"use client";

import { type ReactNode, useMemo } from "react";

import {
  type ColumnDef,
  getCoreRowModel,
  type PaginationState,
  useReactTable,
} from "@tanstack/react-table";

import {
  getStandardRowNumber,
  type ScrollMode,
  StandardDataTable,
  type UiHeadProps,
} from "@common/business_components";
import type { UiTableSort } from "@common/business_components/ui/table";

type MapPopupDataTableProps<T extends Record<string, unknown>> = {
  rows: T[];
  headlist: UiHeadProps[];
  title: ReactNode;
  total: number;
  page: number;
  pageSize: number;
  onPageChange: (page: number) => void;
  actions?: ReactNode;
  loading?: boolean;
  scrollMode?: ScrollMode;
  minTableWidth?: string;
  emptyMessage?: string;
  viewPagination?: boolean;
  fillAvailableHeight?: boolean;
  rowId?: (row: T, index: number) => string;
  selectedRowId?: string;
  onRowClick?: (row: T, index: number) => void;
  onCellClick?: (row: T, rowIndex: number, columnId: string) => void;
  clickableHeadIds?: string[];
  renderCell?: (
    row: T,
    headId: string,
    rowIndex: number,
  ) => ReactNode | undefined;
  sort?: UiTableSort;
  onSortChange?: (sort: UiTableSort | undefined) => void;
};

const ROW_NUMBER_IDS = new Set(["no", "rowNo", "rowNumber"]);

const formatCellValue = (value: unknown) => {
  if (value === null || value === undefined || value === "") return "-";
  if (typeof value === "number") return value.toLocaleString("ko-KR");
  return String(value);
};

/** 지도 WindowPopup 목록을 CS 공통 표·순번·페이징 규칙으로 연결한다. */
export default function MapPopupDataTable<T extends Record<string, unknown>>({
  rows,
  headlist,
  title,
  total,
  page,
  pageSize,
  onPageChange,
  actions,
  loading = false,
  scrollMode = "none",
  minTableWidth = "100%",
  emptyMessage,
  viewPagination = true,
  fillAvailableHeight = false,
  rowId,
  selectedRowId,
  onRowClick,
  onCellClick,
  clickableHeadIds,
  renderCell,
  sort,
  onSortChange,
}: MapPopupDataTableProps<T>) {
  const visibleHeads = useMemo(
    () =>
      headlist.filter(
        (head) => head.visible !== false && head.id && head.id.length > 1,
      ),
    [headlist],
  );
  const columns = useMemo<ColumnDef<T>[]>(
    () =>
      visibleHeads.map((head) => ({
        id: head.id,
        accessorFn: (row) => row[head.id],
        header: () => {
          const title = ROW_NUMBER_IDS.has(head.id) ? "순번" : head.title;
          if (!head.sortable || !onSortChange) return title;
          const key = head.sortKey ?? head.id;
          const direction = sort?.key === key ? sort.direction : undefined;
          return (
            <button
              type="button"
              className="inline-flex w-full items-center justify-center gap-1.5"
              aria-label={`${title} 정렬`}
              onClick={() => {
                if (direction === undefined) {
                  onSortChange({ key, direction: "asc" });
                } else if (direction === "asc") {
                  onSortChange({ key, direction: "desc" });
                } else {
                  onSortChange(undefined);
                }
              }}
            >
              <span>{title}</span>
              <span className="text-[8px] leading-none" aria-hidden="true">
                {direction === "asc" ? "▲" : direction === "desc" ? "▼" : "↕"}
              </span>
            </button>
          );
        },
        cell: ({ row, getValue }) => {
          const rowIndex = row.index;
          const rendered = renderCell?.(row.original, head.id, rowIndex);
          const value = ROW_NUMBER_IDS.has(head.id)
            ? getStandardRowNumber({
                total,
                rowIndex,
                pageIndex: page - 1,
                pageSize,
              })
            : rendered === undefined
              ? formatCellValue(getValue())
              : rendered;
          const isClickable =
            Boolean(onCellClick) &&
            (!clickableHeadIds || clickableHeadIds.includes(head.id));

          return isClickable ? (
            <button
              type="button"
              className="w-full cursor-pointer text-inherit"
              onClick={(event) => {
                event.stopPropagation();
                onCellClick?.(row.original, rowIndex, head.id);
              }}
            >
              {value}
            </button>
          ) : (
            value
          );
        },
        meta: {
          align:
            head.align === "left" || head.align === "right"
              ? head.align
              : "center",
          width: head.widthPercent,
        },
      })),
    [
      clickableHeadIds,
      onCellClick,
      page,
      pageSize,
      renderCell,
      sort,
      total,
      visibleHeads,
      onSortChange,
    ],
  );
  const pagination: PaginationState = {
    pageIndex: Math.max(page - 1, 0),
    pageSize,
  };
  const table = useReactTable({
    data: rows,
    columns,
    state: {
      pagination,
      rowSelection: selectedRowId ? { [selectedRowId]: true } : {},
    },
    rowCount: total,
    manualPagination: true,
    getCoreRowModel: getCoreRowModel(),
    getRowId: (row, index) => rowId?.(row, index) ?? String(index),
    onPaginationChange: (updater) => {
      const next =
        typeof updater === "function" ? updater(pagination) : updater;
      if (next.pageIndex === pagination.pageIndex) return;
      onPageChange(next.pageIndex + 1);
    },
  });

  return (
    <StandardDataTable
      table={table}
      title={title}
      actions={actions}
      loading={loading}
      emptyMessage={emptyMessage}
      flushOuterMargin
      className="!w-full !max-w-full"
      scrollMode={scrollMode}
      minTableWidth={minTableWidth}
      viewPagination={viewPagination}
      fillAvailableHeight={fillAvailableHeight}
      onRowClick={
        onRowClick ? (row) => onRowClick(row, rows.indexOf(row)) : undefined
      }
    />
  );
}

export type { MapPopupDataTableProps };