import { NDKEvent, type NDKEventId, NDKKind } from '@nostr-dev-kit/ndk';

export class FolderLabel {
	id: NDKEventId;
	name: string;
	icon: string;

	constructor() {
		this.id = '';
		this.name = '';
		this.icon = '';
	}

	static async fromDecryptedMessage(
		decryptedMessage: NDKEvent,
		encryptedMessage: NDKEvent
	): Promise<FolderLabel> {
		if (decryptedMessage.kind !== NDKKind.Label) throw new Error('Not a label');
		let labelType = decryptedMessage.tags.find((t) => t[0] === 'label-type')?.[1];
		if (!labelType) throw new Error('No label type');
		if (labelType !== 'folder') throw new Error('Not a folder');
		let label = new FolderLabel();
		label.id = encryptedMessage.id;
		label.name = decryptedMessage.tags.find((t) => t[0] === 'name')?.[1] ?? 'No name';
		label.icon = decryptedMessage.tags.find((t) => t[0] === 'icon')?.[1] ?? '';
		return label;
	}
}