/*
 * Copyright (C) 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.dialer.speeddial.database;

import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.support.annotation.IntDef;
import android.support.annotation.Nullable;
import com.google.auto.value.AutoValue;
import com.google.common.base.Optional;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

/** POJO representation of database rows returned by {@link SpeedDialEntryDao}. */
@AutoValue
public abstract class SpeedDialEntry {

  /**
   * Unique ID
   *
   * <p>Must be null when inserting, and an ID will be generated and returned after inserting.
   */
  @Nullable
  public abstract Long id();

  /** Position the contact is pinned to in the UI. Will be absent if it hasn't be set yet. */
  public abstract Optional<Integer> pinnedPosition();

  /** @see {@link Contacts#_ID} */
  public abstract long contactId();

  /** @see {@link Contacts#LOOKUP_KEY} */
  public abstract String lookupKey();

  /**
   * {@link Channel} that is associated with this entry.
   *
   * <p>Contacts with multiple channels do not have a default until specified by the user. Once the
   * default channel is determined, all calls should be placed to this channel.
   */
  @Nullable
  public abstract Channel defaultChannel();

  public abstract Builder toBuilder();

  public static Builder builder() {
    return new AutoValue_SpeedDialEntry.Builder().setPinnedPosition(Optional.absent());
  }

  /** Builder class for speed dial entry. */
  @AutoValue.Builder
  public abstract static class Builder {

    public abstract Builder setId(Long id);

    public abstract Builder setPinnedPosition(Optional<Integer> pinnedPosition);

    public abstract Builder setContactId(long contactId);

    public abstract Builder setLookupKey(String lookupKey);

    public abstract Builder setDefaultChannel(@Nullable Channel defaultChannel);

    public abstract SpeedDialEntry build();
  }

  /** POJO representation of a relevant phone number columns in {@link SpeedDialEntryDao}. */
  @AutoValue
  public abstract static class Channel {

    public static final int UNKNOWN = 0;
    public static final int VOICE = 1;
    public static final int IMS_VIDEO = 2;
    public static final int DUO = 3;

    /** Whether the Channel is for an audio or video call. */
    @Retention(RetentionPolicy.SOURCE)
    @IntDef({UNKNOWN, VOICE, IMS_VIDEO, DUO})
    public @interface Technology {}

    public boolean isVideoTechnology() {
      return technology() == IMS_VIDEO || technology() == DUO;
    }

    /**
     * Raw phone number as the user entered it.
     *
     * @see Phone#NUMBER
     */
    public abstract String number();

    /** @see Phone#TYPE */
    public abstract int phoneType();

    /** @see Phone#LABEL */
    public abstract String label();

    public abstract @Technology int technology();

    public abstract Builder toBuilder();

    public static Builder builder() {
      return new AutoValue_SpeedDialEntry_Channel.Builder();
    }

    /** Builder class for {@link Channel}. */
    @AutoValue.Builder
    public abstract static class Builder {

      public abstract Builder setNumber(String number);

      public abstract Builder setPhoneType(int phoneType);

      public abstract Builder setLabel(String label);

      public abstract Builder setTechnology(@Technology int technology);

      public abstract Channel build();
    }
  }
}