#include <websocketpp/config/asio_client.hpp>

#include <websocketpp/client.hpp>

#include <iostream>
#include <chrono>

typedef websocketpp::client<websocketpp::config::asio_tls_client> client;

using websocketpp::lib::placeholders::_1;
using websocketpp::lib::placeholders::_2;
using websocketpp::lib::bind; 

// pull out the type of messages sent by our config
typedef websocketpp::config::asio_tls_client::message_type::ptr message_ptr;
typedef websocketpp::lib::shared_ptr<boost::asio::ssl::context> context_ptr;
typedef client::connection_ptr connection_ptr;



class perftest {
public:
    typedef perftest type;
    typedef std::chrono::duration<int,std::micro> dur_type;
    
    perftest () {
        // We expect there to be a lot of errors, so suppress them
        m_endpoint.set_access_channels(websocketpp::log::alevel::all);
        m_endpoint.set_error_channels(websocketpp::log::elevel::all);
        
        // Initialize ASIO
        m_endpoint.init_asio();
        
        // Register our handlers
        m_endpoint.set_socket_init_handler(bind(&type::on_socket_init,this,::_1));
        m_endpoint.set_tls_init_handler(bind(&type::on_tls_init,this,::_1));
        m_endpoint.set_message_handler(bind(&type::on_message,this,::_1,::_2));
        m_endpoint.set_open_handler(bind(&type::on_open,this,::_1));
        m_endpoint.set_close_handler(bind(&type::on_close,this,::_1));
    }
    
    void start(std::string uri) {
        websocketpp::lib::error_code ec;
        client::connection_ptr con = m_endpoint.get_connection(uri, ec);
        
        //con->set_proxy("http://humupdates.uchicago.edu:8443");
        
        m_endpoint.connect(con);
	    
	    // Start the ASIO io_service run loop
	    m_start = std::chrono::high_resolution_clock::now();
        m_endpoint.run();
    }
    
    void on_socket_init(websocketpp::connection_hdl hdl) {
        m_socket_init = std::chrono::high_resolution_clock::now();
    }
    
    context_ptr on_tls_init(websocketpp::connection_hdl hdl) {
        m_tls_init = std::chrono::high_resolution_clock::now();
        context_ptr ctx(new boost::asio::ssl::context(boost::asio::ssl::context::tlsv1));

        try {
            ctx->set_options(boost::asio::ssl::context::default_workarounds |
                             boost::asio::ssl::context::no_sslv2 |
                             boost::asio::ssl::context::single_dh_use);
        } catch (std::exception& e) {
            std::cout << e.what() << std::endl;
        }
        return ctx;
    }
    
    void on_open(websocketpp::connection_hdl hdl) {
        m_open = std::chrono::high_resolution_clock::now();
        m_endpoint.send(hdl, "", websocketpp::frame::opcode::text);
    }
    void on_message(websocketpp::connection_hdl hdl, message_ptr msg) {
        m_message = std::chrono::high_resolution_clock::now();
        m_endpoint.close(hdl,websocketpp::close::status::going_away,"");
    }
    void on_close(websocketpp::connection_hdl hdl) {
        m_close = std::chrono::high_resolution_clock::now();
                
        std::cout << "Socket Init: " << std::chrono::duration_cast<dur_type>(m_socket_init-m_start).count() << std::endl;
        std::cout << "TLS Init: " << std::chrono::duration_cast<dur_type>(m_tls_init-m_start).count() << std::endl;
        std::cout << "Open: " << std::chrono::duration_cast<dur_type>(m_open-m_start).count() << std::endl;
        std::cout << "Message: " << std::chrono::duration_cast<dur_type>(m_message-m_start).count() << std::endl;
        std::cout << "Close: " << std::chrono::duration_cast<dur_type>(m_close-m_start).count() << std::endl;
    }
private:
    client m_endpoint;
    
    std::chrono::high_resolution_clock::time_point m_start;
    std::chrono::high_resolution_clock::time_point m_socket_init;
    std::chrono::high_resolution_clock::time_point m_tls_init;
    std::chrono::high_resolution_clock::time_point m_open;
    std::chrono::high_resolution_clock::time_point m_message;
    std::chrono::high_resolution_clock::time_point m_close;
};

int main(int argc, char* argv[]) {
	std::string uri = "wss://echo.websocket.org";
	
	if (argc == 2) {
	    uri = argv[1];
	}
	
	try {
        perftest endpoint;
        endpoint.start(uri);
    } catch (const std::exception & e) {
        std::cout << e.what() << std::endl;
    } catch (websocketpp::lib::error_code e) {
        std::cout << e.message() << std::endl;
    } catch (...) {
        std::cout << "other exception" << std::endl;
    }
}