import { IDENTIFIER, MONTHS_IN_DAYS } from "./constants";
import {
	getDateDifferenceInDays,
	getFollowRecords,
	getRecentPost,
	resolveIdentity,
} from "./utils";

let cursor: string | undefined;

const unfollows = [];

const doc = await resolveIdentity(IDENTIFIER);

do {
	const { follows, cursor: followCursor } = await getFollowRecords(doc, cursor);

	for (const [index, record] of follows.entries()) {
		const doc = await resolveIdentity(record?.value?.subject);
		const post = await getRecentPost(doc);

		// it's possible that someone has never made a post i guess, we should add them to the list
		if (!post?.records) {
			// neg 1 can represent never made post
			unfollows.push({ did: record?.value?.subject, lastPost: -1, uri: "" });
			continue;
		}
		if (post?.records?.[0]?.value) {
			const recentPostCreationDate = post?.records?.[0].value?.createdAt;
			const daysSinceLastPost = getDateDifferenceInDays(
				new Date(recentPostCreationDate),
				new Date(),
			);
			if (daysSinceLastPost >= MONTHS_IN_DAYS) {
				unfollows.push({
					did: record?.value?.subject,
					lastPost: daysSinceLastPost,
					uri: record?.uri,
				});
			}
		}

		console.clear();
		console.info(`Auditing user [${index + 1} / ${follows.length}]`);
	}

	cursor = followCursor;
} while (cursor);

await Bun.write("follows.json", JSON.stringify(unfollows));
console.info(`wrote ${unfollows.length} accounts to follows.json`);