'use server';

import { NextResponse } from "next/server";
import { getServerSession } from "next-auth";
import { getKeycloakIdpToken, getPatreonMemberships } from "@/app/lib/patreon";
import { syncronizeKeycloakRoles } from '@/app/lib/keycloak';
import { authOptions } from "@/app/lib/auth";

export async function GET(req: Request, res: Response) {
  
  console.log('lets run getServerSession()')


  // @TODO @TODO @TODO @todo @todo @todo THE PROBLEM IS WITH getServerSession()!!!!
  //   or rather, the JWE we generated in middleware.ts is invalid and the error is manifesting within the getServerSession() invocation.
  const session = await getServerSession(authOptions);
  // console.log('session as follows')
  // console.log(session)

  if (session) {

    let keycloakIdpToken, patreonTiersList

    if (!session.token?.access_token) {
      console.error('session.token.access_token was missing')
      return NextResponse.json({ error: `Failed to get access token from Session`}, { status: 500 })
    }

    try {
      keycloakIdpToken = await getKeycloakIdpToken(session.token.access_token)
    } catch (e) {
      return NextResponse.json({ error: `Failed to get Patreon token (Keycloak IDP). e=${e}`}, { status: 401 })
    }
    
    try {
      patreonTiersList = await getPatreonMemberships(keycloakIdpToken)
    } catch (e) {
      return NextResponse.json({ error: `Failed to get patreon memberships. e=${e}`}, { status: 401 })
    }


    // side effect which grants the appropriate keycloak roles to the user
    try {
      await syncronizeKeycloakRoles(session.user.id, patreonTiersList)
    } catch (e) {
      return NextResponse.json({ error: `Failed to syncronize roles` }, { status: 500 })
    }


    return NextResponse.json(patreonTiersList);
  }
  return NextResponse.json({ error: "You must be logged in." }, { status: 401 });
}