using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace yaf.pages
{
    public partial class UploadImage  : ForumPage
    {
        private DataRow forum, topic;

        protected void Page_Load(object sender, System.EventArgs e)
        {
            
            using (DataTable dt = DB.forum_list(PageBoardID, PageForumID))
                forum = dt.Rows[0];
            topic = DB.topic_info(PageTopicID);

            if (!IsPostBack)
            {
                if (!ForumModeratorAccess && !ForumUploadAccess)
                    Data.AccessDenied();

                if (!ForumReadAccess)
                    Data.AccessDenied();


                if (((int)forum["Flags"] & (int)ForumFlags.Locked) == (int)ForumFlags.Locked)
                    Data.AccessDenied(/*"The forum is closed."*/);

                Upload.Text = "Upload";//GetText("UPLOAD");

            }
        }



        private void Back_Click(object sender, System.EventArgs e)
        {
            Forum.Redirect(Pages.posts, "m={0}#{0}", Request.QueryString["m"]);
        }


        private void CheckValidFile(HtmlInputFile file)
        {
            if (file.PostedFile == null || file.PostedFile.FileName.Trim().Length == 0 || file.PostedFile.ContentLength == 0)
                return;

            string filename = file.PostedFile.FileName;
            int pos = filename.LastIndexOfAny(new char[] { '/', '\\' });
            if (pos >= 0)
                filename = filename.Substring(pos + 1);
            pos = filename.LastIndexOf('.');
            if (pos >= 0)
            {
                switch (filename.Substring(pos + 1).ToLower())
                {
                    case "jpg": break;
                    case "jpeg": break;
                    case "gif": break;
                    case "bmp": break;
                    default:
                        throw new Exception(String.Format(GetText("uploadimage","fileerror"), filename));
                }
            }
        }

        private void SaveAttachment(HtmlInputFile file)
        {
            if (file.PostedFile == null || file.PostedFile.FileName.Trim().Length == 0 || file.PostedFile.ContentLength == 0)
                return;

            string sUpDir = Request.MapPath(Config.UploadDir);
            string filename = file.PostedFile.FileName;

            int pos = filename.LastIndexOfAny(new char[] { '/', '\\' });
            if (pos >= 0) filename = filename.Substring(pos + 1);

            // verify the size of the attachment
            if (BoardSettings.MaxFileSize > 0 && file.PostedFile.ContentLength > BoardSettings.MaxFileSize)
                throw new Exception(GetText("ERROR_TOOBIG"));
            Random RandomClass = new Random();
            int prefix;
            prefix = RandomClass.Next();
            file.PostedFile.SaveAs(String.Format("{0}{1}_{2}", sUpDir, prefix, filename));
            litJavascript.Text = "<script language=javascript>if(opener && !opener.closed && opener.loadReturnedValue) \r\n {opener.loadReturnedValue('filename','" + String.Format("{1}_{2}", sUpDir, prefix, filename) + "'); \r\n window.close(); \r\n } \r\n </script>";
        }

        protected void Upload_Click1(object sender, EventArgs e)
        {
            try
            {
                CheckValidFile(File);
                SaveAttachment(File);
            }
            catch (Exception x)
            {
                DB.eventlog_create(PageUserID, this, x);
                AddLoadMessage(x.Message);
                return;
            }
        }



    }
}