//
// Copyright (c) 2013-2016 Vinnie Falco (vinnie dot falco at gmail dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//

#ifndef BEAST_WEBSOCKET_DETAIL_DEBUG_HPP
#define BEAST_WEBSOCKET_DETAIL_DEBUG_HPP

#include <boost/asio/buffer.hpp>
#include <iomanip>
#include <sstream>
#include <string>

namespace beast {
namespace websocket {
namespace detail {

template<class = void>
std::string
to_hex(boost::asio::const_buffer b)
{
    using namespace boost::asio;
    std::stringstream ss;
    auto p = buffer_cast<std::uint8_t const*>(b);
    auto n = buffer_size(b);
    while(n--)
    {
        ss <<
            std::setfill('0') <<
            std::setw(2) <<
            std::hex << int(*p++) << " ";
    }
    return ss.str();
}

template<class Buffers>
std::string
to_hex(Buffers const& bs)
{
    std::string s;
    for(auto const& b : bs)
        s.append(to_hex(boost::asio::const_buffer(b)));
    return s;
}

template<class Buffers>
std::string
buffers_to_string(Buffers const& bs)
{
    using namespace boost::asio;
    std::string s;
    s.reserve(buffer_size(bs));
    for(auto const& b : bs)
        s.append(buffer_cast<char const*>(b),
            buffer_size(b));
    return s;
}

template<class = void>
std::string
format(std::string s)
{
    auto const w = 84;
    for(int n = w*(s.size()/w); n>0; n-=w)
        s.insert(n, 1, '\n');
    return s;
}

} // detail
} // websocket
} // beast

#endif