WebSocketClient.h

#pragma once
#include <Windows.h>
#include <winhttp.h>
#include <iostream>
#include <nlohmann/json.hpp>

#pragma comment(lib, "winhttp.lib")
class WebSocketClient {
    using json = nlohmann::json;
private:
    HINTERNET hSession = NULL;
    HINTERNET hConnect = NULL;
    HINTERNET hRequest = NULL;
    HANDLE hWebSocket = NULL;
public:
    WebSocketClient();

    ~WebSocketClient();

    bool Connect(const wchar_t* host, int port, const wchar_t* path);

    bool Send(const json& j) const;

    std::string Receive() const;

    bool CheckConnection() const;
};