package org.schabi.newpipe.fragments.list.comments;

import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;

import org.schabi.newpipe.R;
import org.schabi.newpipe.error.UserAction;
import org.schabi.newpipe.extractor.ListExtractor;
import org.schabi.newpipe.extractor.comments.CommentsInfo;
import org.schabi.newpipe.extractor.comments.CommentsInfoItem;
import org.schabi.newpipe.fragments.list.BaseListInfoFragment;
import org.schabi.newpipe.util.ExtractorHelper;

import io.reactivex.rxjava3.core.Single;

public final class CommentRepliesFragment
        extends BaseListInfoFragment<CommentsInfoItem, CommentRepliesInfo> {

    // has the same content as super.currentInfo, except that it's never null
    private final CommentRepliesInfo currentInfo;
    // the original comments info loaded alongside stream
    private final CommentsInfo commentsInfo;

    public CommentRepliesFragment(final CommentsInfo commentsInfo,
                                  final CommentsInfoItem commentsInfoItem) {
        super(UserAction.REQUESTED_COMMENT_REPLIES);
        this.currentInfo = CommentRepliesInfo.getInfo(commentsInfoItem);
        this.commentsInfo = commentsInfo;
        setInitialData(commentsInfo.getServiceId(), commentsInfo.getUrl(), commentsInfo.getName());
    }

    @Nullable
    @Override
    public View onCreateView(@NonNull final LayoutInflater inflater,
                             @Nullable final ViewGroup container,
                             @Nullable final Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_comments, container, false);
    }

    @Override
    protected Single<CommentRepliesInfo> loadResult(final boolean forceLoad) {
        return Single.just(this.currentInfo);
    }

    @Override
    protected Single<ListExtractor.InfoItemsPage<CommentsInfoItem>> loadMoreItemsLogic() {
        return ExtractorHelper.getMoreCommentItems(serviceId, commentsInfo, currentNextPage);
    }
}