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path: root/src/lib/Media/anime.ts
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import { get } from 'svelte/store';
import anime from '../../stores/anime';
import { mediaListCollection, type Media, Type } from '../AniList/media';
import lastPruneTimes from '../../stores/lastPruneTimes';
import type { AniListAuthorisation, UserIdentity } from '../AniList/identity';

export const cleanCache = (user: AniListAuthorisation, identity: UserIdentity) => {
	return mediaListCollection(
		user,
		identity,
		Type.Anime,
		get(anime),
		get(lastPruneTimes).anime,
		true
	);
};

export const updateMedia = (id: number, progress: number | undefined, callback: () => void) => {
	fetch(`/api/anilist-increment?id=${id}&progress=${(progress || 0) + 1}`).then(callback);
};

export const totalEpisodes = (anime: Media) => {
	return anime.episodes === null ? '' : `<span style="opacity: 50%">/${anime.episodes}</span>`;
};

export const airingTime = (anime: Media, upcoming = false) => {
	const untilAiring = anime.nextAiringEpisode?.timeUntilAiring;
	let timeFrame;
	const time = new Date(Date.now() + (untilAiring || 0) * 1000).toLocaleTimeString([], {
		hour: 'numeric',
		minute: '2-digit'
	});

	if (untilAiring !== undefined) {
		let minutes = untilAiring / 60;
		let few = true;

		if (minutes >= 30) {
			let hours = minutes / 60;

			if (hours >= 24) {
				let weeks = Math.floor(Math.floor(hours / 24) / 7);

				few = false;

				if (weeks >= 1) {
					weeks = Math.round(weeks);

					timeFrame = `${weeks} week${weeks === 1 ? '' : 's'}`;
				} else {
					const days = Math.round(Math.floor(hours / 24));

					timeFrame = `${days} day${days === 1 ? '' : 's'}`;
				}
			} else {
				hours = Math.round(hours);

				timeFrame = `${hours} hour${hours === 1 ? '' : 's'}`;
			}
		} else {
			minutes = Math.round(minutes);

			timeFrame = `${minutes} minute${minutes === 1 ? '' : 's'}`;
		}

		const opacity = Math.round(100 - (untilAiring / 60 / 60 / 24 / 7) * 50);

		if (upcoming) {
			return `<span style="opacity: ${opacity}%">${anime.nextAiringEpisode?.episode}${totalEpisodes(
				anime
			)} in ${timeFrame} <span style="opacity: 50%">${few ? `(${time})` : ''}</span></span>`;
		} else {
			return `<span style="opacity: ${opacity}%">${anime.nextAiringEpisode?.episode} in ${
				few ? '<b>' : ''
			}${timeFrame}${few ? '</b>' : ''} ${few ? `(${time})` : ''}</span>`;
		}
	}

	return '';
};