import {
  Container,
  Heading,
  IconButton,
  Link,
  Table,
  TableCaption,
  TableContainer,
  Tbody,
  Td,
  Th,
  Thead,
  Tr,
  useToast,
} from "@chakra-ui/react";
import { useLoaderData } from "@remix-run/react";

export function meta() {
  return [
    {
      title: "Short Link Manager - Car Crushers",
    },
  ];
}

export async function loader({ context }: { context: RequestContext }) {
  const userId = context.data.current_user?.id;

  if (!userId)
    throw new Response(null, {
      status: 401,
    });

  if (
    typeof [0, 2, 4, 5, 6, 7, 9, 10, 11, 12].find(
      (i) => context.data.current_user.permissions & (1 << i),
    ) === "undefined"
  )
    throw new Response(null, {
      status: 403,
    });

  const { results } = await context.env.D1.prepare(
    "SELECT destination, path FROM short_links WHERE user = ?;",
  )
    .bind(userId)
    .all();

  return results as Record<string, string>[];
}

export default function () {
  const data = useLoaderData<typeof loader>();
  const toast = useToast();

  async function deleteLink(path: string) {
    const deleteResp = await fetch(
      `/api/short-links/${encodeURIComponent(path)}`,
      {
        method: "DELETE",
      },
    );

    if (!deleteResp.ok) {
      let error = "Unknown error";

      try {
        error = ((await deleteResp.json()) as { error: string }).error;
      } catch {}

      toast({
        description: error,
        status: "error",
        title: "Failed to delete link",
      });

      return;
    }

    toast({
      description: `Link ${path} was successfully deleted.`,
      onCloseComplete: () => location.reload(),
      status: "success",
      title: "Deleted",
    });
  }

  return (
    <Container maxW="container.lg">
      <Heading mb={8}>Short Links</Heading>
      <TableContainer mx="16px">
        <Table variant="simple">
          <TableCaption>Your short links</TableCaption>
          <Thead>
            <Tr>
              <Th>Destination</Th>
              <Th>Code</Th>
              <Th>Delete</Th>
            </Tr>
          </Thead>
          <Tbody>
            {data.map((entry) => {
              return (
                <Tr>
                  <Td>{entry.destination}</Td>
                  <Td
                    onClick={() => {
                      navigator.clipboard.writeText(
                        encodeURIComponent(
                          `https://carcrushe.rs/${entry.path}`,
                        ),
                      );
                      alert("Link copied");
                    }}
                  >
                    https://carcrushe.rs/{entry.path}
                  </Td>
                  <Td>
                    <IconButton
                      aria-label="Delete link"
                      colorScheme="red"
                      icon={
                        <svg
                          xmlns="http://www.w3.org/2000/svg"
                          width="16"
                          height="16"
                          fill="currentColor"
                          viewBox="0 0 16 16"
                        >
                          <path d="M5.5 5.5A.5.5 0 0 1 6 6v6a.5.5 0 0 1-1 0V6a.5.5 0 0 1 .5-.5m2.5 0a.5.5 0 0 1 .5.5v6a.5.5 0 0 1-1 0V6a.5.5 0 0 1 .5-.5m3 .5a.5.5 0 0 0-1 0v6a.5.5 0 0 0 1 0z" />
                          <path d="M14.5 3a1 1 0 0 1-1 1H13v9a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V4h-.5a1 1 0 0 1-1-1V2a1 1 0 0 1 1-1H6a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1h3.5a1 1 0 0 1 1 1zM4.118 4 4 4.059V13a1 1 0 0 0 1 1h6a1 1 0 0 0 1-1V4.059L11.882 4zM2.5 3h11V2h-11z" />
                        </svg>
                      }
                      onClick={async () => await deleteLink(entry.path)}
                    />
                  </Td>
                </Tr>
              );
            })}
          </Tbody>
        </Table>
      </TableContainer>
      <Link href="/short-links/create" mt="8px">
        Create a new link
      </Link>
    </Container>
  );
}