;
    var pick = preserveCode || "";
    for (var k = 0; k < cat.options.length; k++) {
      var o = cat.options[k];
      var opt = document.createElement("option");
      opt.value = o.code;
      opt.textContent = o.label;
      if (o.trade_style) opt.setAttribute("data-trade-style", o.trade_style);
      if (o.help) opt.title = o.help;
      modelSel.appendChild(opt);
    }

    if (pick && findOption(catKey, pick)) {
      modelSel.value = pick;
    } else if (cat.options.length === 1) {
      modelSel.value = cat.options[0].code;
    } else {
      modelSel.value = "";
    }
    syncOrderEntryModelTradeStyle();
  }

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

  function initOrderEntryModelSelect(root) {
    var scope = root && root.querySelector ? root : document;
    var catSel =
      scope === document
        ? document.getElementById("order-entry-category")
        : scope.querySelector("#order-entry-category");
    var modelSel =
      scope === document
        ? document.getElementById("order-entry-model")
        : scope.querySelector("#order-entry-model");
    if (!catSel || !modelSel) return;

    if (catSel.dataset.entryModelWired !== "1") {
      catSel.dataset.entryModelWired = "1";
      catSel.addEventListener("change", function () {
        rebuildEntryModelSubSelect("");
      });
    }
    if (modelSel.dataset.entryModelWired !== "1") {
      modelSel.dataset.entryModelWired = "1";
      modelSel.addEventListener("change", syncOrderEntryModelTradeStyle);
    }

    var presetCode = modelSel.getAttribute("data-preset-code") || modelSel.value || "";
    if (presetCode) {
      var catMap = codeToCategoryMap();
      var catKey = catMap[presetCode];
      if (catKey) {
        catSel.value = catKey;
        rebuildEntryModelSubSelect(presetCode);
        return;
      }
    }
    rebuildEntryModelSubSelect("");
  }

  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;
  global.rebuildEntryModelSubSelect = rebuildEntryModelSubSelect;

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