import { Context, Next, send } from "@oak/oak";

export function routeStaticFilesFrom(staticPaths: string[]) {
  return async (context: Context<Record<string, object>>, next: Next) => {
    for (const path of staticPaths) {
      try {
        await send(context, context.request.url.pathname, {
          root: path,
          index: "index.html",
        });
        return;
      } catch {
        continue;
      }
    }

    // SPA fallback: serve index.html so client-side routes work on direct navigation
    await send(context, "/index.html", { root: staticPaths[0] });
    await next();
  };
}