package com.example.nihal.myapplication;

import android.app.ActivityManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.graphics.Paint;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import com.github.mikephil.charting.charts.BarChart;
import com.github.mikephil.charting.components.AxisBase;
import com.github.mikephil.charting.components.Description;
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 com.github.mikephil.charting.formatter.IAxisValueFormatter;

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

import static com.example.nihal.myapplication.SettingsActivity.PREFS_NAME;

/**
 * Created by Boiijek on 21/10/2017.
 */

public class MainActivity extends AppCompatActivity {
    final Context context = this;
    String setno, checkinglux, checkingtemp;
    Button testbutton;

    TextView textalertsends, tempalertsends, luxalertsends,emailalertsends, luxupdate, tempupdate;
    BroadcastReceiver updateUIReceiver;


    public static final String EXTRA_TEMP = "temp_extra";
    public static final String EXTRA_LUX = "lux_extra";

    private List<BarEntry> entries = new ArrayList<>();

    private List<String> times = new ArrayList<>();

    BarChart mChart;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);


        setContentView(R.layout.activity_profile);
        mChart = findViewById(R.id.chart);

        // Chart Properties
        Description description = new Description();
        description.setTextColor(Color.WHITE);
        description.setText("Live Temperature Data"); // Set description for Bar Chart
        mChart.setDescription(description);
        mChart.setDrawGridBackground(false); // Remove Grid
        mChart.getAxisLeft().setDrawGridLines(false);
        mChart.getXAxis().setDrawGridLines(false);
        mChart.getLegend().setTextColor(Color.YELLOW); // Set Legend Text to Yellow
        mChart.setTouchEnabled(true);  // Interactive options
        mChart.setDragEnabled(true);  // Interactive options
        mChart.setPinchZoom(true);   // Interactive options
        mChart.getRendererXAxis().getPaintAxisLabels().setTextAlign(Paint.Align.LEFT); // Align Label with Values

        // X-AXIS
        XAxis xAxis = mChart.getXAxis();
        xAxis.setValueFormatter(createDateFormatter());
        xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
        xAxis.setLabelCount(5);
        xAxis.setTextColor(Color.WHITE);


        // Y-AXIS
        mChart.getAxisRight().setEnabled(false);
        YAxis yAxis = mChart.getAxisLeft();
        yAxis.setDrawGridLines(false);  // Remove Grid
        yAxis = mChart.getAxisRight();
        yAxis.setDrawGridLines(false); // Remove Grid
        yAxis = mChart.getAxisLeft();
        yAxis.setTextColor(Color.WHITE); // Set Colour of Y-Axis's Text White


        // Set Data
        setYAxisValues();
        setXAxisValues();
        setData(entries);



        SharedPreferences settings = context.getSharedPreferences(PREFS_NAME, 0);
        setno = settings.getString("finalno", "NULL");
        checkingtemp = settings.getString("checkingtemp", "99999");
        checkinglux = settings.getString("checkinglux", "0");
        String sendingmail = (settings.getString("sendingmail", "fypspzcb2018@gmail.com"));
        textalertsends = (TextView) findViewById(R.id.textalertsends);
        tempalertsends = (TextView) findViewById(R.id.tempalertsends);
        emailalertsends = (TextView) findViewById(R.id.emailalertsends);
        luxalertsends = (TextView) findViewById(R.id.luxalertsends);


        textalertsends.setText("SMS Alerts sent to " + setno);
        tempalertsends.setText("Alerted when Temp. is over " + checkingtemp + "°C");
        luxalertsends.setText("Alerted when Lux is below " + checkinglux + " lux");
        emailalertsends.setText("Email Alerts sent to " + sendingmail);

        testbutton = (Button) findViewById(R.id.button55);


        {
            if (isMyServiceRunning() == false) {
                testbutton.setBackgroundColor(Color.GREEN);
                testbutton.setTextColor(Color.BLACK);
                testbutton.setText("Start Background Monitoring");
            } else {
                testbutton.setBackgroundColor(Color.RED);
                testbutton.setText("Stop Background Monitoring");

            }
        }


        testbutton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {


                if (isMyServiceRunning() == true) {
                    Intent intent = new Intent(MainActivity.this, TimeService.class);
                    stopService(intent);
                    testbutton.setBackgroundColor(Color.GREEN);
                    testbutton.setTextColor(Color.BLACK);
                    testbutton.setText("Start Background Monitoring");
                } else {
                    Intent intent = new Intent(MainActivity.this, TimeService.class);
                    startService(intent);
                    testbutton.setBackgroundColor(Color.RED);
                    testbutton.setText("Stop Background Monitoring");


                }
            }

        });



        IntentFilter filter = new IntentFilter();
        filter.addAction("com.example.nihal.myapplication.UPDATE_DATA");


        updateUIReceiver = new BroadcastReceiver() {

            @Override
            public void onReceive(Context context, Intent intent) {


                luxupdate = (TextView) findViewById(R.id.luxview);
                tempupdate = (TextView) findViewById(R.id.tempview);


                Calendar c = Calendar.getInstance();

                SimpleDateFormat df = new SimpleDateFormat("HH:mm:ss");
                String formattedDate = df.format(c.getTime());

                times.remove(0);
                times.add(4, formattedDate);

                int temp = intent.getIntExtra(EXTRA_TEMP, 0);
                int lux = intent.getIntExtra(EXTRA_LUX, 0);
                luxupdate.setText(lux + " lux");
                tempupdate.setText(temp + "°C");
                entries.remove(0);
                entries.add(4,new BarEntry(0f, temp));

                List<BarEntry> newEntries = new ArrayList<>();
                List<Integer> colors = new ArrayList<>();
                int green = Color.rgb(51, 204, 51);
                int red = Color.rgb(211, 87, 44);
                for(int i=0; i < 5; i++)
                {
                    newEntries.add(new BarEntry((float)i,entries.get(i).getY()));
                    Log.d("check", String.valueOf(entries.get(i).getY()));
                    Log.d("check", checkingtemp);


                    if(entries.get(i).getY() > Integer.parseInt(checkingtemp))
                    {
                        colors.add(red);

                    } else
                    {
                        colors.add(green);
                    }
                }
                setData(newEntries);
                Log.i("MainActivity", "UI is being updated "  + newEntries.get(3).getY());



            }
        };
        registerReceiver(updateUIReceiver, filter);

    }

    IAxisValueFormatter createDateFormatter() {
        IAxisValueFormatter formatter = new IAxisValueFormatter() {
            @Override
            public String getFormattedValue(float value, AxisBase axis) {
                axis.setTextColor(Color.WHITE);
                return times.get((int)value);

            }

            // we don't draw numbers, so no decimal digits needed
            public int getDecimalDigits() {
                return 0;
            }

        };

        return formatter;
    }


    private void setYAxisValues() {
        entries.add(new BarEntry(0f, 0f));
        entries.add(new BarEntry(1f, 0f));
        entries.add(new BarEntry(2f, 0f));
        entries.add(new BarEntry(3f, 0f));
        entries.add(new BarEntry(4f, 0f));

    }

    private void  setXAxisValues() {
        times.add("00:00:00");
        times.add("00:00:00");
        times.add("00:00:00");
        times.add("00:00:00");
        times.add("00:00:00");
    }

    private void setData(List<BarEntry> barEntries) {

        BarDataSet set = new BarDataSet(barEntries, "X Axis - Time // Y Axis - Temp");
        BarData data = new BarData(set);
        data.setBarWidth(0.5f); // set custom bar width
        mChart.setData(data);
        mChart.setFitBars(true); // make the x-axis fit exactly all bars
        mChart.invalidate();
        //mChart.animateY(1000);
        set.setColors(Color.MAGENTA);   // SETS Bar Colour
        set.setColor(colors); // THISS LINEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
        set.setValueTextColor(Color.WHITE); // SETS Bar's Value's Colour
    }



    public void startService(View view) {
        Intent intent = new Intent(this, TimeService.class);
        startService(intent);
    }

    public void stopService(View view) {
        Intent intent = new Intent(this, TimeService.class);
        stopService(intent);

    }

    private boolean isMyServiceRunning() {
        ActivityManager manager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
        for (ActivityManager.RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
            if (TimeService.class.getName().equals(service.service.getClassName())) {
                return true;
            }
        }
        return false;
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        unregisterReceiver(updateUIReceiver);
    }

    @Override
    public void onBackPressed() {
        finish();
        super.onBackPressed();
    }

}