using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Drawing;
using System.Drawing.Imaging;
using System.Collections;
using System.IO;
using FreeImageAPI;

public partial class Krapina : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string uploadDir = Request.MapPath("~/images");
        string thumbsDir = Request.MapPath("~/thumbs");
        int id = 0;
        string image = null;

        string[] fileSplit = null;
        string[] fileList = null;
        string[] idList = null;
        //  int[] idIntList;
        ArrayList idIntList = new ArrayList();
        //string thumb = "image_" + Request.QueryString["id"] + "_th.jpg";
        
        ImageConverter ic = new ImageConverter();

        Image img = (Image)ic.ConvertFrom(Request.BinaryRead(Request.TotalBytes));

        Image thumbnail = img.GetThumbnailImage(122, 149,new Image.GetThumbnailImageAbort(ThumbnailCallback), IntPtr.Zero);

        Bitmap bitmap = new Bitmap(img);
        Bitmap thumb = new Bitmap(thumbnail);

        ImageCodecInfo jgpEncoder = GetEncoder(ImageFormat.Jpeg);

        // Create an Encoder object based on the GUID
        // for the Quality parameter category.
        Encoder myEncoder = Encoder.Quality;

        // Create an EncoderParameters object.
        // An EncoderParameters object has an array of EncoderParameter
        // objects. In this case, there is only one
        // EncoderParameter object in the array.
        EncoderParameters myEncoderParameters = new EncoderParameters(1);

        // 100L = quality 100%
        EncoderParameter myEncoderParameter = new EncoderParameter(myEncoder, 100L);
        myEncoderParameters.Param[0] = myEncoderParameter;
       
        
        fileList = Directory.GetFiles(uploadDir);

        if (fileList.Length > 0)
        {
            foreach (string fileName in fileList)
            {
                fileSplit = fileName.Split(new Char[] { '\\' });
                idList = fileSplit[fileSplit.Length - 1].Split(new Char[] { '.' });
                id = Convert.ToInt32(idList[0]);
                idIntList.Add(id);
            }
            //
            idIntList.Sort();
            //
            id = Convert.ToInt32(idIntList[idIntList.Count - 1]);
            //
            id = id + 1;
            // Response.Write("id= " + id);
        }
        else
        {
            id = 0;
        }
        //
        image = id + ".jpg";
        //
        bitmap.Save(uploadDir + "\\" + image, jgpEncoder, myEncoderParameters);
        //
        //
        thumb.Save(thumbsDir + "\\" + image, jgpEncoder, myEncoderParameters);
        //     
        //
        Response.Write(image);
    }

    public bool ThumbnailCallback()
    {

        return false;

    }

    private ImageCodecInfo GetEncoder(ImageFormat format)
    {
        ImageCodecInfo[] codecs = ImageCodecInfo.GetImageDecoders();

        foreach (ImageCodecInfo codec in codecs)
        {
            if (codec.FormatID == format.Guid)
            {
                return codec;
            }
        }
        return null;
    }
}