import { useMemo } from 'react'
import { Link } from '@tanstack/react-router'
import type { ColumnDef } from '@tanstack/react-table'
import { MoreHorizontalIcon, SearchIcon } from 'lucide-react'

import { Badge } from '@/components/reui/badge'
import { DataGridColumnHeader } from '@/components/reui/data-grid/data-grid-column-header'
import { createFilter, type FilterFieldConfig } from '@/components/reui/filters'
import { StatusBadge } from '@/components/status-badge'
import type { DomainListItem } from '@/lib/schemas'
import { renderSingleSelectedLabel } from '@/components/reui-kit/filter-utils'
import { Button } from '@cfdm/ui/components/button'
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuTrigger,
} from '@cfdm/ui/components/dropdown-menu'

export const DOMAIN_TABS = [
  { id: 'all', label: 'Все' },
  { id: 'with_group', label: 'С группой' },
  { id: 'without_group', label: 'Без группы' },
] as const

export function domainTabFilter(item: DomainListItem, tabId: string) {
  if (tabId === 'with_group') return item.group_id != null
  if (tabId === 'without_group') return item.group_id == null
  return true
}

export function createDefaultDomainFilters() {
  return [createFilter('zone_name', 'contains', [''])]
}

export function useDomainFilterFields(
  groupOptions: { value: string; label: string }[],
) {
  return useMemo<FilterFieldConfig[]>(
    () => [
      {
        key: 'zone_name',
        label: 'Зона',
        icon: <SearchIcon className="size-3.5" aria-hidden />,
        type: 'text',
        className: 'w-52',
        placeholder: 'Поиск…',
      },
      {
        key: 'group_id',
        label: 'Группа',
        type: 'select',
        searchable: true,
        className: 'w-[168px]',
        options: groupOptions,
        customValueRenderer: (values) =>
          renderSingleSelectedLabel(values, groupOptions),
      },
    ],
    [groupOptions],
  )
}

export function domainFilterFieldValue(item: DomainListItem, field: string) {
  switch (field) {
    case 'zone_name':
      return `${item.zone_name} ${item.group_name ?? ''}`.toLowerCase()
    case 'group_id':
      return item.group_id != null ? String(item.group_id) : 'none'
    default:
      return ''
  }
}

export function useDomainColumns({
  onRequestDelete,
  isDeleting,
}: {
  onRequestDelete: (domain: DomainListItem) => void
  isDeleting?: boolean
}) {
  const columns = useMemo<ColumnDef<DomainListItem>[]>(
    () => [
      {
        id: 'zone_name',
        accessorKey: 'zone_name',
        header: ({ column }) => (
          <DataGridColumnHeader column={column} title="Зона" />
        ),
        cell: ({ row }) => (
          <Button
            variant="link"
            className="h-auto p-0 font-medium"
            nativeButton={false}
            render={
              <Link
                to="/domains/$domainId"
                params={{ domainId: String(row.original.id) }}
              />
            }
          >
            {row.original.zone_name}
          </Button>
        ),
      },
      {
        id: 'group',
        header: ({ column }) => (
          <DataGridColumnHeader column={column} title="Группа" />
        ),
        cell: ({ row }) => {
          const domain = row.original
          if (domain.group_id && domain.group_name) {
            return (
              <Button
                variant="link"
                className="h-auto p-0"
                nativeButton={false}
                render={
                  <Link
                    to="/groups/$groupId"
                    params={{ groupId: String(domain.group_id) }}
                  />
                }
              >
                {domain.group_name}
              </Button>
            )
          }
          return <Badge variant="outline">Без группы</Badge>
        },
      },
      {
        id: 'service_count',
        accessorKey: 'service_count',
        header: ({ column }) => (
          <DataGridColumnHeader column={column} title="Сервисы" />
        ),
        cell: ({ row }) => (
          <Button
            variant="link"
            className="h-auto p-0 tabular-nums"
            nativeButton={false}
            render={
              <Link to="/services" search={{ domainId: row.original.id }} />
            }
          >
            {row.original.service_count}
          </Button>
        ),
      },
      {
        id: 'status',
        header: 'Статус',
        cell: ({ row }) => <StatusBadge status={row.original.status} />,
      },
      {
        id: 'last_synced_at',
        accessorKey: 'last_synced_at',
        header: ({ column }) => (
          <DataGridColumnHeader column={column} title="Синхронизация" />
        ),
        cell: ({ row }) => (
          <span className="text-muted-foreground tabular-nums">
            {row.original.last_synced_at ?? '—'}
          </span>
        ),
      },
      {
        id: 'actions',
        header: '',
        enableHiding: false,
        cell: ({ row }) => (
          <div className="text-right">
            <DropdownMenu>
              <DropdownMenuTrigger
                render={<Button variant="outline" size="icon" className="size-8" />}
              >
                <MoreHorizontalIcon />
                <span className="sr-only">Действия</span>
              </DropdownMenuTrigger>
              <DropdownMenuContent align="end">
                <DropdownMenuItem
                  render={
                    <Link
                      to="/domains/$domainId"
                      params={{ domainId: String(row.original.id) }}
                    />
                  }
                >
                  Обзор
                </DropdownMenuItem>
                <DropdownMenuItem
                  render={
                    <Link
                      to="/domains/$domainId/dns"
                      params={{ domainId: String(row.original.id) }}
                      search={{ host: undefined }}
                    />
                  }
                >
                  DNS
                </DropdownMenuItem>
                <DropdownMenuItem
                  variant="destructive"
                  disabled={isDeleting}
                  onClick={() => onRequestDelete(row.original)}
                >
                  Удалить
                </DropdownMenuItem>
              </DropdownMenuContent>
            </DropdownMenu>
          </div>
        ),
      },
    ],
    [isDeleting, onRequestDelete],
  )

  return { columns }
}