/* XMRig
 * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
 * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
 * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
 * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
 * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
 * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
 * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
 * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include <algorithm>
#include <string.h>
#include <uv.h>
#include <inttypes.h>


#include "backend/cpu/Cpu.h"
#include "base/io/log/Log.h"
#include "base/kernel/interfaces/IJsonReader.h"
#include "core/config/Config.h"
#include "crypto/common/Assembly.h"
#include "rapidjson/document.h"
#include "rapidjson/filewritestream.h"
#include "rapidjson/prettywriter.h"


#ifdef XMRIG_ALGO_RANDOMX
#   include "crypto/rx/RxConfig.h"
#endif


#ifdef XMRIG_FEATURE_OPENCL
#   include "backend/opencl/OclConfig.h"
#endif


namespace xmrig {

static const char *kCPU                  = "cpu";
static constexpr const uint32_t kVersion = 1;

#ifdef XMRIG_ALGO_RANDOMX
static const char *kRandomX = "randomx";
#endif

#ifdef XMRIG_FEATURE_OPENCL
static const char *kOcl     = "opencl";
#endif


class ConfigPrivate
{
public:
    CpuConfig cpu;

#   ifdef XMRIG_ALGO_RANDOMX
    RxConfig rx;
#   endif

#   ifdef XMRIG_FEATURE_OPENCL
    OclConfig cl;
#   endif
};

}


xmrig::Config::Config() : BaseConfig(),
    d_ptr(new ConfigPrivate())
{
}


xmrig::Config::~Config()
{
    delete d_ptr;
}


const xmrig::CpuConfig &xmrig::Config::cpu() const
{
    return d_ptr->cpu;
}


#ifdef XMRIG_FEATURE_OPENCL
const xmrig::OclConfig &xmrig::Config::cl() const
{
    return d_ptr->cl;
}
#endif


#ifdef XMRIG_ALGO_RANDOMX
const xmrig::RxConfig &xmrig::Config::rx() const
{
    return d_ptr->rx;
}
#endif


bool xmrig::Config::isShouldSave() const
{
    if (!isAutoSave()) {
        return false;
    }

    if (version() < kVersion) {
        return true;
    }

#   ifdef XMRIG_FEATURE_OPENCL
    if (cl().isShouldSave()) {
        return true;
    }
#   endif

    return (m_upgrade || cpu().isShouldSave());
}


bool xmrig::Config::read(const IJsonReader &reader, const char *fileName)
{
    if (!BaseConfig::read(reader, fileName)) {
        return false;
    }

    d_ptr->cpu.read(reader.getValue(kCPU), version());

#   ifdef XMRIG_ALGO_RANDOMX
    if (!d_ptr->rx.read(reader.getValue(kRandomX))) {
        m_upgrade = true;
    }
#   endif

#   ifdef XMRIG_FEATURE_OPENCL
    d_ptr->cl.read(reader.getValue(kOcl));
#   endif

    return true;
}


void xmrig::Config::getJSON(rapidjson::Document &doc) const
{
    using namespace rapidjson;

    doc.SetObject();

    auto &allocator = doc.GetAllocator();

    Value api(kObjectType);
    api.AddMember("id",                m_apiId.toJSON(), allocator);
    api.AddMember("worker-id",         m_apiWorkerId.toJSON(), allocator);

    doc.AddMember("api",               api, allocator);
    doc.AddMember("http",              m_http.toJSON(doc), allocator);
    doc.AddMember("autosave",          isAutoSave(), allocator);
    doc.AddMember("version",           kVersion, allocator);
    doc.AddMember("background",        isBackground(), allocator);
    doc.AddMember("colors",            Log::colors, allocator);

#   ifdef XMRIG_ALGO_RANDOMX
    doc.AddMember(StringRef(kRandomX), rx().toJSON(doc), allocator);
#   endif

    doc.AddMember(StringRef(kCPU),     cpu().toJSON(doc), allocator);

#   ifdef XMRIG_FEATURE_OPENCL
    doc.AddMember(StringRef(kOcl),     cl().toJSON(doc), allocator);
#   endif

    doc.AddMember("donate-level",      m_pools.donateLevel(), allocator);
    doc.AddMember("donate-over-proxy", m_pools.proxyDonate(), allocator);
    doc.AddMember("log-file",          m_logFile.toJSON(), allocator);
    doc.AddMember("pools",             m_pools.toJSON(doc), allocator);
    doc.AddMember("print-time",        printTime(), allocator);
    doc.AddMember("retries",           m_pools.retries(), allocator);
    doc.AddMember("retry-pause",       m_pools.retryPause(), allocator);
    doc.AddMember("syslog",            isSyslog(), allocator);
    doc.AddMember("user-agent",        m_userAgent.toJSON(), allocator);
    doc.AddMember("watch",             m_watch, allocator);
}
