mate-academy · RomanHasiuk · Feb 10, 2026 · Feb 10, 2026 · Feb 10, 2026 · Feb 10, 2026
diff --git a/src/createServer.js b/src/createServer.js
@@ -1,8 +1,101 @@
 'use strict';
 
+const http = require('http');
+const zlib = require('zlib');
+const { pipeline } = require('node:stream');
+const fs = require('fs');
+const path = require('path');
+const formidable = require('formidable');
+
+function handleGetIndex(res) {
+  const filePath = path.join(__dirname, 'index.html');
+
+  res.writeHead(200, { 'Content-Type': 'text/html' });
+  fs.createReadStream(filePath).pipe(res);
+}
+
+function handleCompress(req, res) {
+  const form = new formidable.IncomingForm();
+
+  form.parse(req, (err, fields, files) => {
+    if (err) {
+      res.writeHead(400, { 'Content-Type': 'text/plain' });
+      res.end('Invalid form data');
+
+      return;
+    }
+
+    const compressionType = Array.isArray(fields.compressionType)
+      ? fields.compressionType[0]
+      : fields.compressionType;
+
+    const file = Array.isArray(files.file) ? files.file[0] : files.file;
+
+    if (!file || !compressionType) {
+      res.writeHead(400, { 'Content-Type': 'text/plain' });
+      res.end('Missing file or compression type');
+
+      return;
+    }
+
+    const compressors = {
+      gzip: { ext: '.gzip', stream: zlib.createGzip },
+      deflate: { ext: '.deflate', stream: zlib.createDeflate },
+      br: { ext: '.br', stream: zlib.createBrotliCompress },
+    };
+
+    const config = compressors[compressionType];
+
+    if (!config) {
+      res.writeHead(400, { 'Content-Type': 'text/plain' });
+      res.end('Unsupported compression type');
+
+      return;
+    }
+
+    res.writeHead(200, {
+      'Content-Type': 'application/octet-stream',
+      'Content-Disposition': `attachment; filename=${file.originalFilename}${config.ext}`,
+    });
+
+    pipeline(
+      fs.createReadStream(file.filepath),
+      config.stream(),
+      res,
+      (error) => {
+        if (error) {
+          if (!res.headersSent) {
+            res.writeHead(500, { 'Content-Type': 'text/plain' });
+            res.end('Internal Server Error');
+          }
+          res.destroy();
+        }
+      },
+    );
+  });
+}
+
 function createServer() {
-  /* Write your code here */
-  // Return instance of http.Server class
+  return http.createServer((req, res) => {
+    const { method, url } = req;
+
+    if (method === 'GET' && (url === '/' || url === '/index.html')) {
+      return handleGetIndex(res);
+    }
+
+    if (method === 'GET' && url === '/compress') {
+      res.writeHead(400, { 'Content-Type': 'text/plain' });
+
+      return res.end('GET not allowed');
+    }
+
+    if (method === 'POST' && url === '/compress') {
+      return handleCompress(req, res);
+    }
+
+    res.writeHead(404, { 'Content-Type': 'text/plain' });
+    res.end('Not found');
+  });
 }
 
 module.exports = {

diff --git a/src/index.html b/src/index.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Compression App</title>
+</head>
+<body>
+  <h1>File Compression</h1>
+  <form action="/compress" method="POST" enctype="multipart/form-data">
+        <div>
+            <label for="file">Select file:</label>
+            <input type="file" name="file" id="file" required>
+        </div>
+        <div>
+            <label for="compressionType">Compression type:</label>
+            <select name="compressionType" id="compressionType" required>
+                <option value="gzip">gzip</option>
+                <option value="deflate">deflate</option>
+                <option value="br">br</option>
+            </select>
+        </div>
+        <button type="submit">Compress</button>
+    </form>
+</body>
+</html>