#ifndef DOWNLOADER_H
#define DOWNLOADER_H

#include <iostream>
#include <string>

#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)

#include <io.h>

#define uqdCheckAccess(pathname, mode) _access(pathname, mode)
#else
#include <unistd.h>
#include <cassert>
#define uqdCheckAccess(pathname, mode) access(pathname, mode)
error_t fopen_s(FILE** f, const char* name, const char* mode);
#endif

#include <curl/curl.h>
#include "DownloaderListener.h"

class Downloader
{
public:
    Downloader();

    Downloader(std::string uqUrl, std::string outputFile, DownloaderListener *downloaderListener = nullptr);

    ~Downloader();

    void setUqUrl(std::string uqUrl);

    void setOutputFile(std::string outputFile);

    void setListener(DownloaderListener *downloaderListener);

    void download();

private:
    static size_t writefunc(void *curl, size_t size, std::size_t nmemb, std::string *s);

    static int downloadCallback(void *p, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ultotal, curl_off_t ulnow);

    std::string m_uqUrl, m_outputFile;
    CURL *m_curl;
    CURLcode m_res;
    FILE *m_fp;
    DownloaderListener *m_downloaderListener = nullptr;
};

#endif // DOWNLOADER_H