/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * 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.android.managedprovisioning.task;

import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.PROVISIONING_CREATE_PROFILE_TASK_MS;
import static com.android.internal.util.Preconditions.checkNotNull;

import android.content.Context;
import android.content.pm.UserInfo;
import android.os.UserManager;

import com.android.internal.annotations.VisibleForTesting;
import com.android.managedprovisioning.R;
import com.android.managedprovisioning.analytics.MetricsWriterFactory;
import com.android.managedprovisioning.analytics.ProvisioningAnalyticsTracker;
import com.android.managedprovisioning.common.ManagedProvisioningSharedPreferences;
import com.android.managedprovisioning.common.SettingsFacade;
import com.android.managedprovisioning.model.ProvisioningParams;
import com.android.managedprovisioning.task.nonrequiredapps.NonRequiredAppsLogic;

import java.util.Set;

/**
 * Task to create a managed profile.
 */
public class CreateManagedProfileTask extends AbstractProvisioningTask {

    private int mProfileUserId;
    private final NonRequiredAppsLogic mNonRequiredAppsLogic;
    private final UserManager mUserManager;

    public CreateManagedProfileTask(Context context, ProvisioningParams params, Callback callback) {
        this(
                context,
                params,
                callback,
                context.getSystemService(UserManager.class),
                new NonRequiredAppsLogic(context, true, params),
                new ProvisioningAnalyticsTracker(
                        MetricsWriterFactory.getMetricsWriter(context, new SettingsFacade()),
                        new ManagedProvisioningSharedPreferences(context)));
    }

    @VisibleForTesting
    CreateManagedProfileTask(
            Context context,
            ProvisioningParams params,
            Callback callback,
            UserManager userManager,
            NonRequiredAppsLogic logic,
            ProvisioningAnalyticsTracker provisioningAnalyticsTracker) {
        super(context, params, callback, provisioningAnalyticsTracker);
        mNonRequiredAppsLogic = checkNotNull(logic);
        mUserManager = checkNotNull(userManager);
    }

    @Override
    public void run(int userId) {
        startTaskTimer();
        final Set<String> nonRequiredApps = mNonRequiredAppsLogic.getSystemAppsToRemove(userId);
        UserInfo userInfo = mUserManager.createProfileForUserEvenWhenDisallowed(
                mContext.getString(R.string.default_managed_profile_name),
                UserInfo.FLAG_MANAGED_PROFILE | UserInfo.FLAG_DISABLED,
                userId, nonRequiredApps.toArray(new String[nonRequiredApps.size()]));
        if (userInfo == null) {
            error(0);
            return;
        }
        mProfileUserId = userInfo.id;
        mNonRequiredAppsLogic.maybeTakeSystemAppsSnapshot(userInfo.id);
        stopTaskTimer();
        success();
    }

    @Override
    public int getStatusMsgId() {
        return R.string.progress_initialize;
    }

    @Override
    protected int getMetricsCategory() {
        return PROVISIONING_CREATE_PROFILE_TASK_MS;
    }

    public int getProfileUserId() {
        return mProfileUserId;
    }
}