//importovat moduly
const http = require("http");
const fs = require("fs");
const path = require("path");

const server = http.createServer((req,res) => {
    console.log("REQ:"+req.url);
    const filePath = req.url === "/" ? "index.html" : req.url.slice(1)
    const fullPath = path.join(__dirname,filePath)
    console.log("oteviram:"+fullPath)

    fs.readFile(fullPath, (err,content) => {
        if(err){
            res.writeHead(404, {"Content-type":"text/html"});
            res.end("<h1>ERROR</h1> <h2> soubor nenalezen </h2> 
                <p><a href=\"/\">HOME</a></p> "); // (\") eskejpování uvozovek
        } else {
            res.writeHead(200, {"Content-type":"text/html"});
            res.end(content);
        }
    })
})
// const PORT = process.argv[2];
const PORT = 3000;
server.listen(PORT,()=> {
    console.log(`Server running http://localhost:${PORT} \n Ctrl+C pro vypnutí`);
})