import fs from 'fs';
import { Readable } from 'stream';
import { finished } from 'stream/promises';
import { random } from './random';

function fileExist(path) {
	try {
		fs.readFileSync(path);
		return true;
	}
	catch (err) {
		return false;
	}
}

function fileDelete(path) {
	try {
		fs.unlinkSync(path);
		return true;
	}
	catch (err) {
		return false;
	}
}

async function fileDownload(url, path) {
	try {
		const stream = fs.createWriteStream(path);
		const { body } = await fetch(url);
		await finished(Readable.fromWeb(body).pipe(stream));
		return true;
	}
	catch (err) {
		return false;
	}
}


function folderExist(path) {
	try {
		if (fs.existsSync(path)) {
			return true;
		}
		else {
			return false;
		}
	}
	catch (err) {
		return false;
	}
}

function getFilesFromFolder(path) {
	try {
		return fs.readdirSync(path);
	}
	catch (err) {
		return false;
	}
}

function randomFileFromFolder(path) {
	try {
		if (getFilesFromFolder(path)) {
			return random(0, getFilesFromFolder(path).length);
		}
		else {
			return false;
		}
	}
	catch (err) {
		return false;
	}
}

export {
	fileExist,
	fileDelete,
	fileDownload,
	folderExist,
	getFilesFromFolder,
	randomFileFromFolder,
};