using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;

namespace DeepNestLib
{
    public class RawDetail
    {
        public List<LocalContour> Outers = new List<LocalContour>();
        public List<LocalContour> Holes = new List<LocalContour>();

        public RectangleF BoundingBox()
        {
            GraphicsPath gp = new GraphicsPath();
            foreach (var item in Outers)
            {
                gp.AddPolygon(item.Points.ToArray());
            }
            return gp.GetBounds();
        }

        public string Name { get; set; }

        public NFP ToNfp()
        {
            NFP po = null;
            List<NFP> nfps = new List<NFP>();
            foreach (var item in Outers)
            {
                var nn = new NFP();
                nfps.Add(nn);
                foreach (var pitem in item.Points)
                {
                    nn.AddPoint(new SvgPoint(pitem.X, pitem.Y));
                }
            }

            if (nfps.Any())
            {
                var tt = nfps.OrderByDescending(z => z.Area).First();
                po = tt;
                po.Name = Name;

                foreach (var r in nfps)
                {
                    if (r == tt) continue;
                    if (po.children == null)
                    {
                        po.children = new List<NFP>();
                    }
                    po.children.Add(r);
                }
            }
            return po;
        }

        public void Offset(double v1, double v2)
        {
            for(int i=0;i<Outers.Count;i++)
            {
                var nn = Outers[i];
                for(int j=0;j<nn.Points.Count;j++)
                {
                    PointF pt = nn.Points[j];
                    nn.Points[j] = PointF.Add(pt, new SizeF((float)v1, (float)v2));
                }
            }
        }
    }
}