import { env } from "cloudflare:workers";
import { graphql } from "gql.tada";
import { GraphQLError } from "graphql";

import type { GraphQLContext } from "~/graph~/context";
import { MediaFragment } from "~/types/title/mediaFragment";

enum HomeCategory {
  WATCHING,
  PLANNING,
}

export async function home(
  _parent: any,
  args: { category: HomeCategory; page?: number },
  context: GraphQLContext,
) {
  const { category, page = 1 } = args;
  const { user, aniListToken } = context;
  let statusFilters: string[] = [];
  switch (category) {
    case HomeCategory.WATCHING:
      statusFilters = ["CURRENT"];
      break;
    case HomeCategory.PLANNING:
      statusFilters = ["PLANNING", "PAUSED", "REPEATING"];
      break;
  }

  const stub = await env.ANILIST_DO.getByName("GLOBAL");
  const response = await stub.getTitles(
    user?.name,
    page,
    statusFilters,
    aniListToken,
  );

  if (!response) {
    throw new GraphQLError(`Failed to fetch ${category} titles`, {
      extensions: { code: "INTERNAL_SERVER_ERROR" },
    });
  }

  return response;
}