package pyaterochka.app.helpers;

import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Point;
import android.support.v4.view.ViewCompat;
import android.view.Display;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.common.BitMatrix;
import java.util.EnumMap;
import java.util.Map;
import org.apache.commons.codec.binary.Base32;
import org.jboss.aerogear.security.otp.Totp;
import org.jboss.aerogear.security.otp.api.Clock;

public enum TotpPinGenerator {
    INSTANCE;

    private static byte[] hexToBytes(String str) {
        int length = str.length();
        byte[] bArr = new byte[(length / 2)];
        for (int i = 0; i < length; i += 2) {
            if (i >= length) {
                break;
            }
            bArr[i / 2] = (byte) ((Character.digit(str.charAt(i), 16) << 4) + Character.digit(str.charAt(i + 1), 16));
        }
        return bArr;
    }

    public Bitmap generateBarCode(Activity activity, String str, BarcodeFormat barcodeFormat) {
        Display defaultDisplay = activity.getWindowManager().getDefaultDisplay();
        Point point = new Point();
        defaultDisplay.getSize(point);
        return generateBarCode(str, barcodeFormat, point.x, (int) (((float) point.x) / 2.0f));
    }

    public Bitmap generateBarCode(String str, BarcodeFormat barcodeFormat, int i, int i2) {
        Map enumMap = new EnumMap(EncodeHintType.class);
        enumMap.put(EncodeHintType.MARGIN, Integer.valueOf(0));
        try {
            BitMatrix encode = new MultiFormatWriter().encode(str, barcodeFormat, i, i2, enumMap);
            int width = encode.getWidth();
            int height = encode.getHeight();
            int[] iArr = new int[(width * height)];
            for (int i3 = 0; i3 < height; i3++) {
                int i4 = i3 * width;
                for (int i5 = 0; i5 < width; i5++) {
                    iArr[i4 + i5] = encode.get(i5, i3) ? ViewCompat.MEASURED_STATE_MASK : -1;
                }
            }
            Bitmap createBitmap = Bitmap.createBitmap(width, height, Config.ARGB_4444);
            createBitmap.setPixels(iArr, 0, width, 0, 0, width, height);
            return createBitmap;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    public Bitmap generateQrCode(Activity activity, String str, BarcodeFormat barcodeFormat) {
        Display defaultDisplay = activity.getWindowManager().getDefaultDisplay();
        Point point = new Point();
        defaultDisplay.getSize(point);
        return generateBarCode(str, barcodeFormat, point.y, point.y);
    }

    public String generateTotpPin(String str, long j, int i) {
        return new Totp(new Base32().encodeToString(hexToBytes(str)), new Clock(0)).notNow(j / ((long) i));
    }
}