import fs from 'fs';
import path from 'path';

export interface ActionDefinition {
  template: string;
  params?: string[];
}

export interface ActionCatalog {
  _comment?: string;
  _version?: string;
  _targetGroup?: string;
  actions: Record<string, ActionDefinition>;
}

const CATALOG_PATH = path.join(__dirname, 'catalog.json');

let cachedCatalog: ActionCatalog | null = null;

export function loadActionCatalog(forceReload = false): ActionCatalog {
  if (cachedCatalog && !forceReload) {
    return cachedCatalog;
  }

  const raw = fs.readFileSync(CATALOG_PATH, 'utf-8');
  cachedCatalog = JSON.parse(raw);
  return cachedCatalog!;
}

export function getAction(actionKey: string): ActionDefinition | undefined {
  const catalog = loadActionCatalog();
  return catalog.actions[actionKey];
}