using System;
using System.Linq;
using System.Text;
using System.Drawing; 
using HNWD.Pregrant.Common;
using System.IO;

namespace HNWD.LatticeScreen.Server
{
    internal class MultPixelProgram : ProgramBase
    {
        private ushort[] pdata;
        private ushort WriteIndex = 0;
        public MultPixelProgram(LedLatticeScreen ledLatticeScreen)
            : base()
        {
             this.ledLatticeScreen = ledLatticeScreen;            
        }

        public override void SetEntity(Pregrant.Model.WD_ProgramInfo wd_ProgramInfo)
        {
            base.SetEntity(wd_ProgramInfo);

            byte[] byteArray = Convert.FromBase64String(GZipCompress.Decompress(this.wd_ProgramInfo.PROGRAM_MATRIX));
            Bitmap img = (Bitmap)System.Drawing.Image.FromStream(new MemoryStream(byteArray));

            this.pdata = new ushort[this.ledLatticeScreen.Width * this.ledLatticeScreen.Height * 2];
            this.WriteIndex = 0;


            for (ushort i = 0; i < img.Width; i++)
            {
                for (ushort j = 0; j < img.Height; j++)
                {
                    if (Color.Black.ToArgb() == img.GetPixel(i, j).ToArgb())
                    {
                        pdata[WriteIndex] = i;
                        WriteIndex++;
                        pdata[WriteIndex] = j;
                        WriteIndex++;
                    }
                }
            }
        }

        public override void PlayWithErase()
        {
            this.ledLatticeScreen.JHErase();

            ushort leng = 1200 / 2;
            int ntimes = WriteIndex % leng == 0 ? WriteIndex / leng : WriteIndex / leng + 1;

            int x = 0;
            int lengdata = leng;

            while (x < ntimes)
            {
                if (x == ntimes - 1)
                {
                    leng = (ushort)(WriteIndex % leng - 2);
                }

                this.responseByLedCommand = LedControl.JHDrawMultPixel(this.ledLatticeScreen.hdl, pdata.Skip(lengdata * x + 2).Take(leng).ToArray(), (ushort)(leng / 2));

                this.ResponseMessage(true);

                x++;
            }

        }

        public override void PlayWithoutErase()
        {

            ushort leng = 1200 / 2;
            int ntimes = WriteIndex % leng == 0 ? WriteIndex / leng : WriteIndex / leng + 1;

            int x = 0;
            int lengdata = leng;

            while (x < ntimes)
            {
                if (x == ntimes - 1)
                {
                    leng = (ushort)(WriteIndex % leng - 2);
                }

                this.responseByLedCommand = LedControl.JHDrawMultPixel(this.ledLatticeScreen.hdl, pdata.Skip(lengdata * x + 2).Take(leng).ToArray(), (ushort)(leng / 2));

                this.ResponseMessage(true);

                x++;
            }

        }
    }
}