dupontL3: Travail à rendre Lundi

	const fs = require("fs").promises;
	const path = require("path");

	async function calculateSalesTotal(salesFiles) {
	let salesTotal = 0;

	for (file of salesFiles) {
	const data = JSON.parse(await fs.readFile(file));

	salesTotal += data.total;
	}
	return salesTotal;
	}

	async function findSalesFiles(folderName) {
	let salesFiles = [];

	async function findFiles(folderName) {
	const items = await fs.readdir(folderName, { withFileTypes: true });

	for (const item of items) {
	if (item.isDirectory()) {
	await findFiles(path.join(folderName, item.name));
	} else {
	if (path.extname(item.name) === ".json") {
	await salesFiles.push(path.join(folderName, item.name));
	}
	}
	}
	}

	await findFiles(folderName);

	return salesFiles;
	}

	async function main() {
	const salesDir = path.join(__dirname, "stores");
	const salesTotalsDir = path.join(__dirname, "salesTotals");

	try {
	await fs.mkdir(salesTotalsDir);
	} catch {
	console.log(`${salesTotalsDir} already exists.`);
	}

	const salesFiles = await findSalesFiles(salesDir);

	const salesTotal = await calculateSalesTotal(salesFiles);

	await fs.writeFile(
	path.join(salesTotalsDir, "totals.txt"),
	`Total at ${new Date().toLocaleDateString()} : ${salesTotal}€\r\n`,
	{ flag: "a" }
	);
	console.log(`Wrote sales totals to ${salesTotalsDir}`);
	}

	main();

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