using System.Collections.Generic;
using System.Data;
using global::System.Drawing;
using System.Linq;

namespace Pilz.Drawing
{
    public static class HelpfulDrawingFunctions
    {
        public static bool IsPointInRectangle(PointF p, RectangleF rect)
        {
            var bList = new List<bool>();
            bList.Add(p.X > rect.Left);
            bList.Add(p.X < rect.Right);
            bList.Add(p.Y > rect.Top);
            bList.Add(p.Y < rect.Bottom);
            return !bList.Contains(false);
        }

        public static bool OverlapsTwoRectangles(RectangleF a, RectangleF b)
        {
            return a.IntersectsWith(b); // RectangleF.Intersect(a, b) <> RectangleF.Empty
        }

        public static bool RectangleContainsRectangle(RectangleF parent, RectangleF child)
        {
            return parent.Contains(child);
            // Return _
            // IsPointInRectangle(New PointF(child.Top, child.Left), parent) AndAlso
            // IsPointInRectangle(New PointF(child.Top, child.Right), parent) AndAlso
            // IsPointInRectangle(New PointF(child.Bottom, child.Left), parent) AndAlso
            // IsPointInRectangle(New PointF(child.Bottom, child.Right), parent)
        }

        public static RectangleF GetRectangle(PointF p1, PointF p2)
        {
            var rect = new RectangleF();
            bool startIsEnd = p1.X > p2.X && p1.Y > p2.Y;
            var xValues = new int[] { (int)p1.X, (int)p2.X };
            var yValues = new int[] { (int)p1.Y, (int)p2.Y };
            rect.Location = new PointF(xValues.OrderBy(n => n).First(), yValues.OrderBy(n => n).First());
            rect.Size = new SizeF(xValues.OrderByDescending(n => n).First(), yValues.OrderByDescending(n => n).First());
            rect.Size = new SizeF(rect.Size.Width - rect.Location.X, rect.Size.Height - rect.Location.Y);
            return rect;
        }
    }
}