Gadgetbridge/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/SleepChartFragment.java

package nodomain.freeyourgadget.gadgetbridge.activities;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.graphics.Color;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.content.LocalBroadcastManager;
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.BarLineChartBase;
import com.github.mikephil.charting.components.XAxis;
import com.github.mikephil.charting.components.YAxis;
import com.github.mikephil.charting.data.BarData;
import com.github.mikephil.charting.data.BarDataSet;
import com.github.mikephil.charting.data.BarEntry;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.List;

import nodomain.freeyourgadget.gadgetbridge.ControlCenter;
import nodomain.freeyourgadget.gadgetbridge.GBActivitySample;
import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.GBDevice;
import nodomain.freeyourgadget.gadgetbridge.R;
import nodomain.freeyourgadget.gadgetbridge.charts.SleepUtils;


public class SleepChartFragment extends AbstractChartFragment {
    protected static final Logger LOG = LoggerFactory.getLogger(ActivitySleepChartFragment.class);

    private BarLineChartBase mChart;

    private int mSmartAlarmFrom = -1;
    private int mSmartAlarmTo = -1;
    private int mTimestampFrom = -1;
    private int mSmartAlarmGoneOff = -1;
    private GBDevice mGBDevice = null;

    private BroadcastReceiver mReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            if (action.equals(ACTION_REFRESH)) {
                // TODO: use LimitLines to visualize smart alarms?
                mSmartAlarmFrom = intent.getIntExtra("smartalarm_from", -1);
                mSmartAlarmTo = intent.getIntExtra("smartalarm_to", -1);
                mTimestampFrom = intent.getIntExtra("recording_base_timestamp", -1);
                mSmartAlarmGoneOff = intent.getIntExtra("alarm_gone_off", -1);
                refresh(mGBDevice, mChart);
            }
        }
    };

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.fragment_charts, container, false);

        Bundle extras = getActivity().getIntent().getExtras();
        if (extras != null) {
            mGBDevice = extras.getParcelable(GBDevice.EXTRA_DEVICE);
        }

        IntentFilter filter = new IntentFilter();
        filter.addAction(ControlCenter.ACTION_QUIT);
        filter.addAction(ACTION_REFRESH);

        LocalBroadcastManager.getInstance(getActivity()).registerReceiver(mReceiver, filter);

        mChart = (BarLineChartBase) rootView.findViewById(R.id.sleepchart);

        setupChart();

        return rootView;
    }

    private void setupChart() {
        mChart.setBackgroundColor(BACKGROUND_COLOR);
        mChart.setDescriptionColor(DESCRIPTION_COLOR);


        XAxis x = mChart.getXAxis();
        x.setDrawLabels(true);
        x.setDrawGridLines(false);
        x.setEnabled(true);
        x.setTextColor(CHART_TEXT_COLOR);
        x.setDrawLimitLinesBehindData(true);

        YAxis y = mChart.getAxisLeft();
        y.setDrawGridLines(false);
//        y.setDrawLabels(false);
        // TODO: make fixed max value optional
        y.setAxisMaxValue(1f);
        y.setDrawTopYLabelEntry(false);
        y.setTextColor(CHART_TEXT_COLOR);

//        y.setLabelCount(5);
        y.setEnabled(true);

        YAxis yAxisRight = mChart.getAxisRight();
        yAxisRight.setDrawGridLines(false);
        yAxisRight.setEnabled(false);
        yAxisRight.setDrawLabels(false);
        yAxisRight.setDrawTopYLabelEntry(false);
        yAxisRight.setTextColor(CHART_TEXT_COLOR);

        refresh(mGBDevice, mChart);

        mChart.getLegend().setTextColor(LEGEND_TEXT_COLOR);
//        mChart.getLegend().setEnabled(false);
//
//        mChart.animateXY(2000, 2000);

        // don't forget to refresh the drawing
        mChart.invalidate();
    }

    @Override
    public void onDestroy() {
        LocalBroadcastManager.getInstance(getActivity()).unregisterReceiver(mReceiver);
        super.onDestroy();
    }

    protected void setupLegend(BarLineChartBase chart) {
        List<Integer> legendColors = new ArrayList<>(3);
        List<String> legendLabels = new ArrayList<>(3);
        legendColors.add(akActivity.color);
        legendLabels.add(akActivity.label);
        legendColors.add(akLightSleep.color);
        legendLabels.add(akLightSleep.label);
        legendColors.add(akDeepSleep.color);
        legendLabels.add(akDeepSleep.label);
        chart.getLegend().setColors(legendColors);
        chart.getLegend().setLabels(legendLabels);
    }
}