RadonColorCalculator.java

package com.airthings.airthings;

import android.util.Log;
import java.util.Locale;

public class RadonColorCalculator {
    private static final String TAG = RadonColorCalculator.class.getSimpleName();
    private String countryCode;
    private int radonCalcWindowHours;
    private float redLongTermLevel;
    private float redShortTermLevel;
    private float yellowLevel;

    public RadonColorCalculator() {
        this.countryCode = "";
        this.radonCalcWindowHours = 720;
        this.yellowLevel = 100.0f;
        this.redShortTermLevel = 1000.0f;
        this.redLongTermLevel = 100.0f;
        this.countryCode = Locale.getDefault().getCountry();
        init();
    }

    RadonColorCalculator(Locale locale) {
        this.countryCode = "";
        this.radonCalcWindowHours = 720;
        this.yellowLevel = 100.0f;
        this.redShortTermLevel = 1000.0f;
        this.redLongTermLevel = 100.0f;
        this.countryCode = locale.getCountry();
        init();
    }

    public RadonColorCalculator(float latitude, float longitude) {
        this.countryCode = "";
        this.radonCalcWindowHours = 720;
        this.yellowLevel = 100.0f;
        this.redShortTermLevel = 1000.0f;
        this.redLongTermLevel = 100.0f;
        init();
    }

    public RadonColorCalculator(String countryCode) {
        this.countryCode = "";
        this.radonCalcWindowHours = 720;
        this.yellowLevel = 100.0f;
        this.redShortTermLevel = 1000.0f;
        this.redLongTermLevel = 100.0f;
        if (countryCode == null) {
            this.countryCode = Locale.getDefault().getCountry();
        } else {
            this.countryCode = countryCode;
        }
        init();
    }

    public RadonColorCalculator(float yellowLevel, float redLevel, int radonCalcWindowDays) {
        this.countryCode = "";
        this.radonCalcWindowHours = 720;
        this.yellowLevel = 100.0f;
        this.redShortTermLevel = 1000.0f;
        this.redLongTermLevel = 100.0f;
        this.radonCalcWindowHours = radonCalcWindowDays * 24;
        this.yellowLevel = yellowLevel;
        this.redShortTermLevel = redLevel;
        this.redLongTermLevel = yellowLevel;
    }

    private void init() {
        String str = this.countryCode;
        Object obj = -1;
        switch (str.hashCode()) {
            case 2142:
                if (str.equals("CA")) {
                    obj = 2;
                    break;
                }
                break;
            case 2183:
                if (str.equals("DK")) {
                    obj = 3;
                    break;
                }
                break;
            case 2497:
                if (str.equals("NO")) {
                    obj = null;
                    break;
                }
                break;
            case 2642:
                if (str.equals("SE")) {
                    obj = 4;
                    break;
                }
                break;
            case 2718:
                if (str.equals("US")) {
                    obj = 1;
                    break;
                }
                break;
        }
        switch (obj) {
            case null:
                this.radonCalcWindowHours = 1440;
                this.yellowLevel = 100.0f;
                this.redShortTermLevel = 1000.0f;
                this.redLongTermLevel = 100.0f;
                return;
            case 1:
                this.radonCalcWindowHours = 720;
                this.yellowLevel = 148.0f;
                this.redShortTermLevel = MeasurementDefines.US_RADON_SHORT_TERM_RED_LEVEL;
                this.redLongTermLevel = 148.0f;
                return;
            case 2:
                this.radonCalcWindowHours = MeasurementDefines.CA_SHORT_TERM_DURATION_HOURS;
                this.yellowLevel = 300.0f;
                this.redShortTermLevel = 1000.0f;
                this.redLongTermLevel = 300.0f;
                return;
            case 3:
                this.radonCalcWindowHours = 1440;
                this.yellowLevel = 200.0f;
                this.redShortTermLevel = 1000.0f;
                this.redLongTermLevel = 200.0f;
                return;
            case 4:
                this.radonCalcWindowHours = 1440;
                this.yellowLevel = 200.0f;
                this.redShortTermLevel = 1000.0f;
                this.redLongTermLevel = 200.0f;
                return;
            default:
                this.radonCalcWindowHours = 720;
                this.yellowLevel = 100.0f;
                this.redShortTermLevel = 1000.0f;
                this.redLongTermLevel = 100.0f;
                return;
        }
    }

    public float getYellowLevel() {
        return this.yellowLevel;
    }

    public float getShortTermRedLevel() {
        return this.redShortTermLevel;
    }

    public int getRadonCalcWindowHours() {
        return this.radonCalcWindowHours;
    }

    public int determineColorForAverageOverTime(float radonLevel, int numHours) {
        if (numHours < 1) {
            return 0;
        }
        return determineColor(numHours, radonLevel);
    }

    private int determineColor(int numHours, float radonLevel) {
        Log.d(TAG, "num hours: " + numHours + ", radonLevel:" + radonLevel);
        if (radonLevel < this.yellowLevel) {
            return 1;
        }
        if (numHours < this.radonCalcWindowHours) {
            if (radonLevel < this.redShortTermLevel) {
                return 2;
            }
            return 3;
        } else if (radonLevel < this.redLongTermLevel) {
            return 1;
        } else {
            return 3;
        }
    }
}