namespace View_by_Distance.Shared.Models.Stateless.Methods;

internal abstract class Location
{

    internal static int GetNormalizedPixelPercentage(int bottom, int height, int left, int locationDigits, int locationFactor, int right, int top, int width, int zCount)
    {
        int result;
        double value;
        double total = width * height;
        Check(bottom, left, right, top, zCount);
        double xCenter = left + ((right - left) / 2);
        double yCenter = top + ((bottom - top) / 2);
        double at = ((yCenter - 1) * width) + xCenter;
        value = at / total;
        if (value < 0)
            value = 3;
        result = (int)(Math.Round(value, locationDigits) * locationFactor);
        string rightPadded = ILocation.GetRightPadded(locationDigits, result);
        if (result.ToString() != rightPadded)
            result = int.Parse(rightPadded);
        return result;
    }

    internal static void Check(int bottom, int left, int right, int top, int zCount)
    {
        if (left < 0)
            throw new Exception();
        if (right < 0)
            throw new Exception();
        if (right < left)
            throw new Exception();
        if (top < 0)
            throw new Exception();
        if (bottom < 0)
            throw new Exception();
        if (bottom < top)
            throw new Exception();
        if (zCount < 0)
            throw new Exception();
    }

    internal static void Check(int bottom, int height, int left, int right, int top, int width, int zCount)
    {
        if (bottom > height)
            throw new Exception();
        if (left > width)
            throw new Exception();
        if (right > width)
            throw new Exception();
        if (top > height)
            throw new Exception();
        if (zCount < 0)
            throw new Exception();
    }

    internal static void Check(int bottom, int left, int? normalizedPixelPercentage, int right, int top, int zCount)
    {
        Check(bottom, left, right, top, zCount);
        if (normalizedPixelPercentage.HasValue && normalizedPixelPercentage.Value < 0)
            throw new Exception();
    }

    internal static void Check(int bottom, int height, int left, int? normalizedPixelPercentage, int right, int top, int width, int zCount)
    {
        Check(bottom, left, right, top, zCount);
        Check(bottom, height, left, right, top, width, zCount);
        if (normalizedPixelPercentage.HasValue && normalizedPixelPercentage.Value < 0)
            throw new Exception();
    }

}