import log4js from "logger";
import { oauthManager } from '#server/service/oauth/oauth-manager';
import { createAuthContext } from '#server/service/auth/context';

const logger = log4js.getLogger("OAUTH");

export default defineWrappedResponseHandler(async (event) => {
  const { getCurrent } = createAuthContext(event);
  const user = await getCurrent();

  const providerName = getRouterParam(event, 'provider');
  if (!providerName) {
    logger.warn(`[authorize] Missing provider param`);
    throw createError({
      statusCode: 400,
      statusMessage: 'Provider is required',
    });
  }

  const userId = user?.id;
  logger.info(`[authorize] Generating auth URL: provider=${providerName}, userId=${userId ?? 'anonymous'}, isBinding=${!!userId}`);
  const authUrl = oauthManager.getAuthorizationUrl(providerName, userId);

  return sendRedirect(event, authUrl);
});