// načtení knihoven
const http = require("http");
const fs = require("fs");
const path = require("path");

//vytvoření chování serveru
const server = http.createServer((req,res) => {
    const filePath = req.url === "/" ? "index.html" : req.url.slice(1);

    const fullPath = path.join(__dirname,filePath)

    fs.readFile(fullPath, (err, content) => {
        if(err) {
            res.writeHead(404, {"Content-Type":"text/html"})
            res.end("<h1>404 not Found</h1>");
        } else {
            res.writeHead(200, {"Content-Type":"text/html"})
            res.end(content);
        }
    })
})

const PORT = 3000;

//spuštění serveru
server.listen(PORT, () => {
    console.log(`Server běží na http://localhost:${PORT}`);
})