using System;
using System.Data;

using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Text.RegularExpressions;

public partial class EditTextContent : WebBlockUserControl
{
    public bool ContainedInIFrame
    {
        get { return (ViewState["ContainedInIFrame"] == DBNull.Value ? false : (bool)ViewState["ContainedInIFrame"]); }
        set { ViewState["ContainedInIFrame"] = value; }
    }

    private int DraftID
    {
        get { return (ViewState["DraftID"] == null ? 0 : (int)ViewState["DraftID"]); }
        set { ViewState["DraftID"] = value; }
    }

    private void Page_Load(object sender, System.EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            if (Request.UrlReferrer != null)
                Session["returnPath"] = Request.UrlReferrer.AbsoluteUri;

            if (Request.QueryString["ContentTitle"] != null)
            {
                pnlLive.Visible = true;

                DataRow dr = Database.TextBlock_Get(Request.QueryString["ContentTitle"]);

                if (dr == null)
                    throw new Exception("Invalid Block Title.");

                litHeader.Text = "Edit Text Block - " + (string)dr["ContentTitle"];
                litContentTitle.Text = (string)dr["ContentTitle"];
                txtContent.Value = (string)dr["ContentText"];
                DraftID = (dr["DraftID"] == DBNull.Value ? 0 : (int)dr["DraftID"]);

                if (DraftID > 0)
                {
                    litHeader.Text += " <span style='color: red'>(DRAFT)</span>";
                    btnDraftDelete.Visible = true;
                }
                else
                    btnDraftDelete.Visible = false;
            }
        }
    }

    private void Complete()
    {
        if (ContainedInIFrame)
        {
            Page.ClientScript.RegisterStartupScript(typeof(string), "success", "parent.window.location.reload();", true);
        }
        else
        {
            string returnPath;
            if (Session["returnPath"] != null)
                returnPath = (string)Session["returnPath"];
            else
                returnPath = "ShowAllBlocks.aspx";

            Response.Redirect(returnPath);
        }
    }

    protected void btnSubmit_Click1(object sender, EventArgs e)
    {
        #region crazy pixelated image replacement doohickey
        Regex r = new Regex("<a href=\"(?<original>.*)\"><img (.* )?width=\"(?<width>[^\"]+)\" (.* )?height=\"(?<height>[^\"]+)\" (.* )?src=\"(?<thumbnail>[^\"]*)\" (.*)?/></a>");
        Match m = r.Match(txtContent.Value);

        if (!m.Success) // match against an alternate criteria if this fails
        {
            r = new Regex("<a href=\"(?<original>.*)\"><img (.* )?style=\"width: (?<width>[^\"]+)px; height: (?<height>[^\"]+)px;\" (.* )?src=\"(?<thumbnail>[^\"]*)\" (.*)?/></a>");
            m = r.Match(txtContent.Value);
        }

        while (m.Success)
        {
            string orig = Server.MapPath(m.Groups["original"].Captures[0].Value);
            int width = Int32.Parse(m.Groups["width"].Captures[0].Value);
            int height = Int32.Parse(m.Groups["height"].Captures[0].Value);
            string thumb = Server.MapPath(m.Groups["thumbnail"].Captures[0].Value);

            if (System.IO.File.Exists(orig))
            {
                // resize the image and save it, with the new size, into the thumbnail
                Graphix.GetSizedImage(orig, width, height).Save(thumb);
            }

            m = m.NextMatch();
        }
        #endregion

        if (DraftID > 0)
            Database.TextBlock_DeleteDraft(DraftID);

        Database.TextBlock_Update(litContentTitle.Text, txtContent.Value);

        Complete();
    }

    protected void btnSaveToDraft_Click(object sender, EventArgs e)
    {
        if (DraftID == 0)
            Database.TextBlock_CreateDraft(litContentTitle.Text, txtContent.Value);
        else
            Database.TextBlock_UpdateDraft(DraftID, litContentTitle.Text, txtContent.Value);

        Complete();
    }

    protected void btnCancel_Click(object sender, EventArgs e)
    {
        Complete();
    }

    protected void btnDraftDelete_Click(object sender, EventArgs e)
    {
        Database.TextBlock_DeleteDraft(DraftID);

        Complete();
    }
}