/*
 * Copyright (C) 2017 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.dialer.precall;

import android.content.Context;
import android.content.Intent;
import android.support.annotation.MainThread;
import android.support.annotation.NonNull;
import com.android.dialer.callintent.CallIntentBuilder;
import com.android.dialer.util.DialerUtils;
import com.google.common.collect.ImmutableList;

/** Interface to prepare a {@link CallIntentBuilder} before placing the call with telecom. */
public interface PreCall {

  /**
   * @return a list of {@link PreCallAction} in execution order for the {@link PreCallCoordinator}
   *     to run.
   */
  @NonNull
  ImmutableList<PreCallAction> getActions();

  /**
   * @return a intent when started as activity, will perform the pre-call actions and then place a
   *     call. TODO(twyen): if all actions do not require an UI, return a intent that will place the
   *     call directly instead.
   */
  @NonNull
  @MainThread
  Intent buildIntent(Context context, CallIntentBuilder builder);

  static Intent getIntent(Context context, CallIntentBuilder builder) {
    return PreCallComponent.get(context).getPreCall().buildIntent(context, builder);
  }

  static void start(Context context, CallIntentBuilder builder) {
    DialerUtils.startActivityWithErrorToast(context, getIntent(context, builder));
  }
}