using System;
using System.Collections.Generic;
using System.Web;
using System.Collections;
using System.Data;
using System.Web.Script.Serialization;
using System.Web.Script.Services;
using System.Web.Services;
using CMS.CMSHelper;
using CMS.GlobalHelper;

/// <summary>
/// Empty web service template.
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[ScriptService]
public class WebService : System.Web.Services.WebService
{
    /// <summary>
    /// Constructor.
    /// </summary>
    public WebService()
    {
        //Uncomment the following line if using designed components 
        //InitializeComponent(); 
    }


    /// <summary>
    /// Returns the data from DB.
    /// </summary>
    /// <param name="parameter">String parameter for sql command</param>
    [WebMethod]
    public DataSet GetDataSet(string parameter)
    {
        // INSERT YOUR WEB SERVICE CODE AND RETURN THE RESULTING DATASET

        return null;
    }


    /// <summary>
    /// The web service method to be called by AJAXControlToolkit. The signature of this method must match this method.
    /// Note that you can replace "GetCompletionList" with a name of your choice, but the return type and parameter name and type must exactly match, including case.
    /// </summary>
    /// <param name="prefixText">Prefix to be searched</param>
    /// <param name="count">Number of suggestions to be retrieved from the web service</param>
    /// <returns>Array of suggestions</returns>
    [WebMethod(MessageName = "GetCompletionList")]
    [ScriptMethod]
    public string[] GetCompletionList(string prefixText, int count)
    {
        // INSERT YOUR WEB SERVICE CODE AND RETURN THE RESULTING STRING ARRAY

        return null;
    }

    [WebMethod]
    [ScriptMethod(ResponseFormat = ResponseFormat.Json)]
    public string GetTreeNodeNames(string pathParameter)
    {
        if (string.IsNullOrEmpty(pathParameter))
            throw new ArgumentException("No PathParameter specified");

        int cacheMins = 30;
        string cacheKeyName = "GetTreeNodeNames";
        DataSet ds = null;
        var treeNodes = new List<string>();

        using (var cs = new CachedSection<DataSet>(ref ds, cacheMins, true, null, cacheKeyName, pathParameter))
        {
            if (cs.LoadData)
            {
                // Get from database
                ds = TreeHelper.SelectNodes(pathParameter, false, "CMS.MenuItem");
                CacheHelper.GetCacheDependency("touchthis".ToLower());
                //cs.CacheDependency = ...
                cs.Data = ds;
            }
        }

        if (ds != null)
        {
            if (ds.Tables.Count > 0)
            {
                foreach (DataRow dr in ds.Tables[0].Rows)
                    treeNodes.Add(dr["NodeName"].ToString());
            }
        }
        var jsr = new JavaScriptSerializer();
        string output = jsr.Serialize(treeNodes);

        return output;


    }
}