import { Link, useLoaderData, useNavigate, useRevalidator } from "react-router";
import {
  createStory,
  deleteStory,
  emptyDoc,
  listStories,
  type StorySummary,
} from "../lib/stories";

export const buildListLoader = () => listStories(true);

export function BuildList() {
  const stories = useLoaderData() as StorySummary[];
  const navigate = useNavigate();
  const { revalidate } = useRevalidator();

  async function create() {
    const { story } = await createStory({
      title: "Untitled adventure",
      description: "",
      doc: emptyDoc(),
    });
    navigate(`/build/${story.id}`);
  }

  async function remove(s: StorySummary) {
    if (!confirm(`Delete "${s.title}"? This cannot be undone.`)) return;
    await deleteStory(s.id);
    await revalidate();
  }

  return (
    <section>
      <h1>Your stories</h1>
      <p>
        <button onClick={create}>New story</button>
      </p>
      <ul className="cards">
        {stories.map((s) => (
          <li key={s.id}>
            <h2>
              {s.title}{" "}
              <span className="badge">
                {s.published ? "published" : "draft"}
              </span>
            </h2>
            <small>{s.nodeCount} scenes</small>{" "}
            <Link className="button" to={`/build/${s.id}`}>
              Edit
            </Link>{" "}
            <button className="link" onClick={() => remove(s)}>
              Delete
            </button>
          </li>
        ))}
      </ul>
    </section>
  );
}