/*
 
This file accepts an HTTP GET request, does required processing, and returns JSON
back to the client.

For more information on JSON, please read Code/SampleDomManipulator.js.

*/

using System;
using System.Text;
using System.Text.RegularExpressions;

using Newtonsoft.Json;

using Sample;
using Sample.Service.Messages;

namespace SampleWebsite.Services
{
    public partial class SampleJsonService : System.Web.UI.Page
    {
        public void Page_Load(Object sender, EventArgs ea) {
            Response.ContentType = "text/plain";
            try {
                if (String.IsNullOrEmpty(Request.QueryString["code"])) {
                    Response.Write("{ error: 'Usage: /Services/SampleJsonService/?code=ItemCode' };");
                    return;
                }

                String output = ProcessItemRequest(Int32.Parse(Request.QueryString["code"]));
                if (String.IsNullOrEmpty(output)) {
                    String message = "{ error: 'Invalid item code' };";
                    Response.Write(message);
                    System.Diagnostics.Trace.WriteIf(SampleConfiguration.GlobalTraceSwitch.TraceInfo, message);
                    return;
                }
                else {
                    Response.Write(output);
                }
            }
            catch {
                String message = "{ error: 'Invalid code' };";
                Response.Write(message);
                System.Diagnostics.Trace.WriteIf(SampleConfiguration.GlobalTraceSwitch.TraceInfo, message);
                return;
            }
        }

        private String ProcessItemRequest(Int32 code) {
            LoadSampleListMessageResponse response = new LoadSampleListMessageResponse( );

            // TODO: Do some sort of lookup based on code.

            response.StatusMessage = "Success";
            response.Values = new Int32[] { 1, 9, 2, 5, 1, 4, 2 };

            return JavaScriptConvert.SerializeObject(response);
        }
    }
}