/*
 * 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.tv.twopanelsettings.slices.compat.builders.impl;

import static android.app.slice.Slice.HINT_LIST_ITEM;
import static android.app.slice.Slice.HINT_NO_TINT;
import static android.app.slice.Slice.HINT_TITLE;
import static android.app.slice.Slice.SUBTYPE_SOURCE;

import android.graphics.drawable.Icon;
import android.os.Build;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.core.graphics.drawable.IconCompat;
import com.android.tv.twopanelsettings.slices.compat.Slice;
import com.android.tv.twopanelsettings.slices.compat.SliceSpec;

/** */
// @RestrictTo(LIBRARY)
// @Deprecated // Supported for TV
public class MessagingBasicImpl extends TemplateBuilderImpl implements MessagingBuilder {
  private MessageBuilder mLastMessage;

  /** */
  public MessagingBasicImpl(Slice.Builder builder, SliceSpec spec) {
    super(builder, spec);
  }

  /** */
  @Override
  public void apply(@NonNull Slice.Builder builder) {
    if (mLastMessage != null) {
      Slice.Builder sb = new Slice.Builder(getBuilder()).addHints(HINT_LIST_ITEM);
      if (Build.VERSION.SDK_INT >= 23) {
        if (mLastMessage.mIcon != null) {
          sb.addSubSlice(mLastMessage.mIcon);
        }
      }
      if (mLastMessage.mText != null) {
        sb.addText(mLastMessage.mText, null);
      }
      builder.addSubSlice(sb.build());
    }
  }

  /** */
  @Override
  public void add(TemplateBuilderImpl builder) {
    MessageBuilder b = (MessageBuilder) builder;
    if (mLastMessage == null || mLastMessage.mTimestamp < b.mTimestamp) {
      mLastMessage = b;
    }
  }

  /** */
  @Override
  public TemplateBuilderImpl createMessageBuilder() {
    return new MessageBuilder(this);
  }

  /** */
  public static final class MessageBuilder extends TemplateBuilderImpl
      implements MessagingBuilder.MessageBuilder {

    @RequiresApi(23)
    Slice mIcon;

    CharSequence mText;
    long mTimestamp;

    /** */
    public MessageBuilder(MessagingBasicImpl parent) {
      this(parent.createChildBuilder());
    }

    /** */
    private MessageBuilder(Slice.Builder builder) {
      super(builder, null);
    }

    /** */
    @Override
    @RequiresApi(23)
    public void addSource(Icon source) {
      mIcon =
          getBuilder()
              .addIcon(IconCompat.createFromIcon(source), SUBTYPE_SOURCE, HINT_NO_TINT)
              .addHints(HINT_TITLE)
              .build();
    }

    /** */
    @Override
    public void addText(CharSequence text) {
      mText = text;
    }

    /** */
    @Override
    public void addTimestamp(long timestamp) {
      mTimestamp = timestamp;
    }

    /** */
    @Override
    public void apply(@NonNull Slice.Builder builder) {}
  }
}