package com.navigation.androidx;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Color;
import android.graphics.Point;
import android.util.TypedValue;
import android.view.View;
import android.view.WindowManager;

public class AppUtils {

    private static final String TAG = "Navigation";

    private AppUtils() {
    }

    public static boolean isDark(int color) {
        int grey = toGrey(color);
        return grey < 176;
    }

    public static int toGrey(int rgb) {
        int blue = rgb & 0x000000FF;
        int green = (rgb & 0x0000FF00) >> 8;
        int red = (rgb & 0x00FF0000) >> 16;
        return (red * 38 + green * 75 + blue * 15) >> 7;
    }

    public static boolean isOpaque(int color) {
        return Color.alpha(color) == 255;
    }

    public static int getScreenWidth(Context context) {
        WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
        Point size = new Point();
        wm.getDefaultDisplay().getSize(size);
        return size.x;
    }

    public static int fetchContextColor(Context context, int androidAttribute) {
        TypedValue typedValue = new TypedValue();
        TypedArray a = context.obtainStyledAttributes(typedValue.data, new int[]{androidAttribute});
        int color = a.getColor(0, 0);
        a.recycle();
        return color;
    }

    public static int dp2px(Context context, float dp) {
        float px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, context.getResources().getDisplayMetrics());
        return (int) px;
    }

}