/**
 * CLI Plugin SDK — NPM Registry Client (RFC-0067)
 */

import { execa } from "execa";
import type { PluginSearchResult } from "./types.js";

/**
 * Query npm registry for plugins matching query
 */
export async function searchPlugins(
	query: string,
	registry?: string,
): Promise<PluginSearchResult[]> {
	try {
		const args = ["search", query, "--json", "--prefer-online"];
		if (registry) args.push("--registry", registry);
		const { stdout } = await execa("npm", args);
		const results = JSON.parse(stdout) as Array<{
			name: string;
			version: string;
			description: string;
			downloads?: number;
		}>;
		return results.slice(0, 20).map((r) => ({
			name: r.name,
			version: r.version,
			description: r.description || "",
			downloads: r.downloads ?? 0,
		}));
	} catch {
		return [];
	}
}

/**
 * Get package info from npm
 */
export async function getPackageInfo(
	name: string,
	registry?: string,
): Promise<{ version: string; description: string } | null> {
	try {
		const args = ["view", name, "version", "description", "--json"];
		if (registry) args.push("--registry", registry);
		const { stdout } = await execa("npm", args);
		const info = JSON.parse(stdout);
		return {
			version: info.version ?? "0.0.0",
			description: info.description ?? "",
		};
	} catch {
		return null;
	}
}