/**
 * @file llagentaccess.cpp
 * @brief LLAgentAccess class implementation - manages maturity and godmode info
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, 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 "llviewerprecompiledheaders.h"

#include "llagentaccess.h"
#include "indra_constants.h"
#include "llcontrol.h"

LLAgentAccess::LLAgentAccess(LLControlGroup& savedSettings) :
    mSavedSettings(savedSettings),
    mAccess(SIM_ACCESS_PG),
    mAdminOverride(false),
    mGodLevel(GOD_NOT)
{
}

bool LLAgentAccess::getAdminOverride() const
{
    return mAdminOverride;
}

void LLAgentAccess::setAdminOverride(bool b)
{
    mAdminOverride = b;
}

void LLAgentAccess::setGodLevel(U8 god_level)
{
    mGodLevel = god_level;
}

bool LLAgentAccess::isGodlike() const
{
#ifdef HACKED_GODLIKE_VIEWER
    return true;
#else
    if(mAdminOverride) return true;
    return mGodLevel > GOD_NOT;
#endif
}

bool LLAgentAccess::isGodlikeWithoutAdminMenuFakery() const
{
#ifdef HACKED_GODLIKE_VIEWER
    return true;
#else
    return mGodLevel > GOD_NOT;
#endif
}

U8 LLAgentAccess::getGodLevel() const
{
#ifdef HACKED_GODLIKE_VIEWER
    return GOD_MAINTENANCE;
#else
    if(mAdminOverride) return GOD_FULL; // :(
    return mGodLevel;
#endif
}

bool LLAgentAccess::wantsPGOnly() const
{
    return (prefersPG() || isTeen()) && !isGodlike();
}

bool LLAgentAccess::canAccessMature() const
{
    // if you prefer mature, you're either mature or adult, and
    // therefore can access all mature content
    return isGodlike() || (prefersMature() && !isTeen());
}

bool LLAgentAccess::canAccessAdult() const
{
    // if you prefer adult, you must BE adult.
    return isGodlike() || (prefersAdult() && isAdult());
}

bool LLAgentAccess::prefersPG() const
{
    U32 access = mSavedSettings.getU32("PreferredMaturity");
    return access < SIM_ACCESS_MATURE;
}

bool LLAgentAccess::prefersMature() const
{
    U32 access = mSavedSettings.getU32("PreferredMaturity");
    return access >= SIM_ACCESS_MATURE;
}

bool LLAgentAccess::prefersAdult() const
{
    U32 access = mSavedSettings.getU32("PreferredMaturity");
    return access >= SIM_ACCESS_ADULT;
}

bool LLAgentAccess::isTeen() const
{
    return mAccess < SIM_ACCESS_MATURE;
}

bool LLAgentAccess::isMature() const
{
    return mAccess >= SIM_ACCESS_MATURE;
}

bool LLAgentAccess::isAdult() const
{
    return mAccess >= SIM_ACCESS_ADULT;
}

//static
int LLAgentAccess::convertTextToMaturity(char text)
{
    if ('A' == text)
    {
        return SIM_ACCESS_ADULT;
    }
    else if ('M'== text)
    {
        return SIM_ACCESS_MATURE;
    }
    else if ('P'== text)
    {
        return SIM_ACCESS_PG;
    }
    return SIM_ACCESS_MIN;
}

void LLAgentAccess::setMaturity(char text)
{
    mAccess = LLAgentAccess::convertTextToMaturity(text);
    U32 preferred_access = mSavedSettings.getU32("PreferredMaturity");
    while (!canSetMaturity(preferred_access))
    {
        if (preferred_access == SIM_ACCESS_ADULT)
        {
            preferred_access = SIM_ACCESS_MATURE;
        }
        else
        {
            // Mature or invalid access gets set to PG
            preferred_access = SIM_ACCESS_PG;
        }
    }
    mSavedSettings.setU32("PreferredMaturity", preferred_access);
}

bool LLAgentAccess::canSetMaturity(S32 maturity)
{
    if (isGodlike()) // Gods can always set their Maturity level
        return true;
    if (isAdult()) // Adults can always set their Maturity level
        return true;
    if (maturity == SIM_ACCESS_PG || (maturity == SIM_ACCESS_MATURE && isMature()))
        return true;
    else
        return false;
}