// nextcloud's tools — importing nextcloud's own client (novox/hq ADR 0039). occ runs inside the
// container; shares come over OCS. They return structured data; the mesh serves them through the
// sdk's tool harness.

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

export function getNextcloudTools(nextcloud: NextcloudClient): ToolDefinition[] {
  return [
    {
      name: "nextcloud_users",
      description: "List Nextcloud user accounts — uid and display name — via occ.",
      input: {},
      run: async () => {
        const users = nextcloud.listUsers();
        return { count: users.length, users };
      },
    },
    {
      name: "nextcloud_shares",
      description: "List Nextcloud shares — path, type, who it is shared with — via the OCS API.",
      input: {},
      run: async () => {
        const shares = await nextcloud.listShares();
        return { count: shares.length, shares };
      },
    },
    {
      name: "nextcloud_apps",
      description: "List Nextcloud apps, split into enabled and disabled, via occ.",
      input: {},
      run: async () => nextcloud.listApps(),
    },
    {
      name: "nextcloud_occ",
      description:
        "Run an arbitrary occ admin command, e.g. status, 'config:system:get trusted_domains', " +
        "user:list. occ is Nextcloud's CLI inside the container, run as the web user.",
      input: { args: { type: "array", description: 'occ arguments, e.g. ["config:system:get","trusted_domains"]' } },
      run: async (args) => {
        const occArgs = (args.args ?? []) as unknown[];
        if (!Array.isArray(occArgs) || occArgs.length === 0) throw new Error('args must be a non-empty array, e.g. ["status"]');
        return { output: nextcloud.occ(occArgs.map(String)) || "(no output)" };
      },
    },
  ];
}

// The tools exist only when the admin password can be resolved; without it, nextcloud contributes
// none rather than failing the whole tool runtime.
registerModuleTools("nextcloud", (env) => {
  try {
    return getNextcloudTools(NextcloudClient.fromEnv(env));
  } catch {
    return [];
  }
});