package com.luck.picture.lib.animators;

import android.animation.Animator;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.Interpolator;
import android.view.animation.LinearInterpolator;

import androidx.recyclerview.widget.RecyclerView;

/**
 * @author：luck
 * @date：2020-04-18 14:12
 * @describe：BaseAnimationAdapter
 */
public abstract class BaseAnimationAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
    private RecyclerView.Adapter<RecyclerView.ViewHolder> mAdapter;
    private int mDuration = 250;
    private Interpolator mInterpolator = new LinearInterpolator();
    private int mLastPosition = -1;

    private boolean isFirstOnly = true;

    public BaseAnimationAdapter(RecyclerView.Adapter<RecyclerView.ViewHolder> adapter) {
        mAdapter = adapter;
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        return mAdapter.onCreateViewHolder(parent, viewType);
    }

    @Override
    public void registerAdapterDataObserver(RecyclerView.AdapterDataObserver observer) {
        super.registerAdapterDataObserver(observer);
        mAdapter.registerAdapterDataObserver(observer);
    }

    @Override
    public void unregisterAdapterDataObserver(RecyclerView.AdapterDataObserver observer) {
        super.unregisterAdapterDataObserver(observer);
        mAdapter.unregisterAdapterDataObserver(observer);
    }

    @Override
    public void onAttachedToRecyclerView(RecyclerView recyclerView) {
        super.onAttachedToRecyclerView(recyclerView);
        mAdapter.onAttachedToRecyclerView(recyclerView);
    }

    @Override
    public void onDetachedFromRecyclerView(RecyclerView recyclerView) {
        super.onDetachedFromRecyclerView(recyclerView);
        mAdapter.onDetachedFromRecyclerView(recyclerView);
    }

    @Override
    public void onViewAttachedToWindow(RecyclerView.ViewHolder holder) {
        super.onViewAttachedToWindow(holder);
        mAdapter.onViewAttachedToWindow(holder);
    }

    @Override
    public void onViewDetachedFromWindow(RecyclerView.ViewHolder holder) {
        super.onViewDetachedFromWindow(holder);
        mAdapter.onViewDetachedFromWindow(holder);
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
        mAdapter.onBindViewHolder(holder, position);

        int adapterPosition = holder.getAdapterPosition();
        if (!isFirstOnly || adapterPosition > mLastPosition) {
            for (Animator anim : getAnimators(holder.itemView)) {
                anim.setDuration(mDuration).start();
                anim.setInterpolator(mInterpolator);
            }
            mLastPosition = adapterPosition;
        } else {
            ViewHelper.clear(holder.itemView);
        }
    }

    @Override
    public void onViewRecycled(RecyclerView.ViewHolder holder) {
        mAdapter.onViewRecycled(holder);
        super.onViewRecycled(holder);
    }

    @Override
    public int getItemCount() {
        return mAdapter.getItemCount();
    }

    public void setDuration(int duration) {
        mDuration = duration;
    }

    public void setInterpolator(Interpolator interpolator) {
        mInterpolator = interpolator;
    }

    public void setStartPosition(int start) {
        mLastPosition = start;
    }

    protected abstract Animator[] getAnimators(View view);

    public void setFirstOnly(boolean firstOnly) {
        isFirstOnly = firstOnly;
    }

    @Override
    public int getItemViewType(int position) {
        return mAdapter.getItemViewType(position);
    }

    public RecyclerView.Adapter<RecyclerView.ViewHolder> getWrappedAdapter() {
        return mAdapter;
    }

    @Override
    public long getItemId(int position) {
        return mAdapter.getItemId(position);
    }
}