"use client";

import * as React from "react";
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 type {
  DataTableAdvancedFilterField,
  DataTableRowAction,
  DataTableFilterField,
} from "@/types/table"
import { getComplianceResponsesWithPagination } from "../services";
import { getResponseColumns } from "./compliance-responses-columns";
import { ComplianceResponsesToolbarActions } from "./compliance-responses-toolbar";

interface ComplianceResponsesTableProps {
  templateId: number;
  promises?: Promise<[{ data: any[]; pageCount: number }]>;
}

export function ComplianceResponsesTable({ templateId, promises }: ComplianceResponsesTableProps) {
  // 페이지네이션 모드 데이터
  const paginationData = promises ? React.use(promises) : null;
  const [{ data: initialData = [], pageCount = 0 }] = paginationData || [{ data: [], pageCount: 0 }];

  const [rowAction, setRowAction] = React.useState<DataTableRowAction<any> | null>(null);
  const [data, setData] = React.useState(initialData);
  const [currentSorting, setCurrentSorting] = React.useState<{ id: string; desc: boolean }[]>([]);

  // 초기 데이터가 변경되면 data 상태 업데이트
  React.useEffect(() => {
    setData(initialData);
  }, [initialData]);

  // 컬럼 설정 - 외부 파일에서 가져옴
  const columns = React.useMemo(
    () => getResponseColumns({ setRowAction }),
    [setRowAction]
  )

  // 기본 필터 필드 설정
  const filterFields: DataTableFilterField<any>[] = [
    {
      id: "status",
      label: "상태",
      options: [
        { label: "진행중", value: "IN_PROGRESS" },
        { label: "완료", value: "COMPLETED" },
        { label: "검토완료", value: "REVIEWED" },
      ],
    },
  ];

  // 고급 필터 필드 설정
  const advancedFilterFields: DataTableAdvancedFilterField<any>[] = [
    { id: "vendorId", label: "Vendor ID", type: "text" },
    { id: "vendorName", label: "업체명", type: "text" },
    { id: "contractName", label: "계약서명", type: "text" },
    {
      id: "status", label: "상태", type: "select", options: [
        { label: "진행중", value: "IN_PROGRESS" },
        { label: "완료", value: "COMPLETED" },
        { label: "검토완료", value: "REVIEWED" },
      ]
    },
    { id: "answersCount", label: "답변 수", type: "text" },
    { id: "createdAt", label: "생성일", type: "date" },
    { id: "completedAt", label: "완료일", type: "date" },
  ];

  const { table } = useDataTable({
      data,
      columns,
      pageCount,
      filterFields,
      enablePinning: true,
      enableAdvancedFilter: true,
      enableRowSelection: true,
      initialState: {
        sorting: [{ id: "createdAt", desc: true }],
        columnPinning: { right: ["actions"] },
      },
      getRowId: (originalRow) => String(originalRow.id),
      shallow: false,
      clearOnDefault: true,
    })

  // 정렬 상태 변경 감지
  React.useEffect(() => {
    const newSorting = table.getState().sorting;
    if (JSON.stringify(newSorting) !== JSON.stringify(currentSorting)) {
      setCurrentSorting(newSorting);
    }
  }, [table.getState().sorting, currentSorting]);

  // 정렬이 변경될 때 데이터 다시 로드 (응답 데이터는 클라이언트 사이드 정렬)
  React.useEffect(() => {
    if (currentSorting && currentSorting.length > 0) {
      const sortedData = [...initialData].sort((a, b) => {
        for (const sort of currentSorting) {
          const aValue = a[sort.id];
          const bValue = b[sort.id];
          
          if (aValue === bValue) continue;
          
          if (aValue === null || aValue === undefined) return 1;
          if (bValue === null || bValue === undefined) return -1;
          
          if (typeof aValue === 'string' && typeof bValue === 'string') {
            return sort.desc ? bValue.localeCompare(aValue) : aValue.localeCompare(bValue);
          }
          
          if (aValue instanceof Date && bValue instanceof Date) {
            return sort.desc ? bValue.getTime() - aValue.getTime() : aValue.getTime() - bValue.getTime();
          }
          
          return sort.desc ? (bValue > aValue ? 1 : -1) : (aValue > bValue ? 1 : -1);
        }
        return 0;
      });
      
      setData(sortedData);
    } else {
      setData(initialData);
    }
  }, [currentSorting, initialData]);

  return (
    <>
      <DataTable table={table}>
        <DataTableAdvancedToolbar
          table={table}
          filterFields={advancedFilterFields}
          shallow={false}
        >
          <ComplianceResponsesToolbarActions table={table} />
        </DataTableAdvancedToolbar>
      </DataTable>
    </>
  );
}
