#include <iostream>
#include <string>

#pragma comment(lib, "Normaliz.lib" )
#pragma comment(lib, "wldap32.lib" )
#pragma comment(lib, "crypt32.lib" )
#pragma comment(lib, "Ws2_32.lib")

#define CURL_STATICLIB
#include "curl/curl.h"

using namespace std;

size_t write_data(void *ptr, size_t size, size_t nmemb, FILE *stream) {
    size_t written = fwrite(ptr, size, nmemb, stream);
    return written;
}

void download(string url, string output)
{
    cout << "GET " << url << endl;

    // setup CURL
    CURL *curl;
    CURLcode res;
    FILE *fp;

    curl = curl_easy_init();
    if (curl)
    {
        // open
        fp = fopen(output.c_str(), "wb");

        // set CURL options
        curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
        curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);

        // perform request
        res = curl_easy_perform(curl);

        // get elapsed time
        double elapsed;
        curl_easy_getinfo(curl, CURLINFO_TOTAL_TIME, &elapsed);

        cout << "Downloaded in " << elapsed << " ms" << endl;

        // CURL cleanup
        curl_easy_cleanup(curl);

        // close file
        fclose(fp);

        return;
    }

    cout << "CURL init error" << endl;
}

int main(void)
{
    download(
        "https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png",
        "google-logo.png"
    );

    return 0;
}