import { logger } from "$lib/logger";
import { sequence } from "@sveltejs/kit/hooks";
import { startupHandle } from "./server-hooks/startupHandle";
import { corsHandle } from "./server-hooks/corsHandle";
import { loggingHandle } from "./server-hooks/loggingHandle";
import { rateLimitHandle } from "./server-hooks/rateLimitHandle";
import { secHeaderHandle } from "./server-hooks/secHeaderHandle";
import { apiAuthHandle } from "./server-hooks/apiAuthHandle";
import { authGuard } from "./server-hooks/authGuard";
import { i18nHandle } from "./server-hooks/i18nHandle";
import { building } from "$app/environment";

type Error = {
  message?: string;
  stack?: string;
};

export async function handleError({ error, event, status, message }) {
  const errorLogger = logger.setContext("ERROR_HANDLER");

  errorLogger.error("Unhandled error occurred", {
    error: (error as Error).message,
    stack: (error as Error).stack,
    status,
    message,
    url: event.url.pathname,
    method: event.request.method,
    userAgent: event.request.headers.get("user-agent"),
    ip: !building ? event.getClientAddress() : "server",
  });

  return {
    message: "Internal server error occurred",
  };
}

export const handle = sequence(
  startupHandle,
  loggingHandle,
  i18nHandle,
  rateLimitHandle,
  corsHandle,
  secHeaderHandle,
  apiAuthHandle,
  authGuard,
);