package com.yarolegovich.discretescrollview;

import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;

/**
 * Created by yarolegovich on 10/25/17.
 */
public class RecyclerViewProxy {

    private RecyclerView.LayoutManager layoutManager;

    public RecyclerViewProxy(@NonNull RecyclerView.LayoutManager layoutManager) {
        this.layoutManager = layoutManager;
    }

    public void attachView(View view) {
        layoutManager.attachView(view);
    }

    public void detachView(View view) {
        layoutManager.detachView(view);
    }

    public void detachAndScrapView(View view, RecyclerView.Recycler recycler) {
        layoutManager.detachAndScrapView(view, recycler);
    }

    public void detachAndScrapAttachedViews(RecyclerView.Recycler recycler) {
        layoutManager.detachAndScrapAttachedViews(recycler);
    }

    public void recycleView(View view, RecyclerView.Recycler recycler) {
        recycler.recycleView(view);
    }

    public void removeAndRecycleAllViews(RecyclerView.Recycler recycler) {
        layoutManager.removeAndRecycleAllViews(recycler);
    }

    public int getChildCount() {
        return layoutManager.getChildCount();
    }

    public int getItemCount() {
        return layoutManager.getItemCount();
    }

    public View getMeasuredChildForAdapterPosition(int position, RecyclerView.Recycler recycler) {
        View view = recycler.getViewForPosition(position);
        layoutManager.addView(view);
        layoutManager.measureChildWithMargins(view, 0, 0);
        return view;
    }

    public void layoutDecoratedWithMargins(View v, int left, int top, int right, int bottom) {
        layoutManager.layoutDecoratedWithMargins(v, left, top, right, bottom);
    }

    public View getChildAt(int index) {
        return layoutManager.getChildAt(index);
    }

    public int getPosition(View view) {
        return layoutManager.getPosition(view);
    }

    public int getMeasuredWidthWithMargin(View child) {
        ViewGroup.MarginLayoutParams lp = (ViewGroup.MarginLayoutParams) child.getLayoutParams();
        return layoutManager.getDecoratedMeasuredWidth(child) + lp.leftMargin + lp.rightMargin;
    }

    public int getMeasuredHeightWithMargin(View child) {
        ViewGroup.MarginLayoutParams lp = (ViewGroup.MarginLayoutParams) child.getLayoutParams();
        return layoutManager.getDecoratedMeasuredHeight(child) + lp.topMargin + lp.bottomMargin;
    }

    public int getWidth() {
        return layoutManager.getWidth();
    }

    public int getHeight() {
        return layoutManager.getHeight();
    }

    public void offsetChildrenHorizontal(int amount) {
        layoutManager.offsetChildrenHorizontal(amount);
    }

    public void offsetChildrenVertical(int amount) {
        layoutManager.offsetChildrenVertical(amount);
    }

    public void requestLayout() {
        layoutManager.requestLayout();
    }

    public void startSmoothScroll(RecyclerView.SmoothScroller smoothScroller) {
        layoutManager.startSmoothScroll(smoothScroller);
    }

    public void removeAllViews() {
        layoutManager.removeAllViews();
    }
}