import SuperTokens from "supertokens-node";
import Session from "supertokens-node/recipe/session";
import Dashboard from "supertokens-node/recipe/dashboard";
import UserRoles from "supertokens-node/recipe/userroles";
import { appInfo } from "./config";
import PasswordlessDevelopmentMode from "./recipes/passwordless-development-mode";
import PasswordlessTwilioVerify from "./recipes/passwordless-twilio-verify";
import { logger } from "./";
import type { TypeInput } from "supertokens-node/types";

export const backendConfig = (): TypeInput => {
  return {
    framework: "custom",
    supertokens: {
      connectionURI:
        process.env.SUPERTOKENS_URI || "https://try.supertokens.io",
      apiKey: process.env.SUPERTOKENS_API_KEY || undefined,
    },
    appInfo,
    recipeList: [
      process.env.NODE_ENV === 'production' 
        ? PasswordlessTwilioVerify.init()
        : PasswordlessDevelopmentMode.init(),
      Session.init({
        cookieSameSite: "lax",
        cookieSecure: process.env.NODE_ENV === "production",
        cookieDomain: process.env.COOKIE_DOMAIN || undefined,
        olderCookieDomain: undefined,
        antiCsrf: process.env.NODE_ENV === "production" ? "VIA_TOKEN" : "NONE",

        sessionExpiredStatusCode: 440,
        invalidClaimStatusCode: 403,

        override: {
          functions: (originalImplementation) => ({
            ...originalImplementation,
            refreshSession: async (input) => {
              logger.info('Backend: Refresh session attempt');
              try {
                const result = await originalImplementation.refreshSession(input);
                logger.info('Backend: Refresh session successful');
                return result;
              } catch (error) {
                logger.error('Backend: Refresh session failed:', error);
                throw error;
              }
            },
          }),
        },

        // Debug only
        exposeAccessTokenToFrontendInCookieBasedAuth: process.env.NODE_ENV !== "production",
      }),
      Dashboard.init(),
      UserRoles.init(),
    ],
    telemetry: process.env.NODE_ENV !== "production",
  };
};

let initialized = false;
export function ensureSuperTokensBackend() {
  if (!initialized && typeof window === 'undefined') {
    SuperTokens.init(backendConfig());
    initialized = true;
    logger.simple("Backend initialized");
  }
}