/*
 * Copyright (c) People Technologies Co., Ltd. 2019-2022. All rights reserved.
 */

package com.wd.display.comp.layoutmanager;

import java.util.HashSet;

import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;

import com.people.component.R;
import com.people.entity.custom.item.ItemBean;

public abstract class BaseAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {

    /**
     * 标记楼层是否初始化过
     */
    private HashSet<Integer> initialSet = new HashSet<>();

    @Override
    public final int getItemViewType(int position) {
        try {
            ItemLayoutManager lm = layoutManagerAtPosition(position);
            if (lm != null) {
                return lm.getItemViewType();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return R.layout.rmrb_item_layout_placeholder;
    }

    /**
     * 获取在position位置的item对应的ItemLayoutManager
     *
     * @param position adapter position
     */
    protected abstract ItemLayoutManager layoutManagerAtPosition(int position);

    @NonNull
    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        return new BaseViewHolder(LayoutInflater.from(parent.getContext()).inflate(viewType, parent, false));
    }

    @Override
    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
        ItemLayoutManager layoutManager = layoutManagerAtPosition(position);
        if(layoutManager == null){
            return;
        }
        if (!initialSet.contains(position)) {
            initialSet.add(position);
            try {
                layoutManager.onCreateViewHolder(this, holder.itemView);
            } catch (Exception e) {
                Log.e("onCreateViewHolder异常", e.getMessage());
                e.printStackTrace();
            }
        }

        layoutManager.prepareItem(holder.itemView, position);
        layoutManager.setItemViewLongClickListener(holder.itemView, position);
        ItemBean itemBean = getItemData(layoutManager, position);
        if (itemBean != null) {
            layoutManager.bindItem(holder.itemView, position, itemBean);
        }
    }

    public ItemBean getItemData(ItemLayoutManager layoutManager, int position) {
        if (layoutManager == null || layoutManager.index == null || layoutManager.getSection() == null) {
            return null;
        }
        int sectionItemIndex = layoutManager.index.getPositionInSection(position);
        return layoutManager.getSection().getItemData(sectionItemIndex);
    }

    public static class BaseViewHolder extends RecyclerView.ViewHolder {

        public BaseViewHolder(@NonNull View itemView) {
            super(itemView);
        }
    }

}