package main

import (
    "log"
    "net/http"
    "strconv"
    "time"
)

var sem = make(chan byte, 5)
var client = &http.Client{}


// Make an HTTP Get Request to u
func GetHTTPResource(u string) (*http.Response, error) {
    sem <- 1
    // Prepare HTTP Client, Cookie and Request
    cookie := &http.Cookie {
        Name : "POPUPCHECK",
        Value : strconv.FormatInt(time.Now().UnixNano() / 1000000, 10),
        Domain : "gronkh.de",
        Path : "/",
    }
    req, err := http.NewRequest("GET", u, nil)
    req.AddCookie(cookie)
    req.Header.Add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8")
    req.Header.Add("Cache-Control", "max-age=0")
    req.Header.Add("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_4) AppleWebKit/600.7.12 (KHTML, like Gecko) Version/8.0.7 Safari/600.7.12")
    if err != nil {
        log.Fatalf("FAT HTTP - Failed to create new Request: %+v", err)
        <- sem
        return nil, err
    }
    // Execute HTTP Request
    res, err := client.Do(req)
    if err != nil {
        <- sem
        return nil, err
    }
    if res.StatusCode == http.StatusNotFound {
        res.Body.Close()
        <- sem
        return nil, nil
    }
    <- sem
    return res, nil
}