"use client";

import { getRelativeTime } from "../lib/getRelativeTime";
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import { Checkbox } from "@/components/ui/checkbox";
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuLabel,
  DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu";
import { Input } from "@/components/ui/input";
import { ScrollArea } from "@/components/ui/scroll-area";
import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from "@/components/ui/table";
import { deleteWorkflow } from "@/server/deleteWorkflow";
import type { getAllUserWorkflow } from "@/server/getAllUserWorkflow";
import type {
  ColumnDef,
  ColumnFiltersState,
  SortingState,
  VisibilityState,
} from "@tanstack/react-table";
import {
  flexRender,
  getCoreRowModel,
  getFilteredRowModel,
  getPaginationRowModel,
  getSortedRowModel,
  useReactTable,
} from "@tanstack/react-table";
import { ArrowUpDown, MoreHorizontal } from "lucide-react";
import * as React from "react";

export type WorkflowItemList = NonNullable<
  Awaited<ReturnType<typeof getAllUserWorkflow>>
>[0];

export const columns: ColumnDef<WorkflowItemList>[] = [
  {
    accessorKey: "id",
    id: "select",
    header: ({ table }) => (
      <Checkbox
        checked={
          table.getIsAllPageRowsSelected() ||
          (table.getIsSomePageRowsSelected() && "indeterminate")
        }
        onCheckedChange={(value) => table.toggleAllPageRowsSelected(!!value)}
        aria-label="Select all"
      />
    ),
    cell: ({ row }) => (
      <Checkbox
        checked={row.getIsSelected()}
        onCheckedChange={(value) => row.toggleSelected(!!value)}
        aria-label="Select row"
      />
    ),
    enableSorting: false,
    enableHiding: false,
  },
  {
    accessorKey: "name",
    header: ({ column }) => {
      return (
        <button
          className="flex items-center hover:underline"
          onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
        >
          Name
          <ArrowUpDown className="ml-2 h-4 w-4" />
        </button>
      );
    },
    cell: ({ row }) => {
      const workflow = row.original;
      return (
        <a
          className="hover:underline flex gap-2"
          href={`/workflows/${workflow.id}`}
        >
          <span className="truncate max-w-[200px]">{row.original.name}</span>

          <Badge variant="default">v{row.original.versions[0]?.version}</Badge>
          {workflow.deployments?.[0] && <Badge variant="success">Public</Badge>}
        </a>
      );
    },
  },
  {
    accessorKey: "creator",
    header: ({ column }) => {
      return (
        <button
          className="flex items-center hover:underline"
          onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
        >
          Creator
          <ArrowUpDown className="ml-2 h-4 w-4" />
        </button>
      );
    },
    cell: ({ row }) => {
      return <Badge variant="cyan">{row.original.user.name}</Badge>;
    },
  },
  {
    accessorKey: "date",
    sortingFn: "datetime",
    enableSorting: true,
    header: ({ column }) => {
      return (
        <button
          className="w-full flex items-center justify-end hover:underline truncate"
          // variant="ghost"
          onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
        >
          Update Date
          <ArrowUpDown className="ml-2 h-4 w-4" />
        </button>
      );
    },
    cell: ({ row }) => (
      <div className="w-full capitalize text-right truncate">
        {getRelativeTime(row.original.updated_at)}
      </div>
    ),
  },
  {
    id: "actions",
    enableHiding: false,
    cell: ({ row }) => {
      const workflow = row.original;

      return (
        <DropdownMenu>
          <DropdownMenuTrigger asChild>
            <Button variant="ghost" className="h-8 w-8 p-0">
              <span className="sr-only">Open menu</span>
              <MoreHorizontal className="h-4 w-4" />
            </Button>
          </DropdownMenuTrigger>
          <DropdownMenuContent align="end">
            <DropdownMenuLabel>Actions</DropdownMenuLabel>
            <DropdownMenuItem
              className="text-destructive"
              onClick={() => {
                deleteWorkflow(workflow.id);
              }}
            >
              Delete Workflow
            </DropdownMenuItem>
          </DropdownMenuContent>
        </DropdownMenu>
      );
    },
  },
];

export function WorkflowList({ data }: { data: WorkflowItemList[] }) {
  const [sorting, setSorting] = React.useState<SortingState>([]);
  const [columnFilters, setColumnFilters] = React.useState<ColumnFiltersState>(
    []
  );
  const [columnVisibility, setColumnVisibility] =
    React.useState<VisibilityState>({});
  const [rowSelection, setRowSelection] = React.useState({});

  const table = useReactTable({
    data,
    columns,
    onSortingChange: setSorting,
    onColumnFiltersChange: setColumnFilters,
    getCoreRowModel: getCoreRowModel(),
    getPaginationRowModel: getPaginationRowModel(),
    getSortedRowModel: getSortedRowModel(),
    getFilteredRowModel: getFilteredRowModel(),
    onColumnVisibilityChange: setColumnVisibility,
    onRowSelectionChange: setRowSelection,
    state: {
      sorting,
      columnFilters,
      columnVisibility,
      rowSelection,
    },
  });

  return (
    <div className="grid grid-rows-[auto,1fr,auto] h-full">
      <div className="flex flex-row w-full items-center py-4">
        <Input
          placeholder="Filter workflows..."
          value={(table.getColumn("name")?.getFilterValue() as string) ?? ""}
          onChange={(event) =>
            table.getColumn("name")?.setFilterValue(event.target.value)
          }
          className="max-w-sm"
        />
      </div>
      <ScrollArea className="h-full w-full rounded-md border">
        <Table>
          <TableHeader className="bg-background top-0 sticky">
            {table.getHeaderGroups().map((headerGroup) => (
              <TableRow key={headerGroup.id}>
                {headerGroup.headers.map((header) => {
                  return (
                    <TableHead key={header.id}>
                      {header.isPlaceholder
                        ? null
                        : flexRender(
                            header.column.columnDef.header,
                            header.getContext()
                          )}
                    </TableHead>
                  );
                })}
              </TableRow>
            ))}
          </TableHeader>
          <TableBody>
            {table.getRowModel().rows?.length ? (
              table.getRowModel().rows.map((row) => (
                <TableRow
                  key={row.id}
                  data-state={row.getIsSelected() && "selected"}
                >
                  {row.getVisibleCells().map((cell) => (
                    <TableCell key={cell.id}>
                      {flexRender(
                        cell.column.columnDef.cell,
                        cell.getContext()
                      )}
                    </TableCell>
                  ))}
                </TableRow>
              ))
            ) : (
              <TableRow>
                <TableCell
                  colSpan={columns.length}
                  className="h-24 text-center"
                >
                  No results.
                </TableCell>
              </TableRow>
            )}
          </TableBody>
        </Table>
      </ScrollArea>
      <div className="flex flex-row items-center justify-end space-x-2 py-4">
        <div className="flex-1 text-sm text-muted-foreground">
          {table.getFilteredSelectedRowModel().rows.length} of{" "}
          {table.getFilteredRowModel().rows.length} row(s) selected.
        </div>
        <div className="space-x-2">
          <Button
            variant="outline"
            size="sm"
            onClick={() => table.previousPage()}
            disabled={!table.getCanPreviousPage()}
          >
            Previous
          </Button>
          <Button
            variant="outline"
            size="sm"
            onClick={() => table.nextPage()}
            disabled={!table.getCanNextPage()}
          >
            Next
          </Button>
        </div>
      </div>
    </div>
  );
}