import { saveAs } from 'file-saver-es';
import jszipUtils from 'jszip-utils';

import type { ExportedItem } from '../types/types';

export function saveZip(blob: Blob, filename: string) {
	saveAs(blob, `${filename}.zip`);
}

export function fetchFileBinary(url: string): Promise<string | ArrayBuffer> {
	return new Promise((resolve, reject) => {
		jszipUtils.getBinaryContent(url, (err, data) => {
			if (err) reject(err);
			else resolve(data);
		});
	});
}

export function handleMimeType(item: ExportedItem): string {
	const assertedExt = item.name.split('.').pop();
	const nameWithoutExt = assertedExt
		? item.name.split('.').slice(0, -1).join('.')
		: item.name;
	const mimeExt = item.mimeType?.split('/').pop();
	if (assertedExt) {
		return `${nameWithoutExt}.${assertedExt}`;
	} else if (mimeExt) {
		return `${nameWithoutExt}.${mimeExt}`;
	}
	return nameWithoutExt;
}