#ifndef HTTP_CLIENT_H
#define HTTP_CLIENT_H

#include "curl/curl.h"
#include <string>
#include <list>
#include <map>

#if defined(_WIN32) || defined(_WIN64)
#pragma comment(lib, "Wldap32.lib")
#pragma comment (lib, "Advapi32.lib")
#pragma comment(lib, "Ws2_32.lib")
#pragma comment(lib, "User32.lib")
#pragma comment(lib, "Gdi32.lib")
#endif

using std::string;
using std::list;
using std::map;

#ifdef _DEBUG
#define DebugLog(format,...)    printf("[" __FILE__ ":%04d]\n" format "\n\n", __LINE__, ##__VA_ARGS__)
#else
#define DebugLog(format,...)
#endif

typedef map<string, string> HeaderMap;
typedef map<string, string> ParamsMap;

/**
 * HttpClient
 * @brief The HttpClient class
 */
class HttpClient
{
public:
    HttpClient();
    HttpClient(const HttpClient &);
    HttpClient & operator = (const HttpClient &);

    ~HttpClient();

public:
    /**
     * Set global proxy
     * 设置全局代理
     * @brief setProxy
     * @param proxyIp
     * @param proxyPort
     * @param proxyUserName
     * @param proxyPassword
     */
    static void setProxy(const string &proxyIp = string(),
                         const string &proxyPort = string(),
                         const string &proxyUserName = string(),
                         const string &proxyPassword = string());

private:
    static string proxyIp;
    static string proxyPort;
    static string proxyUserName;
    static string proxyPassword;

private:
    string responseEntity;

public:
    /**
     * @brief sendSyncRequest
     * @param url
     * @param requestEntity
     * @param headers
     * @return
     */
    string sendSyncRequest(const string &url,
                           const string &requestEntity,
                           const HeaderMap &headers = HeaderMap());

    /**
     * @brief sendSyncRequest
     * @param url
     * @param paramsMap
     * @param headers
     * @return
     */
    string sendSyncRequest(const string &url,
                           const ParamsMap &paramsMap,
                           const HeaderMap &headers = HeaderMap());

private:
    CURL *curl;
    static size_t write_data(void *ptr, size_t size, size_t nmemb, void *stream);

};

#endif // HTTP_CLIENT_H