package com.shine.adapter;

import android.databinding.DataBindingUtil;
import android.support.v7.util.DiffUtil;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.ViewGroup;

import com.shine.bean.recivebean.VideoSourceBeans;
import com.shine.ui.VideoSourceClickListener;
import com.shine.videomeeting.R;
import com.shine.videomeeting.databinding.ItemPreviewOptionBinding;

import java.util.List;
import java.util.Objects;

/**
 * author:
 * 时间:2017/11/17
 * qq:1220289215
 * 类描述：预览页面信源列表
 */

public class PreviewItemAdapter extends RecyclerView.Adapter<PreviewItemAdapter.ItemViewHolder>{
    List<VideoSourceBeans> mVideoSourceList;
    private VideoSourceClickListener mVideoSourceClickListener;

    public PreviewItemAdapter(VideoSourceClickListener videoSourceClickListener) {
        mVideoSourceClickListener = videoSourceClickListener;
    }

    public void setCommentList(final List<VideoSourceBeans> sourceBeans) {
        if (mVideoSourceList == null) {
            mVideoSourceList = sourceBeans;
            notifyItemRangeInserted(0, sourceBeans.size());
        } else {
            DiffUtil.DiffResult diffResult = DiffUtil.calculateDiff(new DiffUtil.Callback() {
                @Override
                public int getOldListSize() {
                    return mVideoSourceList.size();
                }

                @Override
                public int getNewListSize() {
                    return sourceBeans.size();
                }

                @Override
                public boolean areItemsTheSame(int oldItemPosition, int newItemPosition) {
                    VideoSourceBeans old = mVideoSourceList.get(oldItemPosition);
                    VideoSourceBeans comment = sourceBeans.get(newItemPosition);
                    return old.sourceid() == comment.sourceid();
                }

                @Override
                public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
                    VideoSourceBeans old = mVideoSourceList.get(oldItemPosition);
                    VideoSourceBeans beans = sourceBeans.get(newItemPosition);
                    return old.sourceid() == beans.sourceid()
                            && old.sourcecodetype() == beans.sourcecodetype()
                            && Objects.equals(old.sourcename(), beans.sourcename());
                }
            });
            mVideoSourceList = sourceBeans;
            diffResult.dispatchUpdatesTo(this);
        }
    }
    @Override
    public ItemViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        LayoutInflater inflater = LayoutInflater.from(parent.getContext());
        ItemPreviewOptionBinding binding = DataBindingUtil.inflate(inflater, R.layout.item_preview_option, parent, false);
        binding.setOnItemClickListener(mVideoSourceClickListener);
        return new ItemViewHolder(binding);
    }

    @Override
    public void onBindViewHolder(ItemViewHolder holder, int position) {
        VideoSourceBeans videoSourceBeans = mVideoSourceList.get(position);
        holder.mBinding.setVideoSource(videoSourceBeans);
        holder.mBinding.executePendingBindings();

    }

    @Override
    public int getItemCount() {
        return mVideoSourceList==null?0:mVideoSourceList.size();
    }

    static class ItemViewHolder extends RecyclerView.ViewHolder{

        private final ItemPreviewOptionBinding mBinding;

        public ItemViewHolder(ItemPreviewOptionBinding binding) {
            super(binding.getRoot());
            mBinding = binding;
        }

    }
}