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;

public partial class Admin_EditSelector_Photos : WebBlocks.AdministrativePage
{
    private const string TinyDir = "~/ProductPhotos/Tiny/";
    private const string SmallDir = "~/ProductPhotos/Small/";
    private const string MediumDir = "~/ProductPhotos/Medium/";
    private const string LargeDir = "~/ProductPhotos/Large/";

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

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

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            if (Request["SelectorID"] != null)
                SelectorID = Int32.Parse(Request["SelectorID"]);

            BindPhotos();
        }
    }

    private void BindPhotos()
    {
        DataTable dt = Database.PhotoSets_GetBySelectorID(SelectorID);

        if (dt.Rows.Count > 0)
            imgPrimary.ImageUrl = "../LiveImage.ashx?preset=medium&img=ProductPhotos/" + (string)dt.Rows[0]["Filename"];
        else
            imgPrimary.ImageUrl = "../LiveImage.ashx?preset=medium&img=ProductPhotos/noPhoto.gif";

        dlPhotos.DataSource = dt;
        dlPhotos.DataBind();

        btnDelete.Visible = (dt.Rows.Count > 0);
        btnSetPrimary.Visible = (dt.Rows.Count > 0);
    }

    private void BindEdit()
    {
        DataRow dr = Database.PhotoSets_Get(PhotoSetID);

        FileSingle.Filename = (string)dr["Filename"];
        litPhotoSetID.Text = dr["PhotoSetID"].ToString();
        imgPrimary.ImageUrl = "../LiveImage.ashx?preset=medium&img=ProductPhotos/" + (string)dr["Filename"];
        txtCaption.Text = (string)dr["Caption"];
    }

    protected void btnSave_Click(object sender, EventArgs e)
    {
        if (Request["Wizard"] != null)
        {
            Response.Redirect("EditSelector_ProductAttributes.aspx?Wizard=1&SelectorID=" + SelectorID);
        }
        else
            Response.Redirect("EditSelector_ProductAttributes.aspx?SelectorID=" + SelectorID);
    }

    protected void btnSetPrimary_Click(object sender, EventArgs e)
    {
        int SelectedPhotoSetID = 0;

        foreach (DataListItem dli in dlPhotos.Items)
        {
            RadioButton rbSelect = (RadioButton)dli.Controls[3];

            if (rbSelect.Checked)
                SelectedPhotoSetID = (int)dlPhotos.DataKeys[dli.ItemIndex];
        }

        if (SelectedPhotoSetID > 0)
        {
            Database.PhotoSets_SetDefaultPhoto(SelectorID, SelectedPhotoSetID);

            BindPhotos();
        }
    }

    protected void btnDelete_Click(object sender, EventArgs e)
    {
        int SelectedPhotoSetID = 0;

        foreach (DataListItem dli in dlPhotos.Items)
        {
            RadioButton rbSelect = (RadioButton)dli.Controls[3];

            if (rbSelect.Checked)
                SelectedPhotoSetID = (int)dlPhotos.DataKeys[dli.ItemIndex];
        }

        if (SelectedPhotoSetID > 0)
        {
            DeletePhoto(SelectedPhotoSetID);
            BindPhotos();
        }
    }

    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        Page.Validate("Upload");
        if (Page.IsValid)
        {
            if (PhotoSetID == 0)
                Database.PhotoSets_Add(SelectorID, FileSingle.Filename, txtCaption.Text);
            else
                Database.PhotoSets_Update(PhotoSetID, SelectorID, FileSingle.Filename, txtCaption.Text);

            PhotoSetID = 0;

            // all we have to do is clear the state
            litPhotoSetID.Text = "New Photo";
            FileSingle.Filename = "";
            txtCaption.Text = "";
            BindPhotos();
        }
    }

    protected void dlPhotos_ItemCommand(object source, DataListCommandEventArgs e)
    {
        if (e.CommandName == "ed")
        {
            PhotoSetID = (int)dlPhotos.DataKeys[e.Item.ItemIndex];

            BindEdit();
        }
    }

    private void DeletePhoto(int psId)
    {
        DataRow dr = Database.PhotoSets_Get(psId);

        string Filename = (string)dr["Filename"];
        Utilities.DeleteProductPhoto(Filename);

        Database.PhotoSets_Delete(psId);
    }

    protected void custFileSingle_ServerValidate(object source, ServerValidateEventArgs args)
    {
        args.IsValid = (FileSingle.Filename.Length > 0);
    }
}