diff --git a/src/createServer.js b/src/createServer.js
index 1cf1dda..b7a025a 100644
--- a/src/createServer.js
+++ b/src/createServer.js
@@ -1,10 +1,100 @@
+/* eslint-disable no-console */
'use strict';
+const { Server } = require('http');
+const fs = require('fs');
+const path = require('path');
+
+const dbPath = path.resolve(__dirname, '../db/expense.json');
+
function createServer() {
- /* Write your code here */
- // Return instance of http.Server class
+ // створюємо файл, якщо його немає
+ if (!fs.existsSync(dbPath)) {
+ fs.writeFileSync(dbPath, JSON.stringify([]), 'utf8');
+ }
+
+ const server = new Server();
+
+ server.on('request', (req, res) => {
+ // GET /add-expense - HTML форма
+ if (req.url === '/add-expense' && req.method === 'GET') {
+ res.writeHead(200, { 'Content-Type': 'text/html' });
+
+ res.end(`
+
+
+ Add Expense
+
+
+
+
+ `);
+
+ return;
+ }
+
+ // POST /add-expense - додаємо новий запис
+ if (req.url === '/add-expense' && req.method === 'POST') {
+ const bodyChunks = [];
+
+ req.on('data', (chunk) => bodyChunks.push(chunk));
+
+ req.on('end', () => {
+ const json = Buffer.concat(bodyChunks);
+ let expense;
+
+ try {
+ expense = JSON.parse(json.toString());
+ } catch {
+ res.writeHead(400, { 'Content-Type': 'application/json' });
+ res.end(JSON.stringify({ error: 'Invalid JSON' }));
+
+ return;
+ }
+
+ if (!expense?.date || !expense?.title || !expense?.amount) {
+ res.statusCode = 400;
+ res.end('Bad user input');
+
+ return;
+ }
+
+ fs.readFile(dbPath, 'utf8', (err, data) => {
+ if (err) {
+ res.writeHead(500, { 'Content-Type': 'application/json' });
+ res.end(JSON.stringify({ error: 'Read error' }));
+
+ return;
+ }
+
+ fs.writeFile(dbPath, JSON.stringify(expense, null, 2), (error) => {
+ if (error) {
+ res.writeHead(500, { 'Content-Type': 'application/json' });
+ res.end(JSON.stringify({ error: 'Write error' }));
+
+ return;
+ }
+
+ res.writeHead(200, { 'Content-Type': 'application/json' });
+
+ res.end(JSON.stringify(expense));
+ });
+ });
+ });
+
+ return;
+ }
+
+ res.writeHead(404, { 'Content-Type': 'text/plain' });
+ res.end('Not found');
+ });
+
+ return server;
}
-module.exports = {
- createServer,
-};
+module.exports = { createServer };