(function exposeApplicationShell(global) {
  "use strict";

  const SIDEBAR_STORAGE_KEY = "xiaobai-sidebar-collapsed";
  const MOBILE_BREAKPOINT = 767;

  function isMobileViewport() {
    return global.matchMedia(`(max-width: ${MOBILE_BREAKPOINT}px)`).matches;
  }

  function create(options) {
    const state = options.state;
    const registry = options.pages;
    let initialized = false;

    function syncViewportMode() {
      document.body.classList.toggle("mobile-shell", isMobileViewport());
    }

    function toggleHeaderCommandMenu(force) {
      const menu = document.querySelector("#headerCommandGroup");
      const button = document.querySelector("#headerMenuButton");
      const backdrop = document.querySelector("#mobileCommandBackdrop");
      if (!menu || !button) return;
      const open = typeof force === "boolean" ? force : !menu.classList.contains("is-open");
      menu.classList.toggle("is-open", open);
      button.setAttribute("aria-expanded", String(open));
      document.body.classList.toggle("mobile-command-open", open && isMobileViewport());
      if (backdrop) backdrop.hidden = !(open && isMobileViewport());
      if (open && isMobileViewport()) {
        global.requestAnimationFrame(() => menu.querySelector("button:not([hidden])")?.focus({ preventScroll: true }));
      } else if (force === false && document.activeElement && menu.contains(document.activeElement)) {
        button.focus({ preventScroll: true });
      }
    }

    function updateSidebarControl() {
      const button = document.querySelector("#sidebarCollapseButton");
      if (!button) return;
      const automaticallyCollapsed = global.innerWidth <= 1023 && !isMobileViewport();
      const collapsed = document.body.classList.contains("sidebar-collapsed") || automaticallyCollapsed;
      button.setAttribute("aria-expanded", String(!collapsed));
      button.setAttribute("aria-label", collapsed ? "展开侧栏" : "收起侧栏");
      button.title = collapsed ? "展开侧栏" : "收起侧栏";
      const label = button.querySelector("span");
      if (label) label.textContent = collapsed ? "展开侧栏" : "收起侧栏";
    }

    function toggleSidebar() {
      const collapsed = document.body.classList.toggle("sidebar-collapsed");
      try {
        global.localStorage.setItem(SIDEBAR_STORAGE_KEY, collapsed ? "1" : "0");
      } catch (_error) {
        // The shell remains usable when storage is unavailable.
      }
      updateSidebarControl();
    }

    function syncNavigation(viewId) {
      const page = registry.get(viewId);
      const navigationId = page?.navigation_alias || viewId;
      const marketView = page?.group === "market";
      const previousActiveView = document.body.dataset.activeView;
      document.body.dataset.activeView = viewId;
      const mobileGroup = document.querySelector("#mobilePageGroup");
      const mobileTitle = document.querySelector("#mobilePageTitle");
      if (mobileGroup) {
        mobileGroup.textContent = page?.group === "market"
          ? "行情"
          : page?.group === "personal" ? "复盘" : "工具";
      }
      if (mobileTitle) mobileTitle.textContent = page?.title || "小白复盘";
      const pageTitle = document.querySelector("#currentPageTitle");
      if (pageTitle) pageTitle.textContent = page?.title || "小白复盘";
      const pageSubtitle = document.querySelector("#currentPageSubtitle");
      if (pageSubtitle && previousActiveView !== viewId) pageSubtitle.textContent = "";
      document.querySelectorAll(".module-tab").forEach((button) => {
        button.classList.toggle("active", button.dataset.view === navigationId);
        button.classList.toggle(
          "mobile-active",
          isMobileViewport()
            && marketView
            && button.dataset.view === "limitPool"
            && viewId !== "limitPool",
        );
      });
      const selector = document.querySelector("#mobileMarketSelector");
      const select = document.querySelector("#mobileMarketViewSelect");
      if (selector) selector.hidden = !marketView;
      if (select && marketView) select.value = viewId;
      toggleHeaderCommandMenu(false);
      options.onNavigationSync?.(viewId);
    }

    function setStatus(text) {
      const status = document.querySelector("#statusText");
      if (status) status.textContent = text;
    }

    function setPageStatus(viewId, tradeDate = "") {
      const page = registry.get(viewId);
      const label = page?.title || "小白复盘";
      setStatus(tradeDate && tradeDate !== "--" ? `${label} · 数据日期 ${tradeDate}` : `${label} · 等待数据`);
    }

    function openModalDialog(dialog) {
      if (!(dialog instanceof HTMLDialogElement)) return;
      document.querySelectorAll("dialog[open]").forEach((openDialog) => {
        if (openDialog !== dialog) openDialog.close();
      });
      if (!dialog.open) dialog.showModal();
    }

    function mount(viewId, mountOptions = {}) {
      const page = registry.get(viewId);
      const view = document.getElementById(viewId);
      if (!page || !view?.classList.contains("workspace-view")) return false;
      const previousView = state.activeView;
      options.onBeforeMount?.(viewId, previousView);
      state.activeView = viewId;
      document.querySelectorAll(".workspace-view").forEach((candidate) => {
        const active = candidate.id === viewId;
        candidate.classList.toggle("active-view", active);
        candidate.classList.remove("view-entering");
        if (active && options.motionEnabled?.()) {
          void candidate.offsetWidth;
          candidate.classList.add("view-entering");
          candidate.addEventListener(
            "animationend",
            () => candidate.classList.remove("view-entering"),
            { once: true },
          );
          const body = candidate.querySelector("tbody");
          if (body) options.animateRows?.(body);
        }
      });
      syncNavigation(viewId);
      setPageStatus(viewId, options.tradeDate?.() || "");
      if (mountOptions.updateUrl !== false) {
        const url = new URL(global.location.href);
        url.searchParams.set("view", viewId);
        url.hash = "";
        global.history.replaceState(null, "", url);
      }
      global.scrollTo({ top: 0, behavior: "auto" });
      options.onAfterMount?.(viewId, previousView);
      return true;
    }

    function initialize() {
      if (initialized) return;
      initialized = true;
      let collapsed = false;
      try {
        collapsed = global.localStorage.getItem(SIDEBAR_STORAGE_KEY) === "1";
      } catch (_error) {
        collapsed = false;
      }
      document.body.classList.toggle("sidebar-collapsed", collapsed);
      syncViewportMode();
      updateSidebarControl();
      syncNavigation(state.activeView);
      document.querySelectorAll(".module-tab").forEach((button) => {
        button.addEventListener("click", () => options.onNavigate?.(button.dataset.view));
      });
      document.querySelectorAll("[data-open-view]").forEach((button) => {
        button.addEventListener("click", () => options.onNavigate?.(button.dataset.openView));
      });
      document.querySelector("#mobileMarketViewSelect")?.addEventListener("change", (event) => {
        options.onNavigate?.(event.target.value);
      });
      document.querySelector("#sidebarCollapseButton")?.addEventListener("click", toggleSidebar);
      document.querySelector("#headerMenuButton")?.addEventListener("click", (event) => {
        event.stopPropagation();
        toggleHeaderCommandMenu();
      });
      document.querySelector("#mobileCommandBackdrop")?.addEventListener("click", () => {
        toggleHeaderCommandMenu(false);
      });
      document.querySelectorAll("[data-mobile-command-target]").forEach((button) => {
        button.addEventListener("click", () => {
          const target = document.getElementById(button.dataset.mobileCommandTarget || "");
          toggleHeaderCommandMenu(false);
          target?.click();
        });
      });
      document.querySelector("#headerCommandGroup")?.addEventListener("click", (event) => {
        if (event.target.closest("button") && !event.target.closest(".account-menu-shell")) {
          toggleHeaderCommandMenu(false);
        }
      });
      document.querySelector("#overviewToggle")?.addEventListener("click", (event) => {
        const overview = document.querySelector(".overview-strip");
        if (!overview) return;
        const expanded = overview.dataset.overviewExpanded !== "true";
        overview.dataset.overviewExpanded = String(expanded);
        event.currentTarget.setAttribute("aria-expanded", String(expanded));
        event.currentTarget.title = expanded ? "收起市场详情" : "展开市场详情";
        const label = event.currentTarget.querySelector("span");
        if (label) label.textContent = expanded ? "收起详情" : "展开详情";
        event.currentTarget.querySelector("i")?.setAttribute(
          "data-lucide",
          expanded ? "chevron-up" : "chevron-down",
        );
        options.refreshIcons?.();
      });
      document.addEventListener("click", (event) => {
        if (!event.target.closest(".header-actions")) toggleHeaderCommandMenu(false);
      });
      document.addEventListener("keydown", (event) => {
        if (event.key === "Escape") toggleHeaderCommandMenu(false);
      });
      global.addEventListener("resize", () => {
        toggleHeaderCommandMenu(false);
        syncViewportMode();
        updateSidebarControl();
        syncNavigation(state.activeView);
      });
    }

    return Object.freeze({
      initialize,
      mount,
      openModalDialog,
      page: (viewId) => registry.get(viewId),
      setPageStatus,
      setStatus,
      syncNavigation,
      syncViewportMode,
      toggleHeaderCommandMenu,
      toggleSidebar,
      updateSidebarControl,
    });
  }

  global.XiaobaiShell = Object.freeze({ create });
})(window);