diff --git a/src/createServer.js b/src/createServer.js
index 1cf1dda..703336d 100644
--- a/src/createServer.js
+++ b/src/createServer.js
@@ -1,10 +1,84 @@
'use strict';
+const http = require('http');
+const fs = require('fs/promises');
+const path = require('path');
+const { text } = require('stream/consumers');
+
function createServer() {
- /* Write your code here */
- // Return instance of http.Server class
+ return http.createServer(async (req, res) => {
+ const { method, url } = req;
+
+ if (url === '/' && method === 'GET') {
+ await serveHomePage(res);
+
+ return;
+ }
+
+ if (url === '/add-expense' && method === 'POST') {
+ await processExpenseSubmission(req, res);
+
+ return;
+ }
+
+ sendErrorResponse(res, 404, 'Invalid URL');
+ });
+}
+
+async function serveHomePage(res) {
+ const htmlFilePath = path.join(__dirname, 'public', 'index.html');
+
+ try {
+ const htmlContent = await fs.readFile(htmlFilePath, 'utf8');
+
+ res.writeHead(200, { 'Content-Type': 'text/html' });
+ res.end(htmlContent);
+ } catch (error) {
+ sendErrorResponse(res, 500, 'Error loading HTML');
+ }
+}
+
+async function processExpenseSubmission(req, res) {
+ try {
+ const requestBodyText = await text(req);
+ const expenseData = parseExpenseData(requestBodyText);
+
+ const { date, title, amount } = expenseData;
+
+ if (!date || !title || !amount) {
+ sendErrorResponse(res, 400, 'Missing required fields');
+
+ return;
+ }
+
+ const databaseFilePath = path.join(__dirname, '..', 'db', 'expense.json');
+
+ await fs.writeFile(databaseFilePath, JSON.stringify(expenseData), 'utf8');
+
+ res.writeHead(200, { 'Content-Type': 'application/json' });
+ res.end(JSON.stringify(expenseData));
+ } catch (error) {
+ sendErrorResponse(res, 500, 'Server Error');
+ }
+}
+
+function parseExpenseData(bodyText) {
+ try {
+ return JSON.parse(bodyText);
+ } catch {
+ const formData = new URLSearchParams(bodyText);
+
+ return {
+ date: formData.get('date'),
+ title: formData.get('title'),
+ amount: formData.get('amount'),
+ };
+ }
+}
+
+function sendErrorResponse(res, statusCode, errorMessage) {
+ res.writeHead(statusCode, { 'Content-Type': 'text/plain' });
+ res.end(errorMessage);
}
-module.exports = {
- createServer,
-};
+module.exports = { createServer };
diff --git a/src/public/index.html b/src/public/index.html
new file mode 100644
index 0000000..95f8f3e
--- /dev/null
+++ b/src/public/index.html
@@ -0,0 +1,87 @@
+
+
+
+
+
+ Form Data
+
+
+
+ Form Data
+
+
+