'use client';

import { useState, useEffect, useMemo } from 'react';
import { PageLayout } from '@/components/organisms/PageLayout';
import { PageHeader } from '@/components/organisms/PageHeader';
import { useItemMaster } from '@/contexts/ItemMasterContext';
import type { SectionTemplate, BOMItem, TemplateField } from '@/contexts/ItemMasterContext';
import { MasterFieldTab, HierarchyTab, SectionsTab } from './ItemMasterDataManagement/tabs';
import { FieldDialog } from './ItemMasterDataManagement/dialogs/FieldDialog';
// ConditionalFieldConfig type removed - not currently used
import { FieldDrawer } from './ItemMasterDataManagement/dialogs/FieldDrawer';
import { TabManagementDialogs } from './ItemMasterDataManagement/dialogs/TabManagementDialogs';
import { OptionDialog } from './ItemMasterDataManagement/dialogs/OptionDialog';
import { ColumnManageDialog } from './ItemMasterDataManagement/dialogs/ColumnManageDialog';
import { PathEditDialog } from './ItemMasterDataManagement/dialogs/PathEditDialog';
import { PageDialog } from './ItemMasterDataManagement/dialogs/PageDialog';
import { SectionDialog } from './ItemMasterDataManagement/dialogs/SectionDialog';
import { MasterFieldDialog } from './ItemMasterDataManagement/dialogs/MasterFieldDialog';
import { TemplateFieldDialog } from './ItemMasterDataManagement/dialogs/TemplateFieldDialog';
import { LoadTemplateDialog } from './ItemMasterDataManagement/dialogs/LoadTemplateDialog';
import { ColumnDialog } from './ItemMasterDataManagement/dialogs/ColumnDialog';
import { SectionTemplateDialog } from './ItemMasterDataManagement/dialogs/SectionTemplateDialog';
import { ImportSectionDialog } from './ItemMasterDataManagement/dialogs/ImportSectionDialog';
import { ImportFieldDialog } from './ItemMasterDataManagement/dialogs/ImportFieldDialog';
import { itemMasterApi } from '@/lib/api/item-master';
import { getErrorMessage, ApiError } from '@/lib/api/error-handler';
import { LoadingSpinner } from '@/components/ui/loading-spinner';
import { ServerErrorPage } from '@/components/common/ServerErrorPage';
import {
  transformPagesResponse,
  transformSectionsResponse,
  transformSectionTemplatesResponse,
  transformFieldsResponse,
  transformCustomTabsResponse,
  transformUnitOptionsResponse,
  transformSectionTemplateFromSection,
} from '@/lib/api/transformers';
import {
  Database,
  Plus,
  Trash2,
  FileText,
  Settings,
  Package,
} from 'lucide-react';
import { Button } from '@/components/ui/button';
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card';
import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
import { Badge } from '@/components/ui/badge';
import { toast } from 'sonner';

// 커스텀 훅 import
import {
  usePageManagement,
  useSectionManagement,
  useFieldManagement,
  useMasterFieldManagement,
  useTemplateManagement,
  useAttributeManagement,
  useTabManagement,
} from './ItemMasterDataManagement/hooks';

const ITEM_TYPE_OPTIONS = [
  { value: 'FG', label: '제품 (FG)' },
  { value: 'PT', label: '부품 (PT)' },
  { value: 'SM', label: '부자재 (SM)' },
  { value: 'RM', label: '원자재 (RM)' },
  { value: 'CS', label: '소모품 (CS)' }
];

const INPUT_TYPE_OPTIONS = [
  { value: 'textbox', label: '텍스트박스' },
  { value: 'dropdown', label: '드롭다운' },
  { value: 'checkbox', label: '체크박스' },
  { value: 'number', label: '숫자' },
  { value: 'date', label: '날짜' },
  { value: 'textarea', label: '텍스트영역' }
];

// 입력 타입 라벨 변환 헬퍼 함수 (중복 코드 제거)
const getInputTypeLabel = (inputType: string | undefined): string => {
  const labels: Record<string, string> = {
    textbox: '텍스트박스',
    number: '숫자',
    dropdown: '드롭다운',
    checkbox: '체크박스',
    date: '날짜',
    textarea: '텍스트영역',
  };
  return labels[inputType || ''] || '텍스트박스';
};

export function ItemMasterDataManagement() {
  const {
    itemPages,
    loadItemPages,
    updateItemPage,
    deleteItemPage,
    updateSection,
    deleteSection,
    reorderFields,
    itemMasterFields,
    loadItemMasterFields,
    sectionTemplates,
    loadSectionTemplates,
    resetAllData,
    // 2025-11-26 추가: 독립 엔티티 관리
    independentSections,
    loadIndependentSections,
    loadIndependentFields,
    refreshIndependentSections,
    refreshIndependentFields,
    linkSectionToPage,
    linkFieldToSection,
    unlinkFieldFromSection,
    getSectionUsage,
    getFieldUsage,
    cloneSection,
    reorderSections,
    // 2025-11-27 추가: BOM 항목 API 함수
    addBOMItem,
    updateBOMItem,
    deleteBOMItem,
  } = useItemMaster();

  console.log('ItemMasterDataManagement: Current sectionTemplates', sectionTemplates);

  // 2025-11-27: itemPages 변화 추적 (디버깅용)
  useEffect(() => {
    console.log('[ItemMasterDataManagement] ⚡ itemPages changed:', {
      pageCount: itemPages.length,
      pages: itemPages.map(p => ({
        id: p.id,
        name: p.page_name,
        sectionsCount: p.sections.length,
        sections: p.sections.map(s => ({
          id: s.id,
          title: s.title,
          fieldsCount: s.fields?.length || 0
        }))
      }))
    });
  }, [itemPages]);

  // ===== 커스텀 훅 초기화 =====
  const pageManagement = usePageManagement();
  const sectionManagement = useSectionManagement();
  const fieldManagement = useFieldManagement();
  const masterFieldManagement = useMasterFieldManagement();
  const templateManagement = useTemplateManagement();
  const attributeManagement = useAttributeManagement();
  const tabManagement = useTabManagement();

  // 훅에서 필요한 값들 구조분해
  const {
    selectedPageId, setSelectedPageId, selectedPage,
    editingPageId, setEditingPageId, editingPageName, setEditingPageName,
    isPageDialogOpen, setIsPageDialogOpen,
    newPageName, setNewPageName, newPageItemType, setNewPageItemType,
    editingPathPageId, setEditingPathPageId, editingAbsolutePath, setEditingAbsolutePath,
    handleAddPage, handleDuplicatePage,
  } = pageManagement;

  const {
    editingSectionId, setEditingSectionId,
    editingSectionTitle, setEditingSectionTitle,
    isSectionDialogOpen, setIsSectionDialogOpen,
    newSectionTitle, setNewSectionTitle,
    newSectionDescription, setNewSectionDescription,
    newSectionType, setNewSectionType,
    sectionInputMode, setSectionInputMode,
    selectedSectionTemplateId, setSelectedSectionTemplateId,
    handleAddSection, handleLinkTemplate,
    handleEditSectionTitle, handleSaveSectionTitle,
    handleUnlinkSection,
  } = sectionManagement;

  const {
    isFieldDialogOpen, setIsFieldDialogOpen,
    selectedSectionForField, setSelectedSectionForField,
    editingFieldId, setEditingFieldId,
    fieldInputMode, setFieldInputMode,
    showMasterFieldList, setShowMasterFieldList,
    selectedMasterFieldId, setSelectedMasterFieldId,
    newFieldName, setNewFieldName,
    newFieldKey, setNewFieldKey,
    newFieldInputType, setNewFieldInputType,
    newFieldRequired, setNewFieldRequired,
    newFieldOptions, setNewFieldOptions,
    newFieldDescription, setNewFieldDescription,
    textboxColumns, setTextboxColumns,
    isColumnDialogOpen, setIsColumnDialogOpen,
    editingColumnId, setEditingColumnId,
    columnName, setColumnName,
    columnKey, setColumnKey,
    newFieldConditionEnabled, setNewFieldConditionEnabled,
    newFieldConditionTargetType, setNewFieldConditionTargetType,
    newFieldConditionFields, setNewFieldConditionFields,
    newFieldConditionSections, setNewFieldConditionSections,
    tempConditionValue, setTempConditionValue,
    handleAddField, handleEditField,
  } = fieldManagement;

  const {
    isMasterFieldDialogOpen, setIsMasterFieldDialogOpen,
    editingMasterFieldId, setEditingMasterFieldId,
    newMasterFieldName, setNewMasterFieldName,
    newMasterFieldKey, setNewMasterFieldKey,
    newMasterFieldInputType, setNewMasterFieldInputType,
    newMasterFieldRequired, setNewMasterFieldRequired,
    newMasterFieldCategory, setNewMasterFieldCategory,
    newMasterFieldDescription, setNewMasterFieldDescription,
    newMasterFieldOptions, setNewMasterFieldOptions,
    newMasterFieldAttributeType, setNewMasterFieldAttributeType,
    newMasterFieldMultiColumn, setNewMasterFieldMultiColumn,
    newMasterFieldColumnCount, setNewMasterFieldColumnCount,
    newMasterFieldColumnNames, setNewMasterFieldColumnNames,
    handleAddMasterField, handleEditMasterField,
    handleUpdateMasterField, handleDeleteMasterField,
  } = masterFieldManagement;

  const {
    isSectionTemplateDialogOpen, setIsSectionTemplateDialogOpen,
    editingSectionTemplateId, setEditingSectionTemplateId,
    newSectionTemplateTitle, setNewSectionTemplateTitle,
    newSectionTemplateDescription, setNewSectionTemplateDescription,
    newSectionTemplateCategory, setNewSectionTemplateCategory,
    newSectionTemplateType, setNewSectionTemplateType,
    isLoadTemplateDialogOpen, setIsLoadTemplateDialogOpen,
    selectedTemplateId, setSelectedTemplateId,
    isTemplateFieldDialogOpen, setIsTemplateFieldDialogOpen,
    currentTemplateId: _currentTemplateId, setCurrentTemplateId,
    editingTemplateFieldId, setEditingTemplateFieldId,
    templateFieldName, setTemplateFieldName,
    templateFieldKey, setTemplateFieldKey,
    templateFieldInputType, setTemplateFieldInputType,
    templateFieldRequired, setTemplateFieldRequired,
    templateFieldOptions, setTemplateFieldOptions,
    templateFieldDescription, setTemplateFieldDescription,
    templateFieldMultiColumn, setTemplateFieldMultiColumn,
    templateFieldColumnCount, setTemplateFieldColumnCount,
    templateFieldColumnNames, setTemplateFieldColumnNames,
    templateFieldInputMode, setTemplateFieldInputMode,
    templateFieldShowMasterFieldList, setTemplateFieldShowMasterFieldList,
    templateFieldSelectedMasterFieldId, setTemplateFieldSelectedMasterFieldId,
    handleAddSectionTemplate, handleEditSectionTemplate,
    handleUpdateSectionTemplate, handleDeleteSectionTemplate,
    handleLoadTemplate, handleAddTemplateField,
    handleEditTemplateField, handleDeleteTemplateField,
    handleAddBOMItemToTemplate, handleUpdateBOMItemInTemplate,
    handleDeleteBOMItemFromTemplate,
  } = templateManagement;

  const {
    unitOptions, setUnitOptions,
    materialOptions, setMaterialOptions,
    surfaceTreatmentOptions, setSurfaceTreatmentOptions,
    customAttributeOptions, setCustomAttributeOptions,
    isOptionDialogOpen, setIsOptionDialogOpen,
    editingOptionType, setEditingOptionType,
    newOptionValue, setNewOptionValue,
    newOptionLabel, setNewOptionLabel,
    newOptionColumnValues, setNewOptionColumnValues,
    newOptionInputType, setNewOptionInputType,
    newOptionRequired, setNewOptionRequired,
    newOptionOptions, setNewOptionOptions,
    newOptionPlaceholder, setNewOptionPlaceholder,
    newOptionDefaultValue, setNewOptionDefaultValue,
    isColumnManageDialogOpen, setIsColumnManageDialogOpen,
    managingColumnType, setManagingColumnType,
    attributeColumns, setAttributeColumns,
    newColumnName, setNewColumnName,
    newColumnKey, setNewColumnKey,
    newColumnType, setNewColumnType,
    newColumnRequired, setNewColumnRequired,
    handleAddOption, handleDeleteOption,
    handleAddColumn: _handleAddColumn, handleDeleteColumn: _handleDeleteColumn,
  } = attributeManagement;

  const {
    customTabs, setCustomTabs,
    activeTab, setActiveTab,
    attributeSubTabs, setAttributeSubTabs,
    activeAttributeTab, setActiveAttributeTab,
    isAddTabDialogOpen, setIsAddTabDialogOpen,
    isManageTabsDialogOpen, setIsManageTabsDialogOpen,
    newTabLabel, setNewTabLabel,
    editingTabId, setEditingTabId,
    deletingTabId, setDeletingTabId,
    isDeleteTabDialogOpen, setIsDeleteTabDialogOpen,
    isManageAttributeTabsDialogOpen, setIsManageAttributeTabsDialogOpen,
    isAddAttributeTabDialogOpen, setIsAddAttributeTabDialogOpen,
    newAttributeTabLabel, setNewAttributeTabLabel,
    editingAttributeTabId, setEditingAttributeTabId,
    deletingAttributeTabId, setDeletingAttributeTabId,
    isDeleteAttributeTabDialogOpen, setIsDeleteAttributeTabDialogOpen,
    handleAddTab, handleUpdateTab, handleDeleteTab, confirmDeleteTab,
    handleAddAttributeTab, handleUpdateAttributeTab,
    handleDeleteAttributeTab, confirmDeleteAttributeTab,
    moveTabUp, moveTabDown,
    moveAttributeTabUp, moveAttributeTabDown,
    getTabIcon, handleEditTabFromManage,
  } = tabManagement;

  // 모든 페이지의 섹션을 하나의 배열로 평탄화
  const _itemSections = itemPages.flatMap(page =>
    page.sections.map(section => ({
      ...section,
      parentPageId: page.id
    }))
  );

  // 2025-11-26: itemPages의 모든 섹션 + 독립 섹션(independentSections)을 SectionTemplate 형식으로 변환
  // 이렇게 하면 계층구조 탭과 섹션 탭이 같은 데이터 소스를 사용하여 자동 동기화됨
  // 독립 섹션: 페이지에서 연결 해제된 섹션 (page_id = null)
  const sectionsAsTemplates: SectionTemplate[] = useMemo(() => {
    console.log('[sectionsAsTemplates] useMemo 재계산! itemPages:', itemPages.map(p => ({
      id: p.id,
      sections: p.sections.map(s => ({ id: s.id, fieldsCount: s.fields?.length || 0 }))
    })));

    // 1. itemPages에 연결된 섹션들
    const linkedSections = itemPages.flatMap(page =>
      page.sections.map(section => ({
        id: section.id,
        tenant_id: section.tenant_id || 0,
        template_name: section.title,
        section_type: section.section_type,
        description: section.description || null,
        default_fields: null,
        // ItemField → TemplateField 변환
        fields: section.fields?.map(field => ({
          id: field.id.toString(),
          name: field.field_name,
          fieldKey: field.field_name.toLowerCase().replace(/\s+/g, '_'),
          property: {
            inputType: field.field_type,
            // 2025-11-27: is_required와 properties.required 둘 다 체크
            required: field.is_required || field.properties?.required,
            options: field.options?.map((opt: { label: string; value: string }) => opt.label || opt.value),
          },
          description: field.placeholder || undefined,
        } as TemplateField)),
        bomItems: section.bom_items,
        created_by: section.created_by || null,
        updated_by: section.updated_by || null,
        created_at: section.created_at,
        updated_at: section.updated_at,
      }))
    );

    // 2. 독립 섹션들 (page_id = null, 연결 해제된 섹션)
    const unlinkedSections = independentSections.map(section => ({
      id: section.id,
      tenant_id: section.tenant_id || 0,
      template_name: section.title,
      section_type: section.section_type,
      description: section.description || null,
      default_fields: null,
      fields: section.fields?.map(field => ({
        id: field.id.toString(),
        name: field.field_name,
        fieldKey: field.field_name.toLowerCase().replace(/\s+/g, '_'),
        property: {
          inputType: field.field_type,
          // 2025-11-27: is_required와 properties.required 둘 다 체크
          required: field.is_required || field.properties?.required,
          options: field.options?.map((opt: { label: string; value: string }) => opt.label || opt.value),
        },
        description: field.placeholder || undefined,
      } as TemplateField)),
      bomItems: section.bom_items,
      created_by: section.created_by || null,
      updated_by: section.updated_by || null,
      created_at: section.created_at,
      updated_at: section.updated_at,
    }));

    // 3. 중복 제거 (같은 섹션이 여러 페이지에 연결되었거나, 연결 섹션과 독립 섹션에 동시 존재하는 경우)
    const allSections = [...linkedSections, ...unlinkedSections];
    const uniqueSections = Array.from(
      new Map(allSections.map(s => [s.id, s])).values()
    );
    return uniqueSections;
  }, [itemPages, independentSections]);

  // 2025-11-27: sectionsAsTemplates 변화 추적 (디버깅용)
  useEffect(() => {
    console.log('[ItemMasterDataManagement] 📋 sectionsAsTemplates changed:', {
      count: sectionsAsTemplates.length,
      sections: sectionsAsTemplates.map(s => ({
        id: s.id,
        name: s.template_name,
        fieldsCount: s.fields?.length || 0
      }))
    });
  }, [sectionsAsTemplates]);

  // 마운트 상태 추적 (SSR 호환)
  const [_mounted, setMounted] = useState(false);

  useEffect(() => {
    setMounted(true);
  }, []);

  // API 로딩 및 에러 상태 관리
  const [isInitialLoading, setIsInitialLoading] = useState(true);  // 초기 데이터 로딩
  const [_isLoading, _setIsLoading] = useState(false);  // 개별 작업 로딩
  const [error, setError] = useState<string | null>(null);  // 에러 메시지

  // 초기 데이터 로딩
  useEffect(() => {
    const loadInitialData = async () => {
      try {
        setIsInitialLoading(true);
        setError(null);

        const data = await itemMasterApi.init();

        // 2025-11-26: 백엔드가 entity_relationships 기반으로 변경됨
        // - pages[].sections: entity_relationships 기반으로 연결된 섹션 (이미 포함)
        // - sections: 모든 독립 섹션 (재사용 가능 목록)
        // - sectionTemplates: 삭제됨 → sections로 대체

        // 1. 페이지 데이터 로드 (섹션이 이미 포함되어 있음)
        const transformedPages = transformPagesResponse(data.pages);
        loadItemPages(transformedPages);

        // 2. 독립 섹션 로드 (모든 재사용 가능 섹션)
        // 백엔드가 sections 배열로 모든 독립 섹션을 반환
        if (data.sections && data.sections.length > 0) {
          const transformedSections = transformSectionsResponse(data.sections);
          loadIndependentSections(transformedSections);
          console.log('✅ 독립 섹션 로드:', transformedSections.length);
        }

        // 3. 섹션 템플릿 로드 (sectionTemplates → sections로 통합됨)
        // 기존 sectionTemplates가 있으면 호환성 유지, 없으면 sections 사용
        if (data.sectionTemplates && data.sectionTemplates.length > 0) {
          const transformedTemplates = transformSectionTemplatesResponse(data.sectionTemplates);
          loadSectionTemplates(transformedTemplates);
        } else if (data.sections && data.sections.length > 0) {
          // sectionTemplates가 없으면 sections에서 is_template=true인 것만 사용
          const templates = data.sections
            .filter((s: { is_template?: boolean }) => s.is_template)
            .map(transformSectionTemplateFromSection);
          if (templates.length > 0) {
            loadSectionTemplates(templates);
          }
        }

        // 필드 로드 (2025-11-27: masterFields가 fields로 통합됨)
        // data.fields = 모든 필드 목록 (백엔드 init API에서 반환)
        if (data.fields && data.fields.length > 0) {
          const transformedFields = transformFieldsResponse(data.fields);

          // 2025-11-27: section_id가 null인 필드만 필터링 (독립 필드)
          const independentOnlyFields = transformedFields.filter(
            f => f.section_id === null || f.section_id === undefined
          );

          // 2025-11-27: 항목탭용 (itemMasterFields) - 모든 필드 로드
          // 계층구조에서 추가한 필드도 항목탭에 바로 표시되도록 함
          // addFieldToSection에서 setItemMasterFields를 호출하므로 일관성 유지
          loadItemMasterFields(transformedFields as any);

          // 독립 필드용 (independentFields) - section_id=null인 필드만
          loadIndependentFields(independentOnlyFields);

          console.log('✅ 필드 로드:', {
            total: transformedFields.length,
            independent: independentOnlyFields.length,
            allFieldsForItemsTab: transformedFields.length,
          });
        }

        // 커스텀 탭 로드 (local state) - 교체 방식 (복제 방지)
        if (data.customTabs && data.customTabs.length > 0) {
          const transformedTabs = transformCustomTabsResponse(data.customTabs);
          setCustomTabs(transformedTabs);
        }

        // 단위 옵션 로드 (local state)
        if (data.unitOptions && data.unitOptions.length > 0) {
          const transformedUnits = transformUnitOptionsResponse(data.unitOptions);
          setUnitOptions(transformedUnits);
        }

        console.log('✅ Initial data loaded:', {
          pages: data.pages?.length || 0,
          sections: data.sections?.length || 0,
          fields: data.fields?.length || 0,
          customTabs: data.customTabs?.length || 0,
          unitOptions: data.unitOptions?.length || 0,
        });

      } catch (err) {
        if (err instanceof ApiError && err.errors) {
          // Validation 에러 (422)
          const errorMessages = Object.entries(err.errors)
            .map(([field, messages]) => `${field}: ${messages.join(', ')}`)
            .join('\n');
          toast.error(errorMessages);
          setError('입력값을 확인해주세요.');
        } else {
          const errorMessage = getErrorMessage(err);
          setError(errorMessage);
          toast.error(errorMessage);
        }
        console.error('❌ Failed to load initial data:', err);
      } finally {
        setIsInitialLoading(false);
      }
    };

    loadInitialData();
  }, []);

  // ===== 훅으로 이동된 상태들 (참조용 주석) =====
  // 탭, 속성, 페이지, 섹션 관련 상태는 위의 훅에서 관리됩니다.

  // 모바일 체크
  const [isMobile, setIsMobile] = useState(false);
  useEffect(() => {
    const checkMobile = () => setIsMobile(window.innerWidth < 768);
    checkMobile();
    window.addEventListener('resize', checkMobile);
    return () => window.removeEventListener('resize', checkMobile);
  }, []);
  
  // 필드, 마스터필드, 템플릿 관련 상태는 위의 훅에서 관리됩니다.

  // BOM 관리 상태 (훅에 없음)
  const [_bomItems, setBomItems] = useState<BOMItem[]>([]);

  // 2025-11-26 추가: 섹션/필드 불러오기 다이얼로그 상태
  const [isImportSectionDialogOpen, setIsImportSectionDialogOpen] = useState(false);
  const [isImportFieldDialogOpen, setIsImportFieldDialogOpen] = useState(false);
  const [selectedImportSectionId, setSelectedImportSectionId] = useState<number | null>(null);
  const [selectedImportFieldId, setSelectedImportFieldId] = useState<number | null>(null);
  const [importFieldTargetSectionId, setImportFieldTargetSectionId] = useState<number | null>(null);

  // 2025-11-26 추가: 섹션 불러오기 핸들러
  const handleImportSection = async () => {
    if (!selectedPageId || !selectedImportSectionId) return;

    try {
      await linkSectionToPage(selectedPageId, selectedImportSectionId);
      toast.success('섹션을 불러왔습니다.');
      setSelectedImportSectionId(null);
    } catch (error) {
      console.error('섹션 불러오기 실패:', error);
      toast.error(getErrorMessage(error));
    }
  };

  /**
   * 필드 불러오기 핸들러
   *
   * @description 2025-11-27: API 변경으로 단순화
   * - 이전: source 파라미터로 'master' | 'independent' 구분
   * - 현재: 모든 필드가 item_fields로 통합 → linkFieldToSection만 사용
   * - section_id=NULL인 필드를 섹션에 연결하는 방식으로 통일
   */
  const handleImportField = async () => {
    if (!importFieldTargetSectionId || !selectedImportFieldId) return;

    try {
      // 2025-11-27: 통합된 필드 연결 방식
      await linkFieldToSection(importFieldTargetSectionId, selectedImportFieldId);
      toast.success('필드를 섹션에 연결했습니다.');

      setSelectedImportFieldId(null);
      setImportFieldTargetSectionId(null);
    } catch (error) {
      console.error('필드 불러오기 실패:', error);
      toast.error(getErrorMessage(error));
    }
  };

  // 2025-11-26 추가: 섹션 복제 핸들러
  const handleCloneSection = async (sectionId: number) => {
    try {
      await cloneSection(sectionId);
      toast.success('섹션이 복제되었습니다.');
    } catch (error) {
      console.error('섹션 복제 실패:', error);
      toast.error(getErrorMessage(error));
    }
  };

  // ===== 이하 핸들러들은 훅으로 이동되어 제거됨 =====
  // handleAddOption, handleDeleteOption → useAttributeManagement
  // handleAddPage, handleDuplicatePage → usePageManagement
  // handleAddSection, handleLinkTemplate, handleEditSectionTitle, handleSaveSectionTitle → useSectionManagement
  // handleAddField, handleEditField → useFieldManagement
  // handleAddMasterField, handleEditMasterField, handleUpdateMasterField, handleDeleteMasterField → useMasterFieldManagement
  // handleAddSectionTemplate 등 템플릿 관련 → useTemplateManagement
  // handleAddTab 등 탭 관련 → useTabManagement

  // 페이지 삭제 핸들러 (pendingChanges 제거 포함) - 훅에 없어 유지
  const handleDeletePageWithTracking = (pageId: number) => {
    const pageToDelete = itemPages.find(p => p.id === pageId);
    const sectionIds = pageToDelete?.sections.map(s => s.id) || [];
    const fieldIds = pageToDelete?.sections.flatMap(s => s.fields?.map(f => f.id) || []) || [];
    deleteItemPage(pageId);
    console.log('페이지 삭제 완료:', { pageId, removedSections: sectionIds.length, removedFields: fieldIds.length });
  };

  // 섹션 삭제 핸들러 (pendingChanges 제거 포함) - 훅에 없어 유지
  const _handleDeleteSectionWithTracking = (pageId: number, sectionId: number) => {
    const page = itemPages.find(p => p.id === pageId);
    const sectionToDelete = page?.sections.find(s => s.id === sectionId);
    const fieldIds = sectionToDelete?.fields?.map(f => f.id) || [];
    deleteSection(Number(sectionId));
    console.log('섹션 삭제 완료:', { sectionId, removedFields: fieldIds.length });
  };

  // 필드 연결 해제 핸들러 (2025-11-27: 삭제 → unlink로 변경)
  // 섹션에서 필드 연결만 해제하고, 필드 자체는 독립 필드 목록에 유지됨
  const handleUnlinkFieldWithTracking = async (_pageId: string, sectionId: string, fieldId: string) => {
    try {
      await unlinkFieldFromSection(Number(sectionId), Number(fieldId));
      console.log('필드 연결 해제 완료:', fieldId);
    } catch (error) {
      console.error('필드 연결 해제 실패:', error);
      toast.error('필드 연결 해제에 실패했습니다');
    }
  };

  // 절대경로 업데이트 - 로컬에서 처리
  const _handleUpdateAbsolutePathLocal = (pageId: number, newPath: string) => {
    updateItemPage(pageId, { absolute_path: newPath });
    toast.success('절대경로가 업데이트되었습니다');
  };

  // 필드 순서 변경
  const _handleReorderFieldsLocal = (sectionId: number, orderedFieldIds: number[]) => {
    reorderFields(sectionId, orderedFieldIds);
  };

  // 페이지 이름 업데이트
  const _handleUpdatePageNameLocal = (pageId: number, newName: string) => {
    updateItemPage(pageId, { page_name: newName });
    toast.success('페이지 이름이 업데이트되었습니다');
  };

  // ===== 래퍼 함수들 (훅 함수에 selectedPage 바인딩 및 타입 호환성) =====
  const handleAddSectionWrapper = () => handleAddSection(selectedPage);
  const handleLinkTemplateWrapper = (template: SectionTemplate) => handleLinkTemplate(template, selectedPage);
  const handleSaveSectionTitleWrapper = () => handleSaveSectionTitle(selectedPage);
  const handleAddFieldWrapper = () => handleAddField(selectedPage);
  const handleLoadTemplateWrapper = () => handleLoadTemplate(selectedPage);

  // setter 래퍼들 (Dispatch<SetStateAction> 타입 호환성)
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  const setNewSectionTypeWrapper: React.Dispatch<React.SetStateAction<'fields' | 'bom'>> = setNewSectionType as any;
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  const setNewPageItemTypeWrapper: React.Dispatch<React.SetStateAction<'FG' | 'PT' | 'SM' | 'RM' | 'CS'>> = setNewPageItemType as any;

  // ===== 유틸리티 함수들 =====
  // 현재 섹션의 모든 필드 가져오기 (조건부 필드 참조용)
  const _getAllFieldsInSection = (sectionId: number) => {
    if (!selectedPage) return [];
    const section = selectedPage.sections.find(s => s.id === sectionId);
    return section?.fields || [];
  };

  // 섹션 순서 변경 핸들러 (드래그앤드롭)
  const moveSection = async (dragIndex: number, hoverIndex: number) => {
    if (!selectedPage) return;

    const sections = [...selectedPage.sections];
    const [draggedSection] = sections.splice(dragIndex, 1);
    sections.splice(hoverIndex, 0, draggedSection);

    // 새로운 순서의 섹션 ID 배열 생성
    const sectionIds = sections.map(s => s.id);

    try {
      // API를 통해 섹션 순서 변경 (Context의 reorderSections 사용)
      await reorderSections(selectedPage.id, sectionIds);
      toast.success('섹션 순서가 변경되었습니다');
    } catch (error) {
      console.error('섹션 순서 변경 실패:', error);
      toast.error('섹션 순서 변경에 실패했습니다');
    }
  };

  // 필드 순서 변경 핸들러
  const moveField = (sectionId: number, dragIndex: number, hoverIndex: number) => {
    if (!selectedPage) return;
    const section = selectedPage.sections.find(s => s.id === sectionId);
    if (!section || !section.fields) return;
    const newFields = [...section.fields];
    const [draggedField] = newFields.splice(dragIndex, 1);
    newFields.splice(hoverIndex, 0, draggedField);
    reorderFields(sectionId, newFields.map(f => f.id));
    // hasUnsavedChanges는 computed value이므로 자동 계산됨
  };

  // 전체 데이터 초기화 핸들러
  const _handleResetAllData = () => {
    if (!confirm('⚠️ 경고: 모든 품목기준관리 데이터(계층구조, 섹션, 항목, 속성)를 초기화하시겠습니까?\n\n이 작업은 되돌릴 수 없습니다!')) {
      return;
    }

    try {
      // ItemMasterContext의 모든 데이터 및 캐시 초기화
      resetAllData();

      // 로컬 상태 초기화 (ItemMasterContext가 관리하지 않는 컴포넌트 로컬 상태)
      setUnitOptions([]);
      setMaterialOptions([]);
      setSurfaceTreatmentOptions([]);
      setCustomAttributeOptions({});
      setAttributeColumns({});
      setBomItems([]);

      // 탭 상태 초기화 (기본 탭만 남김)
      setCustomTabs([
        { id: 'hierarchy', label: '계층구조', icon: 'FolderTree', isDefault: true, order: 1 },
        { id: 'sections', label: '섹션', icon: 'Layers', isDefault: true, order: 2 },
        { id: 'items', label: '항목', icon: 'ListTree', isDefault: true, order: 3 },
        { id: 'attributes', label: '속성', icon: 'Settings', isDefault: true, order: 4 }
      ]);

      setAttributeSubTabs([]);

      console.log('🗑️ 모든 품목기준관리 데이터가 초기화되었습니다');
      toast.success('✅ 모든 데이터가 초기화되었습니다!\n계층구조, 섹션, 항목, 속성이 모두 삭제되었습니다.');

      // 페이지 새로고침하여 완전히 초기화된 상태 반영
      setTimeout(() => {
        window.location.reload();
      }, 1500);
    } catch (error) {
      toast.error('초기화 중 오류가 발생했습니다');
      console.error('Reset error:', error);
    }
  };

  // 초기 로딩 중 UI
  if (isInitialLoading) {
    return (
      <div className="flex items-center justify-center min-h-screen">
        <LoadingSpinner size="lg" text="데이터를 불러오는 중..." />
      </div>
    );
  }

  // 에러 발생 시 UI
  if (error) {
    return (
      <ServerErrorPage
        title="데이터를 불러올 수 없습니다"
        message={error}
        onRetry={() => window.location.reload()}
        showContactInfo={true}
      />
    );
  }

  return (
    <PageLayout>
      <PageHeader
        title="품목기준관리"
        description="품목관리에서 사용되는 기준 정보를 설정하고 관리합니다"
        icon={Database}
      />

      <Tabs value={activeTab} onValueChange={setActiveTab}>
        <div className="flex items-center gap-2 mb-4">
          <TabsList className="flex-1">
            {customTabs.sort((a, b) => a.order - b.order).map(tab => {
              const Icon = getTabIcon(tab.icon);
              return (
                <TabsTrigger key={tab.id} value={tab.id}>
                  <Icon className="w-4 h-4 mr-2" />
                  {tab.label}
                </TabsTrigger>
              );
            })}
          </TabsList>
          {/*<Button*/}
          {/*  size="sm"*/}
          {/*  variant="outline"*/}
          {/*  onClick={() => setIsManageTabsDialogOpen(true)}*/}
          {/*>*/}
          {/*  <Settings className="h-4 w-4 mr-1" />*/}
          {/*  탭 관리*/}
          {/*</Button>*/}
          {/* 전체 초기화 버튼 숨김 처리 - 디자인에 없는 기능 */}
          {/* <Button
            size="sm"
            variant="destructive"
            onClick={handleResetAllData}
          >
            <Trash2 className="h-4 w-4 mr-1" />
            전체 초기화
          </Button> */}
        </div>

        {/* 속성 탭 (단위/재질/표면처리 통합) */}
        <TabsContent value="attributes" className="space-y-4">
          <Card>
            <CardHeader>
              <CardTitle>속성 관리</CardTitle>
              <CardDescription>단위, 재질, 표면처리 등의 속성을 관리합니다</CardDescription>
            </CardHeader>
            <CardContent>
              {/* 속성 하위 탭 (칩 형태) */}
              <div className="flex items-center gap-2 mb-6 border-b pb-2">
                <div className="flex gap-2 flex-1 flex-wrap">
                  {attributeSubTabs.sort((a, b) => a.order - b.order).map(tab => (
                    <Button
                      key={tab.id}
                      variant={activeAttributeTab === tab.key ? 'default' : 'outline'}
                      size="sm"
                      onClick={() => setActiveAttributeTab(tab.key)}
                      className="rounded-full"
                    >
                      {tab.label}
                    </Button>
                  ))}
                </div>
                <Button
                  variant="ghost"
                  size="sm"
                  onClick={() => setIsManageAttributeTabsDialogOpen(true)}
                  className="shrink-0"
                >
                  <Settings className="w-4 h-4 mr-1" />
                  항목 관리
                </Button>
              </div>

              {/* 단위 관리 */}
              {activeAttributeTab === 'units' && (
                <div className="space-y-4">
                  <div className="flex items-center justify-between mb-4">
                    <h3 className="font-medium">단위 목록</h3>
                    <div className="flex gap-2">
                      <Button variant="outline" size="sm" onClick={() => { 
                        setManagingColumnType('units'); 
                        setNewColumnName('');
                        setNewColumnKey('');
                        setNewColumnType('text');
                        setNewColumnRequired(false);
                        setIsColumnManageDialogOpen(true); 
                      }}>
                        <Settings className="w-4 h-4 mr-2" />칼럼 관리
                      </Button>
                      <Button size="sm" onClick={() => { setEditingOptionType('unit'); setIsOptionDialogOpen(true); }}>
                        <Plus className="w-4 h-4 mr-2" />추가
                      </Button>
                    </div>
                  </div>
                  <div className="space-y-3">
                    {unitOptions.map((option) => {
                      const columns = attributeColumns['units'] || [];
                      const hasColumns = columns.length > 0 && option.columnValues;

                      return (
                        <div key={option.id} className="p-4 border rounded hover:bg-gray-50 transition-colors">
                          <div className="flex items-start justify-between gap-3">
                            <div className="flex-1 space-y-2">
                              <div className="flex items-center gap-2">
                                <span className="font-medium text-base">{option.label}</span>
                                {option.inputType && (
                                  <Badge variant="outline" className="text-xs">{getInputTypeLabel(option.inputType)}</Badge>
                                )}
                                {option.required && (
                                  <Badge variant="destructive" className="text-xs">필수</Badge>
                                )}
                              </div>
                              
                              <div className="text-sm text-muted-foreground space-y-1">
                                <div className="flex gap-2">
                                  <span className="font-medium min-w-16">값(Value):</span>
                                  <span>{option.value}</span>
                                </div>
                                {option.placeholder && (
                                  <div className="flex gap-2">
                                    <span className="font-medium min-w-16">플레이스홀더:</span>
                                    <span>{option.placeholder}</span>
                                  </div>
                                )}
                                {option.defaultValue && (
                                  <div className="flex gap-2">
                                    <span className="font-medium min-w-16">기본값:</span>
                                    <span>{option.defaultValue}</span>
                                  </div>
                                )}
                                {option.inputType === 'dropdown' && option.options && (
                                  <div className="flex gap-2">
                                    <span className="font-medium min-w-16">옵션:</span>
                                    <div className="flex flex-wrap gap-1">
                                      {option.options.map((opt, idx) => (
                                        <Badge key={idx} variant="secondary" className="text-xs">{opt}</Badge>
                                      ))}
                                    </div>
                                  </div>
                                )}
                              </div>
                              
                              {hasColumns && (
                                <div className="mt-3 pt-3 border-t">
                                  <p className="text-xs font-medium text-muted-foreground mb-2">추가 칼럼</p>
                                  <div className="grid grid-cols-2 gap-2 text-sm">
                                    {columns.map((column) => (
                                      <div key={column.id} className="flex gap-2">
                                        <span className="text-muted-foreground">{column.name}:</span>
                                        <span>{option.columnValues?.[column.key] || '-'}</span>
                                      </div>
                                    ))}
                                  </div>
                                </div>
                              )}
                            </div>
                            <Button variant="ghost" size="sm" onClick={() => handleDeleteOption('unit', option.id)}>
                              <Trash2 className="w-4 h-4 text-red-500" />
                            </Button>
                          </div>
                        </div>
                      );
                    })}
                  </div>
                </div>
              )}

              {/* 재질 관리 */}
              {activeAttributeTab === 'materials' && (
                <div className="space-y-4">
                  <div className="flex items-center justify-between mb-4">
                    <h3 className="font-medium">재질 목록</h3>
                    <div className="flex gap-2">
                      <Button variant="outline" size="sm" onClick={() => { 
                        setManagingColumnType('materials'); 
                        setNewColumnName('');
                        setNewColumnKey('');
                        setNewColumnType('text');
                        setNewColumnRequired(false);
                        setIsColumnManageDialogOpen(true); 
                      }}>
                        <Settings className="w-4 h-4 mr-2" />칼럼 관리
                      </Button>
                      <Button size="sm" onClick={() => { setEditingOptionType('material'); setIsOptionDialogOpen(true); }}>
                        <Plus className="w-4 h-4 mr-2" />추가
                      </Button>
                    </div>
                  </div>
                  <div className="space-y-3">
                    {materialOptions.map((option) => {
                      const columns = attributeColumns['materials'] || [];
                      const hasColumns = columns.length > 0 && option.columnValues;

                      return (
                        <div key={option.id} className="p-4 border rounded hover:bg-gray-50 transition-colors">
                          <div className="flex items-start justify-between gap-3">
                            <div className="flex-1 space-y-2">
                              <div className="flex items-center gap-2">
                                <span className="font-medium text-base">{option.label}</span>
                                {option.inputType && (
                                  <Badge variant="outline" className="text-xs">{getInputTypeLabel(option.inputType)}</Badge>
                                )}
                                {option.required && (
                                  <Badge variant="destructive" className="text-xs">필수</Badge>
                                )}
                              </div>
                              
                              <div className="text-sm text-muted-foreground space-y-1">
                                <div className="flex gap-2">
                                  <span className="font-medium min-w-16">값(Value):</span>
                                  <span>{option.value}</span>
                                </div>
                                {option.placeholder && (
                                  <div className="flex gap-2">
                                    <span className="font-medium min-w-16">플레이스홀더:</span>
                                    <span>{option.placeholder}</span>
                                  </div>
                                )}
                                {option.defaultValue && (
                                  <div className="flex gap-2">
                                    <span className="font-medium min-w-16">기본값:</span>
                                    <span>{option.defaultValue}</span>
                                  </div>
                                )}
                                {option.inputType === 'dropdown' && option.options && (
                                  <div className="flex gap-2">
                                    <span className="font-medium min-w-16">옵션:</span>
                                    <div className="flex flex-wrap gap-1">
                                      {option.options.map((opt, idx) => (
                                        <Badge key={idx} variant="secondary" className="text-xs">{opt}</Badge>
                                      ))}
                                    </div>
                                  </div>
                                )}
                              </div>
                              
                              {hasColumns && (
                                <div className="mt-3 pt-3 border-t">
                                  <p className="text-xs font-medium text-muted-foreground mb-2">추가 칼럼</p>
                                  <div className="grid grid-cols-2 gap-2 text-sm">
                                    {columns.map((column) => (
                                      <div key={column.id} className="flex gap-2">
                                        <span className="text-muted-foreground">{column.name}:</span>
                                        <span>{option.columnValues?.[column.key] || '-'}</span>
                                      </div>
                                    ))}
                                  </div>
                                </div>
                              )}
                            </div>
                            <Button variant="ghost" size="sm" onClick={() => handleDeleteOption('material', option.id)}>
                              <Trash2 className="w-4 h-4 text-red-500" />
                            </Button>
                          </div>
                        </div>
                      );
                    })}
                  </div>
                </div>
              )}

              {/* 표면처리 관리 */}
              {activeAttributeTab === 'surface' && (
                <div className="space-y-4">
                  <div className="flex items-center justify-between mb-4">
                    <h3 className="font-medium">표면처리 목록</h3>
                    <div className="flex gap-2">
                      <Button variant="outline" size="sm" onClick={() => { 
                        setManagingColumnType('surface'); 
                        setNewColumnName('');
                        setNewColumnKey('');
                        setNewColumnType('text');
                        setNewColumnRequired(false);
                        setIsColumnManageDialogOpen(true); 
                      }}>
                        <Settings className="w-4 h-4 mr-2" />칼럼 관리
                      </Button>
                      <Button size="sm" onClick={() => { setEditingOptionType('surface'); setIsOptionDialogOpen(true); }}>
                        <Plus className="w-4 h-4 mr-2" />추가
                      </Button>
                    </div>
                  </div>
                  <div className="space-y-3">
                    {surfaceTreatmentOptions.map((option) => {
                      const columns = attributeColumns['surface'] || [];
                      const hasColumns = columns.length > 0 && option.columnValues;
                      const inputTypeLabel = getInputTypeLabel(option.inputType);

                      return (
                        <div key={option.id} className="p-4 border rounded hover:bg-gray-50 transition-colors">
                          <div className="flex items-start justify-between gap-3">
                            <div className="flex-1 space-y-2">
                              <div className="flex items-center gap-2">
                                <span className="font-medium text-base">{option.label}</span>
                                {option.inputType && (
                                  <Badge variant="outline" className="text-xs">{inputTypeLabel}</Badge>
                                )}
                                {option.required && (
                                  <Badge variant="destructive" className="text-xs">필수</Badge>
                                )}
                              </div>
                              
                              <div className="text-sm text-muted-foreground space-y-1">
                                <div className="flex gap-2">
                                  <span className="font-medium min-w-16">값(Value):</span>
                                  <span>{option.value}</span>
                                </div>
                                {option.placeholder && (
                                  <div className="flex gap-2">
                                    <span className="font-medium min-w-16">플레이스홀더:</span>
                                    <span>{option.placeholder}</span>
                                  </div>
                                )}
                                {option.defaultValue && (
                                  <div className="flex gap-2">
                                    <span className="font-medium min-w-16">기본값:</span>
                                    <span>{option.defaultValue}</span>
                                  </div>
                                )}
                                {option.inputType === 'dropdown' && option.options && (
                                  <div className="flex gap-2">
                                    <span className="font-medium min-w-16">옵션:</span>
                                    <div className="flex flex-wrap gap-1">
                                      {option.options.map((opt, idx) => (
                                        <Badge key={idx} variant="secondary" className="text-xs">{opt}</Badge>
                                      ))}
                                    </div>
                                  </div>
                                )}
                              </div>
                              
                              {hasColumns && (
                                <div className="mt-3 pt-3 border-t">
                                  <p className="text-xs font-medium text-muted-foreground mb-2">추가 칼럼</p>
                                  <div className="grid grid-cols-2 gap-2 text-sm">
                                    {columns.map((column) => (
                                      <div key={column.id} className="flex gap-2">
                                        <span className="text-muted-foreground">{column.name}:</span>
                                        <span>{option.columnValues?.[column.key] || '-'}</span>
                                      </div>
                                    ))}
                                  </div>
                                </div>
                              )}
                            </div>
                            <Button variant="ghost" size="sm" onClick={() => handleDeleteOption('surface', option.id)}>
                              <Trash2 className="w-4 h-4 text-red-500" />
                            </Button>
                          </div>
                        </div>
                      );
                    })}
                  </div>
                </div>
              )}

              {/* 사용자 정의 속성 탭 및 마스터 항목 탭 */}
              {!['units', 'materials', 'surface'].includes(activeAttributeTab) && (() => {
                const currentTabKey = activeAttributeTab;
                
                // 마스터 항목인지 확인
                const masterField = itemMasterFields.find(f => f.id.toString() === currentTabKey);

                // 마스터 항목이면 해당 항목의 속성값들을 표시
                // Note: properties is Record<string, any> | null, convert to array for display
                const propertiesArray = masterField?.properties
                  ? Object.entries(masterField.properties).map(([key, value]) => ({ key, ...value as object }))
                  : [];

                if (masterField && propertiesArray.length > 0) {
                  return (
                    <div className="space-y-4">
                      <div className="flex items-center justify-between mb-4">
                        <div>
                          <h3 className="font-medium">{masterField.field_name} 속성 목록</h3>
                          <p className="text-sm text-muted-foreground mt-1">
                            항목 탭에서 추가한 "{masterField.field_name}" 항목의 속성값들입니다
                          </p>
                        </div>
                      </div>

                      <div className="space-y-3">
                        {/* eslint-disable-next-line @typescript-eslint/no-explicit-any */}
                        {propertiesArray.map((property: any) => {
                          const inputTypeLabel = getInputTypeLabel(property.type);

                          return (
                            <div key={property.id} className="p-4 border rounded hover:bg-gray-50 transition-colors">
                              <div className="flex items-start justify-between gap-3">
                                <div className="flex-1 space-y-2">
                                  <div className="flex items-center gap-2">
                                    <span className="font-medium text-base">{property.label}</span>
                                    <Badge variant="outline" className="text-xs">{inputTypeLabel}</Badge>
                                    {property.required && (
                                      <Badge variant="destructive" className="text-xs">필수</Badge>
                                    )}
                                  </div>
                                  
                                  <div className="text-sm text-muted-foreground space-y-1">
                                    <div className="flex gap-2">
                                      <span className="font-medium min-w-24">키(Key):</span>
                                      <code className="bg-gray-100 px-2 py-0.5 rounded text-xs">{property.key}</code>
                                    </div>
                                    {property.placeholder && (
                                      <div className="flex gap-2">
                                        <span className="font-medium min-w-24">플레이스홀더:</span>
                                        <span>{property.placeholder}</span>
                                      </div>
                                    )}
                                    {property.defaultValue && (
                                      <div className="flex gap-2">
                                        <span className="font-medium min-w-24">기본값:</span>
                                        <span>{property.defaultValue}</span>
                                      </div>
                                    )}
                                    {property.type === 'dropdown' && property.options && (
                                      <div className="flex gap-2">
                                        <span className="font-medium min-w-24">옵션:</span>
                                        <div className="flex flex-wrap gap-1">
                                          {property.options.map((opt: string, idx: number) => (
                                            <Badge key={idx} variant="secondary" className="text-xs">{opt}</Badge>
                                          ))}
                                        </div>
                                      </div>
                                    )}
                                  </div>
                                </div>
                              </div>
                            </div>
                          );
                        })}
                      </div>
                      
                      <div className="mt-4 p-4 bg-blue-50 border border-blue-200 rounded-lg">
                        <div className="flex items-start gap-2">
                          <Package className="w-5 h-5 text-blue-600 mt-0.5" />
                          <div className="flex-1">
                            <p className="text-sm font-medium text-blue-900">
                              마스터 항목 속성 관리
                            </p>
                            <p className="text-xs text-blue-700 mt-1">
                              이 속성들은 <strong>항목 탭</strong>에서 "{masterField.field_name}" 항목을 편집하여 추가/수정/삭제할 수 있습니다.
                            </p>
                          </div>
                        </div>
                      </div>
                    </div>
                  );
                }
                
                // 사용자 정의 속성 탭 (기존 로직)
                const currentOptions = customAttributeOptions[currentTabKey] || [];
                
                return (
                  <div className="space-y-4">
                    <div className="flex items-center justify-between mb-4">
                      <h3 className="font-medium">
                        {attributeSubTabs.find(t => t.key === activeAttributeTab)?.label || '사용자 정의'} 목록
                      </h3>
                      <div className="flex gap-2">
                        <Button variant="outline" size="sm" onClick={() => { 
                          setManagingColumnType(currentTabKey); 
                          setNewColumnName('');
                          setNewColumnKey('');
                          setNewColumnType('text');
                          setNewColumnRequired(false);
                          setIsColumnManageDialogOpen(true); 
                        }}>
                          <Settings className="w-4 h-4 mr-2" />칼럼 관리
                        </Button>
                        <Button size="sm" onClick={() => { 
                          setEditingOptionType(activeAttributeTab);
                          setNewOptionValue('');
                          setNewOptionLabel('');
                          setNewOptionColumnValues({});
                          setIsOptionDialogOpen(true); 
                        }}>
                          <Plus className="w-4 h-4 mr-2" />추가
                        </Button>
                      </div>
                    </div>
                    
                    {currentOptions.length > 0 ? (
                      <div className="space-y-3">
                        {currentOptions.map((option) => {
                          const columns = attributeColumns[currentTabKey] || [];
                          const hasColumns = columns.length > 0 && option.columnValues;
                          const inputTypeLabel = getInputTypeLabel(option.inputType);

                          return (
                            <div key={option.id} className="p-4 border rounded hover:bg-gray-50 transition-colors">
                              <div className="flex items-start justify-between gap-3">
                                <div className="flex-1 space-y-2">
                                  <div className="flex items-center gap-2">
                                    <span className="font-medium text-base">{option.label}</span>
                                    <Badge variant="outline" className="text-xs">{inputTypeLabel}</Badge>
                                    {option.required && (
                                      <Badge variant="destructive" className="text-xs">필수</Badge>
                                    )}
                                  </div>
                                  
                                  <div className="text-sm text-muted-foreground space-y-1">
                                    <div className="flex gap-2">
                                      <span className="font-medium min-w-16">값(Value):</span>
                                      <span>{option.value}</span>
                                    </div>
                                    {option.placeholder && (
                                      <div className="flex gap-2">
                                        <span className="font-medium min-w-16">플레이스홀더:</span>
                                        <span>{option.placeholder}</span>
                                      </div>
                                    )}
                                    {option.defaultValue && (
                                      <div className="flex gap-2">
                                        <span className="font-medium min-w-16">기본값:</span>
                                        <span>{option.defaultValue}</span>
                                      </div>
                                    )}
                                    {option.inputType === 'dropdown' && option.options && (
                                      <div className="flex gap-2">
                                        <span className="font-medium min-w-16">옵션:</span>
                                        <div className="flex flex-wrap gap-1">
                                          {option.options.map((opt, idx) => (
                                            <Badge key={idx} variant="secondary" className="text-xs">{opt}</Badge>
                                          ))}
                                        </div>
                                      </div>
                                    )}
                                  </div>
                                  
                                  {hasColumns && (
                                    <div className="mt-3 pt-3 border-t">
                                      <p className="text-xs font-medium text-muted-foreground mb-2">추가 칼럼</p>
                                      <div className="grid grid-cols-2 gap-2 text-sm">
                                        {columns.map((column) => (
                                          <div key={column.id} className="flex gap-2">
                                            <span className="text-muted-foreground">{column.name}:</span>
                                            <span>{option.columnValues?.[column.key] || '-'}</span>
                                          </div>
                                        ))}
                                      </div>
                                    </div>
                                  )}
                                </div>
                                <Button variant="ghost" size="sm" onClick={() => handleDeleteOption(currentTabKey, option.id)}>
                                  <Trash2 className="w-4 h-4 text-red-500" />
                                </Button>
                              </div>
                            </div>
                          );
                        })}
                      </div>
                    ) : (
                      <div className="border-2 border-dashed rounded-lg p-8 text-center text-gray-500">
                        <Settings className="w-12 h-12 mx-auto mb-4 text-gray-400" />
                        <p className="mb-2">아직 추가된 항목이 없습니다</p>
                        <p className="text-sm">위 "추가" 버튼을 클릭하여 새로운 속성을 추가할 수 있습니다</p>
                      </div>
                    )}
                  </div>
                );
              })()}
            </CardContent>
          </Card>
        </TabsContent>

        {/* 항목 탭 */}
        <TabsContent value="items" className="space-y-4">
          <MasterFieldTab
            itemMasterFields={itemMasterFields}
            setIsMasterFieldDialogOpen={setIsMasterFieldDialogOpen}
            handleEditMasterField={handleEditMasterField}
            handleDeleteMasterField={handleDeleteMasterField}
            hasUnsavedChanges={false}
            pendingChanges={{ masterFields: [] }}
          />
        </TabsContent>

        {/* 섹션관리 탭 */}
        <TabsContent value="sections" className="space-y-4">
          <SectionsTab
            sectionTemplates={sectionsAsTemplates}
            setIsSectionTemplateDialogOpen={setIsSectionTemplateDialogOpen}
            setCurrentTemplateId={setCurrentTemplateId}
            setIsTemplateFieldDialogOpen={setIsTemplateFieldDialogOpen}
            handleEditSectionTemplate={handleEditSectionTemplate}
            handleDeleteSectionTemplate={handleDeleteSectionTemplate}
            handleEditTemplateField={handleEditTemplateField}
            handleDeleteTemplateField={handleDeleteTemplateField}
            handleAddBOMItemToTemplate={handleAddBOMItemToTemplate}
            handleUpdateBOMItemInTemplate={handleUpdateBOMItemInTemplate}
            handleDeleteBOMItemFromTemplate={handleDeleteBOMItemFromTemplate}
            ITEM_TYPE_OPTIONS={ITEM_TYPE_OPTIONS}
            INPUT_TYPE_OPTIONS={INPUT_TYPE_OPTIONS}
            unitOptions={unitOptions.map(opt => ({ value: opt.value, label: opt.label }))}
            onCloneSection={handleCloneSection}
            setIsImportFieldDialogOpen={setIsImportFieldDialogOpen}
            setImportFieldTargetSectionId={setImportFieldTargetSectionId}
          />
        </TabsContent>

        {/* 계층구조 탭 */}
        <TabsContent value="hierarchy" className="space-y-4">
          <HierarchyTab
            itemPages={itemPages}
            selectedPage={selectedPage}
            ITEM_TYPE_OPTIONS={ITEM_TYPE_OPTIONS}
            unitOptions={unitOptions.map(opt => ({ value: opt.value, label: opt.label }))}
            editingPageId={editingPageId}
            setEditingPageId={setEditingPageId}
            editingPageName={editingPageName}
            setEditingPageName={setEditingPageName}
            selectedPageId={selectedPageId}
            setSelectedPageId={setSelectedPageId}
            editingPathPageId={editingPathPageId}
            setEditingPathPageId={setEditingPathPageId}
            editingAbsolutePath={editingAbsolutePath}
            setEditingAbsolutePath={setEditingAbsolutePath}
            editingSectionId={editingSectionId}
            setEditingSectionId={setEditingSectionId}
            editingSectionTitle={editingSectionTitle}
            setEditingSectionTitle={setEditingSectionTitle}
            hasUnsavedChanges={false}
            pendingChanges={{ pages: [], sections: [], fields: [], masterFields: [], attributes: [], sectionTemplates: [] }}
            selectedSectionForField={selectedSectionForField}
            setSelectedSectionForField={setSelectedSectionForField}
            newSectionType={newSectionType}
            setNewSectionType={setNewSectionTypeWrapper}
            updateItemPage={updateItemPage}
            trackChange={() => {}}
            deleteItemPage={handleDeletePageWithTracking}
            duplicatePage={handleDuplicatePage}
            setIsPageDialogOpen={setIsPageDialogOpen}
            setIsSectionDialogOpen={setIsSectionDialogOpen}
            setIsFieldDialogOpen={setIsFieldDialogOpen}
            handleEditSectionTitle={handleEditSectionTitle}
            handleSaveSectionTitle={handleSaveSectionTitleWrapper}
            moveSection={moveSection}
            unlinkSection={handleUnlinkSection}
            updateSection={updateSection}
            deleteField={handleUnlinkFieldWithTracking}
            handleEditField={handleEditField}
            moveField={moveField}
            setIsImportSectionDialogOpen={setIsImportSectionDialogOpen}
            setIsImportFieldDialogOpen={setIsImportFieldDialogOpen}
            setImportFieldTargetSectionId={setImportFieldTargetSectionId}
            // 2025-11-27 추가: BOM 항목 API 함수
            addBOMItem={addBOMItem}
            updateBOMItem={updateBOMItem}
            deleteBOMItem={deleteBOMItem}
          />
        </TabsContent>

        {/* 사용자 정의 탭들 */}
        {customTabs.filter(tab => !tab.isDefault).map(tab => (
          <TabsContent key={tab.id} value={tab.id}>
            <Card>
              <CardHeader>
                <CardTitle>{tab.label}</CardTitle>
                <CardDescription>사용자 정의 탭입니다. 여기에 필요한 콘텐츠를 추가할 수 있습니다.</CardDescription>
              </CardHeader>
              <CardContent>
                <div className="text-center py-12">
                  <FileText className="w-16 h-16 mx-auto text-gray-300 mb-4" />
                  <p className="text-muted-foreground mb-2">{tab.label} 탭의 콘텐츠가 비어있습니다</p>
                  <p className="text-sm text-muted-foreground">
                    이 탭에 필요한 기능을 추가하여 사용하세요
                  </p>
                </div>
              </CardContent>
            </Card>
          </TabsContent>
        ))}
      </Tabs>

      <TabManagementDialogs
        isManageTabsDialogOpen={isManageTabsDialogOpen}
        setIsManageTabsDialogOpen={setIsManageTabsDialogOpen}
        customTabs={customTabs}
        moveTabUp={moveTabUp}
        moveTabDown={moveTabDown}
        handleEditTabFromManage={handleEditTabFromManage}
        handleDeleteTab={handleDeleteTab}
        getTabIcon={getTabIcon}
        setIsAddTabDialogOpen={setIsAddTabDialogOpen}
        isDeleteTabDialogOpen={isDeleteTabDialogOpen}
        setIsDeleteTabDialogOpen={setIsDeleteTabDialogOpen}
        deletingTabId={deletingTabId}
        setDeletingTabId={setDeletingTabId}
        confirmDeleteTab={confirmDeleteTab}
        isAddTabDialogOpen={isAddTabDialogOpen}
        editingTabId={editingTabId}
        setEditingTabId={setEditingTabId}
        newTabLabel={newTabLabel}
        setNewTabLabel={setNewTabLabel}
        handleUpdateTab={handleUpdateTab}
        handleAddTab={handleAddTab}
        isManageAttributeTabsDialogOpen={isManageAttributeTabsDialogOpen}
        setIsManageAttributeTabsDialogOpen={setIsManageAttributeTabsDialogOpen}
        attributeSubTabs={attributeSubTabs}
        moveAttributeTabUp={moveAttributeTabUp}
        moveAttributeTabDown={moveAttributeTabDown}
        handleDeleteAttributeTab={handleDeleteAttributeTab}
        isDeleteAttributeTabDialogOpen={isDeleteAttributeTabDialogOpen}
        setIsDeleteAttributeTabDialogOpen={setIsDeleteAttributeTabDialogOpen}
        deletingAttributeTabId={deletingAttributeTabId}
        setDeletingAttributeTabId={setDeletingAttributeTabId}
        confirmDeleteAttributeTab={confirmDeleteAttributeTab}
        isAddAttributeTabDialogOpen={isAddAttributeTabDialogOpen}
        setIsAddAttributeTabDialogOpen={setIsAddAttributeTabDialogOpen}
        editingAttributeTabId={editingAttributeTabId}
        setEditingAttributeTabId={setEditingAttributeTabId}
        newAttributeTabLabel={newAttributeTabLabel}
        setNewAttributeTabLabel={setNewAttributeTabLabel}
        handleUpdateAttributeTab={handleUpdateAttributeTab}
        handleAddAttributeTab={handleAddAttributeTab}
      />

      <OptionDialog
        isOpen={isOptionDialogOpen}
        setIsOpen={setIsOptionDialogOpen}
        newOptionValue={newOptionValue}
        setNewOptionValue={setNewOptionValue}
        newOptionLabel={newOptionLabel}
        setNewOptionLabel={setNewOptionLabel}
        newOptionColumnValues={newOptionColumnValues}
        setNewOptionColumnValues={setNewOptionColumnValues}
        newOptionInputType={newOptionInputType}
        setNewOptionInputType={setNewOptionInputType}
        newOptionRequired={newOptionRequired}
        setNewOptionRequired={setNewOptionRequired}
        newOptionOptions={newOptionOptions}
        setNewOptionOptions={setNewOptionOptions}
        newOptionPlaceholder={newOptionPlaceholder}
        setNewOptionPlaceholder={setNewOptionPlaceholder}
        newOptionDefaultValue={newOptionDefaultValue}
        setNewOptionDefaultValue={setNewOptionDefaultValue}
        editingOptionType={editingOptionType}
        attributeSubTabs={attributeSubTabs}
        attributeColumns={attributeColumns}
        handleAddOption={handleAddOption}
      />

      <ColumnManageDialog
        isOpen={isColumnManageDialogOpen}
        setIsOpen={setIsColumnManageDialogOpen}
        managingColumnType={managingColumnType}
        attributeSubTabs={attributeSubTabs}
        attributeColumns={attributeColumns}
        setAttributeColumns={setAttributeColumns}
        newColumnName={newColumnName}
        setNewColumnName={setNewColumnName}
        newColumnKey={newColumnKey}
        setNewColumnKey={setNewColumnKey}
        newColumnType={newColumnType}
        setNewColumnType={setNewColumnType}
        newColumnRequired={newColumnRequired}
        setNewColumnRequired={setNewColumnRequired}
      />


      <PathEditDialog
        editingPathPageId={editingPathPageId}
        setEditingPathPageId={setEditingPathPageId}
        editingAbsolutePath={editingAbsolutePath}
        setEditingAbsolutePath={setEditingAbsolutePath}
        updateItemPage={updateItemPage}
        trackChange={() => {}}
      />

      <PageDialog
        isPageDialogOpen={isPageDialogOpen}
        setIsPageDialogOpen={setIsPageDialogOpen}
        newPageName={newPageName}
        setNewPageName={setNewPageName}
        newPageItemType={newPageItemType}
        setNewPageItemType={setNewPageItemTypeWrapper}
        handleAddPage={handleAddPage}
      />

      <SectionDialog
        isSectionDialogOpen={isSectionDialogOpen}
        setIsSectionDialogOpen={setIsSectionDialogOpen}
        newSectionType={newSectionType}
        setNewSectionType={setNewSectionType}
        newSectionTitle={newSectionTitle}
        setNewSectionTitle={setNewSectionTitle}
        newSectionDescription={newSectionDescription}
        setNewSectionDescription={setNewSectionDescription}
        handleAddSection={handleAddSectionWrapper}
        sectionInputMode={sectionInputMode}
        setSectionInputMode={setSectionInputMode}
        sectionTemplates={sectionsAsTemplates}
        selectedTemplateId={selectedSectionTemplateId}
        setSelectedTemplateId={setSelectedSectionTemplateId}
        handleLinkTemplate={handleLinkTemplateWrapper}
      />

      {/* 항목 추가/수정 다이얼로그 - 데스크톱 */}
      {!isMobile && (
        <FieldDialog
          isOpen={isFieldDialogOpen}
          onOpenChange={setIsFieldDialogOpen}
          editingFieldId={editingFieldId}
          setEditingFieldId={setEditingFieldId}
          fieldInputMode={fieldInputMode}
          setFieldInputMode={setFieldInputMode}
          showMasterFieldList={showMasterFieldList}
          setShowMasterFieldList={setShowMasterFieldList}
          selectedMasterFieldId={selectedMasterFieldId}
          setSelectedMasterFieldId={setSelectedMasterFieldId}
          textboxColumns={textboxColumns}
          setTextboxColumns={setTextboxColumns}
          newFieldConditionEnabled={newFieldConditionEnabled}
          setNewFieldConditionEnabled={setNewFieldConditionEnabled}
          newFieldConditionTargetType={newFieldConditionTargetType}
          setNewFieldConditionTargetType={setNewFieldConditionTargetType}
          newFieldConditionFields={newFieldConditionFields}
          setNewFieldConditionFields={setNewFieldConditionFields}
          newFieldConditionSections={newFieldConditionSections}
          setNewFieldConditionSections={setNewFieldConditionSections}
          tempConditionValue={tempConditionValue}
          setTempConditionValue={setTempConditionValue}
          newFieldName={newFieldName}
          setNewFieldName={setNewFieldName}
          newFieldKey={newFieldKey}
          setNewFieldKey={setNewFieldKey}
          newFieldInputType={newFieldInputType}
          setNewFieldInputType={setNewFieldInputType}
          newFieldRequired={newFieldRequired}
          setNewFieldRequired={setNewFieldRequired}
          newFieldDescription={newFieldDescription}
          setNewFieldDescription={setNewFieldDescription}
          newFieldOptions={newFieldOptions}
          setNewFieldOptions={setNewFieldOptions}
          selectedSectionForField={selectedPage?.sections.find(s => s.id === selectedSectionForField) || null}
          selectedPage={selectedPage || null}
          itemMasterFields={itemMasterFields}
          handleAddField={handleAddFieldWrapper}
          setIsColumnDialogOpen={setIsColumnDialogOpen}
          setEditingColumnId={setEditingColumnId}
          setColumnName={setColumnName}
          setColumnKey={setColumnKey}
        />
      )}
      
      {/* 항목 추가/수정 다이얼로그 - 모바일 (바텀시트) */}
      {isMobile && (
        <FieldDrawer
          isOpen={isFieldDialogOpen}
          onOpenChange={setIsFieldDialogOpen}
          editingFieldId={editingFieldId}
          setEditingFieldId={setEditingFieldId}
          fieldInputMode={fieldInputMode}
          setFieldInputMode={setFieldInputMode}
          showMasterFieldList={showMasterFieldList}
          setShowMasterFieldList={setShowMasterFieldList}
          selectedMasterFieldId={selectedMasterFieldId}
          setSelectedMasterFieldId={setSelectedMasterFieldId}
          textboxColumns={textboxColumns}
          setTextboxColumns={setTextboxColumns}
          newFieldConditionEnabled={newFieldConditionEnabled}
          setNewFieldConditionEnabled={setNewFieldConditionEnabled}
          newFieldConditionTargetType={newFieldConditionTargetType}
          setNewFieldConditionTargetType={setNewFieldConditionTargetType}
          newFieldConditionFields={newFieldConditionFields}
          setNewFieldConditionFields={setNewFieldConditionFields}
          newFieldConditionSections={newFieldConditionSections}
          setNewFieldConditionSections={setNewFieldConditionSections}
          tempConditionValue={tempConditionValue}
          setTempConditionValue={setTempConditionValue}
          newFieldName={newFieldName}
          setNewFieldName={setNewFieldName}
          newFieldKey={newFieldKey}
          setNewFieldKey={setNewFieldKey}
          newFieldInputType={newFieldInputType}
          setNewFieldInputType={setNewFieldInputType}
          newFieldRequired={newFieldRequired}
          setNewFieldRequired={setNewFieldRequired}
          newFieldDescription={newFieldDescription}
          setNewFieldDescription={setNewFieldDescription}
          newFieldOptions={newFieldOptions}
          setNewFieldOptions={setNewFieldOptions}
          selectedSectionForField={selectedPage?.sections.find(s => s.id === selectedSectionForField) || null}
          selectedPage={selectedPage || null}
          itemMasterFields={itemMasterFields}
          handleAddField={handleAddFieldWrapper}
          setIsColumnDialogOpen={setIsColumnDialogOpen}
          setEditingColumnId={setEditingColumnId}
          setColumnName={setColumnName}
          setColumnKey={setColumnKey}
        />
      )}

      {/* 텍스트박스 컬럼 추가/수정 다이얼로그 */}
      <ColumnDialog
        isColumnDialogOpen={isColumnDialogOpen}
        setIsColumnDialogOpen={setIsColumnDialogOpen}
        editingColumnId={editingColumnId}
        setEditingColumnId={setEditingColumnId}
        columnName={columnName}
        setColumnName={setColumnName}
        columnKey={columnKey}
        setColumnKey={setColumnKey}
        textboxColumns={textboxColumns}
        setTextboxColumns={setTextboxColumns}
      />


      <MasterFieldDialog
        isMasterFieldDialogOpen={isMasterFieldDialogOpen}
        setIsMasterFieldDialogOpen={setIsMasterFieldDialogOpen}
        editingMasterFieldId={editingMasterFieldId}
        setEditingMasterFieldId={setEditingMasterFieldId}
        newMasterFieldName={newMasterFieldName}
        setNewMasterFieldName={setNewMasterFieldName}
        newMasterFieldKey={newMasterFieldKey}
        setNewMasterFieldKey={setNewMasterFieldKey}
        newMasterFieldInputType={newMasterFieldInputType}
        setNewMasterFieldInputType={setNewMasterFieldInputType}
        newMasterFieldRequired={newMasterFieldRequired}
        setNewMasterFieldRequired={setNewMasterFieldRequired}
        newMasterFieldCategory={newMasterFieldCategory}
        setNewMasterFieldCategory={setNewMasterFieldCategory}
        newMasterFieldDescription={newMasterFieldDescription}
        setNewMasterFieldDescription={setNewMasterFieldDescription}
        newMasterFieldOptions={newMasterFieldOptions}
        setNewMasterFieldOptions={setNewMasterFieldOptions}
        newMasterFieldAttributeType={newMasterFieldAttributeType}
        setNewMasterFieldAttributeType={setNewMasterFieldAttributeType}
        newMasterFieldMultiColumn={newMasterFieldMultiColumn}
        setNewMasterFieldMultiColumn={setNewMasterFieldMultiColumn}
        newMasterFieldColumnCount={newMasterFieldColumnCount}
        setNewMasterFieldColumnCount={setNewMasterFieldColumnCount}
        newMasterFieldColumnNames={newMasterFieldColumnNames}
        setNewMasterFieldColumnNames={setNewMasterFieldColumnNames}
        handleUpdateMasterField={handleUpdateMasterField}
        handleAddMasterField={handleAddMasterField}
      />


      <SectionTemplateDialog
        isSectionTemplateDialogOpen={isSectionTemplateDialogOpen}
        setIsSectionTemplateDialogOpen={setIsSectionTemplateDialogOpen}
        editingSectionTemplateId={editingSectionTemplateId}
        setEditingSectionTemplateId={setEditingSectionTemplateId}
        newSectionTemplateTitle={newSectionTemplateTitle}
        setNewSectionTemplateTitle={setNewSectionTemplateTitle}
        newSectionTemplateDescription={newSectionTemplateDescription}
        setNewSectionTemplateDescription={setNewSectionTemplateDescription}
        newSectionTemplateCategory={newSectionTemplateCategory}
        setNewSectionTemplateCategory={setNewSectionTemplateCategory}
        newSectionTemplateType={newSectionTemplateType}
        setNewSectionTemplateType={setNewSectionTemplateType}
        handleUpdateSectionTemplate={handleUpdateSectionTemplate}
        handleAddSectionTemplate={handleAddSectionTemplate}
      />


      <TemplateFieldDialog
        isTemplateFieldDialogOpen={isTemplateFieldDialogOpen}
        setIsTemplateFieldDialogOpen={setIsTemplateFieldDialogOpen}
        editingTemplateFieldId={editingTemplateFieldId}
        setEditingTemplateFieldId={setEditingTemplateFieldId}
        templateFieldName={templateFieldName}
        setTemplateFieldName={setTemplateFieldName}
        templateFieldKey={templateFieldKey}
        setTemplateFieldKey={setTemplateFieldKey}
        templateFieldInputType={templateFieldInputType}
        setTemplateFieldInputType={setTemplateFieldInputType}
        templateFieldRequired={templateFieldRequired}
        setTemplateFieldRequired={setTemplateFieldRequired}
        templateFieldOptions={templateFieldOptions}
        setTemplateFieldOptions={setTemplateFieldOptions}
        templateFieldDescription={templateFieldDescription}
        setTemplateFieldDescription={setTemplateFieldDescription}
        templateFieldMultiColumn={templateFieldMultiColumn}
        setTemplateFieldMultiColumn={setTemplateFieldMultiColumn}
        templateFieldColumnCount={templateFieldColumnCount}
        setTemplateFieldColumnCount={setTemplateFieldColumnCount}
        templateFieldColumnNames={templateFieldColumnNames}
        setTemplateFieldColumnNames={setTemplateFieldColumnNames}
        handleAddTemplateField={handleAddTemplateField}
        // 마스터 항목 관련 props
        itemMasterFields={itemMasterFields}
        templateFieldInputMode={templateFieldInputMode}
        setTemplateFieldInputMode={setTemplateFieldInputMode}
        showMasterFieldList={templateFieldShowMasterFieldList}
        setShowMasterFieldList={setTemplateFieldShowMasterFieldList}
        selectedMasterFieldId={templateFieldSelectedMasterFieldId}
        setSelectedMasterFieldId={setTemplateFieldSelectedMasterFieldId}
      />

      <LoadTemplateDialog
        isLoadTemplateDialogOpen={isLoadTemplateDialogOpen}
        setIsLoadTemplateDialogOpen={setIsLoadTemplateDialogOpen}
        sectionTemplates={sectionTemplates}
        selectedTemplateId={selectedTemplateId}
        setSelectedTemplateId={setSelectedTemplateId}
        handleLoadTemplate={handleLoadTemplateWrapper}
      />

      {/* 섹션 불러오기 다이얼로그 */}
      <ImportSectionDialog
        isOpen={isImportSectionDialogOpen}
        setIsOpen={setIsImportSectionDialogOpen}
        independentSections={independentSections}
        selectedSectionId={selectedImportSectionId}
        setSelectedSectionId={setSelectedImportSectionId}
        onImport={handleImportSection}
        onRefresh={refreshIndependentSections}
        onGetUsage={getSectionUsage}
      />

      {/* 필드 불러오기 다이얼로그 - 2025-11-27: 탭 통합 (항목+독립필드 → 필드) */}
      <ImportFieldDialog
        isOpen={isImportFieldDialogOpen}
        setIsOpen={setIsImportFieldDialogOpen}
        fields={itemMasterFields}
        selectedFieldId={selectedImportFieldId}
        setSelectedFieldId={setSelectedImportFieldId}
        onImport={handleImportField}
        onRefresh={refreshIndependentFields}
        onGetUsage={getFieldUsage}
        targetSectionTitle={
          importFieldTargetSectionId
            ? selectedPage?.sections.find(s => s.id === importFieldTargetSectionId)?.title
            : undefined
        }
      />
    </PageLayout>
  );
}