/*
 * Copyright 2018, 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.finalization;

import android.app.Activity;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Intent;
import android.os.IBinder;
import android.os.UserHandle;

import com.android.managedprovisioning.common.ProvisionLogger;
import com.android.managedprovisioning.common.Utils;
import com.android.managedprovisioning.finalization.DpcReceivedSuccessReceiver.Callback;
import com.android.managedprovisioning.model.ProvisioningParams;

/**
 * A {@link Service} which sends the
 * {@link android.app.admin.DeviceAdminReceiver.ACTION_PROFILE_PROVISIONING_COMPLETE} broadcast to
 * the DPC. It keeps the ManagedProvisioning process alive while the user is on the DPC screen.
 */
public class SendDpcBroadcastService extends Service implements Callback {

    static String EXTRA_PROVISIONING_PARAMS =
            "com.android.managedprovisioning.PROVISIONING_PARAMS";

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        ProvisioningParams params = intent.getParcelableExtra(EXTRA_PROVISIONING_PARAMS);
        Utils utils = new Utils();
        ProvisioningIntentProvider helper = new ProvisioningIntentProvider();
        UserHandle managedProfileUserHandle = utils.getManagedProfile(getApplicationContext());
        int managedProfileUserIdentifier = managedProfileUserHandle.getIdentifier();
        Intent completeIntent =
                helper.createProvisioningCompleteIntent(params,
                        managedProfileUserIdentifier, utils, getApplicationContext());
        // Use an ordered broadcast, so that we only finish when the DPC has received it.
        // Avoids a lag in the transition between provisioning and the DPC.
        BroadcastReceiver dpcReceivedSuccessReceiver =
                new DpcReceivedSuccessReceiver(params.accountToMigrate,
                        params.keepAccountMigrated, managedProfileUserHandle,
                        params.inferDeviceAdminPackageName(), this,
                        utils.isAdminIntegratedFlow(params));
        sendOrderedBroadcastAsUser(completeIntent, managedProfileUserHandle, null,
                dpcReceivedSuccessReceiver, null, Activity.RESULT_OK, null, null);
        ProvisionLogger.logd("Provisioning complete broadcast has been sent to user "
                + managedProfileUserIdentifier);

        helper.maybeLaunchDpc(
                params, managedProfileUserIdentifier, utils, getApplicationContext());

        return START_STICKY;
    }

    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    @Override
    public void cleanup() {
        stopSelf();
    }
}