"use client"

import * as React from "react"
import type {
  DataTableAdvancedFilterField,
  DataTableFilterField,
  DataTableRowAction,
} from "@/types/table"

import { useDataTable } from "@/hooks/use-data-table"
import { DataTable } from "@/components/data-table/data-table"
import { DataTableAdvancedToolbar } from "@/components/data-table/data-table-advanced-toolbar"
import { useFeatureFlags } from "./feature-flags-provider"

import { getFormLists } from "../service"
import { getColumns } from "./formLists-table-columns"
import { FormListsTableToolbarActions } from "./formLists-table-toolbar-actions"
import { ViewMetas } from "./meta-sheet"
import { FormListsView } from "@/db/schema"

interface ItemsTableProps {
  promises: Promise<
    [
      Awaited<ReturnType<typeof getFormLists>>,
    ] 
  >
}

export function FormListsTable({ promises }: ItemsTableProps) {
  const { featureFlags } = useFeatureFlags()
  
  // 1. 데이터 로딩 상태 관리 추가
  const [isLoading, setIsLoading] = React.useState(true)
  const [tableData, setTableData] = React.useState<{
    data: FormListsView[]
    pageCount: number
  }>({ data: [], pageCount: 0 })

  // 2. Promise 해결을 useEffect로 처리
  React.useEffect(() => {
    promises
      .then(([result]) => {
        setTableData(result)
        setIsLoading(false)
      })
      // .catch((error) => {
      //   console.error('Failed to load table data:', error)
      //   setIsLoading(false)
      // })
  }, [promises])

  const [rowAction, setRowAction] =
    React.useState<DataTableRowAction<FormListsView> | null>(null)

  const columns = React.useMemo(
    () => getColumns({ setRowAction }),
    [setRowAction]
  )

  const filterFields: DataTableFilterField<FormListsView>[] = []

  const advancedFilterFields: DataTableAdvancedFilterField<FormListsView>[] = [
    {
      id: "projectCode",
      label: "Project Code",
      type: "text",
    },
    {
      id: "projectName",
      label: "Project Name",
      type: "text",
    },
    {
      id: "formCode",
      label: "Register ID",
      type: "text",
    },
    {
      id: "formName",
      label: "Register Description",
      type: "text",
    },
    {
      id: "tagTypeLabel",
      label: "TAG TYPE ID",
      type: "text",
    },
    {
      id: "classLabel",
      label: "Class Description",
      type: "text",
    },
    {
      id: "ep",
      label: "EP",
      type: "text",
    },
    {
      id: "remark",
      label: "remark",
      type: "text",
    },
    {
      id: "createdAt",
      label: "Created At",
      type: "date",
    },
    {
      id: "updatedAt",
      label: "Updated At",
      type: "date",
    },
  ]

  // 3. 로딩 중이거나 데이터가 없을 때 처리
  const { table } = useDataTable({
    data: tableData.data,
    columns,
    pageCount: tableData.pageCount,
    filterFields,
    enablePinning: true,
    enableAdvancedFilter: true,
    initialState: {
      sorting: [{ id: "createdAt", desc: true }],
      columnPinning: { right: ["actions"] },
    },
    getRowId: (originalRow) => String(originalRow.id),
    shallow: false,
    clearOnDefault: true,
  })

  // 4. 로딩 상태 표시
  if (isLoading) {
    return (
      <div className="flex items-center justify-center h-32">
        <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-gray-900"></div>
        <span className="ml-2">Loading...</span>
      </div>
    )
  }

  return (
    <>
      <DataTable table={table}>
        <DataTableAdvancedToolbar
          table={table}
          filterFields={advancedFilterFields}
          shallow={false}
        >
          <FormListsTableToolbarActions table={table} />
        </DataTableAdvancedToolbar>
      </DataTable>
      <ViewMetas
        open={rowAction?.type === "items"}
        onOpenChange={() => setRowAction(null)}
        form={rowAction?.row.original ?? null}
      />
    </>
  )
}