import path from "node:path";
import type { CommandRegistry } from "./commandRegistry";
import { isCommandCtor } from "@/utils";
import { Logger } from "tslog";

const logger = new Logger({
  type: "pretty",
  name: "loadCommands",
});

export async function loadCommands(
  registry: CommandRegistry,
  prefix: string,
  pattern = "src/commands/**/*.ts",
): Promise<void> {
  const glob = new Bun.Glob(pattern);

  for await (const file of glob.scan(".")) {
    const absPath = path.resolve(file);

    logger.debug(`Loading "${absPath}"`);

    // Import without caching.
    const mod = await import(Bun.pathToFileURL(absPath).href);

    for (const exported of Object.values(mod)) {
      if (isCommandCtor(exported)) {
        registry.register(prefix, absPath, exported);
      }
    }
  }
}