import type { HonoRequest } from "hono";
import { DateTime } from "luxon";

import {
  addUnreleasedTitle,
  removeUnreleasedTitle,
} from "~/models/unreleasedTitles";
import type { Env } from "~/types/env";

import { getNextEpisodeTimeUntilAiring } from "./anilist/getNextEpisodeAiringAt";
import { getCurrentDomain } from "./getCurrentDomain";
import { queueTask } from "./tasks/queueTask";

export async function maybeScheduleNextAiringEpisode(
  env: Env,
  req: HonoRequest,
  aniListId: number,
) {
  const domain = getCurrentDomain(req);
  if (!domain) {
    return;
  }

  const { nextAiring, status } = await getNextEpisodeTimeUntilAiring(aniListId);
  if (
    !nextAiring ||
    DateTime.fromSeconds(nextAiring.airingAt).diffNow("hours").hours >= 720
  ) {
    if (status === "NOT_YET_RELEASED") {
      await addUnreleasedTitle(env, aniListId);
    }

    return;
  }

  const { airingAt, episode: nextEpisode } = nextAiring;
  await queueTask(
    env,
    "new-episode",
    { aniListId, episodeNumber: nextEpisode },
    { req, scheduleConfig: { epochTime: airingAt } },
  );
  await removeUnreleasedTitle(env, aniListId);
}