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/**
* @file lluiuisage.cpp
* @brief Source file for LLUIUsage
*
* $LicenseInfo:firstyear=2021&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2021, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
* $/LicenseInfo$
*/

#include "linden_common.h"
#include "lluiusage.h"
#include <boost/algorithm/string.hpp>

LLUIUsage::LLUIUsage()
{
}

LLUIUsage::~LLUIUsage()
{
}

// static
std::string LLUIUsage::sanitized(const std::string& s)
{
    // Remove characters that make the ViewerStats db unhappy
    std::string result(s);
    std::replace(result.begin(), result.end(), '.', '_');
    std::replace(result.begin(), result.end(), ' ', '_');
    return result;
}

// static
void LLUIUsage::setLLSDPath(LLSD& sd, const std::string& path, S32 max_elts, const LLSD& val)
{
    // Keep the last max_elts components of the specified path
    std::vector<std::string> fields;
    boost::split(fields, path, boost::is_any_of("/"));
    auto first_pos = std::max(fields.begin(), fields.end() - max_elts);
    auto end_pos = fields.end();
    std::vector<std::string> last_fields(first_pos,end_pos);

    setLLSDNested(sd, last_fields, val);
}

// setLLSDNested()
// Accomplish the equivalent of
//   sd[fields[0]][fields[1]]... = val;
// for an arbitrary number of fields.
// This might be useful as an LLSD utility function; is not specific to LLUIUsage
//
// static
void LLUIUsage::setLLSDNested(LLSD& sd, const std::vector<std::string>& fields, const LLSD& val)
{
    LLSD* fsd = &sd;
    for (auto it=fields.begin(); it!=fields.end(); ++it)
    {
        if (it == fields.end()-1)
        {
            (*fsd)[*it] = val;
        }
        else
        {
            if (!(*fsd)[*it].isMap())
            {
                (*fsd)[*it] = LLSD::emptyMap();
            }
            fsd = &(*fsd)[*it];
        }
    }
}

void LLUIUsage::logCommand(const std::string& command)
{
    mCommandCounts[sanitized(command)]++;
    LL_DEBUGS("UIUsage") << "command " << command << LL_ENDL;
}

void LLUIUsage::logControl(const std::string& control)
{
    mControlCounts[sanitized(control)]++;
    LL_DEBUGS("UIUsage") << "control " << control << LL_ENDL;
}


void LLUIUsage::logFloater(const std::string& floater)
{
    mFloaterCounts[sanitized(floater)]++;
    LL_DEBUGS("UIUsage") << "floater " << floater << LL_ENDL;
}

void LLUIUsage::logPanel(const std::string& p)
{
    mPanelCounts[sanitized(p)]++;
    LL_DEBUGS("UIUsage") << "panel " << p << LL_ENDL;
}

LLSD LLUIUsage::asLLSD() const
{
    LLSD result;
    for (auto const& it : mCommandCounts)
    {
        result["commands"][it.first] = LLSD::Integer(it.second);
    }
    for (auto const& it : mControlCounts)
    {
        setLLSDPath(result["controls"], it.first, 2, LLSD::Integer(it.second));
    }
    for (auto const& it : mFloaterCounts)
    {
        result["floaters"][it.first] = LLSD::Integer(it.second);
    }
    for (auto const& it : mPanelCounts)
    {
        result["panels"][it.first] = LLSD::Integer(it.second);
    }
    return result;
}

// Clear up some junk content generated during initial login/UI initialization
void LLUIUsage::clear()
{

    LL_DEBUGS("UIUsage") << "clear" << LL_ENDL;
    mCommandCounts.clear();
    mControlCounts.clear();
    mFloaterCounts.clear();
    mPanelCounts.clear();
}