package com.moral.screen.base;

import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.StaggeredGridLayoutManager;
import android.view.View;

import com.moral.andbrickslib.baseadapter.headandfooter.EndlessRecyclerOnScrollListener;
import com.moral.andbrickslib.baseadapter.headandfooter.ExStaggeredGridLayoutManager;
import com.moral.andbrickslib.baseadapter.headandfooter.HeaderAndFooterRecyclerViewAdapter;
import com.moral.andbrickslib.baseadapter.headandfooter.HeaderSpanSizeLookup;
import com.moral.andbrickslib.baseadapter.headandfooter.LoadingFooter;
import com.moral.andbrickslib.baseadapter.headandfooter.RecyclerViewStateUtils;
import com.moral.andbrickslib.baseadapter.headandfooter.SpaceItemDecoration;
import com.moral.andbrickslib.utils.DensityUtils;
import com.moral.screen.R;
import com.moral.screen.common.AppConfig;

import in.srain.cube.views.ptr.PtrClassicFrameLayout;
import in.srain.cube.views.ptr.PtrDefaultHandler;
import in.srain.cube.views.ptr.PtrFrameLayout;
import in.srain.cube.views.ptr.PtrHandler;
import in.srain.cube.views.ptr.header.MaterialHeader;

/**
 * ListActivity基类
 * Created by haijiang on 2017/5/2.
 */

public abstract class BaseListActivity extends BaseActivity{
    protected PtrClassicFrameLayout mPtrFrame;
    protected HeaderAndFooterRecyclerViewAdapter mHeaderAndFooterRecyclerViewAdapter = null;
    protected RecyclerView mRecyclerView;

    /**
     * 分页
     */
    protected int pageIndex = 1;
    protected int totalPage=0;
    protected boolean isRefresh,isLoadMore;

    @Override
    protected int getLayoutId() {
        return R.layout.base_list_layout;
    }

    @Override
    protected void initViews() {
        initTopBar();
        initMulitiStatusView(R.id.empty_layout);
        initRefreshView();
        setupRecyclerView();
        initOtherView();
    }

    /**
     * 加载其它view组件
     */
    protected abstract void initOtherView();

    /**
     * 加载更多数据
     */
    protected abstract void onLoadMore();

    /**
     * 刷新数据
     */
    protected abstract void onRefresh();

    //初始化刷新控件
    private void initRefreshView() {
        mPtrFrame = (PtrClassicFrameLayout) findViewById(R.id.rotate_header_list_view_frame);
        mPtrFrame.setLastUpdateTimeRelateObject(this);
        mPtrFrame.setPtrHandler(new PtrHandler() {
            @Override
            public void onRefreshBegin(PtrFrameLayout frame) {
                //刷新数据
                pageIndex = 1;
                isRefresh = true;
                isLoadMore = false;
                onRefresh();
            }
            @Override
            public boolean checkCanDoRefresh(PtrFrameLayout frame, View content, View header) {
                return PtrDefaultHandler.checkContentCanBePulledDown(frame, content, header);
            }
        });
        // header
        final MaterialHeader header = new MaterialHeader(this);
        int[] colors = getResources().getIntArray(R.array.google_colors);
        header.setColorSchemeColors(colors);
        header.setLayoutParams(new PtrFrameLayout.LayoutParams(-1, -2));
        header.setPadding(0, DensityUtils.dip2px(this, 15), 0, DensityUtils.dip2px(this, 10));
        header.setPtrFrameLayout(mPtrFrame);
        mPtrFrame.setLoadingMinTime(500);
        mPtrFrame.setDurationToCloseHeader(1000);
        mPtrFrame.setHeaderView(header);
        mPtrFrame.addPtrUIHandler(header);

        // default is false
        mPtrFrame.setPullToRefresh(false);
        // default is true
        mPtrFrame.setKeepHeaderWhenRefresh(true);
    }

    private void setupRecyclerView() {
        mRecyclerView = (RecyclerView) findViewById(R.id.recyclerview);
//      DividerItemDecoration  line = new DividerItemDecoration(this,DividerItemDecoration.VERTICAL_LIST);
//      mRecyclerView.addItemDecoration(line);
        mRecyclerView.setLayoutManager(new LinearLayoutManager(mRecyclerView.getContext()));
        mRecyclerView.addOnScrollListener(mOnScrollListener);
    }

    private EndlessRecyclerOnScrollListener mOnScrollListener = new EndlessRecyclerOnScrollListener() {

        @Override
        public void onLoadNextPage(View view) {
            super.onLoadNextPage(view);

            LoadingFooter.State state = RecyclerViewStateUtils.getFooterViewState(mRecyclerView);
            if(state == LoadingFooter.State.Loading||state == LoadingFooter.State.TheEnd) {
                return;
            }
            showFootViewLoading();
            isRefresh = false;
            isLoadMore = true;
            pageIndex++;
            onLoadMore();
        }
    };

    /**
     * 设置瀑布流
     */
    public void setRecyclerViewFall(){
        SpaceItemDecoration space = new SpaceItemDecoration(12);
        mRecyclerView.addItemDecoration(space);
        ExStaggeredGridLayoutManager manager = new ExStaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL);
        manager.setSpanSizeLookup(new HeaderSpanSizeLookup((HeaderAndFooterRecyclerViewAdapter) mRecyclerView.getAdapter(), manager.getSpanCount()));
        mRecyclerView.setLayoutManager(manager);
    }

    /**
     * 设置网格
     */
    public void setRecyclerViewGrid(){
        SpaceItemDecoration space = new SpaceItemDecoration(12);
        mRecyclerView.addItemDecoration(space);
        GridLayoutManager manager = new GridLayoutManager(this,2);
        manager.setSpanSizeLookup(new HeaderSpanSizeLookup((HeaderAndFooterRecyclerViewAdapter) mRecyclerView.getAdapter(), manager.getSpanCount()));
        mRecyclerView.setLayoutManager(manager);
    }

    /**
     * 设置rv顶部加载View
     */
    protected void showFootViewEnd(){
        RecyclerViewStateUtils.setFooterViewState(this, mRecyclerView, AppConfig.DEFAULT_SIZE, LoadingFooter.State.TheEnd, null);
    }
    protected void showFootViewLoading(){
        RecyclerViewStateUtils.setFooterViewState(BaseListActivity.this, mRecyclerView, AppConfig.DEFAULT_SIZE, LoadingFooter.State.Loading, null);
    }
    protected void showFootViewNormal(){
        RecyclerViewStateUtils.setFooterViewState(mRecyclerView, LoadingFooter.State.Normal);
    }
}