"use client"

import * as React from "react"
import {
  flexRender,
  getCoreRowModel,
  useReactTable,
  type PaginationState,
} from "@tanstack/react-table"
import { useRouter } from "next/navigation"

import {
  DataTablePagination,
  useDebouncedValue,
} from "@/app/dashboard/_components/data-table"
import { Input } from "@/components/ui/input"
import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from "@/components/ui/table"
import { SETTINGS_INPUT_CLASS } from "@/components/settings/constants"
import { cn } from "@/lib/utils"

import {
  buildAssetFieldDefinitionHref,
  DEFAULT_PAGE_SIZE,
} from "./constants"
import { createAssetFieldDefinitionColumns } from "./columns"
import type { AssetFieldDefinitionRow } from "./schema"
import { formatPlainAmount } from "@/lib/format/numbers"

type AssetFieldDefinitionTableProps = {
  data: AssetFieldDefinitionRow[]
  filters: {
    apiField: string
    oxyField: string
    module: string
    info: string
  }
  totalCount: number
  page: number
  pageSize: number
  pageCount: number
}

const filterInputClass = cn(SETTINGS_INPUT_CLASS, "h-8")

export function AssetFieldDefinitionTable({
  data,
  filters,
  totalCount,
  page,
  pageSize,
  pageCount,
}: AssetFieldDefinitionTableProps) {
  const router = useRouter()
  const [apiFieldDraft, setApiFieldDraft] = React.useState(filters.apiField)
  const [oxyFieldDraft, setOxyFieldDraft] = React.useState(filters.oxyField)
  const [moduleDraft, setModuleDraft] = React.useState(filters.module)
  const [infoDraft, setInfoDraft] = React.useState(filters.info)
  const debouncedApiField = useDebouncedValue(apiFieldDraft)
  const debouncedOxyField = useDebouncedValue(oxyFieldDraft)
  const debouncedModule = useDebouncedValue(moduleDraft)
  const debouncedInfo = useDebouncedValue(infoDraft)

  const navigate = React.useCallback(
    (
      next: {
        apiField?: string
        oxyField?: string
        module?: string
        info?: string
        page?: number
        pageSize?: number
      },
      options?: { replace?: boolean },
    ) => {
      const href = buildAssetFieldDefinitionHref({
        apiField: next.apiField ?? filters.apiField,
        oxyField: next.oxyField ?? filters.oxyField,
        module: next.module ?? filters.module,
        info: next.info ?? filters.info,
        page: next.page ?? page,
        pageSize: next.pageSize ?? pageSize,
      })

      if (options?.replace) {
        router.replace(href, { scroll: false })
        return
      }

      router.push(href, { scroll: false })
    },
    [
      filters.apiField,
      filters.info,
      filters.module,
      filters.oxyField,
      page,
      pageSize,
      router,
    ],
  )

  React.useEffect(() => {
    setApiFieldDraft(filters.apiField)
  }, [filters.apiField])

  React.useEffect(() => {
    setOxyFieldDraft(filters.oxyField)
  }, [filters.oxyField])

  React.useEffect(() => {
    setModuleDraft(filters.module)
  }, [filters.module])

  React.useEffect(() => {
    setInfoDraft(filters.info)
  }, [filters.info])

  React.useEffect(() => {
    const normalized = debouncedApiField.trim()
    if (normalized === filters.apiField) return
    navigate({ apiField: normalized, page: 1 }, { replace: true })
  }, [debouncedApiField, filters.apiField, navigate])

  React.useEffect(() => {
    const normalized = debouncedOxyField.trim()
    if (normalized === filters.oxyField) return
    navigate({ oxyField: normalized, page: 1 }, { replace: true })
  }, [debouncedOxyField, filters.oxyField, navigate])

  React.useEffect(() => {
    const normalized = debouncedModule.trim()
    if (normalized === filters.module) return
    navigate({ module: normalized, page: 1 }, { replace: true })
  }, [debouncedModule, filters.module, navigate])

  React.useEffect(() => {
    const normalized = debouncedInfo.trim()
    if (normalized === filters.info) return
    navigate({ info: normalized, page: 1 }, { replace: true })
  }, [debouncedInfo, filters.info, navigate])

  const columns = React.useMemo(() => createAssetFieldDefinitionColumns(), [])

  const pagination = React.useMemo<PaginationState>(
    () => ({
      pageIndex: Math.max(page - 1, 0),
      pageSize,
    }),
    [page, pageSize],
  )

  const table = useReactTable({
    data,
    columns,
    state: { pagination },
    pageCount,
    manualPagination: true,
    onPaginationChange: (updater) => {
      const next = typeof updater === "function" ? updater(pagination) : updater
      const nextPageSize = next.pageSize > 0 ? next.pageSize : pageSize
      const nextPage = nextPageSize !== pageSize ? 1 : Math.max(next.pageIndex + 1, 1)

      navigate({
        page: nextPage,
        pageSize: nextPageSize,
      })
    },
    getCoreRowModel: getCoreRowModel(),
    getRowId: (r) => r.id,
  })

  const start = totalCount === 0 ? 0 : (page - 1) * pageSize + 1
  const end = Math.min(page * pageSize, totalCount)
  const headers = table.getHeaderGroups()[0]?.headers ?? []

  return (
    <div className="space-y-4">
      <p className="text-sm text-muted-foreground">
        Displaying {start}–{end} of {formatPlainAmount(totalCount)} results.
      </p>

      <div className="overflow-x-auto rounded-lg border bg-card">
        <Table>
          <TableHeader>
            <TableRow className="bg-muted/40 hover:bg-muted/40">
              {headers.map((header) => (
                <TableHead key={header.id} className="h-10 px-3 whitespace-nowrap">
                  {flexRender(header.column.columnDef.header, header.getContext())}
                </TableHead>
              ))}
            </TableRow>
            <TableRow className="bg-muted/20 hover:bg-muted/20">
              {headers.map((header) => {
                const colId = header.column.id
                if (colId === "apiField") {
                  return (
                    <TableHead key={header.id} className="px-3 py-2">
                      <Input
                        className={filterInputClass}
                        placeholder="Filter"
                        value={apiFieldDraft}
                        onChange={(e) => setApiFieldDraft(e.target.value)}
                      />
                    </TableHead>
                  )
                }
                if (colId === "oxyField") {
                  return (
                    <TableHead key={header.id} className="px-3 py-2">
                      <Input
                        className={filterInputClass}
                        placeholder="Filter"
                        value={oxyFieldDraft}
                        onChange={(e) => setOxyFieldDraft(e.target.value)}
                      />
                    </TableHead>
                  )
                }
                if (colId === "module") {
                  return (
                    <TableHead key={header.id} className="px-3 py-2">
                      <Input
                        className={filterInputClass}
                        placeholder="Filter"
                        value={moduleDraft}
                        onChange={(e) => setModuleDraft(e.target.value)}
                      />
                    </TableHead>
                  )
                }
                if (colId === "info") {
                  return (
                    <TableHead key={header.id} className="px-3 py-2">
                      <Input
                        className={filterInputClass}
                        placeholder="Filter"
                        value={infoDraft}
                        onChange={(e) => setInfoDraft(e.target.value)}
                      />
                    </TableHead>
                  )
                }
                return <TableHead key={header.id} className="px-3 py-2" />
              })}
            </TableRow>
          </TableHeader>
          <TableBody>
            {table.getRowModel().rows.length ? (
              table.getRowModel().rows.map((row) => (
                <TableRow key={row.id}>
                  {row.getVisibleCells().map((cell) => (
                    <TableCell key={cell.id} className="px-3 py-2.5 align-top">
                      {flexRender(cell.column.columnDef.cell, cell.getContext())}
                    </TableCell>
                  ))}
                </TableRow>
              ))
            ) : (
              <TableRow>
                <TableCell
                  colSpan={columns.length}
                  className="h-24 text-center text-muted-foreground"
                >
                  No results found.
                </TableCell>
              </TableRow>
            )}
          </TableBody>
        </Table>
      </div>

      <DataTablePagination
        table={table}
        totalRows={totalCount}
        itemNoun="record"
        idPrefix="asset-field-definition"
        pageSizes={[10, 20, DEFAULT_PAGE_SIZE, 100]}
      />
    </div>
  )
}