// app.js
const http = require("http");
const fs = require("fs");
const path = require("path");
const url = require("url");

const port = 8080;
const host = "0.0.0.0";
const mimeTypes = {
  ".html": "text/html",
  ".css": "text/css",
  ".js": "application/javascript",
  ".svg": "image/svg+xml",
  ".png": "image/png",
  ".jpg": "image/jpeg",
  ".jpeg": "image/jpeg",
  ".gif": "image/gif",
  ".ico": "image/x-icon",
  ".json": "application/json",
  ".txt": "text/plain",
};

http
  .createServer((req, res) => {
    // Parse the URL and extract just the pathname, ignoring query parameters
    const parsedUrl = url.parse(req.url);
    let filePath = "." + decodeURIComponent(parsedUrl.pathname);
    if (filePath === "./") filePath = "./index.html";

    const ext = path.extname(filePath).toLowerCase();
    const contentType = mimeTypes[ext] || "application/octet-stream";

    fs.readFile(filePath, (err, content) => {
      if (err) {
        res.writeHead(404);
        res.end("404 Not Found");
      } else {
        res.writeHead(200, { "Content-Type": contentType });
        res.end(content);
      }
    });
  })
  .listen(port, host, () => {
    console.log(`Server running at http://${host}:${port}/`);
  });