// bookshelf's tools — ported from the shared hal `arr` sdk (novox/hq ADR 0039), importing
// bookshelf's own client. They return structured data (not the pre-formatted text hal returned); the
// mesh serves them through the sdk's tool harness. Bookshelf has no calendar endpoint, so there is
// no calendar tool — matching hal, which excluded it from its calendar-capable apps.

import { registerModuleTools, type ToolDefinition } from "@novox/mesh-sdk/tools";
import { BookshelfClient } from "../client.js";

export function getBookshelfTools(bookshelf: BookshelfClient): ToolDefinition[] {
  return [
    {
      name: "bookshelf_status",
      description: "Bookshelf status overview: version, book count, monitored count, queue size.",
      input: {},
      run: async () => {
        const [status, content, queue] = await Promise.all([
          bookshelf.getStatus(),
          bookshelf.getContent(),
          bookshelf.getQueue(),
        ]);
        return {
          app: status.appName,
          version: status.version,
          books: content.length,
          monitored: content.filter((c) => c.monitored).length,
          queue: queue.totalRecords,
        };
      },
    },
    {
      name: "bookshelf_library",
      description: "List books from the Bookshelf library.",
      input: { limit: { type: "number", description: "max items to return (default 50)" } },
      run: async (args) => {
        const items = await bookshelf.getContent(args.limit ? Number(args.limit) : 50);
        return { count: items.length, books: items };
      },
    },
    {
      name: "bookshelf_search",
      description:
        "Search the Bookshelf library for books by title or author (filters existing content, not indexers).",
      input: { query: { type: "string", description: "the search term" } },
      run: async (args) => {
        const query = String(args.query);
        return { query, results: await bookshelf.searchContent(query) };
      },
    },
    {
      name: "bookshelf_queue",
      description: "Show the Bookshelf download queue — what is downloading and how far along.",
      input: {},
      run: async () => {
        const queue = await bookshelf.getQueue();
        return { count: queue.totalRecords, items: queue.items };
      },
    },
  ];
}

// The tools exist only when Bookshelf is configured; without a URL and key, bookshelf contributes
// none rather than failing the whole runtime.
registerModuleTools("bookshelf", (env) => {
  try {
    return getBookshelfTools(BookshelfClient.fromEnv(env));
  } catch {
    return [];
  }
});