using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Newtonsoft.Json.Tests.Documentation.Samples.Linq
{
    public class QueryJson
    {
        public void Example()
        {
            #region Usage
            string json = @"{
              'channel': {
                'title': 'James Newton-King',
                'link': 'http://james.newtonking.com',
                'description': 'James Newton-King\'s blog.',
                'item': [
                  {
                    'title': 'Json.NET 1.3 + New license + Now on CodePlex',
                    'description': 'Annoucing the release of Json.NET 1.3, the MIT license and the source on CodePlex',
                    'link': 'http://james.newtonking.com/projects/json-net.aspx',
                    'category': [
                      'Json.NET',
                      'CodePlex'
                    ]
                  },
                  {
                    'title': 'LINQ to JSON beta',
                    'description': 'Annoucing LINQ to JSON',
                    'link': 'http://james.newtonking.com/projects/json-net.aspx',
                    'category': [
                      'Json.NET',
                      'LINQ'
                    ]
                  }
                ]
              }
            }";

            JObject rss = JObject.Parse(json);

            string rssTitle = (string)rss["channel"]["title"];

            Console.WriteLine(rssTitle);
            // James Newton-King

            string itemTitle = (string)rss["channel"]["item"][0]["title"];

            Console.WriteLine(itemTitle);
            // Json.NET 1.3 + New license + Now on CodePlex

            JArray categories = (JArray)rss["channel"]["item"][0]["category"];

            Console.WriteLine(categories);
            // [
            //   "Json.NET",
            //   "CodePlex"
            // ]

            IList<string> categoriesText = categories.Select(c => (string)c).ToList();

            Console.WriteLine(string.Join(", ", categoriesText));
            // Json.NET, CodePlex
            #endregion
        }
    }
}