// registry's tools — moved here from the shared sdk (novox/hq ADR 0044), importing registry's own
// client. They return structured data; the mesh serves them through the sdk's tool harness.

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

export function getRegistryTools(registry: RegistryClient): ToolDefinition[] {
  return [
    {
      name: "registry_list",
      description: "List every repository in the Docker registry (the catalog).",
      input: {},
      run: async () => {
        const repositories = await registry.listRepositories();
        return { count: repositories.length, repositories };
      },
    },
    {
      name: "registry_tags",
      description: "List the tags of one repository in the Docker registry.",
      input: { repo: { type: "string", description: "the repository name, e.g. 'novox/mesh'" } },
      run: async (args) => {
        const repo = String(args.repo);
        const tags = await registry.listTags(repo);
        return { repo, count: tags.length, tags };
      },
    },
    {
      name: "registry_delete_image",
      description:
        "Delete an image tag from the registry (DESTRUCTIVE). Removes the manifest; storage is reclaimed by garbage collection later. Requires confirm: true.",
      input: {
        repo: { type: "string", description: "the repository name, e.g. 'novox/mesh'" },
        tag: { type: "string", description: "the tag to delete, e.g. 'latest'" },
        confirm: { type: "boolean", description: "must be true to actually delete" },
      },
      run: async (args) => {
        const repo = String(args.repo);
        const tag = String(args.tag);
        if (args.confirm !== true) {
          return { deleted: false, reason: "confirm must be true to delete an image" };
        }
        const digest = await registry.getManifestDigest(repo, tag);
        await registry.deleteManifest(repo, digest);
        return { deleted: true, repo, tag, digest, note: "run registry garbage collection to reclaim storage" };
      },
    },
  ];
}

// The tools exist only when a registry URL is configured; otherwise registry contributes none
// rather than failing the whole runtime.
registerModuleTools("registry", (env) => {
  try {
    return getRegistryTools(RegistryClient.fromEnv(env));
  } catch {
    return [];
  }
});