/*
 * 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.voicemail.impl.protocol;

import android.text.TextUtils;
import com.android.voicemail.impl.OmtpVvmCarrierConfigHelper;
import com.android.voicemail.impl.VvmLog;
import com.android.voicemail.impl.sms.OmtpMessageSender;

public class ProtocolHelper {

  private static final String TAG = "ProtocolHelper";

  public static OmtpMessageSender getMessageSender(
      VisualVoicemailProtocol protocol, OmtpVvmCarrierConfigHelper config) {

    int applicationPort = config.getApplicationPort();
    String destinationNumber = config.getDestinationNumber();
    if (TextUtils.isEmpty(destinationNumber)) {
      VvmLog.w(TAG, "No destination number for this carrier.");
      return null;
    }

    return protocol.createMessageSender(
        config.getContext(),
        config.getPhoneAccountHandle(),
        (short) applicationPort,
        destinationNumber);
  }
}