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path: root/src/commands/moulberry-bush/capes.ts
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import {
	AllowedMentions,
	BotCommand,
	ButtonPaginator,
	clientSendAndPermCheck,
	colors,
	DeleteButton,
	emojis,
	format,
	mappings,
	type CommandMessage,
	type OptArgType,
	type SlashMessage
} from '#lib';
import assert from 'assert/strict';
import { ApplicationCommandOptionType, PermissionFlagsBits, type APIEmbed, type AutocompleteInteraction } from 'discord.js';
import { default as Fuse } from 'fuse.js';

assert(Fuse);

export default class CapesCommand extends BotCommand {
	public constructor() {
		super('capes', {
			aliases: ['capes', 'cape'],
			category: "Moulberry's Bush",
			description: 'A command to see what a cape looks like.',
			usage: ['capes [cape]'],
			examples: ['capes', 'cape space'],
			args: [
				{
					id: 'cape',
					description: 'The cape to view.',
					type: 'string',
					prompt: 'What cape would you like to see?',
					retry: '{error} Choose a cape to see.',
					optional: true,
					slashType: ApplicationCommandOptionType.String,
					autocomplete: true
				}
			],
			slash: true,
			clientPermissions: (m) => clientSendAndPermCheck(m, [PermissionFlagsBits.EmbedLinks], true),
			userPermissions: []
		});
	}

	public override async exec(message: CommandMessage | SlashMessage, args: { cape: OptArgType<'string'> }) {
		const { tree: neuFileTree }: GithubTreeApi = await fetch(
			'https://api.github.com/repos/NotEnoughUpdates/NotEnoughUpdates/git/trees/master?recursive=1'
		).then((p) => (p.ok ? p.json() : { tree: [] }));
		const rawCapes = neuFileTree
			.map((f) => ({
				match: f.path.match(/src\/main\/resources\/assets\/notenoughupdates\/capes\/(?<name>\w+)_preview\.png/),
				f
			}))
			.filter((f) => f.match !== null);

		const capes: { name: string; url: string; index: number; purchasable?: boolean }[] = [
			...mappings.capes
				.filter((c) => !rawCapes.some((gitCape) => gitCape.match!.groups!.name === c.name) && c.custom)
				.map((c) => ({ name: c.name, url: c.custom!, index: c.index, purchasable: c.purchasable })),
			...rawCapes.map((c) => {
				const mapCape = mappings.capes.find((a) => a.name === c.match!.groups!.name);
				const url = mapCape?.custom ?? `https://github.com/NotEnoughUpdates/NotEnoughUpdates/raw/master/${c.f.path}`;
				const index = mapCape?.index !== undefined ? mapCape.index : null;
				return { name: c.match!.groups!.name, url, index: index!, purchasable: mapCape?.purchasable };
			})
		].sort((a, b) => {
			if (a?.index !== undefined && b.index !== undefined) return a.index - b?.index;
			else if (a.index === undefined) return 1;
			else if (b.index === undefined) return -1;
			return 0;
		});

		if (args.cape) {
			const cape = capes.find((s_cape) => s_cape.name === args.cape);
			if (cape) {
				const embed = this.makeEmbed(cape);
				await DeleteButton.send(message, { embeds: [embed] });
			} else {
				await message.util.reply({
					content: `${emojis.error} Cannot find a cape called ${format.input(args.cape)}.`,
					allowedMentions: AllowedMentions.none()
				});
			}
		} else {
			const embeds: APIEmbed[] = capes.map(this.makeEmbed);
			await ButtonPaginator.send(message, embeds, null);
		}
	}

	private makeEmbed(cape: { name: string; url: string; index: number; purchasable?: boolean | undefined }): APIEmbed {
		return {
			title: `${cape.name} cape`,
			color: colors.default,
			timestamp: new Date().toISOString(),
			image: { url: cape.url },
			description: cape.purchasable
				? ':money_with_wings: **purchasable** (with preexisting cape points) :money_with_wings:'
				: undefined
		};
	}

	public override autocomplete(interaction: AutocompleteInteraction) {
		const capes = mappings.capes.map((v) => v.name);

		const fuzzy = new Fuse(capes, {
			threshold: 0.5,
			isCaseSensitive: false,
			findAllMatches: true
		}).search(interaction.options.getFocused().toString());

		const res = (fuzzy.length ? fuzzy : capes.map((c) => ({ item: c })))
			.slice(0, fuzzy.length >= 25 ? 25 : undefined)
			.map((v) => ({ name: v.item, value: v.item }));

		void interaction.respond(res);
	}
}

export interface GithubFile {
	path: string;
	mode: string;
	type: string;
	sha: string;
	size: number;
	url: string;
}

export interface GithubBlob {
	encoding: string;
	content: string;
	sha: string;
	node_id: string;
	url: string;
	size: number;
}

export interface GithubTreeApi {
	sha: string;
	url: string;
	tree: GithubFile[];
	truncated: boolean;
}