/*
 * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

#include "feature_logic.h"

#include <list>

#include <dpl/assert.h>
#include <dpl/noncopyable.h>
#include <dpl/string.h>
#include <dpl/foreach.h>
#include <dpl/log/log.h>
#include <dpl/wrt-dao-ro/widget_dao_read_only.h>
#include <dpl/wrt-dao-ro/global_dao_read_only.h>

namespace Jobs {
namespace WidgetInstall {

FeatureLogic::FeatureLogic(WidgetHandle handle)
  : m_rejected(false)
{
    WrtDB::WidgetDAOReadOnly widgetDao(handle);
    WidgetFeatureSet featureSet = widgetDao.getFeaturesList();
    FOREACH(it, featureSet) {
        LogInfo("Feature name : " << it->name);
        WrtDB::DeviceCapabilitySet dcs =
          WrtDB::GlobalDAOReadOnly::GetDeviceCapability(it->name);
        FOREACH (devCap, dcs) {
            LogInfo("--- dev cap  : " << *devCap);
        }
        Feature feature(*it, dcs);
        m_featureList.push_back(feature);
    }
    m_currentFeature = m_featureList.begin();

    // ok we must set iterator on the first processable node
    if (!isProcessable()) {
        next();
    }
}

bool FeatureLogic::isDone() const
{
    return m_currentFeature == m_featureList.end();
}

bool FeatureLogic::next()
{
    while (!isDone()) {
        if (m_currentFeature->currentCap != m_currentFeature->devCapSet.end()) {
            m_currentFeature->currentCap++;
        } else {
            ++m_currentFeature;
        }
        // we moved pointer
        if (isProcessable()) {
            return true;
        }
    }
    return false;
}


void FeatureLogic::setAceResponse(bool allowed)
{
    Assert(isProcessable() && "Wrong usage");
    if (!allowed) {
        m_currentFeature->rejected = true;
        if (m_currentFeature->required) {
            m_rejected = true;
        }
    }
}

DPL::String FeatureLogic::getDevice() const
{
    return *(m_currentFeature->currentCap);
}

bool FeatureLogic::isProcessable() const
{
    if (isDone()) {
        return false;
    }

    if (m_currentFeature->currentCap == m_currentFeature->devCapSet.end()) {
        return false;
    }

    return true;
}

} // namespace WidgetInstall
} // namespace Jobs