import { createLogger } from "@/lib/logger";

export async function register() {
  // Only the Node.js server runtime touches better-sqlite3; the Edge
  // middleware runtime must never import this module.
  if (process.env.NEXT_RUNTIME === "nodejs") {
    const { runMigrations } = await import("@/lib/db/migrate");
    runMigrations();
  }
}

export async function onRequestError(
  error: unknown,
  request: { path: string; method: string; headers: Record<string, string | string[]> },
  context: { routerKind: string; routePath: string; routeType: string },
) {
  const log = createLogger("uncaught");

  // Safety net for errors that escape a route handler's own try/catch (e.g. a
  // bug in code that never reaches withRouteLogging, or a rendering error) -
  // route handlers wrapped in withRouteLogging already log and convert their
  // own errors to a JSON 500, so this rarely double-logs the same failure.
  const digest = typeof error === "object" && error !== null && "digest" in error ? String(error.digest) : undefined;
  log.error("unhandled error", {
    message: error instanceof Error ? error.message : String(error),
    digest,
    stack: error instanceof Error ? error.stack : undefined,
    path: request.path,
    method: request.method,
    routePath: context.routePath,
    routeType: context.routeType,
  });
}