package com.dinhcv.lifelogpedometer.activity;
  
  import android.app.DatePickerDialog;
  import android.content.Context;
  import android.graphics.Color;

  import android.hardware.Sensor;
  import android.hardware.SensorEvent;
  import android.hardware.SensorEventListener;
  import android.hardware.SensorManager;

  import android.os.Bundle;
  import android.support.annotation.Nullable;
  import android.util.Pair;
  import android.view.LayoutInflater;
  import android.view.Menu;
  import android.view.MenuInflater;
  import android.view.View;
  import android.view.ViewGroup;
  import android.widget.DatePicker;
  import android.widget.ImageView;

  import android.widget.LinearLayout;

  import android.widget.TextView;

  import android.widget.Toast;

  
  import com.dinhcv.lifelogpedometer.R;
  import com.dinhcv.lifelogpedometer.feature.Database;

  import com.dinhcv.lifelogpedometer.interfaces.LLAPIManagerListener;

  import com.dinhcv.lifelogpedometer.model.StepModel;

  import com.dinhcv.lifelogpedometer.portal.LLAPIManager;

  import com.dinhcv.lifelogpedometer.utils.Const;
  import com.dinhcv.lifelogpedometer.utils.DayAxisValueFormatter;

  import com.dinhcv.lifelogpedometer.utils.Debug;

  import com.dinhcv.lifelogpedometer.utils.Utils;
  import com.github.mikephil.charting.components.XAxis;
  import com.github.mikephil.charting.components.YAxis;
  
  import com.github.mikephil.charting.charts.BarChart;
  import com.github.mikephil.charting.data.BarData;
  import com.github.mikephil.charting.data.BarDataSet;
  import com.github.mikephil.charting.data.BarEntry;
  import com.github.mikephil.charting.interfaces.datasets.IBarDataSet;
  
  import org.eazegraph.lib.charts.PieChart;
  import org.eazegraph.lib.models.PieModel;

  import org.json.JSONArray;
  import org.json.JSONObject;

  
  import java.text.NumberFormat;
  import java.util.ArrayList;
  import java.util.Calendar;
  import java.util.Date;
  import java.util.List;
  import java.util.Locale;
  
  import static com.github.mikephil.charting.utils.ColorTemplate.rgb;

  public class TopFragment extends FragmentBase implements SettingFragmentPresenter, SensorEventListener {

  
      private TextView stepsView;

      private TextView tvStepGoal;

      private TextView tvDistance;
      private TextView tvStepRemain;
      private TextView tvStepRateDone;
      private boolean showSteps = true;
      private PieModel sliceGoal, sliceCurrent;
      private PieChart pg;
      private TextView tvDate;
      private ImageView ivBack;
      private ImageView ivNext;
      private ImageView ivPlay;

      private LinearLayout llBike;
      private LinearLayout llWalking;
      private LinearLayout llRunning;
      private Const.STEP_TYPE stepType;

  
      private Date mAnaDate;
      private Calendar mCalendar;
  
      private int mAnaDay;
      private int mAnaMonth;
      private int mAnaYear;

      public static int STEP_SIZE = 75;
      private StepModel mStepModel;

      private TextView tvSmallStepGoal;

      private TextView tvSmallRemain;

      private Context mContext;
  
      private SensorManager sensorManager;
      private boolean activityRunning;
      private int stepTotal = 0;
      private int stepRemain = 0;
      private int stepCount = 0;
  
      private BarChart mChart;
  
      private List<String> dateList;
      private String[] mParties;
      private Integer[] mStep;

  
      @Override
      public void onCreate(final Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setHasOptionsMenu(true);
      }
  
      @Override
      public View onCreateView(final LayoutInflater inflater, final ViewGroup container,
                               final Bundle savedInstanceState) {

          final View v = inflater.inflate(R.layout.fragment_top, null);
          mContext = getActivity();
          sensorManager = (SensorManager) mContext.getSystemService(Context.SENSOR_SERVICE);

          initView(v);

  
          // slice for the steps taken today
          sliceCurrent = new PieModel("", 0, Color.parseColor("#6FE7F7"));
          pg.addPieSlice(sliceCurrent);
  
          // slice for the "missing" steps until reaching the goal
          sliceGoal = new PieModel("", Const.STEP_GOAL, Color.parseColor("#B7B8B6"));
          pg.addPieSlice(sliceGoal);
          pg.setDrawValueInPie(false);
          pg.setUsePieRotation(false);
          pg.startAnimation();
          pg.setAutoCenterInSlice(false);
  
          mCalendar = Calendar.getInstance();
          mCalendar.setTime(new Date());
          mAnaDate = mCalendar.getTime();
          mAnaYear = mCalendar.get(Calendar.YEAR);
          mAnaMonth = mCalendar.get(Calendar.MONTH);
          mAnaDay = mCalendar.get(Calendar.DAY_OF_MONTH);
  
          tvDate.setText(Utils.dateToStringFormatDayMonthYearJp(mAnaDate));
  
          handleEvent();
  
          return v;
      }

      private void initView(View v){
          stepsView = (TextView) v.findViewById(R.id.steps);
          tvDistance = (TextView) v.findViewById(R.id.tv_distance);
          tvStepGoal = (TextView) v.findViewById(R.id.tv_stepGoal);
          tvStepRemain = (TextView) v.findViewById(R.id.tv_stepRemain);
          tvStepRateDone = (TextView) v.findViewById(R.id.tv_stepRateDone);
          tvSmallStepGoal = (TextView) v.findViewById(R.id.tv_smallStepGoal);
          tvSmallRemain = (TextView) v.findViewById(R.id.tv_smallRemain);
          tvDate = (TextView) v.findViewById(R.id.tv_date);
          ivBack = (ImageView) v.findViewById(R.id.iv_back);
          ivNext = (ImageView) v.findViewById(R.id.iv_next);
          ivPlay = (ImageView) v.findViewById(R.id.iv_play);
  
          mChart = (BarChart) v.findViewById(R.id.chart);
          pg = (PieChart) v.findViewById(R.id.graph);
      }

      private void stepsDistanceChanged() {
          updatePie();
          updateBars();
      }
  
  
      @Override
      public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) {
          inflater.inflate(R.menu.main, menu);
      }
  
  
      private void updatePie() {
          // todayOffset might still be Integer.MIN_VALUE on first start
          int steps_today = Math.max(todayOffset + since_boot, 0);
          sliceCurrent.setValue(steps_today);
          if (Const.STEP_GOAL - steps_today > 0) {
              // goal not reached yet
              if (pg.getData().size() == 1) {
                  pg.addPieSlice(sliceGoal);
              }
              sliceGoal.setValue(Const.STEP_GOAL - steps_today);
          } else {
              // goal reached
              pg.clearChart();
              pg.addPieSlice(sliceCurrent);
          }
          pg.update();
  
          stepsView.setText(formatter.format(steps_today));
          int remain = Const.STEP_GOAL - steps_today;
          tvStepRemain.setText(String.valueOf(remain));
          tvStepRateDone.setText(getResources().getString(R.string.percent_unit, Utils.convert2String2Decimal(steps_today *100/ Const.STEP_GOAL)));
          tvSmallRemain.setText(getResources().getString(R.string.pie_text_content3a, remain));
  
          double distance_today = steps_today * STEP_SIZE;
          distance_today /= 100000;
          tvDistance.setText(Utils.convert2String2Decimal(distance_today));
  
      }
  
      /**
       * Updates the bar graph to show the steps/distance of the last week. Should
       * be called when switching from step count to distance.
       */
      private void updateBars() {
  
          dateList = new ArrayList<>();
          List<Integer> stepList = new ArrayList<>();
  
          Database db = Database.getInstance(getActivity());
          List<Pair<Long, Integer>> last = db.getLastEntries(8, mAnaDate);
          db.close();
          for (int i = last.size() - 1; i > 0; i--) {
              Pair<Long, Integer> current = last.get(i);
              int step = current.second;
              Date date = new Date(current.first);
              stepList.add(step);
              dateList.add(String.valueOf(Utils.getDay(date)));
          }
  
          mStep = stepList.toArray(new Integer[0]);
          mParties = dateList.toArray(new String[0]);
  
          initGraph();
      }

  
      private void initGraph(){
  
          mChart.setDrawBarShadow(false);
          mChart.setDrawValueAboveBar(true);
  
          // if more than 60 entries are displayed in the chart, no values will be
          // drawn
          mChart.setMaxVisibleValueCount(60);
  
          mChart.getDescription().setEnabled(false);
          // scaling can now only be done on x- and y-axis separately
          mChart.setPinchZoom(false);
  
          mChart.setDrawGridBackground(false);
          // mChart.setDrawYLabels(false);
  
          DayAxisValueFormatter xValueFormatter = new DayAxisValueFormatter(dateList);
  
          XAxis xAxis = mChart.getXAxis();
          xAxis.setLabelRotationAngle(0);
          xAxis.setPosition(XAxis.XAxisPosition.TOP);
          xAxis.setDrawGridLines(true);
          xAxis.setLabelCount(10);
          xAxis.setTextColor(Color.WHITE);
          xAxis.setValueFormatter(xValueFormatter);
  
  
          YAxis leftAxis = mChart.getAxisLeft();
          leftAxis.setDrawLabels(false);
          leftAxis.setDrawGridLines(false);
          leftAxis.setAxisMinimum(0f);
          leftAxis.setAxisMaximum(10000f);
          leftAxis.setDrawZeroLine(false);
  
          leftAxis.setEnabled(false);
          mChart.setDrawValueAboveBar(false);
          mChart.getAxisRight().setEnabled(false);
  
          // set auto scale min max
          mChart.setAutoScaleMinMaxEnabled(true);
          mChart.notifyDataSetChanged();
  
          // Set enimate y
          mChart.animateY(2000);
  
          setData();
  
          mChart.getLegend().setEnabled(false);
      }
  
  
      private void setData() {
  
          ArrayList<String> xVals = new ArrayList<>();
          for (int i = 0; i < mStep.length; i++) {
              xVals.add(mParties[i % mStep.length]);
          }
  
          ArrayList<BarEntry> yVals1 = new ArrayList<>();
          for (int i = 0; i < mStep.length; i++) {
              float val = (float) (mStep[i]*1);
              yVals1.add(new BarEntry(i, val));
          }
  
          BarDataSet set1;
  
          if (mChart.getData() != null && mChart.getData().getDataSetCount() > 0) {
              set1 = (BarDataSet)mChart.getData().getDataSetByIndex(0);
              set1.setValues(yVals1);
              mChart.getData().notifyDataChanged();
              mChart.notifyDataSetChanged();
          } else {
              ArrayList<Integer> colors = new ArrayList<>();
  
  
              int[] MATERIAL_COLORS = {rgb("#40CDEF")};
  
              for (int c : MATERIAL_COLORS)
                  colors.add(c);
  
              set1 = new BarDataSet(yVals1, null);
  
              set1.setColors(colors);
  
              ArrayList<IBarDataSet> dataSets = new ArrayList<>();
              dataSets.add(set1);
  
              BarData data = new BarData(dataSets);
              data.setValueTextSize(10f);
  
              mChart.setData(data);
          }
      }
  
  
  
      private void handleEvent(){
          tvDate.setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View view) {
                  handleAnaDatePicker();
              }
          });
  
          ivBack.setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View view) {
                  mCalendar = Calendar.getInstance();
                  mCalendar.setTime(mAnaDate);
                  mCalendar.add(Calendar.DAY_OF_MONTH, -1);
                  Date date = mCalendar.getTime();
                  tvDate.setText(Utils.dateToStringFormatDayMonthYearJp(date));
                  mAnaDate = date;
              }
          });
  
          ivNext.setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View view) {
                  mCalendar = Calendar.getInstance();
                  mCalendar.setTime(mAnaDate);
                  mCalendar.add(Calendar.DAY_OF_MONTH, +1);
                  Date date = mCalendar.getTime();
                  tvDate.setText(Utils.dateToStringFormatDayMonthYearJp(date));
                  mAnaDate = date;
              }
          });

          llWalking.setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View view) {
                  stepType = Const.STEP_TYPE.WALKING;
                  updateUiStepType(false, true, false);
                  // add data
                  getTopData(mAnaDate, stepType);
              }
          });
  
          llRunning.setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View view) {
                  stepType = Const.STEP_TYPE.RUNNING;
                  updateUiStepType(false, false, true);
                  // add
                  getTopData(mAnaDate, stepType);
              }
          });
  
          llBike.setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View view) {
                  stepType = Const.STEP_TYPE.BIKE;
                  updateUiStepType(true, false, false);
                  // add data
                  getTopData(mAnaDate, stepType);
              }
          });
  
  
      }

      private void updateUiStepType(boolean b1, boolean b2, boolean b3) {
          llBike.setSelected(b1);
          llWalking.setSelected(b2);
          llRunning.setSelected(b3);

      }
  
  
      /**
       * Show date picker dialog
       */
      private void handleAnaDatePicker() {
  
          new DatePickerDialog(getActivity(), new DatePickerDialog.OnDateSetListener() {
              @Override
              public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
  
                  mCalendar = Calendar.getInstance();
                  mCalendar.set(year, monthOfYear, dayOfMonth);
                  mAnaYear = year;
                  mAnaMonth = monthOfYear;
                  mAnaDay = dayOfMonth;
                  Date date = mCalendar.getTime();
                  tvDate.setText(Utils.dateToStringFormatDayMonthYearJp(date));
                  mAnaDate = date;
              }
          }, mAnaYear, mAnaMonth, mAnaDay).show();
  
      }

      private void getTopData(Date date, Const.STEP_TYPE stepType){
  
          showDialog(mContext);
          LLAPIManager.homePage(date, stepType, new LLAPIManagerListener() {
              @Override
              public void onError(Error error) {
                  Debug.error("Get data history error");
                  hiddenDialog();
                  showDialogNotData();
              }
  
              @Override
              public void onSuccess(String json) {
                  Debug.error("Get data history success");
                  hiddenDialog();
                  loadDataDone(json);
              }
  
              @Override
              public void onSuccess(JSONObject object) {
                  Debug.error("Get data history success");
                  hiddenDialog();
              }
          });
      }
  
      private void showDialogNotData(){
          showAlerDialog(mContext, getResources().getString(R.string.can_not_get_data));
      }
  
      private void loadDataDone(String jsonString) {
          JSONObject jsonObject = null;
          try {
              jsonObject = new JSONObject(jsonString);
              int status = jsonObject.optInt("status");
              if (status == 1) {
                  JSONObject jsonObject1 = jsonObject.optJSONObject("result");
                  JSONObject targetInf = jsonObject1.getJSONObject("targetInf");
                  JSONArray listNotice = jsonObject1.getJSONArray("listNotice");
  
                  if (targetInf != null){
                      String target = targetInf.optString("target_step");
                      Debug.normal("Target: "+ target);
                      mTagetInfo.setTaget(targetInf.optString("target_step"));
                      mTagetInfo.setSteps(targetInf.optString("num_step"));
                      mTagetInfo.setStepRemain(targetInf.optString("remaining_step"));
                      mTagetInfo.setCompletePercent(targetInf.optString("complete_percent"));
                  }
  
                  if (listNotice != null && listNotice.length() > 0) {
                      List<NoticeInfo> infoLists = new ArrayList<>();
                      for (int i = 0; i < listNotice.length(); i++){
                          NoticeInfo noticeInfo = new NoticeInfo();
                          JSONObject ob = (JSONObject) listNotice.get(i);
                          noticeInfo.setId(ob.optInt("id"));
                          noticeInfo.setContent(ob.optString("notice_content"));
                          infoLists.add(noticeInfo);
                      }
  
                      mTagetInfo.setNoticeList(infoLists);
                  }

              }
          } catch (JSONException e) {
              e.printStackTrace();
              mTagetInfo = new TagetInfo();;
          }
  
          loadUI();
      }
  
  
      private void loadUI(){
          tvStep.setText(String.valueOf(mTagetInfo.getSteps()));
          tvRemain.setText(String.valueOf(mTagetInfo.getStepRemain()));
          tvRateDone.setText(getResources().getString(R.string.percent_unit, mTagetInfo.getCompletePercent()));
  
          List<NoticeInfo> infoLists = mTagetInfo.getNoticeList();
          if (infoLists != null && infoLists.size() >0){
              mNoticeAdapter = new NoticeAdapter(mContext, infoLists);
              lvNotice.setAdapter(mNoticeAdapter);
              lvNotice.setExpanded(true);
          }
  
      }
  
      private void updateUI(){
          stepTotal  = stepTotal + stepCount;
          stepRemain  = stepRemain - stepCount;
          double percentDone = stepTotal *100.0 / (stepTotal + stepRemain);
          tvStep.setText(String.valueOf(stepTotal));
          tvRemain.setText(mTagetInfo.getStepRemain());
          tvRateDone.setText(getResources().getString(R.string.percent_unit, Utils.convert2String2Decimal(percentDone)));
      }

  
      @Override
      public void onAttach(Context context) {
          super.onAttach(context);
  
      }
  
      private void initData() {
  
      }
  
      @Override
      public void onSaveData() {
  
      }
  
      @Override
      public void onInvalidate(boolean isInit) {
          initData();
      }
  
      @Override
      public void onViewStateRestored(@Nullable Bundle savedInstanceState) {
          super.onViewStateRestored(savedInstanceState);
  
          initData();
      }

  
      @Override
      public void onResume() {
          super.onResume();
          activityRunning = true;
          Sensor countSensor = sensorManager.getDefaultSensor(Sensor.TYPE_STEP_COUNTER);
          if (countSensor != null) {
              sensorManager.registerListener(this, countSensor, SensorManager.SENSOR_DELAY_UI);
          } else {
              Toast.makeText(mContext, getResources().getString(R.string.sensor_available), Toast.LENGTH_SHORT).show();
          }
      }
  
      @Override
      public void onSensorChanged(SensorEvent event) {
          if (activityRunning){
              stepCount = (int) event.values[0];
              // update UI
              updateUI();
          }
      }
  
      @Override
      public void onAccuracyChanged(Sensor sensor, int accuracy) {
  
      }
  
      @Override
      public void onPause() {
          super.onPause();
          activityRunning = false;
      }
  
      @Override
      public void onDestroy() {
          super.onDestroy();
  
  
      }
  
      private void creatLogStep(Date date, Const.STEP_TYPE stepType){
  
          LLAPIManager.homePage(date, stepType, new LLAPIManagerListener() {
              @Override
              public void onError(Error error) {
                  Debug.error("Get data history error");
              }
  
              @Override
              public void onSuccess(String json) {
                  Debug.error("Get data history success");
                  hiddenDialog();
                  loadDataDone(json);
              }
  
              @Override
              public void onSuccess(JSONObject object) {
                  Debug.error("Get data history success");
              }
          });
      }

  }