import React, {
  useState,
  useMemo,
  useEffect,
  useRef,
  useCallback,
} from "react";
import { useMutation } from "@tanstack/react-query";
import {
  LayoutDashboard,
  MapPin,
  Calendar,
  CalendarClock,
  CalendarDays,
  Star,
  BarChart3,
  Settings,
  Wrench,
  Moon,
  FileText,
  CreditCard,
  Package,
  UserCircle,
  FolderTree,
  Tag,
  TrendingUp,
  List,
  Activity,
  Crown,
  Sparkles,
  ChevronDown,
  ChevronRight,
  Mail,
  Key,
  FileSignature,
  Route,
  BadgePercent,
  Plane,
  MessageSquare,
  MessageCircle,
  Network,
  Webhook,
  Users,
  Puzzle,
  ArrowLeft,
  Gift,
  Loader2,
  RotateCcw,
  Sun,
  User,
} from "lucide-react";
import { __ } from "../lib/i18n";
import { Button } from "../components/ui/button";
import { Tooltip } from "../components/ui/tooltip";
import { useToast } from "../components/ui/toast";
import { postFlushRewriteRules } from "../api/settings-api";

// Helper function to extract Gravatar URL from WordPress get_avatar HTML
function extractGravatarUrl(avatarHtml: string, size: number): string {
  if (!avatarHtml) {
    return `https://www.gravatar.com/avatar/00000000000000000000000000000000?s=${size}&d=identicon&r=pg`;
  }

  // Extract src attribute from img tag
  const imgMatch = avatarHtml.match(/<img[^>]+src=["']([^"']+)["']/i);
  if (imgMatch && imgMatch[1]) {
    // Replace size parameter if needed
    return imgMatch[1].replace(/s=\d+/, `s=${size}`);
  }

  // Fallback to default
  return `https://www.gravatar.com/avatar/00000000000000000000000000000000?s=${size}&d=identicon&r=pg`;
}

// Helper function to get Gravatar URL using WordPress data
function getGravatarUrl(size: number): string {
  const avatarHtml = (window as any)?.yatraAdmin?.currentUserAvatar || "";
  return extractGravatarUrl(avatarHtml, size);
}

import { ConditionalRender } from "../components/ui/conditional-render";
import {
  readMenuOverrides,
  readMenuOrder,
  readUiChrome,
  DEFAULT_MENU_ITEMS,
  type MenuOverrides,
} from "../lib/sidebar-menu-defaults";
import { MenuIcon } from "../lib/menu-icon";
import {
  Card,
  CardContent,
  CardHeader,
  CardTitle,
  CardDescription,
} from "../components/ui/card";
import { Badge } from "../components/ui/badge";
import {
  useModulesQuery,
  useToggleModule,
  type ModuleDefinition,
} from "../hooks/useModules";
import { isProPluginActive, isModuleActive } from "../lib/plugin-utils";
import { navigateMenu } from "../hooks/useNavigate";
import { canCap } from "../hooks/useCapabilities";
import {
  useNotificationCounts,
  SUBPAGE_TO_SECTION,
} from "../hooks/useNotificationCounts";
import { InlineNotices } from "./notices/InlineNotices";

interface LayoutProps {
  children: React.ReactNode;
}

const Layout: React.FC<LayoutProps> = ({ children }) => {
  // Load dark mode preference from localStorage
  const [darkMode, setDarkMode] = useState(() => {
    const saved = localStorage.getItem("yatra-dark-mode");
    return saved === "true";
  });

  // Apply dark mode to document on mount and when it changes
  useEffect(() => {
    const root = document.documentElement;
    if (darkMode) {
      root.classList.add("dark");
      localStorage.setItem("yatra-dark-mode", "true");
    } else {
      root.classList.remove("dark");
      localStorage.setItem("yatra-dark-mode", "false");
    }
  }, [darkMode]);

  const [isModulesPanelOpen, setIsModulesPanelOpen] = useState(false);
  const [isUserDropdownOpen, setIsUserDropdownOpen] = useState(false);
  const modulesPanelRef = useRef<HTMLDivElement | null>(null);
  const userDropdownRef = useRef<HTMLDivElement | null>(null);

  // License status state for real-time updates
  const [licenseStatus, setLicenseStatus] = useState<string | null>(
    (window as any).yatraAdmin?.licenseStatus || null,
  );

  const { showToast } = useToast();
  const flushRewriteRulesMutation = useMutation({
    mutationFn: async () => postFlushRewriteRules(),
    onSuccess: () => {
      showToast(__("Rewrite rules flushed successfully", "yatra"), "success");
    },
    onError: (error: any) => {
      showToast(
        error?.message || __("Failed to flush rewrite rules", "yatra"),
        "error",
      );
    },
  });
  const { data: modulesData, isLoading: isLoadingModules } = useModulesQuery({
    enabled: isModulesPanelOpen,
  });
  const toggleModuleMutation = useToggleModule();
  // Ensure modulesData is always an array before slicing
  // eslint-disable-next-line react-hooks/exhaustive-deps
  const safeModulesData = Array.isArray(modulesData) ? modulesData : [];
  const modulesPreview = useMemo<ModuleDefinition[]>(
    () => safeModulesData.slice(0, 3),
    [safeModulesData],
  );
  const handleQuickToggle = (module: ModuleDefinition, enabled: boolean) => {
    toggleModuleMutation.mutate({
      slug: module.slug,
      enabled,
      name: module.name,
    });
  };

  // Track URL changes to update menu state
  const [urlKey, setUrlKey] = useState(0);
  const [navRefreshKey, setNavRefreshKey] = useState(0);

  /** SPA: avoid full reload — keeps PHP boot splash from showing on every sidebar click */
  const handleMenuNavClick = useCallback(
    (e: React.MouseEvent<HTMLAnchorElement>, subpage: string, tab?: string) => {
      if (e.metaKey || e.ctrlKey || e.altKey || e.shiftKey || e.button !== 0) {
        return;
      }
      e.preventDefault();
      navigateMenu(subpage, tab);
    },
    [],
  );

  // Close dropdowns when clicking outside
  useEffect(() => {
    const handleClickOutside = (event: MouseEvent) => {
      if (
        modulesPanelRef.current &&
        !modulesPanelRef.current.contains(event.target as Node)
      ) {
        setIsModulesPanelOpen(false);
      }
      if (
        userDropdownRef.current &&
        !userDropdownRef.current.contains(event.target as Node)
      ) {
        setIsUserDropdownOpen(false);
      }
    };

    document.addEventListener("mousedown", handleClickOutside);
    return () => document.removeEventListener("mousedown", handleClickOutside);
  }, []);

  useEffect(() => {
    const handleLocationChange = () => {
      setUrlKey((prev) => prev + 1);
    };

    // Listen for popstate (back/forward button)
    window.addEventListener("popstate", handleLocationChange);

    // Also check periodically (fallback for direct navigation)
    const interval = setInterval(() => {
      const currentSearch = window.location.search;
      if (currentSearch !== (window as any).__lastSearch) {
        (window as any).__lastSearch = currentSearch;
        handleLocationChange();
      }
    }, 100);

    return () => {
      window.removeEventListener("popstate", handleLocationChange);
      clearInterval(interval);
    };
  }, []);

  // Listen for module updates to refresh navigation
  useEffect(() => {
    const handleModuleUpdate = () => {
      // Force re-render of menu items by updating navRefreshKey
      setNavRefreshKey((prev) => prev + 1);
      // Also update urlKey to ensure all memoized values refresh
      setUrlKey((prev) => prev + 1);
    };

    const handleForceRefresh = () => {
      setNavRefreshKey((prev) => prev + 1);
      setUrlKey((prev) => prev + 1);
    };

    const handleLicenseStatusUpdate = (event: any) => {
      const newStatus = event.detail?.status;
      if (newStatus) {
        setLicenseStatus(newStatus);
      }
    };

    window.addEventListener("yatra-modules-updated", handleModuleUpdate);
    window.addEventListener("yatra-force-nav-refresh", handleForceRefresh);
    window.addEventListener(
      "yatra-license-status-updated",
      handleLicenseStatusUpdate,
    );

    return () => {
      window.removeEventListener("yatra-modules-updated", handleModuleUpdate);
      window.removeEventListener("yatra-force-nav-refresh", handleForceRefresh);
      window.removeEventListener(
        "yatra-license-status-updated",
        handleLicenseStatusUpdate,
      );
    };
  }, []);

  useEffect(() => {
    if (!isModulesPanelOpen) return;

    const handleClickOutside = (event: MouseEvent) => {
      if (
        modulesPanelRef.current &&
        !modulesPanelRef.current.contains(event.target as Node)
      ) {
        setIsModulesPanelOpen(false);
      }
    };

    document.addEventListener("mousedown", handleClickOutside);
    return () => document.removeEventListener("mousedown", handleClickOutside);
  }, [isModulesPanelOpen]);

  // Get current subpage and tab from URL
  const currentSubpage = useMemo(() => {
    const params = new URLSearchParams(window.location.search);
    return params.get("subpage") || "dashboard";
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [urlKey]);

  // "New since last seen" counts for the sidebar badges (Bookings / Payments /
  // Abandoned Recovery). Read-only — if the request fails, no badge is shown.
  const { data: newCounts } = useNotificationCounts();
  const getNewCount = (subpage: string): number => {
    const section = SUBPAGE_TO_SECTION[subpage];
    if (!section) return 0;
    const value = newCounts?.[section];
    return typeof value === "number" && value > 0 ? value : 0;
  };

  const currentTab = useMemo(() => {
    const params = new URLSearchParams(window.location.search);
    return params.get("tab") || "all";
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [urlKey]);

  const currentAction = useMemo(() => {
    const params = new URLSearchParams(window.location.search);
    return params.get("action");
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [urlKey]);

  // Check if we're on the trip form page
  const isTripFormPage = useMemo(() => {
    return (
      currentSubpage === "trips" &&
      (currentTab === "all" || !currentTab) &&
      (currentAction === "create" || currentAction === "edit")
    );
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [currentSubpage, currentTab, currentAction, urlKey]);

  // Track expanded submenus — start with the parent of the page being loaded
  // open, so a deep link or a refresh lands with the right submenu already
  // expanded (no flash of a collapsed menu).
  //
  // Derived from the menu definition rather than a hardcoded list of parents:
  // it used to name `trips` and `itinerary` explicitly, which meant every other
  // parent (Payments, and anything added later) stayed collapsed on refresh.
  const [expandedMenus, setExpandedMenus] = useState<string[]>(() => {
    const params = new URLSearchParams(window.location.search);
    const subpage = params.get("subpage") || "dashboard";

    return DEFAULT_MENU_ITEMS.some(
      (item) => item.slug === subpage && (item.submenu?.length ?? 0) > 0,
    )
      ? [subpage]
      : [];
  });

  // Get base admin URL
  const baseUrl = useMemo(() => {
    return window.yatraAdmin?.siteUrl
      ? `${window.yatraAdmin.siteUrl}/wp-admin/admin.php?page=yatra`
      : "/wp-admin/admin.php?page=yatra";
  }, []);

  const menuItems = useMemo(
    // Every menu label is wrapped in __() with a literal string so
    // gettext extraction (scripts/extract-js-pot.mjs) picks them up
    // and Loco / Poedit / wp i18n can translate them. Previously most
    // were raw English literals — translations existed in the .po but
    // never reached the UI because there was no translation lookup at
    // render time. Wrapping is the WordPress-canonical way; the
    // pre_load_script_translations filter then delivers the locale
    // data to wp.i18n on every admin page load.
    () =>
      [
        {
          subpage: "dashboard",
          label: __("Dashboard", "yatra"),
          icon: LayoutDashboard,
          cap: "yatra_access_admin",
        },
        {
          subpage: "trips",
          label: __("Trips", "yatra"),
          icon: MapPin,
          cap: "yatra_view_trips",
          submenu: [
            { tab: "all", label: __("All Trips", "yatra"), icon: List },
            {
              tab: "activities",
              label: __("Activities", "yatra"),
              icon: Activity,
            },
            {
              tab: "destinations",
              label: __("Destinations", "yatra"),
              icon: Route,
            },
            {
              tab: "categories",
              label: __("Categories", "yatra"),
              icon: FolderTree,
            },
            {
              tab: "difficulty-levels",
              label: __("Difficulty Levels", "yatra"),
              icon: TrendingUp,
            },
            // Availability - FREE feature, always show
            {
              tab: "availability",
              label: __("Availability", "yatra"),
              icon: CalendarDays,
            },
            // Attributes - FREE feature, always show
            { tab: "attributes", label: __("Attributes", "yatra"), icon: Tag },
            // Additional Services - show only if Pro plugin is active and module is enabled
            ...(isProPluginActive() && isModuleActive("additional_services")
              ? [
                  {
                    tab: "additional-services",
                    label: __("Additional Services", "yatra"),
                    icon: Package,
                    isPremium: true,
                  },
                ]
              : []),
            // Trip Consent - show only if Pro plugin is active and module is enabled
            ...(isProPluginActive() && isModuleActive("trip_consent")
              ? [
                  {
                    tab: "trip-consent",
                    label: __("Trip Consent", "yatra"),
                    icon: FileSignature,
                    isPremium: true,
                  },
                ]
              : []),
          ],
        },
        {
          subpage: "traveler-categories",
          label: __("Traveler Categories", "yatra"),
          icon: UserCircle,
          cap: "yatra_manage_trip_taxonomies",
        },
        {
          subpage: "itinerary",
          label: __("Itinerary", "yatra"),
          icon: FileText,
          cap: "yatra_edit_trips",
          submenu: [
            { tab: "item-types", label: __("Item Types", "yatra"), icon: Tag },
            { tab: "items", label: __("Items", "yatra"), icon: Route },
            {
              tab: "itinerary",
              label: __("Itinerary", "yatra"),
              icon: FileText,
            },
          ],
        },
        // Departures - FREE feature, always show
        {
          subpage: "departures",
          label: __("Departures", "yatra"),
          icon: Calendar,
          cap: "yatra_view_departures",
        },
        {
          subpage: "discounts",
          label: __("Discounts", "yatra"),
          icon: BadgePercent,
          cap: "yatra_manage_discounts",
        },
        {
          subpage: "payments",
          label: __("Payments", "yatra"),
          icon: CreditCard,
          cap: "yatra_view_financial_reports",
          // Payments only becomes a parent when the Pro "Scheduled Payments"
          // module is enabled — otherwise there is nothing to nest and it stays
          // exactly as it was: a single item that navigates straight to the
          // payments list. Children are only rendered for a visible parent, so
          // the pair inherits the Payments capability gate.
          //
          // `undefined` rather than an empty array: the rest of this component
          // treats "has a submenu" as truthiness, and an empty array would read
          // as a parent with no matching child — which would stop the Payments
          // item highlighting on its own page.
          submenu: (window as any).yatraAdmin?.scheduledPaymentsEnabled
            ? [
                {
                  tab: "all",
                  label: __("All Payments", "yatra"),
                  icon: CreditCard,
                },
                {
                  // "Scheduled" alone — the parent already says Payments. This
                  // label is also the page's heading (the top bar reads it from
                  // the active submenu item).
                  tab: "scheduled",
                  label: __("Scheduled", "yatra"),
                  icon: CalendarClock,
                  isPremium: true,
                },
              ]
            : undefined,
        },
        {
          subpage: "bookings",
          label: __("Bookings", "yatra"),
          icon: Calendar,
          cap: "yatra_view_bookings",
        },
        {
          subpage: "customers",
          label: __("Customers", "yatra"),
          icon: UserCircle,
          cap: "yatra_view_customers",
        },
        {
          subpage: "travelers",
          label: __("Travelers", "yatra"),
          icon: Plane,
          cap: "yatra_view_customers",
        },
        {
          subpage: "enquiries",
          label: __("Enquiries", "yatra"),
          icon: MessageSquare,
          cap: "yatra_view_enquiries",
        },
        {
          subpage: "reviews",
          label: __("Reviews", "yatra"),
          icon: Star,
          cap: "yatra_view_reviews",
        },
        {
          subpage: "reports",
          label: __("Reports", "yatra"),
          icon: BarChart3,
          cap: "yatra_view_operational_reports",
        },
        // Email — SMTP & transactional for all; Pro adds automation tabs on the same screen
        {
          subpage: "email-automation",
          label: __("Email", "yatra"),
          icon: Mail,
          isPremium: false,
          cap: "yatra_manage_emails",
        },
        // Abandoned Booking Recovery - show only if Pro plugin is active and module is enabled
        ...(isProPluginActive() && isModuleActive("abandoned_booking_recovery")
          ? [
              {
                subpage: "abandoned-recovery",
                label: __("Abandoned Recovery", "yatra"),
                icon: RotateCcw,
                isPremium: true,
                cap: "yatra_manage_email_automation",
              },
            ]
          : []),
        // Dynamic Pricing - show only if Pro plugin is active and module is enabled
        ...(isProPluginActive() && isModuleActive("dynamic_pricing")
          ? [
              {
                subpage: "dynamic-pricing",
                label: __("Dynamic Pricing", "yatra"),
                icon: TrendingUp,
                isPremium: true,
                cap: "yatra_edit_trips",
              },
            ]
          : []),
        {
          subpage: "modules",
          label: __("Modules", "yatra"),
          icon: Puzzle,
          cap: "yatra_manage_modules",
        },
        // White Label — only when the Agency-tier module is actually enabled.
        // (Agency license alone is not enough; the module toggle must be on,
        // otherwise users would see a link to a disabled feature. To get
        // here for the first time, an Agency admin enables the module from
        // Yatra → Modules.) The `whiteLabelEnabled` flag from
        // AdminAssetsProvider already implies Agency-active.
        // White Label — needs Agency-tier license AND module toggle on.
        // Mirrors the AI Assistant gate below so both menus appear /
        // disappear instantly when their module toggles, while staying
        // license-safe if the client-side `whiteLabelEnabled` flag is
        // ever stale or over-eager. AdminAssetsProvider seeds both
        // `isAgency` and `whiteLabelEnabled`; useModules.ts updates the
        // latter on toggle and fires `yatra-modules-updated` which bumps
        // navRefreshKey → this memo recomputes → menu appears.
        ...((window as any).yatraAdmin?.isAgency &&
        (window as any).yatraAdmin?.whiteLabelEnabled
          ? [
              {
                subpage: "white-label",
                label: __("White Label", "yatra"),
                icon: Crown,
                isPremium: true,
                cap: "yatra_manage_white_label",
              },
            ]
          : []),
        // AI Assistant — only when BOTH the license tier qualifies
        // (Growth or Agency) AND the module toggle is on. Operators who
        // disable the module shouldn't keep seeing the menu item — it
        // would lead to a settings page they've explicitly opted out of.
        // The toggle handler in useModules.ts updates
        // window.yatraAdmin.aiAssistantEnabled and fires
        // `yatra-modules-updated`, which bumps navRefreshKey so this
        // memo recomputes immediately without a page reload.
        ...((window as any).yatraAdmin?.isAiEligible &&
        (window as any).yatraAdmin?.aiAssistantEnabled
          ? [
              {
                subpage: "ai-assistant",
                label: __("AI Assistant", "yatra"),
                icon: Sparkles,
                isPremium: true,
                cap: "yatra_manage_ai",
              },
            ]
          : []),
        // WhatsApp Notifications — Growth/Agency module. Same gate
        // pattern as AI Assistant: needs the AI-eligibility flag (which
        // is the Growth-or-Agency tier check) AND the module toggle on.
        // useModules.ts updates `whatsappEnabled` on toggle + fires
        // `yatra-modules-updated` so this menu appears instantly without
        // a page reload.
        ...((window as any).yatraAdmin?.isAiEligible &&
        (window as any).yatraAdmin?.whatsappEnabled
          ? [
              {
                subpage: "whatsapp",
                label: __("WhatsApp", "yatra"),
                icon: MessageCircle,
                isPremium: true,
                cap: "yatra_manage_whatsapp",
              },
            ]
          : []),
        // Channel Manager — Agency-tier OTA distribution hub. Same gate
        // pattern as White Label: needs the Agency license AND the module
        // toggle on. useModules.ts updates `channelManagerEnabled` on
        // toggle + fires `yatra-modules-updated` so this menu appears
        // instantly without a page reload.
        ...((window as any).yatraAdmin?.isAgency &&
        (window as any).yatraAdmin?.channelManagerEnabled
          ? [
              {
                subpage: "channel-manager",
                label: __("Channel Manager", "yatra"),
                icon: Network,
                isPremium: true,
                cap: "yatra_manage_channel_manager",
              },
            ]
          : []),
        // Webhooks — Agency-tier outbound integration hub. Same gate
        // as Channel Manager / White Label: Agency license + module on.
        ...((window as any).yatraAdmin?.isAgency &&
        (window as any).yatraAdmin?.webhooksEnabled
          ? [
              {
                subpage: "webhooks",
                label: __("Webhooks", "yatra"),
                icon: Webhook,
                isPremium: true,
                cap: "yatra_manage_webhooks",
              },
            ]
          : []),
        // Team & Access — Agency-tier granular roles + capability-level
        // access + audit log. Gate matches Webhooks: Agency license +
        // module on. The page itself is also cap-gated server-side; the
        // sidebar entry is just UX.
        ...((window as any).yatraAdmin?.isAgency &&
        (window as any).yatraAdmin?.teamEnabled
          ? [
              {
                subpage: "team",
                label: __("Team & Access", "yatra"),
                icon: Users,
                isPremium: true,
                cap: "yatra_manage_team",
              },
            ]
          : []),
        {
          subpage: "license",
          label: __("License", "yatra"),
          icon: Key,
          cap: "yatra_manage_settings",
        },
        {
          subpage: "settings",
          label: __("Settings", "yatra"),
          icon: Settings,
          cap: "yatra_manage_settings",
        },
      ]
        // Cap-gate every entry. canCap() returns true for WP admins and
        // when the Team module isn't enabled (= admin-only mode), so this
        // is a no-op on every site without team management. With team
        // management active, non-admin team members only see the menus
        // their role's caps permit.
        //
        // Items without a `cap` field are always shown (default-allow).
        .filter((item: any) => !item.cap || canCap(item.cap)),
    // eslint-disable-next-line react-hooks/exhaustive-deps
    [navRefreshKey],
  ); // Re-calculate when navRefreshKey changes

  /**
   * Apply White Label customizations on top of the base menuItems.
   *
   * Implementation: factor menuItems into a flat atom registry, apply
   * label/icon/hidden overrides, then rebuild the menu tree honoring
   * the saved parent override (cross-parent moves) and per-parent
   * order map. URLs always come from the atom's intrinsic identity —
   * promoting a submenu to top-level does NOT change its route, so
   * App.tsx routing keeps working unchanged.
   */
  const brandedMenuItems = useMemo(() => {
    const overrides: MenuOverrides = readMenuOverrides();
    const orderMap = readMenuOrder();

    interface Atom {
      key: string; // "trips" or "trips.activities"
      defaultParent: string; // "" for top-level, parent slug for submenu
      label: string;
      iconOverride?: unknown;
      icon: any;
      // Bag of routing/render props copied from the original menu item.
      subpage: string;
      tab?: string;
      isPremium?: boolean;
    }

    const atoms: Atom[] = [];
    const atomByKey = new Map<string, Atom>();

    const apply = (
      key: string,
      defaultParent: string,
      base: any,
      fallbackLabel: string,
    ): Atom | null => {
      const ov = overrides[key];
      if (ov?.hidden) return null;
      const labelOverride =
        ov?.label && typeof ov.label === "string" && ov.label.trim() !== ""
          ? ov.label
          : null;
      const atom: Atom = {
        key,
        defaultParent,
        label: labelOverride ?? fallbackLabel,
        iconOverride: ov?.icon,
        icon: base.icon,
        subpage: base.subpage ?? defaultParent ?? key,
        tab: base.tab,
        isPremium: base.isPremium,
      };
      atoms.push(atom);
      atomByKey.set(key, atom);
      return atom;
    };

    for (const item of menuItems) {
      apply(item.subpage, "", item, item.label);
      if (item.submenu) {
        for (const sub of item.submenu as any[]) {
          apply(
            `${item.subpage}.${sub.tab}`,
            item.subpage,
            { icon: sub.icon, subpage: item.subpage, tab: sub.tab },
            sub.label,
          );
        }
      }
    }

    // Resolve each atom's effective parent (override wins; "" = top-level).
    const effectiveParent = (atom: Atom): string => {
      const ov = overrides[atom.key];
      if (ov && typeof ov.parent === "string") {
        // Only accept the override if it points at a known top-level atom
        // (or empty for top-level). Otherwise fall back to the default.
        if (ov.parent === "") return "";
        if (atomByKey.get(ov.parent)?.defaultParent === "") return ov.parent;
      }
      return atom.defaultParent;
    };

    // Group atoms by effective parent and order each group.
    const groups = new Map<string, Atom[]>();
    for (const atom of atoms) {
      const parent = effectiveParent(atom);
      // Self-parenting guard — should never happen but stay defensive.
      if (parent === atom.key) continue;
      const list = groups.get(parent) ?? [];
      list.push(atom);
      groups.set(parent, list);
    }

    const orderGroup = (parent: string, group: Atom[]): Atom[] => {
      const saved = orderMap[parent] ?? [];
      if (saved.length === 0) return group;
      const byKey = new Map(group.map((a) => [a.key, a]));
      const seen = new Set<string>();
      const ordered: Atom[] = [];
      for (const k of saved) {
        const atom = byKey.get(k);
        if (atom && !seen.has(k)) {
          ordered.push(atom);
          seen.add(k);
        }
      }
      for (const atom of group) {
        if (!seen.has(atom.key)) ordered.push(atom);
      }
      return ordered;
    };

    const topLevel = orderGroup("", groups.get("") ?? []);
    return topLevel.map((atom) => {
      const childAtoms = orderGroup(atom.key, groups.get(atom.key) ?? []);
      return {
        // React key. NOT `subpage`: a child promoted to top-level keeps its
        // parent's subpage (`payments.scheduled` → subpage `payments`), so two
        // siblings could share it. Duplicate keys make React reconcile the
        // wrong nodes and throw "removeChild ... not a child of this node".
        menuKey: atom.key,
        subpage: atom.subpage,
        label: atom.label,
        icon: atom.icon,
        iconOverride: atom.iconOverride,
        isPremium: atom.isPremium,
        submenu: childAtoms.length
          ? childAtoms.map((child) => ({
              // Unique per child, for the same reason as `menuKey` above:
              // subpage + tab can repeat once items are moved between parents.
              menuKey: child.key,
              // Submenu rendering supports both legacy intra-parent items
              // (matching parent's subpage) and promoted/demoted items
              // that point at their own subpage.
              tab: child.defaultParent === atom.subpage ? child.tab : undefined,
              label: child.label,
              icon: child.icon,
              iconOverride: child.iconOverride,
              // Promoted top-level items now-as-children get an absolute href.
              href:
                child.defaultParent === atom.subpage
                  ? undefined
                  : `${baseUrl}&subpage=${child.subpage}${child.tab ? `&tab=${child.tab}` : ""}`,
              subpage: child.subpage,
              tab_orig: child.tab,
            }))
          : undefined,
      };
    });
  }, [menuItems, baseUrl]);

  // Keep the active page's parent expanded as the URL changes. Lives here
  // (after `brandedMenuItems`) so it reads the menu actually being rendered —
  // that includes parents the menu customizer created by demoting an item into
  // one, which the static defaults above don't know about.
  useEffect(() => {
    const parentOfCurrentPage = brandedMenuItems.find(
      (item: any) =>
        item.subpage === currentSubpage && (item.submenu?.length ?? 0) > 0,
    );
    if (!parentOfCurrentPage) {
      return;
    }

    setExpandedMenus((prev) =>
      prev.includes(parentOfCurrentPage.subpage)
        ? prev
        : [...prev, parentOfCurrentPage.subpage],
    );
  }, [currentSubpage, urlKey, brandedMenuItems]);

  /** UI chrome visibility flags (version, Back to WP, Join Community). */
  const uiChrome = useMemo(() => readUiChrome(), []);

  const isActive = (subpage: string, tab?: string) => {
    // The Google Calendar dashboard is reached from Settings → Integration, so
    // keep the Settings menu item highlighted while that page is open.
    if (subpage === "settings" && currentSubpage === "google-calendar") {
      return true;
    }
    if (tab) {
      return currentSubpage === subpage && currentTab === tab;
    }
    // For parent menu items, check if current subpage matches
    // or if any submenu item is active
    if (currentSubpage === subpage) {
      const menuItem = menuItems.find((item) => item.subpage === subpage);
      if (menuItem?.submenu) {
        // If it has submenu, check if any submenu item is active
        return menuItem.submenu.some((sub) => sub.tab === currentTab);
      }
      return true;
    }
    return false;
  };

  const isMenuExpanded = (subpage: string) => {
    return expandedMenus.includes(subpage);
  };

  const toggleMenu = (subpage: string) => {
    setExpandedMenus((prev) =>
      prev.includes(subpage)
        ? prev.filter((m) => m !== subpage)
        : [...prev, subpage],
    );
  };

  const getUrl = (subpage: string, tab?: string) => {
    if (subpage === "dashboard") {
      return baseUrl;
    }
    if (tab) {
      return `${baseUrl}&subpage=${subpage}&tab=${tab}`;
    }
    return `${baseUrl}&subpage=${subpage}`;
  };

  return (
    <div
      className={`min-h-screen ${darkMode ? "dark bg-gray-900" : "bg-gray-50"}`}
    >
      <div className="flex h-screen overflow-hidden">
        {/* Sidebar */}
        <aside className="w-64 bg-white dark:bg-gray-800 border-r border-gray-200 dark:border-gray-700 flex flex-col">
          {/* Logo */}
          <div className="h-16 px-6 flex items-center justify-center border-b border-gray-200 dark:border-gray-700">
            <div className="flex flex-col gap-1">
              <div className="flex items-center gap-3">
                {(() => {
                  const brandName =
                    (window as any).yatraAdmin?.brandName || "Yatra";
                  const brandInitial = brandName.charAt(0).toUpperCase() || "Y";
                  return (window as any).yatraAdmin?.brandLogoUrl ? (
                    <img
                      src={(window as any).yatraAdmin.brandLogoUrl}
                      alt={brandName}
                      width={32}
                      height={32}
                      className="w-8 h-8 rounded-lg object-contain shrink-0 bg-blue-600 p-1 border border-blue-700 dark:border-blue-500"
                    />
                  ) : (
                    <div className="w-8 h-8 bg-blue-600 rounded-lg flex items-center justify-center shrink-0">
                      <span className="text-white font-bold text-lg">
                        {brandInitial}
                      </span>
                    </div>
                  );
                })()}
                <div className="flex flex-col">
                  <span className="text-xl font-bold text-gray-900 dark:text-white">
                    {(window as any).yatraAdmin?.brandName || "Yatra"}
                  </span>
                  {!uiChrome.hideVersion && (
                    <div className="flex items-center gap-2 text-[10px] text-gray-500 dark:text-gray-400">
                      <span>v{window.yatraAdmin?.version || "1.0.0"}</span>
                      {(window as any).yatraAdmin?.proVersion && (
                        <span className="px-1.5 py-0.5 bg-green-100 dark:bg-green-900/30 text-green-600 dark:text-green-400 rounded font-medium">
                          Pro v{(window as any).yatraAdmin?.proVersion}
                        </span>
                      )}
                    </div>
                  )}
                </div>
              </div>
            </div>
          </div>

          {/* Navigation + Bottom Actions */}
          <nav className="flex-1 p-4 space-y-1 overflow-y-auto">
            {brandedMenuItems.map((item) => {
              const Icon = item.icon;
              const hasSubmenu = item.submenu && item.submenu.length > 0;
              const isExpanded = hasSubmenu && isMenuExpanded(item.subpage);
              const active = isActive(item.subpage);

              return (
                // Keyed by the unique menu key, and by the item's shape: when a
                // module toggle turns a plain item into a parent (Payments →
                // All Payments / Scheduled) the branch below swaps an <a> for a
                // <button> + children, and a shape-aware key makes React remount
                // that subtree cleanly instead of reusing mismatched nodes.
                <div
                  key={`${(item as any).menuKey ?? item.subpage}:${
                    hasSubmenu ? "parent" : "leaf"
                  }`}
                >
                  {hasSubmenu ? (
                    <>
                      <button
                        onClick={() => toggleMenu(item.subpage)}
                        className={`w-full flex items-center justify-between gap-3 px-4 py-3 rounded-lg text-sm transition-colors ${
                          active
                            ? "bg-blue-50 dark:bg-blue-900/20 text-blue-600 dark:text-blue-400 font-medium"
                            : "text-gray-700 dark:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-700"
                        }`}
                      >
                        <div className="flex items-center gap-3">
                          <MenuIcon
                            icon={(item as any).iconOverride}
                            fallback={Icon}
                            className="w-5 h-5"
                          />
                          <span>{item.label}</span>
                        </div>
                        <div className="flex items-center gap-2">
                          {/* New-since-last-seen badge. Also rendered here, not
                              only on flat items: a section that gains children
                              (Payments) would otherwise lose its badge. */}
                          {!active && getNewCount(item.subpage) > 0 && (
                            <span
                              className="inline-flex items-center justify-center min-w-[18px] h-[18px] px-1.5 rounded-full bg-red-500 text-white text-[10px] font-semibold leading-none"
                              aria-label={`${getNewCount(item.subpage)} ${__("new", "yatra")}`}
                            >
                              {getNewCount(item.subpage) > 99
                                ? "99+"
                                : getNewCount(item.subpage)}
                            </span>
                          )}
                          {isExpanded ? (
                            <ChevronDown className="w-4 h-4" />
                          ) : (
                            <ChevronRight className="w-4 h-4" />
                          )}
                        </div>
                      </button>
                      {isExpanded && item.submenu && (
                        <div className="ml-4 mt-1 space-y-1">
                          {item.submenu.map((subItem: any) => {
                            // Promoted / demoted child carries its own
                            // routing target via subpage + tab_orig; the
                            // default in-parent child uses the parent's
                            // subpage with its tab.
                            const navSubpage = subItem.subpage ?? item.subpage;
                            const navTab = subItem.tab ?? subItem.tab_orig;
                            const subActive = navTab
                              ? isActive(navSubpage, navTab)
                              : isActive(navSubpage);
                            const SubIcon = subItem.icon;
                            return (
                              <a
                                key={
                                  subItem.menuKey ??
                                  `${navSubpage}.${navTab ?? ""}`
                                }
                                href={getUrl(navSubpage, navTab)}
                                onClick={(e) =>
                                  handleMenuNavClick(e, navSubpage, navTab)
                                }
                                className={`flex items-center gap-3 px-4 py-2 rounded-lg transition-colors relative ${
                                  subActive
                                    ? "bg-blue-50 dark:bg-blue-900/20 text-blue-600 dark:text-blue-400 font-medium"
                                    : "text-gray-600 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700"
                                }`}
                              >
                                <div className="flex items-center gap-3">
                                  {SubIcon && (
                                    <div className="w-4 h-4">
                                      <MenuIcon
                                        icon={(subItem as any).iconOverride}
                                        fallback={SubIcon}
                                        className="w-4 h-4"
                                      />
                                    </div>
                                  )}
                                  <span className="text-sm">
                                    {subItem.label}
                                  </span>
                                </div>
                                {subItem.isPremium && !isProPluginActive() && (
                                  <div className="absolute inset-y-0 right-2 flex items-center justify-center">
                                    <div className="w-4 h-4 rounded-full bg-gradient-to-r from-amber-500 to-orange-500 text-white flex items-center justify-center">
                                      <Crown className="w-2.5 h-2.5" />
                                    </div>
                                  </div>
                                )}
                              </a>
                            );
                          })}
                        </div>
                      )}
                    </>
                  ) : (
                    <a
                      href={getUrl(item.subpage)}
                      onClick={(e) => handleMenuNavClick(e, item.subpage)}
                      className={`flex items-center gap-3 px-4 py-3 rounded-lg text-sm transition-colors relative ${
                        active
                          ? "bg-blue-50 dark:bg-blue-900/20 text-blue-600 dark:text-blue-400 font-medium"
                          : "text-gray-700 dark:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-700"
                      }`}
                    >
                      <div className="flex items-center gap-3">
                        <MenuIcon
                          icon={(item as any).iconOverride}
                          fallback={Icon}
                          className="w-5 h-5"
                        />
                        <span>{item.label}</span>
                      </div>
                      {/* New-since-last-seen badge (Bookings / Payments /
                          Abandoned Recovery). Hidden while viewing that page. */}
                      {!active && getNewCount(item.subpage) > 0 && (
                        <span
                          className="ml-auto inline-flex items-center justify-center min-w-[18px] h-[18px] px-1.5 rounded-full bg-red-500 text-white text-[10px] font-semibold leading-none"
                          aria-label={`${getNewCount(item.subpage)} ${__("new", "yatra")}`}
                        >
                          {getNewCount(item.subpage) > 99
                            ? "99+"
                            : getNewCount(item.subpage)}
                        </span>
                      )}
                      {item.isPremium && !isProPluginActive() && (
                        <div className="absolute inset-y-0 right-2 flex items-center justify-center">
                          <div className="w-4 h-4 rounded-full bg-gradient-to-r from-amber-500 to-orange-500 text-white flex items-center justify-center">
                            <Crown className="w-2.5 h-2.5" />
                          </div>
                        </div>
                      )}
                      {item.subpage === "license" &&
                        isProPluginActive() &&
                        licenseStatus && (
                          <Badge
                            variant={
                              licenseStatus === "active"
                                ? "success"
                                : licenseStatus === "expired"
                                  ? "error"
                                  : licenseStatus === "invalid"
                                    ? "error"
                                    : "error"
                            }
                            className="text-[10px] px-2 py-0.5"
                          >
                            {licenseStatus === "active"
                              ? "Active"
                              : licenseStatus === "expired"
                                ? "Expired"
                                : licenseStatus === "invalid"
                                  ? "Invalid"
                                  : "Inactive"}
                          </Badge>
                        )}
                    </a>
                  )}
                </div>
              );
            })}
          </nav>

          {!isProPluginActive() && (
            <div className="shrink-0 px-4 pb-3">
              <a
                href="https://wpyatra.com/pricing/"
                target="_blank"
                rel="noopener noreferrer"
                className="group flex flex-col gap-0.5 rounded-lg border border-amber-200/90 dark:border-amber-800/40 bg-amber-50/60 dark:bg-amber-950/25 px-3 py-2.5 text-left transition-colors hover:bg-amber-50 dark:hover:bg-amber-950/40 focus:outline-none focus-visible:ring-2 focus-visible:ring-amber-500 focus-visible:ring-offset-2 focus-visible:ring-offset-white dark:focus-visible:ring-offset-gray-800"
              >
                <span className="inline-flex items-center gap-1.5 text-xs font-semibold text-amber-900 dark:text-amber-200">
                  <Crown
                    className="w-3.5 h-3.5 shrink-0 text-amber-600 dark:text-amber-400"
                    aria-hidden
                  />
                  {__("Upgrade to Pro", "yatra")}
                </span>
                <span className="text-[11px] leading-snug text-amber-800/75 dark:text-amber-300/70">
                  {__("Premium features & integrations — view plans.", "yatra")}
                </span>
              </a>
            </div>
          )}

          {/* Sticky bottom back link */}
          {!uiChrome.hideBackToWp && (
            <div className="border-t border-gray-200 dark:border-gray-700 p-4">
              <a
                href={
                  window.yatraAdmin?.siteUrl
                    ? `${window.yatraAdmin.siteUrl}/wp-admin/`
                    : "/wp-admin/"
                }
                className="flex items-center justify-between gap-2 px-3 py-2 rounded-lg text-xs font-medium text-gray-600 dark:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-700"
              >
                <span className="inline-flex items-center gap-2">
                  <ArrowLeft className="w-3 h-3" />
                  <span>{__("Back to WordPress", "yatra")}</span>
                </span>
              </a>
            </div>
          )}
        </aside>

        {/* Main Content */}
        <div
          className={`flex-1 flex flex-col ${isTripFormPage ? "overflow-hidden" : "overflow-y-auto"}`}
        >
          {/* Top Bar */}
          <header className="h-16 bg-white dark:bg-gray-800 border-b border-gray-200 dark:border-gray-700 px-6 flex items-center">
            <div className="flex items-center justify-between w-full">
              <div className="flex items-center gap-3 flex-wrap min-w-0">
                <h1 className="text-2xl font-semibold text-gray-900 dark:text-white">
                  {(() => {
                    // Show specific text for trip form page
                    if (isTripFormPage) {
                      return currentAction === "create"
                        ? "Create Trip"
                        : "Edit Trip";
                    }

                    const activeItem = brandedMenuItems.find((item) =>
                      isActive(item.subpage),
                    );
                    if (activeItem?.submenu && currentTab) {
                      const activeSubItem = activeItem.submenu.find(
                        (sub) => sub.tab === currentTab,
                      );
                      return activeSubItem?.label || activeItem.label;
                    }
                    return activeItem?.label || "Dashboard";
                  })()}
                </h1>

                {/* Conversion pill — visible only on free-plugin installs. */}
                {/* Hidden as soon as the Pro plugin is active. Single edit */}
                {/* in this top-bar surfaces it on every admin page.        */}
                {/* Gift icon leads on the "free" promise (operators read   */}
                {/* the icon before the text). Real Tooltip component       */}
                {/* instead of the browser `title` attribute so the hint    */}
                {/* matches the rest of the admin's hover-help style.       */}
                {!isProPluginActive() && (
                  <Tooltip
                    side="bottom"
                    content={__(
                      "Spin up a free Pro trial site in one click — no credit card required.",
                      "yatra",
                    )}
                  >
                    <a
                      href="https://try.wpyatra.com/try-yatra-pro/"
                      target="_blank"
                      rel="noopener noreferrer"
                      className="inline-flex items-center gap-1.5 rounded-full bg-amber-50 px-3 py-1 text-xs font-semibold text-amber-900 ring-1 ring-amber-200 hover:bg-amber-100 hover:ring-amber-300 dark:bg-amber-950/40 dark:text-amber-100 dark:ring-amber-800 dark:hover:bg-amber-900/50 transition-colors"
                    >
                      <Gift className="h-3.5 w-3.5" />
                      {__("Try Yatra Pro for free", "yatra")}
                    </a>
                  </Tooltip>
                )}
              </div>

              <div className="flex items-center gap-4">
                {/* Back to WordPress button */}
                {!uiChrome.hideBackToWp && (
                  <a
                    href={
                      window.yatraAdmin?.siteUrl
                        ? `${window.yatraAdmin.siteUrl}/wp-admin/`
                        : "/wp-admin/"
                    }
                    target="_blank"
                    rel="noopener noreferrer"
                    className="inline-flex items-center gap-2 px-3 py-2 text-sm text-gray-600 dark:text-gray-300 hover:text-gray-900 dark:hover:text-white hover:bg-gray-100 dark:hover:bg-gray-700 rounded-lg transition-colors"
                  >
                    <ArrowLeft className="w-4 h-4" />
                    {__("Back to WordPress", "yatra")}
                  </a>
                )}

                {!uiChrome.hideJoinCommunity && (
                  <a
                    href="https://www.facebook.com/groups/yatrawordpressplugin"
                    target="_blank"
                    rel="noopener noreferrer"
                    className="inline-flex items-center gap-2 px-3 py-2 text-sm text-gray-600 dark:text-gray-300 hover:text-gray-900 dark:hover:text-white hover:bg-gray-100 dark:hover:bg-gray-700 rounded-lg transition-colors"
                  >
                    <MessageSquare className="w-4 h-4 shrink-0" aria-hidden />
                    {__("Join Community", "yatra")}
                  </a>
                )}

                {/* Flush permalink (same API as Settings → Permalink); icon + native title for tooltip */}
                <Button
                  type="button"
                  variant="outline"
                  size="icon"
                  onClick={() => flushRewriteRulesMutation.mutate()}
                  disabled={flushRewriteRulesMutation.isPending}
                  className="h-9 w-9 shrink-0 border-gray-300 dark:border-gray-600"
                  title={
                    flushRewriteRulesMutation.isPending
                      ? __("Flushing...", "yatra")
                      : __("Flush permalink", "yatra")
                  }
                  aria-label={
                    flushRewriteRulesMutation.isPending
                      ? __("Flushing rewrite rules", "yatra")
                      : __("Flush permalink", "yatra")
                  }
                >
                  <RotateCcw
                    className={`h-4 w-4 ${flushRewriteRulesMutation.isPending ? "animate-spin" : ""}`}
                    aria-hidden
                  />
                </Button>

                <ConditionalRender capability="yatra_edit_trips">
                  <Button
                    variant={currentSubpage === "tools" ? "default" : "outline"}
                    onClick={() => {
                      navigateMenu("tools");
                    }}
                    className={`flex items-center gap-2 ${
                      currentSubpage === "tools"
                        ? "bg-blue-600 hover:bg-blue-700 text-white border-blue-600"
                        : ""
                    }`}
                  >
                    <Wrench className="w-4 h-4" />
                    {__("Tools", "yatra")}
                  </Button>
                </ConditionalRender>
                <ConditionalRender capability="yatra_edit_trips">
                  <div className="relative">
                    <button
                      onClick={() => setIsModulesPanelOpen((prev) => !prev)}
                      className={`p-2 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-700 text-gray-600 dark:text-gray-400 ${isModulesPanelOpen ? "bg-gray-100 dark:bg-gray-700" : ""}`}
                      aria-label={__("Toggle modules panel", "yatra")}
                    >
                      <Puzzle className="w-5 h-5" />
                    </button>
                    {isModulesPanelOpen && (
                      <div
                        ref={modulesPanelRef}
                        className="absolute right-0 top-12 z-50 w-80"
                      >
                        <Card className="shadow-xl border border-gray-200 dark:border-gray-700">
                          <CardHeader className="pb-3">
                            <div className="flex items-center justify-between">
                              <div>
                                <CardTitle className="text-base">
                                  {__("Modules", "yatra")}
                                </CardTitle>
                                <CardDescription>
                                  {__(
                                    "Quickly enable or disable feature packs.",
                                    "yatra",
                                  )}
                                </CardDescription>
                              </div>
                              <Button
                                size="sm"
                                variant="ghost"
                                onClick={() => {
                                  setIsModulesPanelOpen(false);
                                  navigateMenu("modules");
                                }}
                              >
                                {__("Open", "yatra")}
                              </Button>
                            </div>
                          </CardHeader>
                          <CardContent className="space-y-3">
                            {isLoadingModules && (
                              <div className="flex items-center gap-2 text-gray-500 dark:text-gray-400 text-sm">
                                <Loader2 className="w-4 h-4 animate-spin" />
                                {__("Loading modules…", "yatra")}
                              </div>
                            )}
                            {!isLoadingModules &&
                              modulesPreview.length === 0 && (
                                <div className="text-sm text-gray-500 dark:text-gray-400">
                                  {__("No modules found.", "yatra")}
                                </div>
                              )}
                            {!isLoadingModules && modulesPreview.length > 0 && (
                              <div className="space-y-3">
                                {modulesPreview.map((module) => (
                                  <div
                                    key={module.slug}
                                    className="flex items-center justify-between border border-gray-100 dark:border-gray-800 rounded-lg p-2"
                                  >
                                    <div>
                                      <p className="text-sm font-medium text-gray-900 dark:text-white flex items-center gap-2">
                                        {module.name}
                                        {module.is_core && (
                                          <Badge
                                            variant="outline"
                                            className="text-[10px]"
                                          >
                                            {__("Core", "yatra")}
                                          </Badge>
                                        )}
                                      </p>
                                      <p className="text-xs text-gray-500 dark:text-gray-400">
                                        {module.enabled
                                          ? __("Enabled", "yatra")
                                          : __("Disabled", "yatra")}
                                      </p>
                                    </div>
                                    <button
                                      onClick={() =>
                                        handleQuickToggle(
                                          module,
                                          !module.enabled,
                                        )
                                      }
                                      disabled={
                                        module.is_core ||
                                        toggleModuleMutation.isPending
                                      }
                                      className={`relative inline-flex h-6 w-11 items-center rounded-full transition ${
                                        module.enabled
                                          ? "bg-blue-600"
                                          : "bg-gray-300 dark:bg-gray-600"
                                      } ${module.is_core ? "opacity-60 cursor-not-allowed" : "cursor-pointer"}`}
                                      aria-pressed={module.enabled}
                                      aria-label={
                                        module.enabled
                                          ? __("Disable module", "yatra")
                                          : __("Enable module", "yatra")
                                      }
                                    >
                                      <span
                                        className={`inline-block h-5 w-5 transform rounded-full bg-white transition ${
                                          module.enabled
                                            ? "translate-x-5"
                                            : "translate-x-1"
                                        }`}
                                      />
                                    </button>
                                  </div>
                                ))}
                              </div>
                            )}
                            <div className="pt-2">
                              <Button
                                variant="outline"
                                size="sm"
                                className="w-full"
                                onClick={() => {
                                  setIsModulesPanelOpen(false);
                                  navigateMenu("modules");
                                }}
                              >
                                {__("Manage all modules", "yatra")}
                              </Button>
                            </div>
                          </CardContent>
                        </Card>
                      </div>
                    )}
                  </div>
                </ConditionalRender>
                <button
                  onClick={() => {
                    setDarkMode(!darkMode);
                  }}
                  className="p-2 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-700 text-gray-600 dark:text-gray-400"
                  aria-label={
                    darkMode ? "Switch to light mode" : "Switch to dark mode"
                  }
                >
                  {darkMode ? (
                    <Sun className="w-5 h-5" />
                  ) : (
                    <Moon className="w-5 h-5" />
                  )}
                </button>

                <div className="relative">
                  <button
                    onClick={() => setIsUserDropdownOpen((prev) => !prev)}
                    className="flex items-center gap-3 pl-4 border-l border-gray-200 dark:border-gray-700 hover:bg-gray-100 dark:hover:bg-gray-700 p-2 transition-colors"
                    aria-label={__("User menu", "yatra")}
                  >
                    <div className="w-8 h-8 rounded-full overflow-hidden bg-gray-200 dark:bg-gray-700">
                      <img
                        src={getGravatarUrl(32)}
                        alt={__("User avatar", "yatra")}
                        className="w-full h-full object-cover"
                        onError={(e) => {
                          e.currentTarget.style.display = "none";
                          e.currentTarget.parentElement!.innerHTML =
                            '<svg class="w-5 h-5 text-gray-600 dark:text-gray-400 m-auto" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z"></path></svg>';
                        }}
                      />
                    </div>
                  </button>

                  {isUserDropdownOpen && (
                    <div
                      ref={userDropdownRef}
                      className="absolute right-0 top-12 z-50 w-64"
                    >
                      <Card className="shadow-xl border border-gray-200 dark:border-gray-700">
                        <CardContent className="p-0">
                          <div className="px-4 py-3 border-b border-gray-200 dark:border-gray-700">
                            <div className="flex items-center gap-3">
                              <div className="w-10 h-10 rounded-full overflow-hidden bg-gray-200 dark:bg-gray-700">
                                <img
                                  src={getGravatarUrl(40)}
                                  alt={__("User avatar", "yatra")}
                                  className="w-full h-full object-cover"
                                  onError={(e) => {
                                    e.currentTarget.style.display = "none";
                                    e.currentTarget.parentElement!.innerHTML =
                                      '<svg class="w-6 h-6 text-gray-600 dark:text-gray-400 m-auto" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z"></path></svg>';
                                  }}
                                />
                              </div>
                              <div className="flex-1 min-w-0">
                                <div className="text-sm font-medium text-gray-900 dark:text-white truncate">
                                  {(window as any)?.yatraAdmin
                                    ?.currentUserDisplayName ||
                                    (window as any)?.yatraAdmin
                                      ?.currentUserLogin ||
                                    "Admin"}
                                </div>
                                <div className="text-xs text-gray-500 dark:text-gray-400 truncate">
                                  {(window as any)?.yatraAdmin
                                    ?.currentUserEmail || ""}
                                </div>
                              </div>
                            </div>
                          </div>

                          <a
                            href={`${(window as any)?.yatraAdmin?.siteUrl || ""}/wp-admin/profile.php`}
                            target="_blank"
                            rel="noopener noreferrer"
                            className="w-full text-left px-4 py-3 text-sm text-gray-700 dark:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-700 flex items-center gap-3 transition-colors"
                          >
                            <User className="w-4 h-4" />
                            {__("Edit Profile", "yatra")}
                          </a>

                          <a
                            href={`${(window as any)?.yatraAdmin?.siteUrl || ""}/wp-admin/`}
                            target="_blank"
                            rel="noopener noreferrer"
                            className="w-full text-left px-4 py-3 text-sm text-gray-700 dark:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-700 flex items-center gap-3 transition-colors"
                          >
                            <svg
                              className="w-4 h-4"
                              fill="none"
                              stroke="currentColor"
                              viewBox="0 0 24 24"
                            >
                              <path
                                strokeLinecap="round"
                                strokeLinejoin="round"
                                strokeWidth={2}
                                d="M10 19l-7-7m0 0l7-7m-7 7h18"
                              />
                            </svg>
                            {__("Back to WordPress", "yatra")}
                          </a>

                          <button
                            onClick={() => {
                              const admin = (window as any)?.yatraAdmin;
                              const siteUrl = admin?.siteUrl || "";
                              window.location.href = `${siteUrl}/wp-login.php?action=logout`;
                            }}
                            className="w-full text-left px-4 py-3 text-sm text-red-600 dark:text-red-400 hover:bg-red-50 dark:hover:bg-red-950/20 flex items-center gap-3 transition-colors"
                          >
                            <svg
                              className="w-4 h-4"
                              fill="none"
                              stroke="currentColor"
                              viewBox="0 0 24 24"
                            >
                              <path
                                strokeLinecap="round"
                                strokeLinejoin="round"
                                strokeWidth={2}
                                d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1"
                              />
                            </svg>
                            {__("Logout", "yatra")}
                          </button>
                        </CardContent>
                      </Card>
                    </div>
                  )}
                </div>
              </div>
            </div>
          </header>

          {/* Admin notices (Review / Buy Pro, etc.) */}
          <InlineNotices />

          {/* License Warning Banner */}
          {isProPluginActive() &&
            licenseStatus &&
            licenseStatus !== "active" && (
              <div className="bg-red-50 dark:bg-red-950/30 border-l-4 border-b-2 border-red-500">
                <div className="px-6 py-3">
                  <div className="flex items-center gap-4">
                    <div className="flex-shrink-0">
                      <div className="w-10 h-10 rounded-lg bg-red-500 flex items-center justify-center">
                        <svg
                          className="w-6 h-6 text-white"
                          fill="currentColor"
                          viewBox="0 0 20 20"
                        >
                          <path
                            fillRule="evenodd"
                            d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z"
                            clipRule="evenodd"
                          />
                        </svg>
                      </div>
                    </div>
                    <div className="flex-1 min-w-0">
                      <p className="text-sm font-medium text-red-800 dark:text-red-200">
                        <span className="font-semibold">
                          {licenseStatus === "expired"
                            ? "License Expired: "
                            : licenseStatus === "invalid"
                              ? "Invalid License: "
                              : "License Not Activated: "}
                        </span>
                        {licenseStatus === "expired"
                          ? "Renew your license to continue receiving updates and support."
                          : licenseStatus === "invalid"
                            ? "Please check your license key."
                            : "Activate your license to receive updates and support."}
                      </p>
                    </div>
                    <a
                      href={getUrl("license")}
                      onClick={(e) => handleMenuNavClick(e, "license")}
                      className="flex-shrink-0 px-4 py-2 bg-red-600 hover:bg-red-700 text-white text-sm font-medium rounded-md transition-colors"
                    >
                      {licenseStatus === "expired"
                        ? "Renew Now"
                        : "Activate Now"}
                    </a>
                  </div>
                </div>
              </div>
            )}

          {/* Page Content */}
          <main
            className={`flex-1 ${isTripFormPage ? "p-0 overflow-hidden flex flex-col" : "p-6 overflow-y-auto"}`}
          >
            <div
              className={
                isTripFormPage
                  ? "flex-1 min-h-0 overflow-hidden flex flex-col"
                  : currentSubpage === "tools"
                    ? ""
                    : "space-y-6"
              }
            >
              {children}
            </div>
          </main>
        </div>
      </div>
    </div>
  );
};

export default Layout;