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/*
 * 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.impl;

import android.content.Context;
import android.content.Intent;
import android.support.annotation.NonNull;
import com.android.dialer.callintent.CallIntentBuilder;
import com.android.dialer.common.LogUtil;
import com.android.dialer.logging.DialerImpression;
import com.android.dialer.logging.Logger;
import com.android.dialer.precall.PreCall;
import com.android.dialer.precall.PreCallAction;
import com.android.dialer.precall.PreCallCoordinator;
import com.google.common.collect.ImmutableList;
import javax.inject.Inject;

/** Implementation of {@link PreCall} */
public class PreCallImpl implements PreCall {

  private final ImmutableList<PreCallAction> actions;

  @Inject
  PreCallImpl(ImmutableList<PreCallAction> actions) {
    this.actions = actions;
  }

  @Override
  public ImmutableList<PreCallAction> getActions() {
    return actions;
  }

  @NonNull
  @Override
  public Intent buildIntent(Context context, CallIntentBuilder builder) {
    Logger.get(context).logImpression(DialerImpression.Type.PRECALL_INITIATED);
    if (!requiresUi(context, builder)) {
      LogUtil.i("PreCallImpl.buildIntent", "No UI requested, running pre-call directly");
      for (PreCallAction action : actions) {
        action.runWithoutUi(context, builder);
      }
      return builder.build();
    }
    LogUtil.i("PreCallImpl.buildIntent", "building intent to start activity");
    Intent intent = new Intent(context, PreCallActivity.class);
    intent.putExtra(PreCallCoordinator.EXTRA_CALL_INTENT_BUILDER, builder);
    return intent;
  }

  private boolean requiresUi(Context context, CallIntentBuilder builder) {
    for (PreCallAction action : actions) {
      if (action.requiresUi(context, builder)) {
        LogUtil.i("PreCallImpl.requiresUi", action + " requested UI");
        return true;
      }
    }
    return false;
  }
}