using System;

using System.Collections.Generic;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Configuration;



namespace Directory.Web

{

	public partial class Search : System.Web.UI.Page

	{

		protected int pageIndex;

		protected int pageSize = WebSettings.GetInstance().SearchItemPageSize;

		protected int itemsRecords;

		protected string categoryIdKey = "categoryId";

		protected string pageKey = "page";

		protected string keywordsKey = "key";

		protected string searchtypeKey = "searchtype";



		protected void Page_Load(object sender, EventArgs e)

		{

			int searchtype = 0;

			int.TryParse(Request.QueryString[searchtypeKey], out searchtype);



			if (!IsPostBack)

			{

				ddlSearchType.Items.Clear();

				ddlSearchType.Items.Add(Resources.Resource.Item);

				ddlSearchType.Items.Add(Resources.Resource.Category);

				ddlSearchType.Items.Add("??");

				ddlSearchType.SelectedIndex = 0;



				if (!int.TryParse(Request.QueryString[pageKey], out pageIndex))

				{

					pageIndex = 0;

				}

				string keywords = string.Empty;

				try

				{

					keywords = Server.UrlDecode(Request.QueryString[keywordsKey]).Trim();

				}

				catch

				{

					ltMsg.Text = "?????????";

					return;

				}

				if (string.IsNullOrEmpty(keywords))

				{

					ltMsg.Text = "?????????";

					return;

				}



				ddlSearchType.SelectedIndex = searchtype;



				try

				{

					if (searchtype == 1 || searchtype == 2)

					{

						rptCateogrys.DataSource = CategoryDataProxy.SearchCategories(keywords);

						rptCateogrys.DataBind();

						this.pagebreak.Visible = false;

					}

					if (searchtype == 0 || searchtype == 2)

					{

						rptItemsList.DataSource = ItemDataProxy.SearchItems(-999, keywords, pageIndex, pageSize, out itemsRecords);

						rptItemsList.DataBind();

						this.pagebreak.Visible = true;

						SetPageNav();

					}

				}

				catch

				{

					tbKeywords.Text = "???????";

					return;

				}



				tbKeywords.Text = keywords;

			}

		}



		protected void btnSearch_Click(object sender, EventArgs e)

		{

			Server.Transfer("Search.aspx?" + keywordsKey + "=" + Server.UrlEncode(tbKeywords.Text) + "&" + searchtypeKey + "=" + ddlSearchType.SelectedIndex);

		}



		private string GetPageNavigateUrl(int _pageIndex)

		{

			return "Search.aspx?" + "&" + keywordsKey + "=" + Request.QueryString[keywordsKey] + "&" + pageKey + "=" + _pageIndex.ToString() + "&" + searchtypeKey + "=" + ddlSearchType.SelectedIndex;

		}



		private void SetPageNav()

		{

			int pageCounts = ((itemsRecords - 1) / pageSize) + 1;

			lbCurrentPage.Text = (pageIndex + 1) + " / " + pageCounts;



			if (pageCounts < 1)

			{

				hplFirstPage.Enabled = false;

				hplPrePage.Enabled = false;

				hplNextPage.Enabled = false;

				hplLastPage.Enabled = false;

			}

			else if (pageIndex == 0)

			{

				hplFirstPage.Enabled = false;

				hplPrePage.Enabled = false;

				if (pageCounts == 1)

				{

					hplNextPage.Enabled = false;

					hplLastPage.Enabled = false;

				}

				else

				{

					hplNextPage.Enabled = true;

					hplNextPage.NavigateUrl = GetPageNavigateUrl(pageIndex + 1);

					hplLastPage.Enabled = true;

					hplLastPage.NavigateUrl = GetPageNavigateUrl(pageCounts - 1);

				}

			}

			else if (pageIndex >= pageCounts - 1)

			{

				pageIndex = pageCounts - 1;

				hplFirstPage.Enabled = true;

				hplFirstPage.NavigateUrl = GetPageNavigateUrl(0);

				hplPrePage.Enabled = true;

				hplPrePage.NavigateUrl = GetPageNavigateUrl(pageIndex - 1);

				hplNextPage.Enabled = false;

				hplLastPage.Enabled = false;

			}

			else

			{

				hplFirstPage.Enabled = true;

				hplFirstPage.NavigateUrl = GetPageNavigateUrl(0);

				hplPrePage.Enabled = true;

				hplPrePage.NavigateUrl = GetPageNavigateUrl(pageIndex - 1);

				hplNextPage.Enabled = true;

				hplNextPage.NavigateUrl = GetPageNavigateUrl(pageIndex + 1);

				hplLastPage.Enabled = true;

				hplLastPage.NavigateUrl = GetPageNavigateUrl(pageCounts - 1);

			}

		}



		protected void rptItemsList_ItemDataBound(object sender, RepeaterItemEventArgs e)

		{

			Directory.Model.ItemInfo item = (Directory.Model.ItemInfo)e.Item.DataItem;

			Literal lt = e.Item.FindControl("ltCategoryPath") as Literal;

			if (lt != null && item != null)

			{

				foreach (Directory.Model.CategoryInfo cat in CategoryDataProxy.GetRecursiveParentsOfCategory(item.CategoryId))

				{

					string link = string.Format("<a href='#' onclick=\"window.open('categorydetails.aspx?categoryId={0}')\">{1}</a>", cat.CategoryId.ToString(), cat.CategoryName);

					lt.Text += "ť" + link;

				}

			}

		}

	}

}