import React, { useCallback, useEffect, useState } from "react";
import { BarChart2, CalendarDays, Check, FileText, Globe, Image, Images, Link2, Mail, MessageSquare, Palette, Plus, Share2, ShieldCheck, Sparkles, Store, Tag, Ticket, Trophy, Upload } from "lucide-react";
import { useBreakpoint } from "../../hooks/useBreakpoint";
import { useAppNav } from "../../contexts/AppNavContext";
import { useAuth } from "../../contexts/AuthContext";
import { usePermission } from "../../hooks/usePermission";
import { eventsApi } from "../../../services/api/events";
import { eventStaffApi } from "../../../services/api/eventStaff";
import { quizPollsApi } from "../../../services/api/quizPolls";
import { badgeBatchesApi } from "../../../services/api/badgeBatches";
import { eventTicketsApi } from "../../../services/api/eventTickets";
import { campaignsApi } from "../../../services/api/campaigns";
import { countConfiguredRewardRules, RewardRulesSettingsPanel } from "../rewards/rewardRulesSettings";
import { ManageStaticMicrositePanel } from "../microsite-v2/ManageStaticMicrositePanel";
import { VisitorThemeSettingsPanel } from "../panels/VisitorThemeSettingsPanel";
import { CreateFormPanel } from "../panels/CreateFormPanel";
import { CreateEmailCampaignPanel } from "../panels/CreateEmailCampaignPanel";
import { FormSubmissionsPanel } from "../panels/FormSubmissionsPanel";
import { ShareFormPanel } from "../forms/ShareFormPanel";
import { CreateBadgePanel } from "../panels/CreateBadgePanel";
import { EventBadgesPanel } from "./EventBadgesPanel";
import { EventDocumentsPanel } from "./EventDocumentsPanel";
import { PhotoWallManagePanel } from "./PhotoWallManagePanel";
import { SocialShareManagePanel } from "./SocialShareManagePanel";
import { AiAvatarManagePanel } from "./AiAvatarManagePanel";
import { EventPhotoSearchPanel } from "../panels/EventPhotoSearchPanel";
import { photoWallApi } from "../../../services/api/photoWall";
import { eventPhotoSearchApi } from "../../../services/api/eventPhotoSearch";
import { socialShareApi } from "../../../services/api/socialShare";
import { aiAvatarApi } from "../../../services/api/aiAvatar";
import { photoWallUploadUrl, photoWallPresentUrl } from "../../utils/photoWallUrls";
import { photoSearchVisitorUrl } from "../../utils/photoSearchUrls";
import { socialShareVisitorUrl } from "../../utils/socialShareUrls";
import { aiAvatarVisitorUrl } from "../../utils/aiAvatarUrls";
import { EventEmailCampaignsPanel } from "./EventEmailCampaignsPanel";
import { WhatsAppBlastHistoryPanel } from "./WhatsAppBlastHistoryPanel";
import { SendWhatsAppNotificationPanel } from "./SendWhatsAppNotificationPanel";
import { whatsappBlastsApi } from "../../../services/api/whatsappBlasts";
import { EventExhibitorsPanel } from "./EventExhibitorsPanel";
import { AddExhibitorPanel } from "../panels/AddExhibitorPanel";
import { AddQuizPollModal, buildQuizPollSettingsPayload } from "../quiz/AddQuizPollModal";
import type { QuizPollModalForm } from "../quiz/AddQuizPollModal";
import type { Question } from "../quiz/AddQuestionModal";
import { modalQuestionToApi } from "../quiz/quizQuestionMappers";
import {
  sessionsApi,
  tracksApi,
  formsApi,
  staticMicrositeApi,
  staticMicrositePublicUrl,
  visitorThemeApi,
  exhibitorsApi,
  type ApiExhibitor,
} from "../../../services/api";
import type { FormWithSubmissionCount } from "../../../services/api/types";
import { publicFormPageUrl } from "../../utils/publicFormUrl";

function ModuleCard({
  icon,
  title,
  description,
  meta,
  headerAction,
  actions,
}: {
  icon: React.ReactNode;
  title: string;
  description?: string;
  meta?: string;
  headerAction?: React.ReactNode;
  actions: React.ReactNode;
}) {
  const bp = useBreakpoint();
  const isMobile = bp === "mobile";

  return (
    <div
      style={{
        background: "var(--card)",
        border: "1px solid var(--border)",
        borderRadius: "var(--radius-card)",
        padding: isMobile ? "14px" : "16px",
        display: "flex",
        flexDirection: "column",
        gap: "12px",
        minHeight: "auto",
      }}
    >
      <div style={{ display: "flex", alignItems: "flex-start", gap: "10px", flex: 1 }}>
        <div
          style={{
            width: "36px",
            height: "36px",
            borderRadius: "var(--radius-button)",
            background: "color-mix(in srgb, var(--primary) 12%, transparent)",
            color: "var(--primary)",
            display: "flex",
            alignItems: "center",
            justifyContent: "center",
            flexShrink: 0,
          }}
        >
          {icon}
        </div>
        <div style={{ minWidth: 0, flex: 1 }}>
          <div style={{ display: "flex", alignItems: "flex-start", gap: "6px" }}>
            <p
              style={{
                fontFamily: "var(--font-inter)",
                fontSize: "var(--text-base)",
                fontWeight: "var(--font-weight-medium)",
                color: "var(--foreground)",
                margin: 0,
                lineHeight: 1.3,
                flex: 1,
                minWidth: 0,
              }}
            >
              {title}
            </p>
            {headerAction}
          </div>
          {description ? (
            <p
              style={{
                fontSize: "var(--text-xs)",
                fontFamily: "var(--font-noto-sans)",
                color: "var(--muted)",
                margin: "4px 0 0",
                lineHeight: 1.4,
              }}
            >
              {description}
            </p>
          ) : null}
          {meta ? (
            <p
              style={{
                fontSize: "var(--text-xs)",
                fontFamily: "var(--font-noto-sans)",
                color: "var(--muted)",
                margin: "6px 0 0",
              }}
            >
              {meta}
            </p>
          ) : null}
        </div>
      </div>
      <div style={{ display: "flex", gap: "6px", flexWrap: "nowrap" }}>{actions}</div>
    </div>
  );
}

function moduleButtonStyle(primary = false): React.CSSProperties {
  return {
    display: "inline-flex",
    alignItems: "center",
    justifyContent: "center",
    gap: "6px",
    flex: "1 1 0",
    minWidth: 0,
    padding: "6px 8px",
    borderRadius: "var(--radius-button)",
    border: primary ? "1px solid var(--primary)" : "1px solid var(--border)",
    background: "var(--card)",
    color: primary ? "var(--primary)" : "var(--card-foreground)",
    fontSize: "var(--text-xs)",
    fontFamily: "var(--font-noto-sans)",
    fontWeight: "var(--font-weight-medium)",
    cursor: "pointer",
  };
}

function formDisplayType(apiType: string): string {
  if (apiType === "feedback") return "Feedback";
  if (apiType === "registration") return "Registration";
  if (apiType === "web-check-in") return "Web check-in";
  if (apiType === "other") return "Other";
  if (apiType === "survey" || apiType === "custom") return "Other";
  return apiType.charAt(0).toUpperCase() + apiType.slice(1);
}

const NEW_FORM_OPTIONS: { value: "registration" | "feedback" | "web-check-in" | "other"; label: string }[] = [
  { value: "registration", label: "Registration" },
  { value: "feedback", label: "Feedback" },
  { value: "web-check-in", label: "Web check-in" },
  { value: "other", label: "Other" },
];

function formPanelMode(apiType: string): "feedback" | "registration" | "other" | "web-check-in" {
  if (apiType === "feedback") return "feedback";
  if (apiType === "registration") return "registration";
  if (apiType === "web-check-in") return "web-check-in";
  return "other";
}

function formMetaLine(form: FormWithSubmissionCount): string {
  const count = form.submissionCount ?? 0;
  return `${formDisplayType(form.type)} · ${count.toLocaleString()} response${count === 1 ? "" : "s"}`;
}

function formLinkCopyButtonStyle(copied: boolean): React.CSSProperties {
  return {
    width: "26px",
    height: "26px",
    display: "flex",
    alignItems: "center",
    justifyContent: "center",
    borderRadius: "var(--radius-button)",
    border: "1px solid var(--border)",
    background: copied ? "#dcfce7" : "var(--card)",
    color: copied ? "#15803d" : "var(--muted)",
    cursor: "pointer",
    flexShrink: 0,
    padding: 0,
  };
}

function formHeaderIconButtonStyle(): React.CSSProperties {
  return {
    ...formLinkCopyButtonStyle(false),
    color: "var(--muted)",
  };
}

export function EventHomeModules() {
  const { selectedEventId, setActiveNav, setPermissionsOpenAddOnce, setOpenAgendaSessionPanelOnce } = useAppNav();
  const { user } = useAuth();
  const { canModule } = usePermission();
  const isSuperAdmin = user?.role === "super_admin";
  const canReadForms = canModule("forms", "read");
  const canWriteForms = canModule("forms", "write");
  const canReadSessions = canModule("sessions", "read");
  const canWriteSessions = canModule("sessions", "write");
  const canReadUserMgmt = canModule("user_management", "read");
  const canWriteUserMgmt = canModule("user_management", "write");
  const canReadActivities =
    canModule("live_polls", "read") || canModule("multiple_quiz_modes", "read");
  const canWriteActivities =
    canModule("live_polls", "write") || canModule("multiple_quiz_modes", "write");
  const canReadBadges = canModule("custom_badge_and_print_file_creation", "read");
  const canWriteBadges = canModule("custom_badge_and_print_file_creation", "write");
  const canReadTicketing = canModule("ticketing_free_and_paid", "read");
  const canReadMicrosite = canModule("event_website", "read");
  const canReadRewards = canModule("gamification", "read");
  const canReadWebCheckIn = canModule("web_check_in", "read");
  const canWriteWebCheckIn = canModule("web_check_in", "write");
  const canReadDocuments = canModule("content_management", "read");
  const canReadPhotoWall = canModule("photo_wall", "read");
  const canWritePhotoWall = canModule("photo_wall", "write");
  const canReadSocialShare = canModule("social_share", "read");
  const canWriteSocialShare = canModule("social_share", "write");
  const canReadAiAvatar = canModule("ai_avatar", "read");
  const canWriteAiAvatar = canModule("ai_avatar", "write");
  const canReadEmailCampaigns = canModule("email_outreach_campaigns", "read");
  const canWriteEmailCampaigns = canModule("email_outreach_campaigns", "write");
  const canReadWaNotifications = canModule("custom_template_for_wa_messaging", "read");
  const canWriteWaNotifications = canModule("custom_template_for_wa_messaging", "write");
  const canReadExhibitors = canModule("exhibitors", "read");
  const canWriteExhibitors = canModule("exhibitors", "write");
  const bp = useBreakpoint();
  const isMobile = bp === "mobile";
  const isTablet = bp === "tablet";
  const gridTemplateColumns = isMobile
    ? "1fr"
    : isTablet
      ? "repeat(2, minmax(0, 1fr))"
      : "repeat(auto-fill, minmax(240px, 1fr))";
  const [eventForms, setEventForms] = useState<FormWithSubmissionCount[]>([]);
  const [formEditTarget, setFormEditTarget] = useState<FormWithSubmissionCount | null>(null);
  const [formResponsesTarget, setFormResponsesTarget] = useState<FormWithSubmissionCount | null>(null);
  const [formShareTarget, setFormShareTarget] = useState<FormWithSubmissionCount | null>(null);
  const [newFormMode, setNewFormMode] = useState<"registration" | "feedback" | "other" | "web-check-in" | null>(null);
  const [newFormType, setNewFormType] = useState<"registration" | "feedback" | "web-check-in" | "other">("registration");
  const [copiedFormLinkId, setCopiedFormLinkId] = useState<string | null>(null);
  const [pollQuizCounts, setPollQuizCounts] = useState({ polls: 0, quizzes: 0 });
  const [pollQuizLoading, setPollQuizLoading] = useState(false);
  const [showAddPoll, setShowAddPoll] = useState(false);
  const [showAddQuiz, setShowAddQuiz] = useState(false);
  const [staffCounts, setStaffCounts] = useState({ members: 0, invites: 0 });
  const [staffLoading, setStaffLoading] = useState(false);
  const [badgeCount, setBadgeCount] = useState(0);
  const [badgeLoading, setBadgeLoading] = useState(false);
  const [eventName, setEventName] = useState<string | null>(null);
  const [badgesOpen, setBadgesOpen] = useState(false);
  const [showAddBadge, setShowAddBadge] = useState(false);
  const [duplicateBadgeBatchId, setDuplicateBadgeBatchId] = useState<string | null>(null);
  const [ticketCount, setTicketCount] = useState(0);
  const [ticketLoading, setTicketLoading] = useState(false);
  const [rewardRulesCount, setRewardRulesCount] = useState(0);
  const [rewardLoading, setRewardLoading] = useState(false);
  const [rewardRulesOpen, setRewardRulesOpen] = useState(false);
  const [staticMicrositeOpen, setStaticMicrositeOpen] = useState(false);
  const [staticMicrositeMeta, setStaticMicrositeMeta] = useState<string | null>(null);
  const [staticMicrositeLoading, setStaticMicrositeLoading] = useState(false);
  const [visitorThemeOpen, setVisitorThemeOpen] = useState(false);
  const [visitorThemeMeta, setVisitorThemeMeta] = useState<string | null>(null);
  const [visitorThemeLoading, setVisitorThemeLoading] = useState(false);
  const [agendaCounts, setAgendaCounts] = useState({ tracks: 0, sessions: 0 });
  const [agendaLoading, setAgendaLoading] = useState(false);
  const [eventSettings, setEventSettings] = useState<Record<string, unknown>>({});
  const [webCheckInEnabled, setWebCheckInEnabled] = useState(false);
  const [webCheckInLoading, setWebCheckInLoading] = useState(false);
  const [showDocumentsPanel, setShowDocumentsPanel] = useState(false);
  const [showEventPhotoSearchPanel, setShowEventPhotoSearchPanel] = useState(false);
  const [photoSearchEnabled, setPhotoSearchEnabled] = useState(false);
  const [photoSearchLoading, setPhotoSearchLoading] = useState(false);
  const [photoSearchCount, setPhotoSearchCount] = useState(0);
  const [photoSearchToken, setPhotoSearchToken] = useState<string | null>(null);
  const [copiedPhotoSearchLink, setCopiedPhotoSearchLink] = useState(false);
  const [showPhotoWallPanel, setShowPhotoWallPanel] = useState(false);
  const [photoWallEnabled, setPhotoWallEnabled] = useState(false);
  const [photoWallLoading, setPhotoWallLoading] = useState(false);
  const [photoWallCount, setPhotoWallCount] = useState(0);
  const [photoWallUploadToken, setPhotoWallUploadToken] = useState<string | null>(null);
  const [photoWallPresentToken, setPhotoWallPresentToken] = useState<string | null>(null);
  const [copiedPhotoWallLink, setCopiedPhotoWallLink] = useState<"upload" | "present" | null>(null);
  const [showSocialSharePanel, setShowSocialSharePanel] = useState(false);
  const [socialShareEnabled, setSocialShareEnabled] = useState(false);
  const [socialShareLoading, setSocialShareLoading] = useState(false);
  const [socialShareFrameCount, setSocialShareFrameCount] = useState(0);
  const [socialShareToken, setSocialShareToken] = useState<string | null>(null);
  const [copiedSocialShareLink, setCopiedSocialShareLink] = useState(false);
  const [showAiAvatarPanel, setShowAiAvatarPanel] = useState(false);
  const [aiAvatarEnabled, setAiAvatarEnabled] = useState(false);
  const [aiAvatarLoading, setAiAvatarLoading] = useState(false);
  const [aiAvatarCount, setAiAvatarCount] = useState(0);
  const [aiAvatarToken, setAiAvatarToken] = useState<string | null>(null);
  const [copiedAiAvatarLink, setCopiedAiAvatarLink] = useState(false);
  const [emailCampaignCount, setEmailCampaignCount] = useState(0);
  const [emailCampaignLoading, setEmailCampaignLoading] = useState(false);
  const [showCreateEmailCampaign, setShowCreateEmailCampaign] = useState(false);
  const [showEmailCampaignsPanel, setShowEmailCampaignsPanel] = useState(false);
  const [waBlastCount, setWaBlastCount] = useState(0);
  const [waBlastLoading, setWaBlastLoading] = useState(false);
  const [showWaBlastHistory, setShowWaBlastHistory] = useState(false);
  const [showSendWaNotification, setShowSendWaNotification] = useState(false);
  const [exhibitorCount, setExhibitorCount] = useState(0);
  const [exhibitorLoading, setExhibitorLoading] = useState(false);
  const [showExhibitorsPanel, setShowExhibitorsPanel] = useState(false);
  const [showAddExhibitor, setShowAddExhibitor] = useState(false);
  const [editingExhibitor, setEditingExhibitor] = useState<ApiExhibitor | null>(null);
  const actionsDisabled = !selectedEventId;
  const photoSearchHeaderButtonStyle: React.CSSProperties = {
    width: "26px",
    height: "26px",
    display: "inline-flex",
    alignItems: "center",
    justifyContent: "center",
    borderRadius: "var(--radius-button)",
    border: "1px solid var(--border)",
    background: "var(--card)",
    color: "var(--muted)",
    cursor: actionsDisabled ? "not-allowed" : "pointer",
    opacity: actionsDisabled ? 0.55 : 1,
    flexShrink: 0,
    padding: 0,
  };

  useEffect(() => {
    if (!selectedEventId) {
      setEventName(null);
      return;
    }
    let cancelled = false;
    void eventsApi.get(selectedEventId).then((res) => {
      if (cancelled) return;
      setEventName(res.data?.name ?? null);
      setEventSettings((res.data?.settings as Record<string, unknown> | undefined) ?? {});
      setWebCheckInEnabled(Boolean((res.data?.settings as Record<string, unknown> | undefined)?.webCheckInEnabled));
    });
    return () => {
      cancelled = true;
    };
  }, [selectedEventId]);

  const loadEventForms = useCallback(async () => {
    if (!selectedEventId) {
      setEventForms([]);
      return;
    }
    try {
      const forms = await formsApi.listForEvent(selectedEventId);
      const sorted = [...forms].sort((a, b) =>
        (a.name || "").localeCompare(b.name || "", undefined, { sensitivity: "base" }),
      );
      setEventForms(sorted);
    } catch {
      setEventForms([]);
    }
  }, [selectedEventId]);

  useEffect(() => {
    void loadEventForms();
  }, [loadEventForms]);

  const loadPollQuizCounts = useCallback(async () => {
    if (!selectedEventId) {
      setPollQuizCounts({ polls: 0, quizzes: 0 });
      setPollQuizLoading(false);
      return;
    }
    setPollQuizLoading(true);
    try {
      const res = await quizPollsApi.listByEvent(selectedEventId);
      const items = res.data?.quizPolls ?? [];
      setPollQuizCounts({
        polls: items.filter((q) => q.type === "poll").length,
        quizzes: items.filter((q) => q.type === "quiz").length,
      });
    } catch {
      setPollQuizCounts({ polls: 0, quizzes: 0 });
    } finally {
      setPollQuizLoading(false);
    }
  }, [selectedEventId]);

  useEffect(() => {
    void loadPollQuizCounts();
  }, [loadPollQuizCounts]);

  const loadStaffCounts = useCallback(async () => {
    if (!selectedEventId) {
      setStaffCounts({ members: 0, invites: 0 });
      setStaffLoading(false);
      return;
    }
    setStaffLoading(true);
    try {
      const res = await eventStaffApi.listStaff(selectedEventId);
      if (res.data) {
        setStaffCounts({
          members: res.data.members?.length ?? 0,
          invites: res.data.invites?.length ?? 0,
        });
      } else {
        setStaffCounts({ members: 0, invites: 0 });
      }
    } catch {
      setStaffCounts({ members: 0, invites: 0 });
    } finally {
      setStaffLoading(false);
    }
  }, [selectedEventId]);

  useEffect(() => {
    void loadStaffCounts();
  }, [loadStaffCounts]);

  const loadBadgeCount = useCallback(async () => {
    if (!selectedEventId) {
      setBadgeCount(0);
      setBadgeLoading(false);
      return;
    }
    setBadgeLoading(true);
    try {
      const res = await badgeBatchesApi.list({ event: selectedEventId, limit: 100 });
      setBadgeCount(res.data?.batches?.length ?? 0);
    } catch {
      setBadgeCount(0);
    } finally {
      setBadgeLoading(false);
    }
  }, [selectedEventId]);

  useEffect(() => {
    void loadBadgeCount();
  }, [loadBadgeCount]);

  const loadTicketCount = useCallback(async () => {
    if (!selectedEventId) {
      setTicketCount(0);
      setTicketLoading(false);
      return;
    }
    setTicketLoading(true);
    try {
      const tickets = await eventTicketsApi.list(selectedEventId);
      setTicketCount(tickets.length);
    } catch {
      setTicketCount(0);
    } finally {
      setTicketLoading(false);
    }
  }, [selectedEventId]);

  useEffect(() => {
    void loadTicketCount();
  }, [loadTicketCount]);

  const loadRewardRulesMeta = useCallback(async () => {
    if (!selectedEventId) {
      setRewardRulesCount(0);
      setRewardLoading(false);
      return;
    }
    setRewardLoading(true);
    try {
      const res = await eventsApi.get(selectedEventId);
      setRewardRulesCount(countConfiguredRewardRules(res.data?.rewardRules));
    } catch {
      setRewardRulesCount(0);
    } finally {
      setRewardLoading(false);
    }
  }, [selectedEventId]);

  useEffect(() => {
    void loadRewardRulesMeta();
  }, [loadRewardRulesMeta]);

  const loadStaticMicrositeMeta = useCallback(async () => {
    if (!selectedEventId) {
      setStaticMicrositeMeta(null);
      setStaticMicrositeLoading(false);
      return;
    }
    setStaticMicrositeLoading(true);
    try {
      const res = await staticMicrositeApi.getForEvent(selectedEventId);
      if (res.data?.subdomain) {
        const status = res.data.status === "published" ? "Published" : "Draft";
        setStaticMicrositeMeta(`${staticMicrositePublicUrl(res.data.subdomain)} · ${status}`);
      } else {
        setStaticMicrositeMeta("Not configured");
      }
    } catch {
      setStaticMicrositeMeta("Not configured");
    } finally {
      setStaticMicrositeLoading(false);
    }
  }, [selectedEventId]);

  useEffect(() => {
    void loadStaticMicrositeMeta();
  }, [loadStaticMicrositeMeta]);

  const loadVisitorThemeMeta = useCallback(async () => {
    if (!selectedEventId) {
      setVisitorThemeMeta(null);
      setVisitorThemeLoading(false);
      return;
    }
    setVisitorThemeLoading(true);
    try {
      const res = await visitorThemeApi.get(selectedEventId);
      const mode = res.data?.theme;
      if (mode === "gradient") setVisitorThemeMeta("Gradient");
      else if (mode === "background") setVisitorThemeMeta("Background");
      else setVisitorThemeMeta("Simple");
    } catch {
      setVisitorThemeMeta("Simple");
    } finally {
      setVisitorThemeLoading(false);
    }
  }, [selectedEventId]);

  useEffect(() => {
    void loadVisitorThemeMeta();
  }, [loadVisitorThemeMeta]);

  const loadAgendaMeta = useCallback(async () => {
    if (!selectedEventId) {
      setAgendaCounts({ tracks: 0, sessions: 0 });
      setAgendaLoading(false);
      return;
    }
    setAgendaLoading(true);
    try {
      const [trRes, sesRes] = await Promise.all([
        tracksApi.list(selectedEventId),
        sessionsApi.list(selectedEventId),
      ]);
      const tracks = (trRes.data as { tracks?: unknown[] } | undefined)?.tracks ?? [];
      const sessions = (sesRes.data as { sessions?: unknown[] } | undefined)?.sessions ?? [];
      setAgendaCounts({ tracks: tracks.length, sessions: sessions.length });
    } catch {
      setAgendaCounts({ tracks: 0, sessions: 0 });
    } finally {
      setAgendaLoading(false);
    }
  }, [selectedEventId]);

  useEffect(() => {
    void loadAgendaMeta();
  }, [loadAgendaMeta]);

  const loadEmailCampaignMeta = useCallback(async () => {
    if (!selectedEventId) {
      setEmailCampaignCount(0);
      setEmailCampaignLoading(false);
      return;
    }
    setEmailCampaignLoading(true);
    try {
      const res = await campaignsApi.listForEvent(selectedEventId);
      const campaigns = res.data?.campaigns ?? [];
      setEmailCampaignCount(campaigns.filter((c) => c.channel === "email").length);
    } catch {
      setEmailCampaignCount(0);
    } finally {
      setEmailCampaignLoading(false);
    }
  }, [selectedEventId]);

  useEffect(() => {
    void loadEmailCampaignMeta();
  }, [loadEmailCampaignMeta]);

  const loadWaBlastMeta = useCallback(async () => {
    if (!selectedEventId || !canReadWaNotifications) {
      setWaBlastCount(0);
      setWaBlastLoading(false);
      return;
    }
    setWaBlastLoading(true);
    try {
      const res = await whatsappBlastsApi.list(selectedEventId);
      setWaBlastCount(res.data?.blasts?.length ?? 0);
    } catch {
      setWaBlastCount(0);
    } finally {
      setWaBlastLoading(false);
    }
  }, [selectedEventId, canReadWaNotifications]);

  useEffect(() => {
    void loadWaBlastMeta();
  }, [loadWaBlastMeta]);

  const loadExhibitorMeta = useCallback(async () => {
    if (!selectedEventId) {
      setExhibitorCount(0);
      setExhibitorLoading(false);
      return;
    }
    setExhibitorLoading(true);
    try {
      const res = await exhibitorsApi.list(selectedEventId);
      setExhibitorCount(res.data?.total ?? res.data?.exhibitors?.length ?? 0);
    } catch {
      setExhibitorCount(0);
    } finally {
      setExhibitorLoading(false);
    }
  }, [selectedEventId]);

  useEffect(() => {
    void loadExhibitorMeta();
  }, [loadExhibitorMeta]);

  const loadPhotoWallMeta = useCallback(async () => {
    if (!selectedEventId || !canReadPhotoWall) {
      setPhotoWallEnabled(false);
      setPhotoWallCount(0);
      setPhotoWallUploadToken(null);
      setPhotoWallPresentToken(null);
      setPhotoWallLoading(false);
      return;
    }
    setPhotoWallLoading(true);
    try {
      const res = await photoWallApi.get(selectedEventId);
      const data = res.data;
      setPhotoWallEnabled(Boolean(data?.enabled));
      setPhotoWallCount(data?.photoCounts?.total ?? 0);
      setPhotoWallUploadToken(data?.uploadToken ?? null);
      setPhotoWallPresentToken(data?.presentToken ?? null);
    } catch {
      setPhotoWallEnabled(false);
      setPhotoWallCount(0);
      setPhotoWallUploadToken(null);
      setPhotoWallPresentToken(null);
    } finally {
      setPhotoWallLoading(false);
    }
  }, [selectedEventId, canReadPhotoWall]);

  useEffect(() => {
    void loadPhotoWallMeta();
  }, [loadPhotoWallMeta]);

  const loadSocialShareMeta = useCallback(async () => {
    if (!selectedEventId || !canReadSocialShare) {
      setSocialShareEnabled(false);
      setSocialShareFrameCount(0);
      setSocialShareToken(null);
      setSocialShareLoading(false);
      return;
    }
    setSocialShareLoading(true);
    try {
      const res = await socialShareApi.get(selectedEventId);
      const data = res.data;
      setSocialShareEnabled(Boolean(data?.enabled));
      setSocialShareFrameCount(data?.frameCount ?? data?.frames?.length ?? 0);
      setSocialShareToken(data?.uploadToken ?? null);
    } catch {
      setSocialShareEnabled(false);
      setSocialShareFrameCount(0);
      setSocialShareToken(null);
    } finally {
      setSocialShareLoading(false);
    }
  }, [selectedEventId, canReadSocialShare]);

  useEffect(() => {
    void loadSocialShareMeta();
  }, [loadSocialShareMeta]);

  const loadAiAvatarMeta = useCallback(async () => {
    if (!selectedEventId || !canReadAiAvatar) {
      setAiAvatarEnabled(false);
      setAiAvatarCount(0);
      setAiAvatarToken(null);
      setAiAvatarLoading(false);
      return;
    }
    setAiAvatarLoading(true);
    try {
      const res = await aiAvatarApi.get(selectedEventId);
      const data = res.data;
      setAiAvatarEnabled(Boolean(data?.enabled));
      setAiAvatarCount(data?.avatarCount ?? data?.avatars?.length ?? 0);
      setAiAvatarToken(data?.uploadToken ?? null);
    } catch {
      setAiAvatarEnabled(false);
      setAiAvatarCount(0);
      setAiAvatarToken(null);
    } finally {
      setAiAvatarLoading(false);
    }
  }, [selectedEventId, canReadAiAvatar]);

  useEffect(() => {
    void loadAiAvatarMeta();
  }, [loadAiAvatarMeta]);

  const loadPhotoSearchMeta = useCallback(async () => {
    if (!selectedEventId) {
      setPhotoSearchEnabled(false);
      setPhotoSearchCount(0);
      setPhotoSearchToken(null);
      setPhotoSearchLoading(false);
      return;
    }
    setPhotoSearchLoading(true);
    try {
      const res = await eventPhotoSearchApi.get(selectedEventId);
      const data = res.data;
      setPhotoSearchEnabled(Boolean(data?.enabled));
      setPhotoSearchCount(data?.photoCount ?? 0);
      setPhotoSearchToken(data?.searchToken ?? null);
    } catch {
      setPhotoSearchEnabled(false);
      setPhotoSearchCount(0);
      setPhotoSearchToken(null);
    } finally {
      setPhotoSearchLoading(false);
    }
  }, [selectedEventId]);

  useEffect(() => {
    void loadPhotoSearchMeta();
  }, [loadPhotoSearchMeta]);

  const handleBadgeSuccess = () => {
    setShowAddBadge(false);
    setDuplicateBadgeBatchId(null);
    void loadBadgeCount();
  };

  const openAddBadge = () => {
    setDuplicateBadgeBatchId(null);
    setShowAddBadge(true);
  };

  const openDuplicateBadge = (batchId: string) => {
    setBadgesOpen(false);
    setDuplicateBadgeBatchId(batchId);
    setShowAddBadge(true);
  };

  const handleFormEditSuccess = () => {
    setFormEditTarget(null);
    void loadEventForms();
  };

  const handleNewFormSuccess = () => {
    setNewFormMode(null);
    void loadEventForms();
  };

  const copyFormPublicLink = useCallback(
    (form: FormWithSubmissionCount) => {
      const url = publicFormPageUrl(form, selectedEventId);
      void navigator.clipboard.writeText(url).then(() => {
        setCopiedFormLinkId(form._id);
        window.setTimeout(() => {
          setCopiedFormLinkId((prev) => (prev === form._id ? null : prev));
        }, 4000);
      });
    },
    [selectedEventId],
  );

  const pollQuizMeta = !selectedEventId
    ? "Select an event to create polls and quizzes"
    : pollQuizLoading
      ? "Loading…"
      : `${pollQuizCounts.polls} poll${pollQuizCounts.polls === 1 ? "" : "s"} · ${pollQuizCounts.quizzes} quiz${pollQuizCounts.quizzes === 1 ? "" : "zes"}`;
  const permissionsMeta = !selectedEventId
    ? "Select an event to manage team access"
    : staffLoading
      ? "Loading…"
      : `${staffCounts.members} member${staffCounts.members === 1 ? "" : "s"} · ${staffCounts.invites} pending invite${staffCounts.invites === 1 ? "" : "s"}`;
  const badgeMeta = !selectedEventId
    ? "Select an event to manage badges"
    : badgeLoading
      ? "Loading…"
      : `${badgeCount} badge${badgeCount === 1 ? "" : "s"}`;
  const ticketMeta = !selectedEventId
    ? "Select an event to configure tickets"
    : ticketLoading
      ? "Loading…"
      : `${ticketCount} ticket type${ticketCount === 1 ? "" : "s"}`;
  const rewardMeta = !selectedEventId
    ? "Select an event to configure reward rules"
    : rewardLoading
      ? "Loading…"
      : rewardRulesCount === 0
        ? "No rules configured"
        : `${rewardRulesCount} rule${rewardRulesCount === 1 ? "" : "s"} configured`;
  const visitorThemeCardMeta = !selectedEventId
    ? "Select an event to manage visitor theme"
    : visitorThemeLoading
      ? "Loading…"
      : visitorThemeMeta || "Simple";
  const micrositeMeta = !selectedEventId
    ? "Select an event to manage microsite"
    : staticMicrositeLoading
      ? "Loading…"
      : staticMicrositeMeta || "Not configured";
  const agendaMeta = !selectedEventId
    ? "Select an event to manage the agenda"
    : agendaLoading
      ? "Loading…"
      : `${agendaCounts.tracks} track${agendaCounts.tracks === 1 ? "" : "s"} · ${agendaCounts.sessions} session${agendaCounts.sessions === 1 ? "" : "s"}`;
  const emailCampaignMeta = !selectedEventId
    ? "Select an event to manage email campaigns"
    : emailCampaignLoading
      ? "Loading…"
      : `${emailCampaignCount} email campaign${emailCampaignCount === 1 ? "" : "s"}`;
  const waBlastMeta = !selectedEventId
    ? "Select an event to send WhatsApp notifications"
    : waBlastLoading
      ? "Loading…"
      : `${waBlastCount} notification${waBlastCount === 1 ? "" : "s"}`;
  const exhibitorMeta = !selectedEventId
    ? "Select an event to manage exhibitors"
    : exhibitorLoading
      ? "Loading…"
      : `${exhibitorCount} exhibitor${exhibitorCount === 1 ? "" : "s"}`;
  const webCheckInMeta = !selectedEventId
    ? "Select an event to configure web check-in"
    : webCheckInLoading
      ? "Saving…"
      : webCheckInEnabled
        ? "Enabled"
        : "Disabled";
  const photoWallMeta = !selectedEventId
    ? "Select an event to configure photo wall"
    : photoWallLoading
      ? "Loading…"
      : photoWallEnabled
        ? `Enabled · ${photoWallCount} photo${photoWallCount === 1 ? "" : "s"}`
        : "Disabled";
  const socialShareMeta = !selectedEventId
    ? "Select an event to configure social share"
    : socialShareLoading
      ? "Loading…"
      : socialShareEnabled
        ? `Enabled · ${socialShareFrameCount} frame${socialShareFrameCount === 1 ? "" : "s"}`
        : "Disabled";
  const aiAvatarMeta = !selectedEventId
    ? "Select an event to configure AI avatar"
    : aiAvatarLoading
      ? "Loading…"
      : aiAvatarEnabled
        ? `Enabled · ${aiAvatarCount} avatar${aiAvatarCount === 1 ? "" : "s"}`
        : "Disabled";
  const photoSearchMeta = !selectedEventId
    ? "Select an event to configure photo search"
    : photoSearchLoading
      ? "Loading…"
      : photoSearchEnabled
        ? `Enabled · ${photoSearchCount} photo${photoSearchCount === 1 ? "" : "s"}`
        : "Disabled";

  const handleWebCheckInToggle = async (enabled: boolean) => {
    if (!selectedEventId) return;
    setWebCheckInLoading(true);
    try {
      const nextSettings = { ...(eventSettings || {}), webCheckInEnabled: enabled };
      const res = await eventsApi.update(selectedEventId, { settings: nextSettings });
      if (!res.error) {
        setEventSettings(nextSettings);
        setWebCheckInEnabled(enabled);
      }
    } finally {
      setWebCheckInLoading(false);
    }
  };

  const handlePhotoWallToggle = async (enabled: boolean) => {
    if (!selectedEventId || !canWritePhotoWall) return;
    setPhotoWallLoading(true);
    try {
      const res = await photoWallApi.update(selectedEventId, { enabled });
      if (!res.error && res.data) {
        setPhotoWallEnabled(Boolean(res.data.enabled));
        setPhotoWallCount(res.data.photoCounts?.total ?? 0);
        setPhotoWallUploadToken(res.data.uploadToken ?? null);
        setPhotoWallPresentToken(res.data.presentToken ?? null);
      }
    } finally {
      setPhotoWallLoading(false);
    }
  };

  const handleSocialShareToggle = async (enabled: boolean) => {
    if (!selectedEventId || !canWriteSocialShare) return;
    setSocialShareLoading(true);
    try {
      const res = await socialShareApi.update(selectedEventId, { enabled });
      if (!res.error && res.data) {
        setSocialShareEnabled(Boolean(res.data.enabled));
        setSocialShareFrameCount(res.data.frameCount ?? res.data.frames?.length ?? 0);
        setSocialShareToken(res.data.uploadToken ?? null);
      }
    } finally {
      setSocialShareLoading(false);
    }
  };

  const copySocialShareLink = async () => {
    if (!socialShareToken) return;
    try {
      await navigator.clipboard.writeText(socialShareVisitorUrl(socialShareToken));
      setCopiedSocialShareLink(true);
      window.setTimeout(() => setCopiedSocialShareLink(false), 1500);
    } catch {
      /* ignore */
    }
  };

  const handleAiAvatarToggle = async (enabled: boolean) => {
    if (!selectedEventId || !canWriteAiAvatar) return;
    setAiAvatarLoading(true);
    try {
      const res = await aiAvatarApi.update(selectedEventId, { enabled });
      if (!res.error && res.data) {
        setAiAvatarEnabled(Boolean(res.data.enabled));
        setAiAvatarCount(res.data.avatarCount ?? res.data.avatars?.length ?? 0);
        setAiAvatarToken(res.data.uploadToken ?? null);
      }
    } finally {
      setAiAvatarLoading(false);
    }
  };

  const copyAiAvatarLink = async () => {
    if (!aiAvatarToken) return;
    try {
      await navigator.clipboard.writeText(aiAvatarVisitorUrl(aiAvatarToken));
      setCopiedAiAvatarLink(true);
      window.setTimeout(() => setCopiedAiAvatarLink(false), 1500);
    } catch {
      /* ignore */
    }
  };

  const handlePhotoSearchToggle = async (enabled: boolean) => {
    if (!selectedEventId) return;
    setPhotoSearchLoading(true);
    try {
      const res = await eventPhotoSearchApi.update(selectedEventId, { enabled });
      if (!res.error && res.data) {
        setPhotoSearchEnabled(Boolean(res.data.enabled));
        setPhotoSearchCount(res.data.photoCount ?? 0);
        setPhotoSearchToken(res.data.searchToken ?? null);
      }
    } finally {
      setPhotoSearchLoading(false);
    }
  };

  const copyPhotoSearchLink = async () => {
    if (!photoSearchToken) return;
    const url = photoSearchVisitorUrl(photoSearchToken);
    try {
      await navigator.clipboard.writeText(url);
      setCopiedPhotoSearchLink(true);
      window.setTimeout(() => setCopiedPhotoSearchLink(false), 1500);
    } catch {
      /* ignore */
    }
  };

  const copyPhotoWallLink = async (kind: "upload" | "present") => {
    const url =
      kind === "upload" && photoWallUploadToken
        ? photoWallUploadUrl(photoWallUploadToken)
        : kind === "present" && photoWallPresentToken
          ? photoWallPresentUrl(photoWallPresentToken)
          : "";
    if (!url) return;
    try {
      await navigator.clipboard.writeText(url);
      setCopiedPhotoWallLink(kind);
      window.setTimeout(() => setCopiedPhotoWallLink(null), 1500);
    } catch {
      /* ignore */
    }
  };

  const handleSavePollQuiz = async (
    kind: "poll" | "quiz",
    data: { form: QuizPollModalForm; questions: Question[] },
  ) => {
    if (!selectedEventId) return;
    const sesRes = await sessionsApi.list(selectedEventId);
    const firstSession = sesRes.data?.sessions?.[0];
    const payload = {
      ...(firstSession?._id ? { session: firstSession._id } : {}),
      title: data.form.title,
      type: kind,
      description: data.form.description || undefined,
      questions: data.questions.map((q) => modalQuestionToApi(q, kind)),
      settings: buildQuizPollSettingsPayload(data.form, kind),
    };
    const res = await quizPollsApi.create(selectedEventId, payload);
    if (!res.error) {
      if (kind === "poll") setShowAddPoll(false);
      else setShowAddQuiz(false);
      void loadPollQuizCounts();
    }
  };

  return (
    <>
      <section
        aria-label="Event modules"
        style={{
          display: "grid",
          gridTemplateColumns,
          gap: "12px",
        }}
      >
        {canReadSessions ? (
        <ModuleCard
          icon={<CalendarDays size={18} />}
          title="Agenda"
          meta={agendaMeta}
          actions={
            <>
              <button
                type="button"
                disabled={actionsDisabled}
                style={{
                  ...moduleButtonStyle(),
                  opacity: actionsDisabled ? 0.55 : 1,
                  cursor: actionsDisabled ? "not-allowed" : "pointer",
                }}
                onClick={() => setActiveNav("agenda")}
                onMouseEnter={(e) => {
                  if (actionsDisabled) return;
                  (e.currentTarget as HTMLElement).style.borderColor = "var(--primary)";
                  (e.currentTarget as HTMLElement).style.color = "var(--primary)";
                }}
                onMouseLeave={(e) => {
                  if (actionsDisabled) return;
                  (e.currentTarget as HTMLElement).style.borderColor = "var(--border)";
                  (e.currentTarget as HTMLElement).style.color = "var(--card-foreground)";
                }}
              >
                View Agenda
              </button>
              <button
                type="button"
                disabled={actionsDisabled || !canWriteSessions}
                style={{
                  ...moduleButtonStyle(true),
                  opacity: actionsDisabled || !canWriteSessions ? 0.55 : 1,
                  cursor: actionsDisabled || !canWriteSessions ? "not-allowed" : "pointer",
                }}
                onClick={() => {
                  setOpenAgendaSessionPanelOnce(true);
                  setActiveNav("agenda");
                }}
              >
                New Session
              </button>
            </>
          }
        />
        ) : null}
        {canReadForms ? eventForms.map((form) => {
          const linkCopied = copiedFormLinkId === form._id;
          return (
          <ModuleCard
            key={form._id}
            icon={<FileText size={18} />}
            title={form.name?.trim() || "Untitled form"}
            meta={formMetaLine(form)}
            headerAction={
              <div style={{ display: "flex", flexDirection: "column", alignItems: "center", gap: "4px", flexShrink: 0 }}>
                <button
                  type="button"
                  title={linkCopied ? "Copied to clipboard" : "Copy public form link"}
                  disabled={actionsDisabled}
                  style={{
                    ...formLinkCopyButtonStyle(linkCopied),
                    opacity: actionsDisabled ? 0.55 : 1,
                    cursor: actionsDisabled ? "not-allowed" : "pointer",
                  }}
                  onClick={() => copyFormPublicLink(form)}
                  onMouseEnter={(e) => {
                    if (actionsDisabled || linkCopied) return;
                    (e.currentTarget as HTMLElement).style.borderColor = "var(--primary)";
                    (e.currentTarget as HTMLElement).style.color = "var(--primary)";
                  }}
                  onMouseLeave={(e) => {
                    if (linkCopied) return;
                    (e.currentTarget as HTMLElement).style.borderColor = "var(--border)";
                    (e.currentTarget as HTMLElement).style.color = "var(--muted)";
                  }}
                >
                  {linkCopied ? <Check size={12} strokeWidth={3} /> : <Link2 size={12} />}
                </button>
                {isSuperAdmin ? (
                <button
                  type="button"
                  title="Share form"
                  disabled={actionsDisabled}
                  style={{
                    ...formHeaderIconButtonStyle(),
                    opacity: actionsDisabled ? 0.55 : 1,
                    cursor: actionsDisabled ? "not-allowed" : "pointer",
                  }}
                  onClick={() => setFormShareTarget(form)}
                  onMouseEnter={(e) => {
                    if (actionsDisabled) return;
                    (e.currentTarget as HTMLElement).style.borderColor = "var(--primary)";
                    (e.currentTarget as HTMLElement).style.color = "var(--primary)";
                  }}
                  onMouseLeave={(e) => {
                    (e.currentTarget as HTMLElement).style.borderColor = "var(--border)";
                    (e.currentTarget as HTMLElement).style.color = "var(--muted)";
                  }}
                >
                  <Share2 size={12} />
                </button>
                ) : null}
              </div>
            }
            actions={
              <>
                {canWriteForms ? (
                <button
                  type="button"
                  disabled={actionsDisabled}
                  style={{
                    ...moduleButtonStyle(),
                    opacity: actionsDisabled ? 0.55 : 1,
                    cursor: actionsDisabled ? "not-allowed" : "pointer",
                  }}
                  onClick={() => setFormEditTarget(form)}
                  onMouseEnter={(e) => {
                    if (actionsDisabled) return;
                    (e.currentTarget as HTMLElement).style.borderColor = "var(--primary)";
                    (e.currentTarget as HTMLElement).style.color = "var(--primary)";
                  }}
                  onMouseLeave={(e) => {
                    if (actionsDisabled) return;
                    (e.currentTarget as HTMLElement).style.borderColor = "var(--border)";
                    (e.currentTarget as HTMLElement).style.color = "var(--card-foreground)";
                  }}
                >
                  Edit
                </button>
                ) : null}
                {canReadForms ? (
                <button
                  type="button"
                  disabled={actionsDisabled}
                  style={{
                    ...moduleButtonStyle(true),
                    opacity: actionsDisabled ? 0.55 : 1,
                    cursor: actionsDisabled ? "not-allowed" : "pointer",
                  }}
                  onClick={() => setFormResponsesTarget(form)}
                >
                  Responses
                </button>
                ) : null}
              </>
            }
          />
          );
        }) : null}
        {canWriteForms ? (
        <ModuleCard
          icon={<Plus size={18} />}
          title="Create New Form"
          description="Add a form assigned to this event"
          actions={
            <>
              <select
                disabled={actionsDisabled}
                value={newFormType}
                onChange={(e) => setNewFormType(e.target.value as typeof newFormType)}
                style={{
                  ...moduleButtonStyle(),
                  flex: "1 1 0",
                  appearance: "auto",
                  opacity: actionsDisabled ? 0.55 : 1,
                  cursor: actionsDisabled ? "not-allowed" : "pointer",
                }}
              >
                {NEW_FORM_OPTIONS.map((opt) => (
                  <option key={opt.value} value={opt.value}>
                    {opt.label}
                  </option>
                ))}
              </select>
              <button
                type="button"
                disabled={actionsDisabled}
                style={{
                  ...moduleButtonStyle(true),
                  flex: "0 0 auto",
                  opacity: actionsDisabled ? 0.55 : 1,
                  cursor: actionsDisabled ? "not-allowed" : "pointer",
                }}
                onClick={() => setNewFormMode(newFormType)}
              >
                Create
              </button>
            </>
          }
        />
        ) : null}
        {canReadUserMgmt ? (
        <ModuleCard
          icon={<ShieldCheck size={18} />}
          title="Users & Permissions"
          meta={permissionsMeta}
          actions={
            <>
              <button
                type="button"
                disabled={actionsDisabled}
                style={{
                  ...moduleButtonStyle(),
                  opacity: actionsDisabled ? 0.55 : 1,
                  cursor: actionsDisabled ? "not-allowed" : "pointer",
                }}
                onClick={() => setActiveNav("permissions")}
                onMouseEnter={(e) => {
                  if (actionsDisabled) return;
                  (e.currentTarget as HTMLElement).style.borderColor = "var(--primary)";
                  (e.currentTarget as HTMLElement).style.color = "var(--primary)";
                }}
                onMouseLeave={(e) => {
                  if (actionsDisabled) return;
                  (e.currentTarget as HTMLElement).style.borderColor = "var(--border)";
                  (e.currentTarget as HTMLElement).style.color = "var(--card-foreground)";
                }}
              >
                View
              </button>
              {canWriteUserMgmt ? (
              <button
                type="button"
                disabled={actionsDisabled}
                style={{
                  ...moduleButtonStyle(true),
                  opacity: actionsDisabled ? 0.55 : 1,
                  cursor: actionsDisabled ? "not-allowed" : "pointer",
                }}
                onClick={() => {
                  setPermissionsOpenAddOnce(true);
                  setActiveNav("permissions");
                }}
              >
                Add New
              </button>
              ) : null}
            </>
          }
        />
        ) : null}
        {canReadActivities ? (
        <ModuleCard
          icon={<BarChart2 size={18} />}
          title="Activities"
          meta={pollQuizMeta}
          actions={
            <>
              <button
                type="button"
                disabled={actionsDisabled || !canWriteActivities}
                style={{
                  ...moduleButtonStyle(),
                  opacity: actionsDisabled || !canWriteActivities ? 0.55 : 1,
                  cursor: actionsDisabled || !canWriteActivities ? "not-allowed" : "pointer",
                }}
                onClick={() => setShowAddPoll(true)}
                onMouseEnter={(e) => {
                  if (actionsDisabled || !canWriteActivities) return;
                  (e.currentTarget as HTMLElement).style.borderColor = "var(--primary)";
                  (e.currentTarget as HTMLElement).style.color = "var(--primary)";
                }}
                onMouseLeave={(e) => {
                  if (actionsDisabled || !canWriteActivities) return;
                  (e.currentTarget as HTMLElement).style.borderColor = "var(--border)";
                  (e.currentTarget as HTMLElement).style.color = "var(--card-foreground)";
                }}
              >
                Poll
              </button>
              <button
                type="button"
                disabled={actionsDisabled || !canWriteActivities}
                style={{
                  ...moduleButtonStyle(true),
                  opacity: actionsDisabled || !canWriteActivities ? 0.55 : 1,
                  cursor: actionsDisabled || !canWriteActivities ? "not-allowed" : "pointer",
                }}
                onClick={() => setShowAddQuiz(true)}
              >
                Quiz
              </button>
            </>
          }
        />
        ) : null}
        {canReadBadges ? (
        <ModuleCard
          icon={<Tag size={18} />}
          title="Tag & Badge Configuration"
          meta={badgeMeta}
          actions={
            <>
              <button
                type="button"
                disabled={actionsDisabled}
                style={{
                  ...moduleButtonStyle(),
                  opacity: actionsDisabled ? 0.55 : 1,
                  cursor: actionsDisabled ? "not-allowed" : "pointer",
                }}
                onClick={() => setBadgesOpen(true)}
                onMouseEnter={(e) => {
                  if (actionsDisabled) return;
                  (e.currentTarget as HTMLElement).style.borderColor = "var(--primary)";
                  (e.currentTarget as HTMLElement).style.color = "var(--primary)";
                }}
                onMouseLeave={(e) => {
                  if (actionsDisabled) return;
                  (e.currentTarget as HTMLElement).style.borderColor = "var(--border)";
                  (e.currentTarget as HTMLElement).style.color = "var(--card-foreground)";
                }}
              >
                View Badges
              </button>
              {canWriteBadges ? (
              <button
                type="button"
                disabled={actionsDisabled}
                style={{
                  ...moduleButtonStyle(true),
                  opacity: actionsDisabled ? 0.55 : 1,
                  cursor: actionsDisabled ? "not-allowed" : "pointer",
                }}
                onClick={openAddBadge}
              >
                Add Badge
              </button>
              ) : null}
            </>
          }
        />
        ) : null}
        {canReadTicketing ? (
        <ModuleCard
          icon={<Ticket size={18} />}
          title="Ticket configuration"
          meta={ticketMeta}
          actions={
            <button
              type="button"
              disabled={actionsDisabled}
              style={{
                ...moduleButtonStyle(true),
                opacity: actionsDisabled ? 0.55 : 1,
                cursor: actionsDisabled ? "not-allowed" : "pointer",
              }}
              onClick={() => setActiveNav("ticketing")}
            >
              View
            </button>
          }
        />
        ) : null}
        <ModuleCard
          icon={<Palette size={18} />}
          title="Visitor Theme"
          description="Colors and background for visitor event, session, quiz, and photo pages"
          meta={visitorThemeCardMeta}
          actions={
            <button
              type="button"
              disabled={actionsDisabled}
              style={{
                ...moduleButtonStyle(true),
                opacity: actionsDisabled ? 0.55 : 1,
                cursor: actionsDisabled ? "not-allowed" : "pointer",
              }}
              onClick={() => setVisitorThemeOpen(true)}
            >
              Manage
            </button>
          }
        />
        {canReadMicrosite ? (
        <ModuleCard
          icon={<Globe size={18} />}
          title="Microsite"
          meta={micrositeMeta}
          actions={
            <button
              type="button"
              disabled={actionsDisabled}
              style={{
                ...moduleButtonStyle(true),
                opacity: actionsDisabled ? 0.55 : 1,
                cursor: actionsDisabled ? "not-allowed" : "pointer",
              }}
              onClick={() => setStaticMicrositeOpen(true)}
            >
              Manage
            </button>
          }
        />
        ) : null}
        {canReadRewards ? (
        <ModuleCard
          icon={<Trophy size={18} />}
          title="Reward Points Config"
          meta={rewardMeta}
          actions={
            <button
              type="button"
              disabled={actionsDisabled}
              style={{
                ...moduleButtonStyle(true),
                opacity: actionsDisabled ? 0.55 : 1,
                cursor: actionsDisabled ? "not-allowed" : "pointer",
              }}
              onClick={() => setRewardRulesOpen(true)}
            >
              View
            </button>
          }
        />
        ) : null}
        {canReadWebCheckIn ? (
        <ModuleCard
          icon={<Plus size={18} />}
          title="Web check-in"
          meta={webCheckInMeta}
          description="Show or hide accommodation choice for participants"
          actions={
            webCheckInEnabled ? (
              <button
                type="button"
                disabled={actionsDisabled || webCheckInLoading || !canWriteWebCheckIn}
                style={{
                  ...moduleButtonStyle(),
                  opacity: actionsDisabled || webCheckInLoading || !canWriteWebCheckIn ? 0.55 : 1,
                  cursor:
                    actionsDisabled || webCheckInLoading || !canWriteWebCheckIn
                      ? "not-allowed"
                      : "pointer",
                }}
                onClick={() => void handleWebCheckInToggle(false)}
              >
                Disable
              </button>
            ) : (
              <button
                type="button"
                disabled={actionsDisabled || webCheckInLoading || !canWriteWebCheckIn}
                style={{
                  ...moduleButtonStyle(true),
                  opacity: actionsDisabled || webCheckInLoading || !canWriteWebCheckIn ? 0.55 : 1,
                  cursor:
                    actionsDisabled || webCheckInLoading || !canWriteWebCheckIn
                      ? "not-allowed"
                      : "pointer",
                }}
                onClick={() => void handleWebCheckInToggle(true)}
              >
                Enable
              </button>
            )
          }
        />
        ) : null}
        {canReadDocuments ? (
        <ModuleCard
          icon={<Upload size={18} />}
          title="Upload Document"
          description="Manage documents uploaded for this event"
          actions={
            <button
              type="button"
              disabled={actionsDisabled}
              style={{
                ...moduleButtonStyle(true),
                opacity: actionsDisabled ? 0.55 : 1,
                cursor: actionsDisabled ? "not-allowed" : "pointer",
              }}
              onClick={() => setShowDocumentsPanel(true)}
            >
              Manage
            </button>
          }
        />
        ) : null}
        <ModuleCard
          icon={<Image size={18} />}
          title="Event Photo Search"
          meta={photoSearchMeta}
          description="Upload event photos and share visitor Find Photos"
          headerAction={
            photoSearchEnabled && photoSearchToken ? (
              <button
                type="button"
                title="Copy visitor search link"
                aria-label="Copy visitor search link"
                disabled={actionsDisabled}
                style={photoSearchHeaderButtonStyle}
                onClick={() => void copyPhotoSearchLink()}
              >
                {copiedPhotoSearchLink ? <Check size={12} /> : <Link2 size={12} />}
              </button>
            ) : null
          }
          actions={
            <>
              {photoSearchEnabled ? (
                <button
                  type="button"
                  disabled={actionsDisabled || photoSearchLoading}
                  style={{
                    ...moduleButtonStyle(),
                    opacity: actionsDisabled || photoSearchLoading ? 0.55 : 1,
                    cursor: actionsDisabled || photoSearchLoading ? "not-allowed" : "pointer",
                  }}
                  onClick={() => void handlePhotoSearchToggle(false)}
                >
                  Disable
                </button>
              ) : (
                <button
                  type="button"
                  disabled={actionsDisabled || photoSearchLoading}
                  style={{
                    ...moduleButtonStyle(true),
                    opacity: actionsDisabled || photoSearchLoading ? 0.55 : 1,
                    cursor: actionsDisabled || photoSearchLoading ? "not-allowed" : "pointer",
                  }}
                  onClick={() => void handlePhotoSearchToggle(true)}
                >
                  Enable
                </button>
              )}
              <button
                type="button"
                disabled={actionsDisabled}
                style={{
                  ...moduleButtonStyle(photoSearchEnabled),
                  opacity: actionsDisabled ? 0.55 : 1,
                  cursor: actionsDisabled ? "not-allowed" : "pointer",
                }}
                onClick={() => setShowEventPhotoSearchPanel(true)}
              >
                Manage
              </button>
            </>
          }
        />
        {canReadSocialShare ? (
        <ModuleCard
          icon={<Share2 size={18} />}
          title="Social Share"
          meta={socialShareMeta}
          description="Multi-frame photo create, download, and share"
          headerAction={
            socialShareEnabled && socialShareToken ? (
              <button
                type="button"
                title="Copy visitor link"
                onClick={() => void copySocialShareLink()}
                style={formHeaderIconButtonStyle()}
              >
                {copiedSocialShareLink ? <Check size={14} /> : <Link2 size={14} />}
              </button>
            ) : null
          }
          actions={
            <>
              {socialShareEnabled ? (
                <button
                  type="button"
                  disabled={actionsDisabled || socialShareLoading || !canWriteSocialShare}
                  style={{
                    ...moduleButtonStyle(),
                    opacity: actionsDisabled || socialShareLoading || !canWriteSocialShare ? 0.55 : 1,
                    cursor:
                      actionsDisabled || socialShareLoading || !canWriteSocialShare
                        ? "not-allowed"
                        : "pointer",
                  }}
                  onClick={() => void handleSocialShareToggle(false)}
                >
                  Disable
                </button>
              ) : (
                <button
                  type="button"
                  disabled={actionsDisabled || socialShareLoading || !canWriteSocialShare}
                  style={{
                    ...moduleButtonStyle(true),
                    opacity: actionsDisabled || socialShareLoading || !canWriteSocialShare ? 0.55 : 1,
                    cursor:
                      actionsDisabled || socialShareLoading || !canWriteSocialShare
                        ? "not-allowed"
                        : "pointer",
                  }}
                  onClick={() => void handleSocialShareToggle(true)}
                >
                  Enable
                </button>
              )}
              <button
                type="button"
                disabled={actionsDisabled}
                style={{
                  ...moduleButtonStyle(socialShareEnabled),
                  opacity: actionsDisabled ? 0.55 : 1,
                  cursor: actionsDisabled ? "not-allowed" : "pointer",
                }}
                onClick={() => setShowSocialSharePanel(true)}
              >
                Manage
              </button>
            </>
          }
        />
        ) : null}
        {canReadAiAvatar ? (
        <ModuleCard
          icon={<Sparkles size={18} />}
          title="AI Avatar"
          meta={aiAvatarMeta}
          description="AI head-swap avatars from visitor selfies"
          headerAction={
            aiAvatarEnabled && aiAvatarToken ? (
              <button
                type="button"
                title="Copy visitor link"
                onClick={() => void copyAiAvatarLink()}
                style={formHeaderIconButtonStyle()}
              >
                {copiedAiAvatarLink ? <Check size={14} /> : <Link2 size={14} />}
              </button>
            ) : null
          }
          actions={
            <>
              {aiAvatarEnabled ? (
                <button
                  type="button"
                  disabled={actionsDisabled || aiAvatarLoading || !canWriteAiAvatar}
                  style={{
                    ...moduleButtonStyle(),
                    opacity: actionsDisabled || aiAvatarLoading || !canWriteAiAvatar ? 0.55 : 1,
                    cursor:
                      actionsDisabled || aiAvatarLoading || !canWriteAiAvatar
                        ? "not-allowed"
                        : "pointer",
                  }}
                  onClick={() => void handleAiAvatarToggle(false)}
                >
                  Disable
                </button>
              ) : (
                <button
                  type="button"
                  disabled={actionsDisabled || aiAvatarLoading || !canWriteAiAvatar}
                  style={{
                    ...moduleButtonStyle(true),
                    opacity: actionsDisabled || aiAvatarLoading || !canWriteAiAvatar ? 0.55 : 1,
                    cursor:
                      actionsDisabled || aiAvatarLoading || !canWriteAiAvatar
                        ? "not-allowed"
                        : "pointer",
                  }}
                  onClick={() => void handleAiAvatarToggle(true)}
                >
                  Enable
                </button>
              )}
              <button
                type="button"
                disabled={actionsDisabled}
                style={{
                  ...moduleButtonStyle(aiAvatarEnabled),
                  opacity: actionsDisabled ? 0.55 : 1,
                  cursor: actionsDisabled ? "not-allowed" : "pointer",
                }}
                onClick={() => setShowAiAvatarPanel(true)}
              >
                Manage
              </button>
            </>
          }
        />
        ) : null}
        {canReadPhotoWall ? (
        <ModuleCard
          icon={<Images size={18} />}
          title="Photo Wall"
          meta={photoWallMeta}
          description="Visitor selfie uploads and projector wall"
          headerAction={
            photoWallEnabled && photoWallUploadToken && photoWallPresentToken ? (
              <div style={{ display: "flex", gap: "4px" }}>
                <button
                  type="button"
                  title="Copy visitor upload link"
                  onClick={() => void copyPhotoWallLink("upload")}
                  style={formHeaderIconButtonStyle()}
                >
                  {copiedPhotoWallLink === "upload" ? <Check size={14} /> : <Link2 size={14} />}
                </button>
                <button
                  type="button"
                  title="Copy presenter link"
                  onClick={() => void copyPhotoWallLink("present")}
                  style={formHeaderIconButtonStyle()}
                >
                  {copiedPhotoWallLink === "present" ? <Check size={14} /> : <Share2 size={14} />}
                </button>
              </div>
            ) : null
          }
          actions={
            <>
              {photoWallEnabled ? (
                <button
                  type="button"
                  disabled={actionsDisabled || photoWallLoading || !canWritePhotoWall}
                  style={{
                    ...moduleButtonStyle(),
                    opacity: actionsDisabled || photoWallLoading || !canWritePhotoWall ? 0.55 : 1,
                    cursor:
                      actionsDisabled || photoWallLoading || !canWritePhotoWall
                        ? "not-allowed"
                        : "pointer",
                  }}
                  onClick={() => void handlePhotoWallToggle(false)}
                >
                  Disable
                </button>
              ) : (
                <button
                  type="button"
                  disabled={actionsDisabled || photoWallLoading || !canWritePhotoWall}
                  style={{
                    ...moduleButtonStyle(true),
                    opacity: actionsDisabled || photoWallLoading || !canWritePhotoWall ? 0.55 : 1,
                    cursor:
                      actionsDisabled || photoWallLoading || !canWritePhotoWall
                        ? "not-allowed"
                        : "pointer",
                  }}
                  onClick={() => void handlePhotoWallToggle(true)}
                >
                  Enable
                </button>
              )}
              <button
                type="button"
                disabled={actionsDisabled}
                style={{
                  ...moduleButtonStyle(photoWallEnabled),
                  opacity: actionsDisabled ? 0.55 : 1,
                  cursor: actionsDisabled ? "not-allowed" : "pointer",
                }}
                onClick={() => setShowPhotoWallPanel(true)}
              >
                Manage
              </button>
            </>
          }
        />
        ) : null}
        {canReadWaNotifications ? (
        <ModuleCard
          icon={<MessageSquare size={18} />}
          title="WhatsApp Notifications"
          meta={waBlastMeta}
          description="Blast a message to this event’s open WhatsApp chats (24-hour window)"
          actions={
            <>
              <button
                type="button"
                disabled={actionsDisabled}
                style={{
                  ...moduleButtonStyle(),
                  opacity: actionsDisabled ? 0.55 : 1,
                  cursor: actionsDisabled ? "not-allowed" : "pointer",
                }}
                onClick={() => setShowWaBlastHistory(true)}
                onMouseEnter={(e) => {
                  if (actionsDisabled) return;
                  (e.currentTarget as HTMLElement).style.borderColor = "var(--primary)";
                  (e.currentTarget as HTMLElement).style.color = "var(--primary)";
                }}
                onMouseLeave={(e) => {
                  if (actionsDisabled) return;
                  (e.currentTarget as HTMLElement).style.borderColor = "var(--border)";
                  (e.currentTarget as HTMLElement).style.color = "var(--card-foreground)";
                }}
              >
                History
              </button>
              <button
                type="button"
                disabled={actionsDisabled || !canWriteWaNotifications}
                style={{
                  ...moduleButtonStyle(true),
                  opacity: actionsDisabled || !canWriteWaNotifications ? 0.55 : 1,
                  cursor: actionsDisabled || !canWriteWaNotifications ? "not-allowed" : "pointer",
                }}
                onClick={() => setShowSendWaNotification(true)}
              >
                Send
              </button>
            </>
          }
        />
        ) : null}
        {canReadEmailCampaigns ? (
        <ModuleCard
          icon={<Mail size={18} />}
          title="Email Campaign"
          meta={emailCampaignMeta}
          actions={
            <>
              <button
                type="button"
                disabled={actionsDisabled}
                style={{
                  ...moduleButtonStyle(),
                  opacity: actionsDisabled ? 0.55 : 1,
                  cursor: actionsDisabled ? "not-allowed" : "pointer",
                }}
                onClick={() => setShowEmailCampaignsPanel(true)}
                onMouseEnter={(e) => {
                  if (actionsDisabled) return;
                  (e.currentTarget as HTMLElement).style.borderColor = "var(--primary)";
                  (e.currentTarget as HTMLElement).style.color = "var(--primary)";
                }}
                onMouseLeave={(e) => {
                  if (actionsDisabled) return;
                  (e.currentTarget as HTMLElement).style.borderColor = "var(--border)";
                  (e.currentTarget as HTMLElement).style.color = "var(--card-foreground)";
                }}
              >
                Manage
              </button>
              <button
                type="button"
                disabled={actionsDisabled || !canWriteEmailCampaigns}
                style={{
                  ...moduleButtonStyle(true),
                  opacity: actionsDisabled || !canWriteEmailCampaigns ? 0.55 : 1,
                  cursor: actionsDisabled || !canWriteEmailCampaigns ? "not-allowed" : "pointer",
                }}
                onClick={() => setShowCreateEmailCampaign(true)}
              >
                Create
              </button>
            </>
          }
        />
        ) : null}
        {canReadExhibitors ? (
        <ModuleCard
          icon={<Store size={18} />}
          title="Exhibitors"
          meta={exhibitorMeta}
          description="Companies and booths for this event"
          actions={
            <>
              <button
                type="button"
                disabled={actionsDisabled}
                style={{
                  ...moduleButtonStyle(),
                  opacity: actionsDisabled ? 0.55 : 1,
                  cursor: actionsDisabled ? "not-allowed" : "pointer",
                }}
                onClick={() => setShowExhibitorsPanel(true)}
                onMouseEnter={(e) => {
                  if (actionsDisabled) return;
                  (e.currentTarget as HTMLElement).style.borderColor = "var(--primary)";
                  (e.currentTarget as HTMLElement).style.color = "var(--primary)";
                }}
                onMouseLeave={(e) => {
                  if (actionsDisabled) return;
                  (e.currentTarget as HTMLElement).style.borderColor = "var(--border)";
                  (e.currentTarget as HTMLElement).style.color = "var(--card-foreground)";
                }}
              >
                Manage
              </button>
              <button
                type="button"
                disabled={actionsDisabled || !canWriteExhibitors}
                style={{
                  ...moduleButtonStyle(true),
                  opacity: actionsDisabled || !canWriteExhibitors ? 0.55 : 1,
                  cursor: actionsDisabled || !canWriteExhibitors ? "not-allowed" : "pointer",
                }}
                onClick={() => {
                  setEditingExhibitor(null);
                  setShowAddExhibitor(true);
                }}
              >
                Add exhibitor
              </button>
            </>
          }
        />
        ) : null}
      </section>

      {formShareTarget ? (
        <ShareFormPanel formId={formShareTarget._id} onClose={() => setFormShareTarget(null)} />
      ) : null}

      {formEditTarget && selectedEventId ? (
        <CreateFormPanel
          mode={formPanelMode(formEditTarget.type)}
          eventId={selectedEventId}
          formId={formEditTarget._id}
          onClose={() => setFormEditTarget(null)}
          onSuccess={handleFormEditSuccess}
        />
      ) : null}

      {formResponsesTarget ? (
        <FormSubmissionsPanel
          formId={formResponsesTarget._id}
          formName={formResponsesTarget.name?.trim() || "Form"}
          onClose={() => setFormResponsesTarget(null)}
        />
      ) : null}

      {newFormMode && selectedEventId ? (
        <CreateFormPanel
          mode={newFormMode}
          eventId={selectedEventId}
          onClose={() => setNewFormMode(null)}
          onSuccess={handleNewFormSuccess}
        />
      ) : null}

      {showAddPoll ? (
        <AddQuizPollModal
          kind="poll"
          eventId={selectedEventId ?? undefined}
          onClose={() => setShowAddPoll(false)}
          onSave={(data) => void handleSavePollQuiz("poll", data)}
        />
      ) : null}

      {showAddQuiz ? (
        <AddQuizPollModal
          kind="quiz"
          eventId={selectedEventId ?? undefined}
          onClose={() => setShowAddQuiz(false)}
          onSave={(data) => void handleSavePollQuiz("quiz", data)}
        />
      ) : null}

      {badgesOpen && selectedEventId ? (
        <EventBadgesPanel
          eventId={selectedEventId}
          eventName={eventName ?? undefined}
          onClose={() => setBadgesOpen(false)}
          onAddBadge={() => {
            setBadgesOpen(false);
            openAddBadge();
          }}
          onDuplicateBadge={openDuplicateBadge}
        />
      ) : null}

      {showAddBadge && selectedEventId ? (
        <CreateBadgePanel
          key={duplicateBadgeBatchId ?? "create"}
          initialEventId={selectedEventId}
          duplicateFromBatchId={duplicateBadgeBatchId}
          onClose={() => {
            setShowAddBadge(false);
            setDuplicateBadgeBatchId(null);
          }}
          onSuccess={handleBadgeSuccess}
        />
      ) : null}

      {rewardRulesOpen && selectedEventId ? (
        <RewardRulesSettingsPanel
          eventId={selectedEventId}
          onClose={() => setRewardRulesOpen(false)}
          onSaved={() => void loadRewardRulesMeta()}
        />
      ) : null}

      {visitorThemeOpen && selectedEventId ? (
        <VisitorThemeSettingsPanel
          eventId={selectedEventId}
          onClose={() => setVisitorThemeOpen(false)}
          onSaved={() => void loadVisitorThemeMeta()}
        />
      ) : null}

      {staticMicrositeOpen && selectedEventId ? (
        <ManageStaticMicrositePanel
          eventId={selectedEventId}
          onClose={() => setStaticMicrositeOpen(false)}
          onSaved={() => void loadStaticMicrositeMeta()}
        />
      ) : null}

{showDocumentsPanel && selectedEventId ? (
        <EventDocumentsPanel
          eventId={selectedEventId}
          eventName={eventName ?? undefined}
          onClose={() => setShowDocumentsPanel(false)}
        />
      ) : null}

      {showEventPhotoSearchPanel && selectedEventId ? (
        <EventPhotoSearchPanel
          open
          eventId={selectedEventId}
          eventName={eventName ?? undefined}
          onClose={() => setShowEventPhotoSearchPanel(false)}
          onChanged={() => void loadPhotoSearchMeta()}
        />
      ) : null}

      {showPhotoWallPanel && selectedEventId ? (
        <PhotoWallManagePanel
          eventId={selectedEventId}
          eventName={eventName ?? undefined}
          canWrite={canWritePhotoWall}
          onClose={() => setShowPhotoWallPanel(false)}
          onChanged={() => void loadPhotoWallMeta()}
        />
      ) : null}

      {showSocialSharePanel && selectedEventId ? (
        <SocialShareManagePanel
          eventId={selectedEventId}
          eventName={eventName ?? undefined}
          canWrite={canWriteSocialShare}
          onClose={() => setShowSocialSharePanel(false)}
          onChanged={() => void loadSocialShareMeta()}
        />
      ) : null}

      {showAiAvatarPanel && selectedEventId ? (
        <AiAvatarManagePanel
          eventId={selectedEventId}
          eventName={eventName ?? undefined}
          canWrite={canWriteAiAvatar}
          onClose={() => setShowAiAvatarPanel(false)}
          onChanged={() => void loadAiAvatarMeta()}
        />
      ) : null}

      {showWaBlastHistory && selectedEventId ? (
        <WhatsAppBlastHistoryPanel
          eventId={selectedEventId}
          eventName={eventName ?? undefined}
          onClose={() => setShowWaBlastHistory(false)}
        />
      ) : null}

      {showSendWaNotification && selectedEventId ? (
        <SendWhatsAppNotificationPanel
          eventId={selectedEventId}
          eventName={eventName ?? undefined}
          onClose={() => setShowSendWaNotification(false)}
          onSuccess={() => void loadWaBlastMeta()}
        />
      ) : null}

      {showEmailCampaignsPanel && selectedEventId ? (
        <EventEmailCampaignsPanel
          eventId={selectedEventId}
          eventName={eventName ?? undefined}
          onClose={() => setShowEmailCampaignsPanel(false)}
          onChanged={() => void loadEmailCampaignMeta()}
        />
      ) : null}

      {showCreateEmailCampaign && selectedEventId ? (
        <CreateEmailCampaignPanel
          eventId={selectedEventId}
          onClose={() => setShowCreateEmailCampaign(false)}
          onSuccess={() => void loadEmailCampaignMeta()}
        />
      ) : null}

      {showExhibitorsPanel && selectedEventId ? (
        <EventExhibitorsPanel
          eventId={selectedEventId}
          eventName={eventName ?? undefined}
          canWrite={canWriteExhibitors}
          onClose={() => setShowExhibitorsPanel(false)}
          onAdd={() => {
            setShowExhibitorsPanel(false);
            setEditingExhibitor(null);
            setShowAddExhibitor(true);
          }}
          onEdit={(ex) => {
            setShowExhibitorsPanel(false);
            setEditingExhibitor(ex);
            setShowAddExhibitor(true);
          }}
          onChanged={() => void loadExhibitorMeta()}
        />
      ) : null}

      {showAddExhibitor && selectedEventId ? (
        <AddExhibitorPanel
          key={editingExhibitor?._id ?? "create"}
          eventId={selectedEventId}
          eventName={eventName ?? undefined}
          exhibitor={editingExhibitor}
          onClose={() => {
            setShowAddExhibitor(false);
            setEditingExhibitor(null);
          }}
          onSuccess={() => {
            void loadExhibitorMeta();
            setShowExhibitorsPanel(true);
          }}
        />
      ) : null}
    </>
  );
}