package cn.flightfeather.thirdapp.dataanalysis;


import android.app.Fragment;
import android.content.Context;
import android.graphics.Color;
import android.icu.text.DecimalFormat;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.annotation.RequiresApi;
import android.support.v7.widget.DividerItemDecoration;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.github.mikephil.charting.animation.Easing;
import com.github.mikephil.charting.charts.PieChart;
import com.github.mikephil.charting.components.Legend;
import com.github.mikephil.charting.data.PieData;
import com.github.mikephil.charting.data.PieDataSet;
import com.github.mikephil.charting.data.PieEntry;
import com.github.mikephil.charting.formatter.PercentFormatter;
import com.github.mikephil.charting.utils.ColorTemplate;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Objects;

import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.Unbinder;
import cn.flightfeather.thirdapp.R;
import cn.flightfeather.thirdapp.adapter.AllRecyclerViewAdapter;
import cn.flightfeather.thirdapp.bean.vo.ProblemlistVo;
import cn.flightfeather.thirdapp.bean.vo.TaskVo;

/**
 * 2018.11.14
 * @author riku
 * 顶层任务的问题类型统计
 */
public class ProblemDetailFragment extends Fragment {

    private Context context;

    private static final String ARG_PARAM1 = "taskProgressVo";//参数标签

    private TaskVo taskProgressVo;//需要activity传入一个具体的顶层任务对象，用于显示其详细进度信息

    private Unbinder unbinder;


    public ProblemDetailFragment() {
        // Required empty public constructor
    }

    public static ProblemDetailFragment newInstance(TaskVo taskProgressVo) {
        ProblemDetailFragment fragment = new ProblemDetailFragment();
        Bundle args = new Bundle();
        args.putSerializable(ARG_PARAM1, taskProgressVo);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            taskProgressVo = (TaskVo) getArguments().getSerializable(ARG_PARAM1);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_analysis_problem_1, container, false);
        unbinder = ButterKnife.bind(this, view);
        return view;
    }


    @RequiresApi(api = Build.VERSION_CODES.N)
    @Override
    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        context = getActivity();
        initPieChart(view);
        initRecyclerView(view);
    }

    @Override
    public void onDestroyView() {
        super.onDestroyView();
        unbinder.unbind();
    }

    //<editor-fold desc="初始化饼图以及对应的列表">
    private List<ProblemlistVo> problemlists;//问题列表
    private ArrayList<PieEntry> entries = new ArrayList<>();//饼图数据
    private AllRecyclerViewAdapter<PieEntry> entryAdapter = null;//list列表适配器（问题统计数据）
    private final static int MAX_CHART_COUNT = 20; //饼图最多显示区块数
    private final static String REMAIN_PROBLEM = "其余";

    @BindView(R.id.rv_problem_type)
    RecyclerView rv_problem_type;

    @BindView(R.id.PC_problem)
    PieChart mChart;

    /**
     * 问题类型分布的列表
     * @param view 问题类型分布fragment
     */
    @RequiresApi(api = Build.VERSION_CODES.N)
    private void initRecyclerView(View view) {
        final DecimalFormat decimalFormat = new DecimalFormat("#0.00");
        rv_problem_type = (RecyclerView) view.findViewById(R.id.rv_problem_type);
        entryAdapter = new AllRecyclerViewAdapter<PieEntry>(entries, R.layout.item_day_task_progress, context) {
            @Override
            public void bindView(AllRecyclerViewAdapter.MyViewHolder holder, PieEntry obj, boolean bool, int position) {
                float total = 0;
                for (PieEntry entry : entries) {
                    total = total + entry.getValue();
                }
                holder.setText(R.id.tv_item1, entries.get(position).getLabel())
                        .setText(R.id.tv_item2, entries.get(position).getValue() + "")
                        .setText(R.id.tv_item3, decimalFormat.format(entries.get(position).getValue()/ total * 100) + "%");
            }
        };

        LinearLayoutManager layoutManager = new LinearLayoutManager(context);
        layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
        rv_problem_type.setLayoutManager(layoutManager);
        rv_problem_type.addItemDecoration(new DividerItemDecoration(context, DividerItemDecoration.VERTICAL));
        rv_problem_type.setAdapter(entryAdapter);
    }

    private void initPieChart(View view) {

        //饼图样式设置***************************************************************************************************
        mChart.setUsePercentValues(true);
        mChart.getDescription().setEnabled(false);
        mChart.setExtraOffsets(5, 10, 5, 5);
//        mChart.setExtraOffsets(20.f, 0.f, 20.f, 0.f);

        mChart.setDragDecelerationFrictionCoef(0.95f);

//        mChart.setCenterTextTypeface(mTfLight);
//        mChart.setCenterText(generateCenterSpannableText());

        mChart.setDrawHoleEnabled(true);
        mChart.setHoleColor(Color.WHITE);

        mChart.setTransparentCircleColor(Color.WHITE);
        mChart.setTransparentCircleAlpha(110);

        mChart.setHoleRadius(39f);
        mChart.setTransparentCircleRadius(41f);

        mChart.setDrawCenterText(true);

        mChart.setRotationAngle(0);
        // enable rotation of the chart by touch
        mChart.setRotationEnabled(true);
        mChart.setHighlightPerTapEnabled(true);

        Legend l = mChart.getLegend();
        l.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP);
        l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.LEFT);
        l.setOrientation(Legend.LegendOrientation.VERTICAL);
        l.setDrawInside(false);
        l.setXEntrySpace(7f);
        l.setYEntrySpace(0f);
        l.setYOffset(0f);

        // entry label styling
        mChart.setEntryLabelColor(Color.WHITE);
//        mChart.setEntryLabelTypeface(mTfRegular);
        mChart.setEntryLabelTextSize(12f);
        mChart.setDrawEntryLabels(false);

        //test
//        setData(new ArrayList<ProblemlistVo>());
        //

    }

    private void setData(List<ProblemlistVo> problemlists) {
        //数据初始化***************************************************************************************************
        entries.clear();

        PieDataSet dataSet = new PieDataSet(entries, "问题类型");

        //test*****
//        int count = 5;
//        int mult = 100;
//        String[] mParties = {"路面积尘", "地面局部未硬化", "站厂出入口无外围护", "无喷淋装置", REMAIN_PROBLEM};
//        for (int i = 0; i < count; i++) {
//            entries.add(new PieEntry((int) (Math.random() * mult) + mult / 5, mParties[i]));
//        }
        //*********

        //初始化数据
        HashMap<String, Integer> problemTypeMap = new HashMap<>();
        while (!problemlists.isEmpty()) {
            String problemType = problemlists.get(0).getTypename();
            if (problemType == null) {
                problemlists.remove(0);
                continue;
            }

            int problemCount = 0;
            for (int i = 0; i < problemlists.size(); i++) {
                if (Objects.equals(problemType, problemlists.get(i).getTypename())) {
                    problemCount++;
                    problemlists.remove(i);
                    i--;
                }
            }
            problemTypeMap.put(problemType, problemCount);
        }
        //按HashMap的value降序排序
        List<HashMap.Entry<String, Integer>> list = new ArrayList<>(problemTypeMap.entrySet());
        Collections.sort(list, new Comparator<HashMap.Entry<String, Integer>>() {
            @Override
            public int compare(HashMap.Entry<String, Integer> o1, HashMap.Entry<String, Integer> o2) {
                return o2.getValue().compareTo(o1.getValue());
            }
        });
//        problemTypeMap.clear();
//        problemTypeMap.entrySet().addAll(list);
        //初始化Entry,限定最多显示5个扇区，超出的合并为第5个扇区
        String remainProblemType = "";
        int remainProblemCount = 0;
        int chartcount = 0;
        for (HashMap.Entry<String, Integer> entry : list) {
            if (chartcount < MAX_CHART_COUNT - 1) {
                entries.add(new PieEntry((float)entry.getValue(), entry.getKey()));
            } else {
                remainProblemCount = remainProblemCount + entry.getValue();
                remainProblemType = entry.getKey();
            }
            chartcount++;
        }
        if (chartcount == MAX_CHART_COUNT) {
            entries.add(new PieEntry((float) remainProblemCount, remainProblemType));
        } else if (chartcount > MAX_CHART_COUNT) {
            entries.add(new PieEntry((float) remainProblemCount, REMAIN_PROBLEM));
        }

        // add a lot of colors
        ArrayList<Integer> colors = new ArrayList<>();

        for (int c : ColorTemplate.JOYFUL_COLORS)
            colors.add(c);

        for (int c : ColorTemplate.COLORFUL_COLORS)
            colors.add(c);

        for (int c : ColorTemplate.VORDIPLOM_COLORS)
            colors.add(c);

        for (int c : ColorTemplate.LIBERTY_COLORS)
            colors.add(c);

        for (int c : ColorTemplate.PASTEL_COLORS)
            colors.add(c);

        colors.add(ColorTemplate.getHoloBlue());

        dataSet.setColors(colors);

        //value line
        dataSet.setValueLinePart1OffsetPercentage(80.f);
        dataSet.setValueLinePart1Length(0.2f);
        dataSet.setValueLinePart2Length(0.4f);
        //dataSet.setXValuePosition(PieDataSet.ValuePosition.OUTSIDE_SLICE);
        dataSet.setYValuePosition(PieDataSet.ValuePosition.OUTSIDE_SLICE);

        //
        PieData data = new PieData(dataSet);
        data.setValueFormatter(new PercentFormatter());
        data.setValueTextSize(11f);
        data.setValueTextColor(Color.BLACK);
//        data.setValueTypeface(mTfLight);
        if (!entries.isEmpty()) {//数据全为空时，不显示
            mChart.setData(data);
        } else {
            mChart.setData(null);
        }
        mChart.setNoDataText("暂无数据");

        // undo all highlights
        mChart.highlightValues(null);

        mChart.animateY(1400, Easing.EasingOption.EaseInOutQuad);
    }
    //</editor-fold>

    /**
     * 按照搜索条件查询问题分布结果
     */
//    private void search() {
//        final SweetAlertDialog dialog = DialogUtil.createSweetLoadingDialog(getActivity(), "Loading...");
//        AreaVo areaVo = new AreaVo();
//        areaVo.setProvincecode(((Province)SP_province.getSelectedItem()).getProvincecode());
//        areaVo.setProvincename(((Province)SP_province.getSelectedItem()).getProvincename());
//        areaVo.setCitycode(((City)SP_city.getSelectedItem()).getCitycode());
//        areaVo.setCityname(((City)SP_city.getSelectedItem()).getCityname());
//        areaVo.setDistrictcode(((District)SP_district.getSelectedItem()).getDistrictcode());
//        areaVo.setDistrictname(((District)SP_district.getSelectedItem()).getDistrictname());
//        areaVo.setTowncode(((Town) SP_town.getSelectedItem()).getTowncode());
//        areaVo.setTownname(((Town) SP_town.getSelectedItem()).getTownname());
//        areaVo = gettime(areaVo);
//        int position = SP_scense_type.getSelectedItemPosition();
//        areaVo.setScensetypeid(scenseTypeData.get(position).getValue());
//        Call<List<ProblemlistVo>> getProblemByArea = problemListService.getByArea(areaVo);
//        getProblemByArea.enqueue(new Callback<List<ProblemlistVo>>() {
//            @Override
//            public void onResponse(Call<List<ProblemlistVo>> call, Response<List<ProblemlistVo>> response) {
//                if (response.body() != null) {
//                    problemlists = response.body();
//                }
//                setData(problemlists);
//                entryAdapter.notifyDataSetChanged();//刷新列表
//                DialogUtil.closeDialog(dialog);
//            }
//
//            @Override
//            public void onFailure(Call<List<ProblemlistVo>> call, Throwable t) {
//                setData(problemlists);
//                DialogUtil.closeDialog(dialog);
//            }
//        });
//
//        setChartTitle();//刷新标题
//        setDateDisplay();//刷新时间
//    }
}