import {
  forwardRef,
  useImperativeHandle,
  useRef,
  useEffect,
  useLayoutEffect,
  useState,
  useCallback,
  useMemo,
  createElement
} from 'react'
import {
  Table,
  Skeleton,
  Row,
  Col,
  Flex,
  Button,
  Space,
  Form,
  Splitter,
  Card
} from 'antd'
import { LoadingOutlined } from '@ant-design/icons'
import PropTypes from 'prop-types'
import { useMediaQuery } from 'react-responsive'
import { useContext } from 'react'
import { ApiServerContext } from '../context/ApiServerContext'
import config from '../../../config'
import loglevel from 'loglevel'
import {
  getModelProperties,
  getModelByName
} from '../../../database/ObjectModels'
import ObjectProperty from './ObjectProperty'
import ObjectCard from './ObjectCard'
import ObjectKanban from './ObjectKanban'
import FilterSidebar from './FilterSidebar'
import SortSidebar from './SortSidebar'
import CheckIcon from '../../Icons/CheckIcon'
import { useLocation } from 'react-router-dom'
import QuestionCircleIcon from '../../Icons/QuestionCircleIcon'
import { AuthContext } from '../context/AuthContext'
import { ElectronContext } from '../context/ElectronContext'
import { useActions } from '../context/ActionsContext'
import ActionsIcon from '../../Icons/ActionsIcon'
import FilterIcon from '../../Icons/FilterIcon'
import ScrollBox from './ScrollBox'
import Spin from './Spin'
import SimplePropertyFilter from './SimplePropertyFilter'
import QuickPropertyFilters from './QuickPropertyFilters'
import FilterInput from './FilterInput'
import {
  getActiveFilterValues,
  useTableState,
  useTableStatePersistence
} from '../context/TableStateContext'
import { hasActionPermission } from '../../../database/permissions'
import Tooltip from './Tooltip'
import { ObjectTableFilterContext } from './ObjectTableFilterContext'
import ObjectListViewContext from '../context/ObjectListViewContext'
import { isCardsView, isKanbanView, normalizeViewMode } from './viewModeUtils'
import { areValuesEqual } from '../utils/Utils'
import LoadingPlaceholder from './LoadingPlaceholder'

const logger = loglevel.getLogger('DasboardTable')
logger.setLevel(config.logLevel)

const SCROLL_THRESHOLD = 50
const SKELETON_HEIGHT = 49.5
const EMPTY_MASTER_FILTER = {}

const getCardColSpan = (containerWidth) => {
  if (containerWidth >= 2980) return 2
  if (containerWidth >= 1780) return 4
  if (containerWidth >= 1080) return 8
  if (containerWidth >= 680) return 12
  return 24
}

const toFilterExpression = (values) => {
  if (!values?.length) return undefined
  const parts = values.map((value) => {
    if (value && typeof value === 'object') {
      return String(value._id ?? value.type ?? JSON.stringify(value))
    }
    return String(value)
  })
  return parts.length === 1 ? parts[0] : parts.join('|')
}

const fromFilterExpression = (expr) => {
  if (expr === undefined || expr === null || expr === '') return null
  if (typeof expr === 'string' && expr.includes('|')) {
    return expr.split('|').filter((part) => part !== '')
  }
  return [expr]
}

const idsEqual = (a, b) => {
  if (a == null || b == null) return false
  return String(a).toLowerCase() === String(b).toLowerCase()
}

const getUpdateKeys = (updated) => {
  if (!updated || typeof updated !== 'object') return []
  return Object.keys(updated).filter(
    (key) => key !== '_id' && key !== 'objectType'
  )
}

const updateAffectsFilterOrSort = (
  existingItem,
  updatedData,
  filter,
  masterFilter,
  sorter
) => {
  const updateKeys = getUpdateKeys(updatedData)
  if (!updateKeys.length) return false

  const filterKeys = new Set([
    ...Object.keys(filter || {}),
    ...Object.keys(masterFilter || {})
  ])

  const isAffectingKey = (key) =>
    filterKeys.has(key) || (sorter?.field && key === sorter.field)

  // Item not in the current fetch: any filter/sort key in the update
  // may change whether it belongs in this view.
  if (!existingItem) {
    return updateKeys.some(isAffectingKey)
  }

  // Item already fetched: reload when a filter or sort key's value changed.
  return updateKeys.some(
    (key) =>
      isAffectingKey(key) &&
      !areValuesEqual(existingItem[key], updatedData[key])
  )
}

const ColumnFilterDropdown = ({
  setSelectedKeys,
  selectedKeys,
  confirm,
  clearFilters,
  visible,
  propertyName,
  propertyLabel,
  modelType,
  filter = {},
  masterFilter = {}
}) => {
  const [expression, setExpression] = useState('')
  const [draft, setDraft] = useState(selectedKeys || [])
  const selectedKeysRef = useRef(selectedKeys)
  selectedKeysRef.current = selectedKeys

  // Re-sync from the applied sidebar/column filter each time the dropdown opens
  useEffect(() => {
    if (!visible) return
    const keys = selectedKeysRef.current || []
    setDraft(keys)
    setExpression(toFilterExpression(keys) ?? '')
  }, [visible])

  const handleDraftChange = (next) => {
    setDraft(next)
    setExpression(toFilterExpression(next) ?? '')
  }

  const handleExpressionChange = (text) => {
    setExpression(text)
    setDraft(fromFilterExpression(text) || [])
  }

  const applyFilter = () => {
    const trimmed = expression.trim()
    if (!trimmed) {
      clearFilters()
    } else if (draft?.length) {
      setSelectedKeys(draft)
    } else {
      setSelectedKeys([trimmed])
    }
    confirm()
  }

  return (
    <div style={{ padding: 8 }}>
      <Flex vertical gap='small'>
        <Space.Compact>
          <FilterInput
            placeholder={'Filter ' + propertyLabel}
            value={expression}
            onChange={handleExpressionChange}
            onPressEnter={applyFilter}
            style={{ width: 260 }}
          />
          <Button type='primary' onClick={applyFilter} icon={<CheckIcon />} />
        </Space.Compact>
        <QuickPropertyFilters
          modelType={modelType}
          propertyName={propertyName}
          value={draft}
          onChange={handleDraftChange}
        />
        <Card size='small' styles={{ body: { padding: 0, height: 200 } }}>
          <ScrollBox inner={true} smallPadding={true}>
            <div style={{ padding: '18px 20px', minWidth: 0 }}>
              <SimplePropertyFilter
                modelType={modelType}
                propertyName={propertyName}
                value={draft}
                onChange={handleDraftChange}
                filter={filter}
                masterFilter={masterFilter}
                visible={visible}
              />
            </div>
          </ScrollBox>
        </Card>
      </Flex>
    </div>
  )
}

ColumnFilterDropdown.propTypes = {
  setSelectedKeys: PropTypes.func,
  selectedKeys: PropTypes.array,
  confirm: PropTypes.func,
  clearFilters: PropTypes.func,
  visible: PropTypes.bool,
  propertyName: PropTypes.string,
  propertyLabel: PropTypes.string,
  modelType: PropTypes.string,
  filter: PropTypes.object,
  masterFilter: PropTypes.object
}

const RowForm = ({ record, isEditing, onRegister, children }) => {
  const [form] = Form.useForm()
  useEffect(() => {
    if (isEditing && record && !record.isSkeleton) {
      form.setFieldsValue(record)
      onRegister(record._id, form)
    }
    return () => {
      if (record?._id) onRegister(record._id, null)
    }
  }, [isEditing, record, form, onRegister])

  return (
    <Form form={form} component={false}>
      {children}
    </Form>
  )
}

RowForm.propTypes = {
  record: PropTypes.object,
  isEditing: PropTypes.bool,
  onRegister: PropTypes.func,
  children: PropTypes.node
}

const EditableRow = ({ record, isEditing, onRegister, ...props }) => {
  return (
    <RowForm record={record} isEditing={isEditing} onRegister={onRegister}>
      <tr {...props} />
    </RowForm>
  )
}

EditableRow.propTypes = {
  record: PropTypes.object,
  isEditing: PropTypes.bool,
  onRegister: PropTypes.func
}

const ObjectTable = forwardRef(
  (
    {
      type,
      pageSize = 25,
      scrollHeight = 'calc(var(--unit-100vh) - 258px)',
      onDataChange,
      initialPage = 1,
      viewMode: viewModeProp,
      cards = false,
      visibleColumns = {},
      masterFilter,
      size = 'middle',
      onStateChange,
      showFilterSidebar = false,
      showSortSidebar = false,
      expandHeight = false,
      showActions = true,
      saveFilterInSession = false,
      saveFilterInUrl = false,
      useFilterInSession = false,
      useFilterInUrl = false,
      saveSortInSession = false,
      saveSortInUrl = false,
      useSortInSession = false,
      useSortInUrl = false,
      onRowAction
    },
    ref
  ) => {
    const objectListView = useContext(ObjectListViewContext)
    const viewMode = normalizeViewMode(
      viewModeProp ??
        objectListView?.viewMode ??
        (cards ? { type: 'cards' } : { type: 'list' })
    )
    const isCards = isCardsView(viewMode)
    const isKanban = isKanbanView(viewMode)
    const kanbanRef = useRef(null)
    const prevViewModeKeyRef = useRef(null)
    const { token, userProfile } = useContext(AuthContext)
    const { isElectron } = useContext(ElectronContext)
    const { callAction } = useActions()
    const resolvedMasterFilter = masterFilter ?? EMPTY_MASTER_FILTER
    const listViewId = objectListView?.listViewId ?? null
    const listViewFilter = objectListView?.listViewFilter ?? null
    const listViewSort = objectListView?.listViewSort ?? null
    const activeObjectView = objectListView?.activeObjectView ?? null
    const onObjectViewFilterSortChange = objectListView?.isEditing
      ? objectListView.handleFilterSortChange
      : null
    const onStateChangeRef = useRef(onStateChange)
    useEffect(() => {
      onStateChangeRef.current = onStateChange
    }, [onStateChange])
    const {
      fetchObjects,
      connected,
      subscribeToAllObjectUpdates,
      subscribeToObjectTypeUpdates,
      updateMultipleObjects,
      setObjectActivity,
      clearObjectActivity
    } = useContext(ApiServerContext)
    const isMobile = useMediaQuery({ maxWidth: 768 })
    const location = useLocation()
    const {
      getPersistedFilter,
      getPersistedSorter,
      getAllTabPersistedFilter,
      getAllTabPersistedSorter,
      persistFilter,
      persistSort,
      persistTableState,
      persistAllTabTableState,
      registerPageFilter,
      registerPageSorter,
      registerObjectListFilter,
      registerObjectListSorter
    } = useTableStatePersistence({
      scope: type,
      viewId: listViewId,
      pagePath: location.pathname,
      saveFilterInSession,
      saveFilterInUrl,
      useFilterInSession,
      useFilterInUrl,
      saveSortInSession,
      saveSortInUrl,
      useSortInSession,
      useSortInUrl
    })
    const { getViewFromUrl } = useTableState()
    var adjustedScrollHeight = scrollHeight
    if (isMobile) {
      adjustedScrollHeight = 'calc(var(--unit-100vh) - 298px)'
    }
    if (isCards || isKanban) {
      adjustedScrollHeight = 'calc(var(--unit-100vh) - 210px)'
    }
    if (isElectron) {
      adjustedScrollHeight = 'calc(var(--unit-100vh) - 238px)'
    }
    if (isMobile && isElectron) {
      adjustedScrollHeight = 'calc(var(--unit-100vh) - 282px)'
    }
    if ((isCards || isKanban) && isElectron) {
      adjustedScrollHeight = 'calc(var(--unit-100vh) - 258px)'
    }
    const tableRef = useRef(null)
    const model = getModelByName(type)
    const activeFilterRef = useRef({})
    const tableSorterRef = useRef({})
    const listViewIdRef = useRef(listViewId)
    const listViewFilterRef = useRef(listViewFilter)
    const sidebarViewIdRef = useRef(listViewId)
    const activeObjectViewRef = useRef(activeObjectView)
    activeObjectViewRef.current = activeObjectView
    const onObjectViewFilterSortChangeRef = useRef(onObjectViewFilterSortChange)
    onObjectViewFilterSortChangeRef.current = onObjectViewFilterSortChange
    const [sidebarFilter, setSidebarFilter] = useState({})
    const [tableSorter, setTableSorter] = useState({})
    const [initialized, setInitialized] = useState(false)

    // Keep refs in sync with props. applyViewState may update them earlier in
    // the same tick; props remain the source of truth after commit.
    useEffect(() => {
      listViewIdRef.current = listViewId
      listViewFilterRef.current = listViewFilter || {}
    }, [listViewId, listViewFilter])

    const assignSidebarToView = useCallback((viewId) => {
      sidebarViewIdRef.current = viewId ?? null
    }, [])

    const lastAppliedViewKeyRef = useRef(null)

    const buildEffectiveFilter = useCallback(
      (userFilter, viewFilter = listViewFilterRef.current) => {
        const active = getActiveFilterValues(userFilter)
        const viewId = listViewIdRef.current
        // While editing a view, the sidebar IS the view filter. Merging the
        // previous definition would put removed keys back.
        if (!viewId || activeObjectViewRef.current) return active
        return {
          ...getActiveFilterValues(viewFilter || {}),
          ...active
        }
      },
      []
    )

    // Table state
    const [pages, setPages] = useState([])
    const pagesRef = useRef(pages)
    const tableData = useMemo(() => {
      const items = pages.flatMap((page) => page.items)
      const seen = new Set()
      return items.filter((item) => {
        const id = item?._id
        if (id == null) return true
        if (seen.has(id)) {
          logger.warn('Duplicate table row omitted:', id)
          return false
        }
        seen.add(id)
        return true
      })
    }, [pages])
    const [loading, setLoading] = useState(true)
    const [lazyLoading, setLazyLoading] = useState(false)

    const [isEditing, setIsEditing] = useState(false)
    const [editLoading, setEditLoading] = useState(false)
    const rowFormsRef = useRef({})
    const registerForm = useCallback((id, form) => {
      if (form) {
        rowFormsRef.current[id] = form
      } else {
        delete rowFormsRef.current[id]
      }
    }, [])

    useEffect(() => {
      onStateChangeRef.current?.({ isEditing, editLoading })
    }, [isEditing, editLoading])

    const updateEventHandlerRef = useRef()
    const subscribeToObjectTypeUpdatesRef = useRef(null)
    const subscribedTypeRef = useRef(null)
    const subscribeToAllObjectUpdatesRef = useRef(null)
    const newEventHandlerRef = useRef()
    const subscriptionFilterRef = useRef()
    const effectiveSorterRef = useRef({})
    const reloadRef = useRef(null)
    const silentReloadRef = useRef(null)
    const subscribeToObjectTypeUpdatesFnRef = useRef(
      subscribeToObjectTypeUpdates
    )
    const prevValuesRef = useRef({ type, masterFilter: resolvedMasterFilter })

    const getMasterFilter = useCallback(
      () => resolvedMasterFilter || EMPTY_MASTER_FILTER,
      [resolvedMasterFilter]
    )

    const resolveSorter = useCallback((userSorter) => {
      if (userSorter?.field && userSorter?.order) {
        return { field: userSorter.field, order: userSorter.order }
      }
      return {}
    }, [])

    const rowActions =
      model.actions?.filter((action) => action.row == true) || []

    const createSkeletonData = useCallback(
      (pageNum) => {
        return Array(pageSize)
          .fill(null)
          .map((_, index) => ({
            _id: `skeleton-${pageNum}-${index}`,
            isSkeleton: true
          }))
      },
      [pageSize]
    )

    const createSkeletonPage = useCallback(
      (pageNum) => ({
        pageNum,
        items: createSkeletonData(pageNum),
        isSkeletonPage: true
      }),
      [createSkeletonData]
    )

    const loadingPagesRef = useRef(new Set())
    const pendingScrollAnchorRef = useRef(null)
    const dataLoadGenerationRef = useRef(0)
    const [tableListKey, setTableListKey] = useState(0)
    // Suppress Ant Design Table onChange while we remount / set filter+sort
    // programmatically. Remounting with controlled filteredValue often fires
    // onChange with all-null filters (sorter intact) and would wipe the view.
    const isInternalTableChangeRef = useRef(false)
    const internalTableChangeClearRafRef = useRef(null)

    const suppressTableChange = useCallback(() => {
      isInternalTableChangeRef.current = true
      if (internalTableChangeClearRafRef.current != null) {
        cancelAnimationFrame(internalTableChangeClearRafRef.current)
      }
      // Double rAF: wait until after the remounted Table commits and any
      // synchronous/mount onChange from Ant Design has run.
      internalTableChangeClearRafRef.current = requestAnimationFrame(() => {
        internalTableChangeClearRafRef.current = requestAnimationFrame(() => {
          internalTableChangeClearRafRef.current = null
          isInternalTableChangeRef.current = false
        })
      })
    }, [])

    const beginDataReload = useCallback(() => {
      dataLoadGenerationRef.current += 1
      loadingPagesRef.current.clear()
      pendingScrollAnchorRef.current = null
      pagesRef.current = []
      suppressTableChange()
      setTableListKey((key) => key + 1)
      return dataLoadGenerationRef.current
    }, [suppressTableChange])

    const isStaleDataLoad = useCallback((generation) => {
      return generation !== dataLoadGenerationRef.current
    }, [])

    const clearTablePages = useCallback(() => {
      pagesRef.current = []
      setPages([])
    }, [])

    const setTablePages = useCallback((nextPages) => {
      pagesRef.current = nextPages
      setPages(nextPages)
    }, [])

    const mergeLoadedPage = useCallback((currentPages, loadedPage) => {
      const withoutSkeletons = currentPages.filter(
        (page) => !page.isSkeletonPage
      )
      const withoutDuplicate = withoutSkeletons.filter(
        (page) => page.pageNum !== loadedPage.pageNum
      )
      return [...withoutDuplicate, loadedPage].sort(
        (a, b) => a.pageNum - b.pageNum
      )
    }, [])

    const renderActions = (objectData, actionsDisabled = false) => {
      return (
        <Flex gap='small' align='center' justify='center'>
          {rowActions.map((action, index) => {
            const denied = !hasActionPermission(userProfile, model, action.name)
            var disabled = denied
            if (action.disabled) {
              if (typeof action.disabled === 'function') {
                disabled =
                  denied ||
                  action.disabled({
                    ...objectData,
                    _user: userProfile
                  }) ||
                  actionsDisabled
              } else {
                disabled = denied || action.disabled || actionsDisabled
              }
            }
            return (
              <Tooltip key={index} title={action.label}>
                <Button
                  icon={
                    action.icon ? (
                      createElement(action.icon)
                    ) : (
                      <QuestionCircleIcon />
                    )
                  }
                  disabled={disabled || objectData?.isSkeleton}
                  type={'text'}
                  size={'small'}
                  danger={action?.danger || false}
                  onClick={() => {
                    if (denied) return
                    if (
                      onRowAction &&
                      onRowAction(action, objectData) !== false
                    ) {
                      return
                    }
                    callAction(
                      action,
                      { ...objectData, _user: userProfile },
                      type
                    )
                  }}
                />
              </Tooltip>
            )
          })}
        </Flex>
      )
    }

    const fetchPage = useCallback(
      async (pageNum = 1, filter = null, sorter = null) => {
        if (filter == null) {
          filter = activeFilterRef.current
        } else {
          activeFilterRef.current = filter
        }
        if (sorter == null) {
          sorter = tableSorterRef.current
        } else {
          tableSorterRef.current = {
            field: sorter.field,
            order: sorter.order
          }
        }
        return fetchObjects(type, {
          page: pageNum,
          limit: pageSize,
          filter: { ...getMasterFilter(), ...filter },
          sorter: resolveSorter(sorter),
          onDataChange
        })
      },
      [
        type,
        getMasterFilter,
        pageSize,
        onDataChange,
        fetchObjects,
        resolveSorter
      ]
    )

    const skeletonsHeight = useMemo(() => {
      return SKELETON_HEIGHT * pageSize
    }, [pageSize])

    const skeletonBoundaryIds = useMemo(() => {
      const firstPage = pages[0]
      const lastPage = pages[pages.length - 1]
      return {
        previous:
          firstPage?.isSkeletonPage && firstPage.items.length > 0
            ? firstPage.items[firstPage.items.length - 1]._id
            : null,
        next:
          lastPage?.isSkeletonPage && lastPage.items[0]
            ? lastPage.items[0]._id
            : null
      }
    }, [pages])

    const createPageWindow = useCallback(
      (loadedPages, direction) => {
        const dedupedByPageNum = new Map()
        loadedPages.forEach((page) => {
          dedupedByPageNum.set(page.pageNum, page)
        })
        const sortedPages = [...dedupedByPageNum.values()].sort(
          (a, b) => a.pageNum - b.pageNum
        )
        const visiblePages =
          direction === 'previous'
            ? sortedPages.slice(0, 2)
            : sortedPages.slice(-2)
        const firstPage = visiblePages[0]
        const lastPage = visiblePages[visiblePages.length - 1]
        const nextPages = []

        if (firstPage?.pageNum > 1) {
          nextPages.push(createSkeletonPage(firstPage.pageNum - 1))
        }
        nextPages.push(...visiblePages)
        if (lastPage?.hasMore) {
          nextPages.push(createSkeletonPage(lastPage.pageNum + 1))
        }

        return nextPages
      },
      [createSkeletonPage]
    )

    const fetchData = useCallback(
      async (pageNum = 1, filter = null, sorter = null) => {
        const generation = dataLoadGenerationRef.current
        try {
          const result = await fetchPage(pageNum, filter, sorter)
          if (isStaleDataLoad(generation)) return []
          const loadedPage = {
            pageNum,
            items: result.data || [],
            hasMore: result.hasMore
          }
          setPages((prev) =>
            prev.map((page) => (page.pageNum === pageNum ? loadedPage : page))
          )
          setLoading(false)
          return result.data || []
        } catch (error) {
          if (!isStaleDataLoad(generation)) {
            setLoading(false)
          }
          throw error
        }
      },
      [fetchPage, isStaleDataLoad]
    )

    const findRenderedRow = useCallback((scrollTarget, id) => {
      if (!scrollTarget || id == null) return null
      return Array.from(scrollTarget.querySelectorAll('tr[data-row-key]')).find(
        (row) => row.getAttribute('data-row-key') === String(id)
      )
    }, [])

    const captureScrollAnchor = useCallback(
      (scrollTarget, placeholderPage, direction, currentPages) => {
        if (!scrollTarget) return null

        const targetTop = scrollTarget.getBoundingClientRect().top
        const closestRow = (items) => {
          return items
            .map((item, index) => {
              const element = findRenderedRow(scrollTarget, item._id)
              return element
                ? {
                    index,
                    id: item._id,
                    top: element.getBoundingClientRect().top
                  }
                : null
            })
            .filter(Boolean)
            .sort(
              (a, b) =>
                Math.abs(a.top - targetTop) - Math.abs(b.top - targetTop)
            )[0]
        }

        const placeholderAnchor = closestRow(placeholderPage.items)
        const loadedPages = currentPages.filter((page) => !page.isSkeletonPage)
        const retainedPage =
          direction === 'previous'
            ? loadedPages[0]
            : loadedPages[loadedPages.length - 1]
        const fallbackAnchor = retainedPage
          ? closestRow(retainedPage.items)
          : null

        return { placeholderAnchor, fallbackAnchor }
      },
      [findRenderedRow]
    )

    const restoreScrollAnchor = useCallback(
      (scrollTarget, anchor, loadedPage) => {
        if (!scrollTarget || !anchor) return

        const loadedItem = loadedPage.items[anchor.placeholderAnchor?.index]
        const anchorId = loadedItem?._id ?? anchor.fallbackAnchor?.id
        const previousTop = loadedItem
          ? anchor.placeholderAnchor?.top
          : anchor.fallbackAnchor?.top
        if (anchorId == null || previousTop == null) return

        const element = findRenderedRow(scrollTarget, anchorId)
        if (!element) return
        const renderedTop = element.getBoundingClientRect().top
        scrollTarget.scrollTop += renderedTop - previousTop
      },
      [findRenderedRow]
    )

    useLayoutEffect(() => {
      const pendingAnchor = pendingScrollAnchorRef.current
      if (!pendingAnchor) return
      pendingScrollAnchorRef.current = null
      restoreScrollAnchor(
        pendingAnchor.scrollTarget,
        pendingAnchor.anchor,
        pendingAnchor.loadedPage
      )
    }, [pages, restoreScrollAnchor])

    const loadBoundaryPage = useCallback(
      async (pageNum, direction, scrollTarget) => {
        if (loadingPagesRef.current.size > 0) return

        const currentPages = pagesRef.current
        const placeholderPage = currentPages.find(
          (page) => page.pageNum === pageNum && page.isSkeletonPage
        )
        if (!placeholderPage) return
        const scrollAnchor = captureScrollAnchor(
          scrollTarget,
          placeholderPage,
          direction,
          currentPages
        )

        const generation = dataLoadGenerationRef.current
        loadingPagesRef.current.add(pageNum)
        setLazyLoading(true)
        logger.debug(`Loading ${direction} page...`)

        try {
          const result = await fetchPage(pageNum)
          if (isStaleDataLoad(generation)) return
          const loadedPage = {
            pageNum,
            items: result.data || [],
            hasMore: result.hasMore
          }

          pendingScrollAnchorRef.current = {
            scrollTarget,
            anchor: scrollAnchor,
            loadedPage
          }
          setPages((prev) => {
            if (
              !prev.some(
                (page) => page.pageNum === pageNum && page.isSkeletonPage
              )
            ) {
              return prev
            }

            const loadedPages = mergeLoadedPage(prev, loadedPage)
            return createPageWindow(loadedPages, direction)
          })
        } catch (error) {
          logger.error(`Error loading page ${pageNum}:`, error)
        } finally {
          loadingPagesRef.current.delete(pageNum)
          if (
            !isStaleDataLoad(generation) &&
            loadingPagesRef.current.size === 0
          ) {
            setLazyLoading(false)
          }
        }
      },
      [
        captureScrollAnchor,
        createPageWindow,
        fetchPage,
        isStaleDataLoad,
        mergeLoadedPage
      ]
    )

    const loadNextPage = useCallback(
      (scrollTarget) => {
        const nextPage = pagesRef.current[pagesRef.current.length - 1]
        if (nextPage?.isSkeletonPage) {
          loadBoundaryPage(nextPage.pageNum, 'next', scrollTarget)
        }
      },
      [loadBoundaryPage]
    )

    const loadPreviousPage = useCallback(
      (scrollTarget) => {
        const previousPage = pagesRef.current[0]
        if (previousPage?.isSkeletonPage) {
          loadBoundaryPage(previousPage.pageNum, 'previous', scrollTarget)
        }
      },
      [loadBoundaryPage]
    )

    const handleScroll = useCallback(
      (e) => {
        const { target } = e
        const firstPage = pagesRef.current[0]
        const lastPage = pagesRef.current[pagesRef.current.length - 1]

        if (
          lastPage?.isSkeletonPage &&
          target.scrollHeight - target.scrollTop - target.clientHeight <=
            skeletonsHeight + SCROLL_THRESHOLD
        ) {
          loadNextPage(target)
        } else if (
          firstPage?.isSkeletonPage &&
          target.scrollTop <= skeletonsHeight + SCROLL_THRESHOLD
        ) {
          loadPreviousPage(target)
        }
      },
      [loadNextPage, loadPreviousPage, skeletonsHeight]
    )

    const reloadLoadedPages = useCallback(
      async ({ silent = false } = {}) => {
        if (isKanban) {
          await kanbanRef.current?.reload?.()
          return
        }
        if (!silent) {
          setLazyLoading(true)
        }
        try {
          const loadedPages = pagesRef.current.filter(
            (page) => !page.isSkeletonPage
          )
          for (let i = 0; i < loadedPages.length; i++) {
            await fetchData(loadedPages[i].pageNum)
          }
        } finally {
          if (!silent) {
            setLazyLoading(false)
          }
        }
      },
      [fetchData, isKanban]
    )

    const reload = useCallback(() => reloadLoadedPages(), [reloadLoadedPages])
    const silentReload = useCallback(
      () => reloadLoadedPages({ silent: true }),
      [reloadLoadedPages]
    )

    reloadRef.current = reload
    silentReloadRef.current = silentReload

    const startEditing = useCallback(() => {
      setIsEditing(true)
      tableData.forEach((item) => {
        if (!item.isSkeleton) {
          setObjectActivity(item._id, type, 'editing')
        }
      })
    }, [tableData, setObjectActivity, type])

    const cancelEditing = useCallback(() => {
      setIsEditing(false)
      tableData.forEach((item) => {
        if (!item.isSkeleton) {
          clearObjectActivity(item._id, type)
        }
      })
    }, [tableData, clearObjectActivity, type])

    const handleUpdate = useCallback(async () => {
      setEditLoading(true)
      try {
        const updates = await Promise.all(
          Object.entries(rowFormsRef.current).map(async ([id, form]) => {
            const values = await form.validateFields()
            return { _id: id, ...values }
          })
        )
        await updateMultipleObjects(type, updates)
        setIsEditing(false)
        reload()
        tableData.forEach((item) => {
          if (!item.isSkeleton) {
            clearObjectActivity(item._id, type)
          }
        })
      } catch (err) {
        logger.error('Error updating objects:', err)
      } finally {
        setEditLoading(false)
      }
    }, [type, updateMultipleObjects, reload, tableData, clearObjectActivity])

    const findTableItem = useCallback((id) => {
      for (const page of pagesRef.current) {
        const item = page.items?.find(
          (entry) => idsEqual(entry._id, id) && !entry.isSkeleton
        )
        if (item) return item
      }
      return null
    }, [])

    // Update event handler for real-time updates
    const updateEventHandler = useCallback(
      (id, updatedData) => {
        const existingItem = findTableItem(id)

        // Always merge into the local item when it already exists.
        if (existingItem) {
          setPages((prevPages) =>
            prevPages.map((page) => {
              const updatedItems = page.items.map((item) => {
                if (idsEqual(item._id, id)) {
                  // Keep the row's original _id casing; update payloads often
                  // arrive lowercased from the NATS subject.
                  return { ...item, ...updatedData, _id: item._id }
                }
                return item
              })
              return {
                ...page,
                items: updatedItems
              }
            })
          )

          if (rowFormsRef.current[id]) {
            rowFormsRef.current[id].setFieldsValue(updatedData)
          } else if (
            existingItem._id != null &&
            rowFormsRef.current[existingItem._id]
          ) {
            rowFormsRef.current[existingItem._id].setFieldsValue(updatedData)
          }
        }

        if (
          updateAffectsFilterOrSort(
            existingItem,
            updatedData,
            subscriptionFilterRef.current,
            {},
            effectiveSorterRef.current
          )
        ) {
          silentReloadRef.current?.()
        }
      },
      [findTableItem]
    )

    // Store the latest updateEventHandler in a ref
    updateEventHandlerRef.current = updateEventHandler

    const newEventHandler = useCallback((params) => {
      logger.debug('New event handler:', params)
      silentReloadRef.current?.()
    }, [])

    // Effective filter for ObjectTableFilterContext, breadcrumb, and neighbors:
    // view definition + any user-entered sidebar filters.
    const effectiveFilter = useMemo(() => {
      const userFilter = getActiveFilterValues(sidebarFilter)
      const sidebarMatchesView = sidebarViewIdRef.current === listViewId

      if (!listViewId || activeObjectView) {
        if (!listViewId && !sidebarMatchesView) return {}
        return userFilter
      }

      const viewFilter = getActiveFilterValues(listViewFilter || {})
      if (!sidebarMatchesView) {
        return viewFilter
      }
      return {
        ...viewFilter,
        ...userFilter
      }
    }, [activeObjectView, listViewId, listViewFilter, sidebarFilter])

    const effectiveSorter = useMemo(() => {
      const sorterMatchesView = sidebarViewIdRef.current === listViewId
      if (sorterMatchesView && tableSorter?.field && tableSorter?.order) {
        return { field: tableSorter.field, order: tableSorter.order }
      }
      if (listViewId && listViewSort?.field && listViewSort?.order) {
        return { field: listViewSort.field, order: listViewSort.order }
      }
      return {}
    }, [listViewId, listViewSort, tableSorter])

    const subscriptionFilter = useMemo(
      () => ({ ...resolvedMasterFilter, ...effectiveFilter }),
      [effectiveFilter, resolvedMasterFilter]
    )

    const tableFilterContextValue = useMemo(
      () => ({
        filter: effectiveFilter,
        masterFilter: resolvedMasterFilter
      }),
      [effectiveFilter, resolvedMasterFilter]
    )

    newEventHandlerRef.current = newEventHandler
    subscriptionFilterRef.current = subscriptionFilter
    effectiveSorterRef.current = effectiveSorter
    subscribeToObjectTypeUpdatesFnRef.current = subscribeToObjectTypeUpdates

    // Cleanup subscriptions on unmount. Kanban owns its own subscriptions.
    useEffect(() => {
      return () => {
        if (connected == true && subscribeToObjectTypeUpdatesRef.current) {
          subscribeToObjectTypeUpdatesRef.current()
          subscribeToObjectTypeUpdatesRef.current = null
        }
        if (connected == true && subscribeToAllObjectUpdatesRef.current) {
          subscribeToAllObjectUpdatesRef.current()
          subscribeToAllObjectUpdatesRef.current = null
        }
      }
    }, [connected])

    // Subscribe to all object updates for this type (list/cards only)
    useEffect(() => {
      if (isKanban || connected !== true || !type) return

      const unsubscribe = subscribeToAllObjectUpdates(
        type,
        (id, updateData) => {
          updateEventHandlerRef.current(id, updateData)
        }
      )
      subscribeToAllObjectUpdatesRef.current = unsubscribe
      return () => {
        if (unsubscribe) unsubscribe()
        if (subscribeToAllObjectUpdatesRef.current === unsubscribe) {
          subscribeToAllObjectUpdatesRef.current = null
        }
      }
    }, [type, connected, subscribeToAllObjectUpdates, isKanban])

    useEffect(() => {
      if (isKanban || connected !== true) return
      if (subscribedTypeRef.current === type) return

      const unsubscribe = subscribeToObjectTypeUpdatesFnRef.current(
        type,
        subscriptionFilterRef.current,
        (params) => newEventHandlerRef.current(params)
      )
      subscribeToObjectTypeUpdatesRef.current = unsubscribe
      subscribedTypeRef.current = type
      return () => {
        if (unsubscribe) unsubscribe()
        if (subscribeToObjectTypeUpdatesRef.current === unsubscribe) {
          subscribeToObjectTypeUpdatesRef.current = null
        }
        if (subscribedTypeRef.current === type) {
          subscribedTypeRef.current = null
        }
      }
    }, [type, connected, isKanban])

    const updateData = useCallback(
      (id, updatedData) => {
        updateEventHandler(id, updatedData)
      },
      [updateEventHandler]
    )

    const loadPage = useCallback(
      async (pageNum, filter = null, sorter = null, options = {}) => {
        const silent = options.silent === true

        if (isKanban) {
          const generation = dataLoadGenerationRef.current + 1
          dataLoadGenerationRef.current = generation
          const activeFilter = filter != null ? filter : activeFilterRef.current
          const resolvedSorter =
            sorter != null
              ? resolveSorter(sorter)
              : resolveSorter(tableSorterRef.current)
          const sorterForLoad = resolvedSorter?.field ? resolvedSorter : {}

          if (!silent) {
            setLoading(true)
            setLazyLoading(false)
          } else {
            setLoading(false)
            setLazyLoading(true)
          }
          try {
            let loadKanban = kanbanRef.current?.load
            if (!loadKanban) {
              await new Promise((resolve) => requestAnimationFrame(resolve))
              if (generation !== dataLoadGenerationRef.current) return
              loadKanban = kanbanRef.current?.load
            }

            if (!loadKanban) return
            await loadKanban(activeFilter, sorterForLoad, { silent })
          } catch (error) {
            logger.error('Error loading kanban view:', error)
          } finally {
            if (generation === dataLoadGenerationRef.current) {
              if (!silent) {
                setLoading(false)
              } else {
                setLazyLoading(false)
              }
            }
          }
          return
        }

        if (silent) {
          const generation = dataLoadGenerationRef.current + 1
          dataLoadGenerationRef.current = generation
          loadingPagesRef.current.clear()
          pendingScrollAnchorRef.current = null
          setLoading(false)
          setLazyLoading(true)

          try {
            const firstResult = await fetchPage(pageNum, filter, sorter)
            if (isStaleDataLoad(generation)) return
            const loadedPages = [
              {
                pageNum,
                items: firstResult.data || [],
                hasMore: firstResult.hasMore
              }
            ]

            if (!isStaleDataLoad(generation)) {
              setTablePages(createPageWindow(loadedPages, 'next'))
              suppressTableChange()
            }
          } catch (error) {
            if (!isStaleDataLoad(generation)) {
              logger.error(`Error loading page ${pageNum}:`, error)
            }
          } finally {
            if (!isStaleDataLoad(generation)) {
              setLazyLoading(false)
            }
          }
          return
        }

        const generation = beginDataReload()
        clearTablePages()
        if (isStaleDataLoad(generation)) return

        const skeletonPage = createSkeletonPage(pageNum)
        setTablePages([skeletonPage])
        setLoading(true)
        setLazyLoading(false)
        if (isStaleDataLoad(generation)) return

        try {
          const firstResult = await fetchPage(pageNum, filter, sorter)
          if (isStaleDataLoad(generation)) return
          const loadedPages = [
            {
              pageNum,
              items: firstResult.data || [],
              hasMore: firstResult.hasMore
            }
          ]

          if (!isStaleDataLoad(generation)) {
            setTablePages(createPageWindow(loadedPages, 'next'))
          }
        } catch (error) {
          if (!isStaleDataLoad(generation)) {
            logger.error(`Error loading page ${pageNum}:`, error)
            setTablePages([])
          }
        } finally {
          if (!isStaleDataLoad(generation)) {
            setLoading(false)
            // Data/column swap can also trigger a spurious Table onChange.
            suppressTableChange()
          }
        }
      },
      [
        beginDataReload,
        clearTablePages,
        createPageWindow,
        createSkeletonPage,
        fetchPage,
        isStaleDataLoad,
        setTablePages,
        suppressTableChange,
        isKanban,
        resolveSorter
      ]
    )

    const loadInitialPage = useCallback(async () => {
      // A selected view applies its own filter/sort via applyViewState.
      // Do not load (or clear) filters here — that races and wipes the view.
      if (getViewFromUrl() || listViewIdRef.current) {
        return
      }

      const filter = getPersistedFilter()
      const sorter = getPersistedSorter()
      const activeFilter = getActiveFilterValues(filter)
      const resolvedSorter = resolveSorter(sorter)

      if (Object.keys(filter).length > 0) {
        assignSidebarToView(listViewIdRef.current)
        setSidebarFilter(filter)
      }
      if (sorter?.field) {
        tableSorterRef.current = sorter
        setTableSorter(sorter)
      }

      loadPage(
        initialPage,
        activeFilter,
        resolvedSorter.field ? resolvedSorter : null
      )
    }, [
      assignSidebarToView,
      getPersistedFilter,
      getPersistedSorter,
      getViewFromUrl,
      initialPage,
      loadPage,
      resolveSorter
    ])
    const loadInitialPageRef = useRef(loadInitialPage)
    loadInitialPageRef.current = loadInitialPage

    // When a view becomes available, apply its definition once. Skip empty
    // prop-lag updates so we never clear an already-applied view filter.
    useEffect(() => {
      if (!listViewId || activeObjectView) {
        if (!listViewId) lastAppliedViewKeyRef.current = null
        return
      }

      const viewFilter = getActiveFilterValues(listViewFilter || {})
      const viewSort =
        listViewSort?.field && listViewSort?.order
          ? { field: listViewSort.field, order: listViewSort.order }
          : {}
      const viewKey = `${listViewId}:${JSON.stringify(viewFilter)}:${JSON.stringify(viewSort)}`

      if (lastAppliedViewKeyRef.current === viewKey) return

      // Prop lag: listViewId is set but filter/sort props are still empty.
      // Never overwrite a non-empty sidebar/query with {}.
      const hasViewState =
        Object.keys(viewFilter).length > 0 || Boolean(viewSort.field)
      if (!hasViewState) return

      lastAppliedViewKeyRef.current = viewKey

      assignSidebarToView(listViewId)
      setSidebarFilter(viewFilter)
      setTableSorter(viewSort)
      tableSorterRef.current = viewSort
      activeFilterRef.current = viewFilter
      loadPage(initialPage, viewFilter, viewSort.field ? viewSort : null)
    }, [
      activeObjectView,
      initialPage,
      listViewFilter,
      listViewId,
      listViewSort,
      loadPage
    ])

    const applyViewState = useCallback(
      (filterState, sorterState, options = {}) => {
        let filter
        let sorter

        if (filterState == null && sorterState == null) {
          // Ignore accidental All restores while a view is still selected
          // (e.g. load race). Explicit All tab switches pass forceAll.
          if (
            !options.forceAll &&
            (listViewIdRef.current || getViewFromUrl())
          ) {
            return
          }

          listViewIdRef.current = null
          listViewFilterRef.current = {}
          lastAppliedViewKeyRef.current = null
          assignSidebarToView(null)
          filter = getAllTabPersistedFilter()
          sorter = getAllTabPersistedSorter()

          const resolvedSorter = resolveSorter(sorter)
          const nextSorter = sorter?.field ? sorter : {}
          const activeFilter = getActiveFilterValues(filter)

          setSidebarFilter(filter)
          tableSorterRef.current = nextSorter
          setTableSorter(nextSorter)
          activeFilterRef.current = activeFilter
          persistAllTabTableState(filter, nextSorter)
          loadPage(
            initialPage,
            activeFilter,
            resolvedSorter.field ? resolvedSorter : null
          )
          return
        }

        // View tab: apply the view definition. Sidebar starts as the view
        // filter so the UI matches; All-tab user settings must not leak in.
        const viewId =
          options.viewId !== undefined ? options.viewId : listViewIdRef.current
        const viewFilter =
          options.viewFilter !== undefined
            ? options.viewFilter || {}
            : filterState || {}

        listViewIdRef.current = viewId
        listViewFilterRef.current = viewFilter

        filter = viewFilter
        sorter = options.viewSort?.field
          ? options.viewSort
          : sorterState?.field
            ? sorterState
            : {}

        const resolvedSorter = resolveSorter(sorter)
        const nextSorter = sorter?.field ? sorter : {}
        const activeFilter = getActiveFilterValues(filter)

        lastAppliedViewKeyRef.current = `${viewId || ''}:${JSON.stringify(activeFilter)}:${JSON.stringify(nextSorter)}`

        assignSidebarToView(viewId)
        setSidebarFilter(filter)
        tableSorterRef.current = nextSorter
        setTableSorter(nextSorter)
        activeFilterRef.current = activeFilter

        loadPage(
          initialPage,
          activeFilter,
          resolvedSorter.field ? resolvedSorter : null
        )
      },
      [
        assignSidebarToView,
        getAllTabPersistedFilter,
        getAllTabPersistedSorter,
        getViewFromUrl,
        initialPage,
        loadPage,
        persistAllTabTableState,
        resolveSorter
      ]
    )

    useImperativeHandle(ref, () => ({
      reload,
      applyViewState,
      setData: (newData) => {
        setPages([{ pageNum: 1, items: newData }])
      },
      updateData,
      startEditing,
      cancelEditing,
      handleUpdate,
      isEditing,
      editLoading
    }))

    useEffect(() => {
      if (connected !== true || token == null || initialized) {
        return
      }

      let cancelled = false

      const run = async () => {
        await loadInitialPageRef.current()
        if (!cancelled) {
          setInitialized(true)
        }
      }

      run()

      return () => {
        cancelled = true
      }
    }, [token, initialized, connected])

    useEffect(() => {
      const viewModeKey = `${viewMode.type}:${viewMode?.settings?.categoryProperty || ''}`

      if (connected !== true || token == null || !initialized) {
        prevViewModeKeyRef.current = viewModeKey
        return
      }

      if (prevViewModeKeyRef.current === viewModeKey) return
      prevViewModeKeyRef.current = viewModeKey

      if (isKanban && !viewMode?.settings?.categoryProperty) return

      loadPage(
        initialPage,
        activeFilterRef.current,
        tableSorterRef.current?.field ? tableSorterRef.current : null
      )
    }, [
      isKanban,
      connected,
      token,
      initialized,
      loadPage,
      initialPage,
      viewMode.type,
      viewMode?.settings?.categoryProperty
    ])

    // Watch for changes in type and masterFilter, reset component state when they change
    useEffect(() => {
      const prevValues = prevValuesRef.current

      const hasChanged =
        prevValues.type !== type ||
        JSON.stringify(prevValues.masterFilter) !==
          JSON.stringify(resolvedMasterFilter)

      if (hasChanged) {
        beginDataReload()
        pagesRef.current = []
        setPages([])
        activeFilterRef.current = {}
        tableSorterRef.current = {}
        assignSidebarToView(null)
        setSidebarFilter({})
        setTableSorter({})
        setInitialized(false)
        setLoading(true)
        setLazyLoading(false)
        prevValuesRef.current = { type, masterFilter: resolvedMasterFilter }
      }
    }, [type, resolvedMasterFilter, beginDataReload])

    useEffect(() => {
      registerPageFilter(effectiveFilter)
      registerObjectListFilter(effectiveFilter)
      return () => registerPageFilter({})
    }, [effectiveFilter, registerPageFilter, registerObjectListFilter])

    useEffect(() => {
      registerPageSorter(effectiveSorter)
      registerObjectListSorter(effectiveSorter)
      return () => registerPageSorter({})
    }, [effectiveSorter, registerPageSorter, registerObjectListSorter])

    const getFilterDropdown = ({
      setSelectedKeys,
      selectedKeys,
      confirm,
      clearFilters,
      visible,
      propertyName,
      propertyLabel
    }) => (
      <ColumnFilterDropdown
        setSelectedKeys={setSelectedKeys}
        selectedKeys={selectedKeys}
        confirm={confirm}
        clearFilters={clearFilters}
        visible={visible}
        propertyName={propertyName}
        propertyLabel={propertyLabel}
        modelType={type}
        filter={effectiveFilter}
        masterFilter={resolvedMasterFilter}
      />
    )

    const handleTableChange = (pagination, filters, sorter) => {
      if (isInternalTableChangeRef.current) return

      const next = { ...sidebarFilter }

      Object.entries(filters).forEach(([key, value]) => {
        const expression = toFilterExpression(value)
        if (expression !== undefined) {
          next[key] = expression
        } else {
          delete next[key]
        }
      })

      const nextSorter = {
        field: sorter.columnKey,
        order: sorter.order
      }

      setSidebarFilter(next)
      assignSidebarToView(listViewIdRef.current)
      setTableSorter(nextSorter)
      if (activeObjectViewRef.current) {
        listViewFilterRef.current = next
        // Editing a view: keep filter/sort on the draft view only
        onObjectViewFilterSortChangeRef.current?.(next, nextSorter)
      } else if (!listViewIdRef.current) {
        // All tab: persist personal filter/sort to URL/session
        persistTableState(next, nextSorter)
      }
      const effective = buildEffectiveFilter(next)
      activeFilterRef.current = effective
      loadPage(initialPage, effective, resolveSorter(nextSorter), {
        silent: true
      })
    }

    const handleSidebarFilterChange = useCallback(
      (newSidebarFilter) => {
        setSidebarFilter(newSidebarFilter)
        assignSidebarToView(listViewIdRef.current)
        if (activeObjectViewRef.current) {
          listViewFilterRef.current = newSidebarFilter
          onObjectViewFilterSortChangeRef.current?.(
            newSidebarFilter,
            tableSorter
          )
        } else if (!listViewIdRef.current) {
          persistFilter(newSidebarFilter)
        }
        const effective = buildEffectiveFilter(newSidebarFilter)
        activeFilterRef.current = effective
        loadPage(initialPage, effective, resolveSorter(tableSorter), {
          silent: true
        })
      },
      [
        assignSidebarToView,
        buildEffectiveFilter,
        initialPage,
        loadPage,
        persistFilter,
        resolveSorter,
        tableSorter
      ]
    )

    const handleSidebarSortChange = useCallback(
      (newSorter) => {
        const nextSorter = newSorter?.field
          ? { field: newSorter.field, order: newSorter.order }
          : {}
        suppressTableChange()
        setTableSorter(nextSorter)
        tableSorterRef.current = nextSorter
        if (activeObjectViewRef.current) {
          onObjectViewFilterSortChangeRef.current?.(sidebarFilter, nextSorter)
        } else if (!listViewIdRef.current) {
          persistSort(nextSorter)
        }
        const effective = buildEffectiveFilter(sidebarFilter)
        loadPage(initialPage, effective, resolveSorter(nextSorter), {
          silent: true
        })
      },
      [
        buildEffectiveFilter,
        initialPage,
        loadPage,
        persistSort,
        resolveSorter,
        sidebarFilter,
        suppressTableChange
      ]
    )

    const modelProperties = getModelProperties(type)
    // Table columns from model properties
    const columnsWithSkeleton = [
      {
        title: lazyLoading ? <LoadingOutlined /> : isCards ? model.icon : null,
        key: 'icon',
        width: 45,
        fixed: 'left',
        render: () => {
          return <Flex justify='center'>{createElement(model.icon)}</Flex>
        }
      }
    ]

    useEffect(() => {
      pagesRef.current = pages
    }, [pages])

    useEffect(() => {
      if (!expandHeight || isCards || isKanban) return

      const findAntTableBody = (element) => {
        if (!element) return null
        if (element.classList?.contains('ant-table-body')) return element
        for (const child of element.children) {
          const found = findAntTableBody(child)
          if (found) return found
        }
        return null
      }

      const root = tableRef.current?.nativeElement ?? tableRef.current
      const tableBody = findAntTableBody(root)
      if (!tableBody) return

      tableBody.style.minHeight = adjustedScrollHeight

      return () => {
        tableBody.style.minHeight = ''
      }
    }, [
      expandHeight,
      adjustedScrollHeight,
      isCards,
      isKanban,
      loading,
      tableData
    ])

    // Add columns in the order specified by model.columns
    model.columns.forEach((colName) => {
      const prop = modelProperties.find((p) => p.name === colName)
      if (prop) {
        // Check if column should be visible based on visibleColumns prop
        if (
          Object.keys(visibleColumns).length > 0 &&
          visibleColumns[prop.name] === false
        ) {
          return // Skip this column if it's not visible
        }

        var fixed = prop.columnFixed || undefined
        var width = 200

        switch (prop.type) {
          case 'text':
            width = 200
            break
          case 'number':
            width = 100
            break
          case 'dateTime':
            width = 200
            break
          case 'state':
            width = 200
            break
          case 'id':
            width = 180
            break
          default:
            break
        }
        // Check if this property should be filterable based on model.filters
        const isFilterable = model.filters && model.filters.includes(prop.name)

        // Check if this property should be sortable based on model.sorters
        const isSortable = model.sorters && model.sorters.includes(prop.name)

        const columnConfig = {
          sorter: isSortable ? { multiple: 1 } : undefined,
          sortOrder:
            tableSorter?.field === prop.name ? tableSorter.order : null,
          title: prop.label,
          width: prop.columnWidth || width,
          fixed: isMobile ? undefined : fixed,
          key: prop.name,
          filterIcon: () => {
            return (
              <Tooltip title='Filter' listenParents={1}>
                <FilterIcon />
              </Tooltip>
            )
          },
          render: (text, record) => {
            if (record?.isSkeleton) {
              return (
                <Skeleton.Input
                  active
                  size='small'
                  style={{ width: '100%', height: 24.5 }}
                />
              )
            }
            return (
              <ObjectProperty
                {...prop}
                longId={false}
                inTable={true}
                objectData={record}
                isEditing={isEditing}
              />
            )
          }
        }

        if (
          isFilterable &&
          !Object.keys(resolvedMasterFilter).includes(prop.name)
        ) {
          columnConfig.filterDropdown = ({
            setSelectedKeys,
            selectedKeys,
            confirm,
            clearFilters,
            visible
          }) =>
            getFilterDropdown({
              setSelectedKeys,
              selectedKeys,
              confirm,
              clearFilters,
              visible,
              propertyName: prop.name,
              propertyLabel: prop.label
            })
          columnConfig.filteredValue = fromFilterExpression(
            effectiveFilter[prop.name]
          )
        }

        columnsWithSkeleton.push(columnConfig)
      }
    })

    if (
      showActions &&
      rowActions.length > 0 &&
      tableData.some((item) => !item?.isSkeleton)
    ) {
      columnsWithSkeleton.push({
        title: (
          <Flex gap='small' align='center' justify='center'>
            <ActionsIcon />
          </Flex>
        ),
        key: 'actions',
        fixed: 'right',
        width: 20 + rowActions.length * 30, // Adjust width based on number of actions
        render: (record) => {
          return renderActions(record)
        }
      })
    }

    // Card view rendering
    const [cardColSpan, setCardColSpan] = useState(24)
    const cardsContainerNodeRef = useRef(null)
    const cardsResizeObserverRef = useRef(null)

    const measureCardColSpan = useCallback(() => {
      const node = cardsContainerNodeRef.current
      if (!node) return
      const panel = node.closest('.ant-splitter-panel')
      const width = (panel ?? node).getBoundingClientRect().width
      if (width <= 0) return
      const nextSpan = getCardColSpan(width)
      setCardColSpan((prev) => (prev === nextSpan ? prev : nextSpan))
    }, [])

    const objectTableCardsContainerRef = useCallback(
      (node) => {
        cardsResizeObserverRef.current?.disconnect()
        cardsResizeObserverRef.current = null
        cardsContainerNodeRef.current = node

        if (!node) return

        let rafId = null
        const scheduleMeasure = () => {
          if (rafId != null) cancelAnimationFrame(rafId)
          rafId = requestAnimationFrame(() => {
            rafId = null
            measureCardColSpan()
          })
        }

        scheduleMeasure()

        const observer = new ResizeObserver(scheduleMeasure)
        const panel = node.closest('.ant-splitter-panel')
        if (panel) {
          observer.observe(panel)
        } else {
          observer.observe(node)
        }

        cardsResizeObserverRef.current = observer
      },
      [measureCardColSpan]
    )

    useLayoutEffect(() => {
      if (!isCards) return
      measureCardColSpan()
    }, [isCards, showFilterSidebar, showSortSidebar, measureCardColSpan])

    useEffect(() => {
      return () => cardsResizeObserverRef.current?.disconnect()
    }, [])

    // Card view: load when the leading skeleton card in a boundary page enters view
    useLayoutEffect(() => {
      if (!isCards) return
      const container = cardsContainerNodeRef.current
      if (!container) return
      const scrollEl = container.querySelector('.simplebar-content-wrapper')
      if (!scrollEl) return

      const observer = new IntersectionObserver(
        (entries) => {
          for (const entry of entries) {
            if (!entry.isIntersecting) continue
            const boundary = entry.target.dataset.skeletonBoundary
            if (boundary === 'next') {
              loadNextPage(scrollEl)
            } else if (boundary === 'previous') {
              loadPreviousPage(scrollEl)
            }
          }
        },
        {
          root: scrollEl,
          rootMargin: `${SCROLL_THRESHOLD}px`,
          threshold: 0
        }
      )

      container
        .querySelectorAll('[data-skeleton-boundary]')
        .forEach((el) => observer.observe(el))

      return () => observer.disconnect()
    }, [isCards, skeletonBoundaryIds, loadNextPage, loadPreviousPage])

    const renderCards = () => {
      return (
        <ScrollBox
          style={{
            height: '100%',
            flex: 1,
            minHeight: 0
          }}
        >
          <div className='objectTableCards'>
            <Row gutter={[16, 16]} key={`${cardColSpan}-${tableListKey}`}>
              {tableData.map((record) => {
                if (record?._id == undefined) {
                  return null
                }

                const skeletonBoundary =
                  record._id === skeletonBoundaryIds.next
                    ? 'next'
                    : record._id === skeletonBoundaryIds.previous
                      ? 'previous'
                      : undefined

                return (
                  <Col span={cardColSpan} key={record._id}>
                    <div
                      style={{ width: '100%', overflow: 'hidden' }}
                      data-skeleton-boundary={skeletonBoundary}
                    >
                      <RowForm
                        record={record}
                        isEditing={isEditing}
                        onRegister={registerForm}
                      >
                        <Flex align={'center'} vertical gap={'middle'}>
                          <ObjectCard
                            isSkeleton={record?.isSkeleton || false}
                            model={model}
                            modelProperties={modelProperties}
                            visibleColumns={visibleColumns}
                            record={record}
                            lazyLoading={lazyLoading}
                            isEditing={isEditing}
                            rowActions={rowActions}
                            renderActions={renderActions}
                          />
                        </Flex>
                      </RowForm>
                    </div>
                  </Col>
                )
              })}
            </Row>
            {lazyLoading && tableData.length <= 0 && (
              <LoadingPlaceholder
                message='Loading, please wait...'
                hasBackground={true}
                hasBorder={false}
                height='260px'
              />
            )}
          </div>
        </ScrollBox>
      )
    }

    const components = useMemo(
      () => ({
        body: {
          row: EditableRow
        }
      }),
      []
    )

    const onRow = useCallback(
      (record) => ({
        record,
        isEditing,
        onRegister: registerForm
      }),
      [isEditing, registerForm]
    )

    useEffect(() => {
      console.log('loading', loading)
    }, [loading])

    const tableContent = (
      <Flex
        gap={'middle'}
        vertical
        style={{ flex: 1, minWidth: 0, minHeight: 0 }}
      >
        <Splitter
          className={'farmcontrol-splitter large'}
          onResize={measureCardColSpan}
          onResizeEnd={measureCardColSpan}
        >
          <Splitter.Panel>
            {isKanban ? (
              <div className='objectKanbanWrap'>
                <Spin spinning={loading}>
                  <ObjectKanban
                    ref={kanbanRef}
                    type={type}
                    categoryProperty={viewMode.settings?.categoryProperty}
                    baseFilter={effectiveFilter}
                    masterFilter={resolvedMasterFilter}
                    sorter={effectiveSorter}
                    lazyLoading={lazyLoading}
                    pageSize={pageSize}
                    model={model}
                    modelProperties={modelProperties}
                    visibleColumns={visibleColumns}
                    isEditing={isEditing}
                    rowActions={rowActions}
                    renderActions={renderActions}
                    columns={viewMode.settings?.columns}
                    onColumnsChange={(columns) => {
                      objectListView?.setViewMode?.({
                        ...viewMode,
                        settings: {
                          ...viewMode.settings,
                          columns
                        }
                      })
                    }}
                  />
                </Spin>
              </div>
            ) : isCards ? (
              <div
                className='objectTableCardsContainer'
                ref={objectTableCardsContainerRef}
              >
                <Spin spinning={loading}>{renderCards()}</Spin>
              </div>
            ) : (
              <Spin spinning={loading}>
                <Table
                  key={tableListKey}
                  ref={tableRef}
                  dataSource={tableData}
                  columns={columnsWithSkeleton}
                  className='dashboard-table'
                  pagination={false}
                  scroll={{ y: adjustedScrollHeight }}
                  rowKey='_id'
                  onScroll={handleScroll}
                  onChange={handleTableChange}
                  showSorterTooltip={false}
                  style={{ height: '100%' }}
                  size={size}
                  components={components}
                  onRow={onRow}
                />
              </Spin>
            )}
          </Splitter.Panel>
          {(showSortSidebar || showFilterSidebar) && (
            <Splitter.Panel defaultSize={'25%'}>
              <Flex
                vertical
                gap='large'
                style={{ height: '100%', minHeight: 0 }}
              >
                {showSortSidebar && (
                  <SortSidebar
                    type={type}
                    sorter={effectiveSorter}
                    onSortChange={handleSidebarSortChange}
                    stretchHeight={showSortSidebar && !showFilterSidebar}
                  />
                )}
                {showFilterSidebar && (
                  <Flex style={{ flex: 1, minHeight: 0 }}>
                    <FilterSidebar
                      type={type}
                      filter={
                        activeObjectView ? sidebarFilter : effectiveFilter
                      }
                      onFilterChange={handleSidebarFilterChange}
                      masterFilter={resolvedMasterFilter}
                    />
                  </Flex>
                )}
              </Flex>
            </Splitter.Panel>
          )}
        </Splitter>
      </Flex>
    )

    return (
      <ObjectTableFilterContext.Provider value={tableFilterContextValue}>
        {tableContent}
      </ObjectTableFilterContext.Provider>
    )
  }
)

ObjectTable.displayName = 'ObjectTable'

ObjectTable.propTypes = {
  type: PropTypes.string.isRequired,
  pageSize: PropTypes.number,
  scrollHeight: PropTypes.string,
  onDataChange: PropTypes.func,
  initialPage: PropTypes.number,
  viewMode: PropTypes.oneOfType([PropTypes.string, PropTypes.object]),
  cards: PropTypes.bool,
  cardRenderer: PropTypes.func,
  visibleColumns: PropTypes.object,
  masterFilter: PropTypes.object,
  size: PropTypes.string,
  onStateChange: PropTypes.func,
  showFilterSidebar: PropTypes.bool,
  showSortSidebar: PropTypes.bool,
  expandHeight: PropTypes.bool,
  showActions: PropTypes.bool,
  saveFilterInSession: PropTypes.bool,
  saveFilterInUrl: PropTypes.bool,
  useFilterInSession: PropTypes.bool,
  useFilterInUrl: PropTypes.bool,
  saveSortInSession: PropTypes.bool,
  saveSortInUrl: PropTypes.bool,
  useSortInSession: PropTypes.bool,
  useSortInUrl: PropTypes.bool,
  onRowAction: PropTypes.func
}

export default ObjectTable