/*
 * Copyright 2000-2010 JetBrains s.r.o.
 *
 * 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.
 */

package com.intellij.internal.statistic.persistence;

import com.intellij.internal.statistic.StatisticsUploadAssistant;
import com.intellij.internal.statistic.beans.GroupDescriptor;
import com.intellij.internal.statistic.beans.PatchedUsage;
import com.intellij.internal.statistic.beans.UsageDescriptor;
import com.intellij.openapi.util.Pair;
import com.intellij.util.containers.HashSet;
import com.intellij.util.containers.hash.HashMap;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;

import java.util.Map;
import java.util.Set;

public class BasicSentUsagesPersistenceComponent extends SentUsagesPersistence {

    public BasicSentUsagesPersistenceComponent() {
    }

    protected Map<GroupDescriptor, Set<UsageDescriptor>> mySentDescriptors = new HashMap<GroupDescriptor, Set<UsageDescriptor>>();
    @NonNls
    private long mySentTime = 0;

    @Override
    public boolean isAllowed() {
        return true;
    }

    @Override
    public long getLastTimeSent() {
        return mySentTime;
    }

    public void setSentTime(long time) {
        mySentTime = time;
    }

    @Override
    public void persistPatch(@NotNull Map<GroupDescriptor, Set<PatchedUsage>> patchedDescriptorMap) {
        for (Map.Entry<GroupDescriptor, Set<PatchedUsage>> entry : patchedDescriptorMap.entrySet()) {
            final GroupDescriptor groupDescriptor = entry.getKey();
            for (PatchedUsage patchedUsage : entry.getValue()) {
                UsageDescriptor usageDescriptor = StatisticsUploadAssistant.findDescriptor(mySentDescriptors, Pair.create(groupDescriptor, patchedUsage.getKey()));
                if (usageDescriptor != null) {
                    usageDescriptor.setValue(usageDescriptor.getValue() + patchedUsage.getDelta());
                } else {
                    if (!mySentDescriptors.containsKey(groupDescriptor)) {
                        mySentDescriptors.put(groupDescriptor, new HashSet<UsageDescriptor>());
                    }
                    mySentDescriptors.get(groupDescriptor).add(new UsageDescriptor(patchedUsage.getKey(), patchedUsage.getValue()));
                }
            }
        }

        setSentTime(System.currentTimeMillis());
    }


    @Override
    @NotNull
    public Map<GroupDescriptor, Set<UsageDescriptor>> getSentUsages () {
        return mySentDescriptors;
    }
}