import { useMemo, useState } from 'react'
import { useNavigate } from '@tanstack/react-router'
import { Boxes, SearchIcon } from 'lucide-react'

import { CategoryBadge } from '@/components/category-badge'
import { DataGridMonoCell, DataGridMutedCell, DataGridNameCell } from '@/components/data-grid-cell'
import { Badge } from '@/components/reui/badge'
import { DataGridColumnHeader } from '@/components/reui/data-grid/data-grid-column-header'
import type { FilterField, FilterQuery } from '@/components/reui/filters/filters-types'
import {
  ResourcePage,
  createTextFilterQuery,
  type DataGridColumnDef,
} from '@/components/reui-kit'
import type { LookupMatch } from '@/types/api'

/**
 * Lookup matches grid — ResourcePage hideHeader inside wizard-2 Frame.
 * @see https://reui.io/preview/base/wizard-2
 * @see https://reui.io/preview/base/data-grid-filtering-2
 * @see https://reui.io/docs/components/base/badge
 */
const filterFields: FilterField[] = [
  {
    id: 'search',
    label: 'Поиск',
    icon: <SearchIcon className="size-3.5" aria-hidden />,
    type: 'text',
    placeholder: 'Фильтр совпадений…',
  },
]

export function LookupMatchesGrid({
  items,
  isLoading = false,
}: {
  items: LookupMatch[]
  isLoading?: boolean
}) {
  const navigate = useNavigate()
  const [filterQuery, setFilterQuery] = useState<FilterQuery>(() =>
    createTextFilterQuery('search'),
  )

  const columns = useMemo<DataGridColumnDef<LookupMatch>[]>(
    () => [
      {
        accessorKey: 'layer',
        header: ({ column }) => <DataGridColumnHeader column={column} title="Слой" />,
        cell: ({ row }) => (
          <Badge
            variant={row.original.layer === 'entry' ? 'info-light' : 'primary-light'}
            size="sm"
          >
            {row.original.layer}
          </Badge>
        ),
        meta: { headerTitle: 'Слой' },
      },
      {
        accessorKey: 'module_name',
        header: ({ column }) => <DataGridColumnHeader column={column} title="Модуль" />,
        cell: ({ row }) => (
          <DataGridNameCell
            icon={Boxes}
            title={row.original.module_name}
            subtitle={row.original.module_type}
          />
        ),
        meta: { headerTitle: 'Модуль' },
      },
      {
        accessorKey: 'matched_value',
        header: ({ column }) => <DataGridColumnHeader column={column} title="Совпадение" />,
        cell: ({ row }) => (
          <div className="flex min-w-0 flex-col gap-0.5">
            <DataGridMonoCell>{row.original.matched_value}</DataGridMonoCell>
            <DataGridMutedCell>
              {row.original.resolved_ip
                ? `${row.original.match_kind} · via ${row.original.resolved_ip}`
                : row.original.match_kind}
            </DataGridMutedCell>
          </div>
        ),
        meta: { headerTitle: 'Совпадение' },
      },
      {
        id: 'community',
        accessorFn: (row) => row.community_title || row.community || '',
        header: ({ column }) => <DataGridColumnHeader column={column} title="Community" />,
        cell: ({ row }) => {
          const title = row.original.community_title?.trim()
          const value = row.original.community?.trim()
          if (!title && !value) {
            return <DataGridMutedCell>—</DataGridMutedCell>
          }
          return (
            <div className="flex min-w-0 flex-col gap-0.5">
              <DataGridMonoCell>{title || value || '—'}</DataGridMonoCell>
              {title && value && title !== value ? (
                <DataGridMutedCell>{value}</DataGridMutedCell>
              ) : null}
            </div>
          )
        },
        meta: { headerTitle: 'Community' },
      },
      {
        id: 'source',
        enableSorting: false,
        header: 'Источник',
        cell: ({ row }) =>
          row.original.source ? (
            <CategoryBadge>{row.original.source}</CategoryBadge>
          ) : (
            <DataGridMutedCell>—</DataGridMutedCell>
          ),
        meta: { headerTitle: 'Источник' },
      },
    ],
    [],
  )

  return (
    <ResourcePage
      title="Совпадения"
      description="Entries и snapshots · клик по строке открывает модуль"
      hideHeader
      filterFields={filterFields}
      filterQuery={filterQuery}
      onFilterQueryChange={setFilterQuery}
      onClearFilters={() => setFilterQuery(createTextFilterQuery('search'))}
      getFilterFieldValue={(item, field) => {
        if (field !== 'search') return undefined
        return `${item.layer} ${item.module_name} ${item.module_type} ${item.matched_value} ${item.community ?? ''} ${item.community_title ?? ''} ${item.source ?? ''}`
      }}
      columns={columns}
      data={items}
      getRowId={(row) =>
        `${row.layer}|${row.module_id}|${row.match_kind}|${row.matched_value}|${row.entry_id ?? ''}|${row.source ?? ''}|${row.community_id ?? ''}`
      }
      isLoading={isLoading}
      onRowClick={(row) =>
        void navigate({ to: '/modules/$moduleId', params: { moduleId: row.module_id } })
      }
      emptyState={{ title: 'Нет совпадений' }}
    />
  )
}