import { Button } from "@/components/ui/button";
import {
  Dialog,
  DialogClose,
  DialogContent,
  DialogFooter,
  DialogHeader,
  DialogTitle,
} from "@/components/ui/dialog";
import { Spinner } from "@/components/ui/spinner";
import { FileType, getFilePage } from "@/apis/file";
import { Folder, FolderInput, MoveRight } from "lucide-react";
import clsx from "clsx";
import { Alert, AlertDescription, AlertTitle } from "@/components/ui/alert";
import { DirectoryBreadcrumb } from "@/components/directory-breadcrumb";
import { DataTable } from "@/components/data-table";
import { Pagination } from "@/components/pagination";
import { useMoveFile } from "@/hooks/use-move-flie";
import { useEffect, useMemo, useState } from "react";
import { getCoreRowModel, useReactTable } from "@tanstack/react-table";
import { useQuery } from "@tanstack/react-query";

export function useColumns(handleChangeParentId: any) {
  return [
    {
      accessorKey: "fileName",
      header: "目录名",
      size: 200,
      cell: ({ row }: any) => (
        <div
          className={clsx(
            "w-full flex items-center gap-1 break-all",
            "cursor-pointer hover:underline hover:text-primary group",
          )}
          onClick={() => {
            handleChangeParentId(row?.original);
          }}
        >
          <Folder size={18} className="text-amber-500 group-hover:hidden" />
          <FolderInput
            size={18}
            className="text-amber-500 group-hover:block hidden"
          />
          <span>{row.getValue("fileName")}</span>
        </div>
      ),
    },
  ];
}

type MoveFileDialogProps = {
  open: boolean;
  setOpen: (open: boolean) => void;
  data?: any;
  refetch?: () => void;
  params: any;
};

export function MoveFileDialog({
  open,
  setOpen,
  data,
  refetch,
  params,
}: MoveFileDialogProps) {
  // 选中行
  const [rowSelection, setRowSelection] = useState({});
  // 当前打开的目录层级
  const [openDirectorys, setOpenDirectorys] = useState<any[]>([]);
  // 文件目录ID
  const [parentId, setParentId] = useState(0);
  // 分页
  const [pagination, setPagination] = useState({
    pageIndex: 0,
    pageSize: 10,
  });

  // 查询数据
  const query = useQuery<any>({
    queryKey: ["moveFiles", pagination, parentId, params],
    queryFn: () =>
      getFilePage({
        ...params,
        parentId: parentId || 0,
        pageSize: pagination.pageSize,
        pageNo: pagination.pageIndex + 1,
        fileType: FileType.DIRECTORY,
      }).then((res) => res.data),
    enabled: open,
  });

  // 切换上级ID
  const handleChangeParentId = (record: any) => {
    setParentId(record.id);
    // 重置分页
    table.setPageIndex(0);
    // @ts-ignore
    setOpenDirectorys((prev: any) => [...prev, record]);
    // 重置选中数据
    table.resetRowSelection();
  };

  // 过滤当前目录
  const list = useMemo(
    () =>
      query?.data?.entityList?.filter((item: any) => item.id !== data?.id) ||
      [],
    [query, data],
  );
  // 表格
  const columns = useColumns(handleChangeParentId);
  const table = useReactTable({
    data: list,
    columns,
    getCoreRowModel: getCoreRowModel(),
    manualPagination: false,
    rowCount: query?.data?.totalCount || 0,
    pageCount: query?.data?.pageCount || 0,
    onPaginationChange: setPagination,
    autoResetPageIndex: false,
    onRowSelectionChange: setRowSelection,
    state: {
      pagination,
      rowSelection,
    },
  });

  const changeOpenDirectorys = (record?: any) => {
    setParentId(record?.id);
    // 重置分页
    table.setPageIndex(0);
    // @ts-ignore
    setOpenDirectorys((prev: any[]) => {
      const index = prev.findIndex((item: any) => item.id === record?.id);
      if (index > -1) {
        return [...prev.slice(0, index + 1)];
      }
      return [];
    });
    // 重置选中数据
    table.resetRowSelection();
  };

  // 重置
  const reset = () => {
    setParentId(0);
    // 重置分页
    table.setPageIndex(0);
    // @ts-ignore
    setOpenDirectorys([]);
    // 重置选中数据
    table.resetRowSelection();
  };

  const { move, moveIsPending } = useMoveFile({
    onSuccess: () => {
      refetch?.();
      setOpen(false);
    },
  });

  const handleSubmit = () => {
    move({
      ...data,
      parentId,
    });
  };

  useEffect(() => {
    if (open) {
      reset();
    }
  }, [open]);

  const currentDirectory = useMemo(
    () => openDirectorys?.[openDirectorys?.length - 1],
    [openDirectorys],
  );

  return (
    <Dialog open={open} onOpenChange={setOpen}>
      <DialogContent className="w-[680px]">
        <DialogHeader>
          <DialogTitle>
            {data?.fileType === FileType.DIRECTORY ? "移动目录" : "移动文件"}
          </DialogTitle>
        </DialogHeader>

        <div className="overflow-hidden space-y-2">
          <DirectoryBreadcrumb
            directorys={openDirectorys}
            onChangeDirectorys={changeOpenDirectorys}
          />
          <div className="max-h-[400px] overflow-y-auto relative border rounded-lg">
            <DataTable table={table} query={query} />
            <Pagination
              table={table}
              simple
              className="p-2 justify-end sticky bottom-0 left-0 right-0 z-10 bg-white"
            />
          </div>
        </div>

        <div className="flex items-center gap-2 text-sm overflow-hidden">
          <span className="flex-1 overflow-hidden text-primary clamp-1 truncate p-2 rounded-lg bg-gray-100">
            {data?.fileName}
          </span>
          <MoveRight size={16} className="flex-none" />
          <span className="flex-1 overflow-hidden text-amber-500 clamp-1 truncate inline-flex items-center gap-1 p-2 rounded-lg bg-gray-100">
            <Folder size={16} className="flex-none " />
            {currentDirectory?.fileName || "根目录"}
          </span>
        </div>

        <Alert className="!bg-amber-50 !border-amber-200">
          <AlertTitle>
            您确定要将{data?.fileType === FileType.DIRECTORY ? "目录" : "文件"}
            移动到该目录下吗？
          </AlertTitle>
          <AlertDescription>
            如果是目录，则目录下的所有文件和子目录都会被移动
          </AlertDescription>
        </Alert>

        <DialogFooter>
          <DialogClose asChild>
            <Button variant="outline">取消</Button>
          </DialogClose>
          <Button type="submit" disabled={moveIsPending} onClick={handleSubmit}>
            {moveIsPending && <Spinner />}确定
          </Button>
        </DialogFooter>
      </DialogContent>
    </Dialog>
  );
}