directive @auth(
  requires: Role = SUBSCRIBER
  isOwner: Boolean = false
) on FIELD_DEFINITION | QUERY

type Query {
  me: User @auth
  users: [User!]! @auth(requires: ADMIN)
}

export class IsAuthenticated extends SchemaDirectiveVisitor {
  public visitFieldDefinition(field: GraphQLField<any, any>, details) {
    console.log('DETAILS', details.objectType);
    // console.log('SchemaVisitorArgs', this.args);
    const requiredRole = this.args.requires;

    const { resolve = defaultFieldResolver } = field;

    field.resolve = async function(...resolveArgs) {
      const [source, args, ctx, info] = resolveArgs;
      console.log('SOURCE INSIDE FIELD RESOLVE', source);
      console.log('ARGS INSIDE FIELD RESOLVE', args);
      console.log('INFO INSIDE FIELD RESOLVE', info.fieldNodes);

      const { userId, role } = validateJwt(ctx);

      const isOwner = await ctx.db.exists[Type]({
        where: {
          author: id,
        },
      });

      console.log('USER ID + ROLE FROM JWT', userId, role);

      if (role !== requiredRole) {
        throw new Error(`You must be a ${requiredRole}`);
      }

      ctx.id = userId;

      const result = await resolve.apply(this, resolveArgs);
      return result;
    };
  }
}