import type { DataSource } from "./types.js";

const collectors = new Map<string, (config?: Record<string, any>) => DataSource>();

export function registerCollector(
  name: string,
  factory: (config?: Record<string, any>) => DataSource
): void {
  collectors.set(name, factory);
}

export function getCollector(
  name: string,
  config?: Record<string, any>
): DataSource {
  const factory = collectors.get(name);
  if (!factory) {
    throw new Error(
      `Unknown collector: ${name}. Available: ${[...collectors.keys()].join(", ")}`
    );
  }
  return factory(config);
}

export function listCollectorNames(): string[] {
  return [...collectors.keys()];
}