//-----------------------------------------------------------------------
// <copyright file="TwitterPlaceCollection.cs" company="Patrick 'Ricky' Smith">
//  This file is part of the Twitterizer library (http://www.twitterizer.net/)
// 
//  Copyright (c) 2010, Patrick "Ricky" Smith (ricky@digitally-born.com)
//  All rights reserved.
//  
//  Redistribution and use in source and binary forms, with or without modification, are 
//  permitted provided that the following conditions are met:
// 
//  - Redistributions of source code must retain the above copyright notice, this list 
//    of conditions and the following disclaimer.
//  - Redistributions in binary form must reproduce the above copyright notice, this list 
//    of conditions and the following disclaimer in the documentation and/or other 
//    materials provided with the distribution.
//  - Neither the name of the Twitterizer nor the names of its contributors may be 
//    used to endorse or promote products derived from this software without specific 
//    prior written permission.
// 
//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
//  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
//  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
//  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
//  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
//  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
//  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
//  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
//  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
//  POSSIBILITY OF SUCH DAMAGE.
// </copyright>
// <author>Ricky Smith</author>
// <summary>The twitter place collection class.</summary>
//-----------------------------------------------------------------------

namespace Twitterizer
{
    using System;
    using Newtonsoft.Json;
    using Twitterizer.Core;

    /// <summary>
    /// The Twitter Place Collection class. A collection of <see cref="TwitterPlace"/> objects.
    /// </summary>
#if !SILVERLIGHT
    [Serializable]
#endif
    [JsonConverter(typeof(TwitterPlaceCollection.Converter))]
    [JsonObject]
    public class TwitterPlaceCollection : TwitterCollection<TwitterPlace>, ITwitterObject
    {
        /// <summary>
        /// Converts json data to a <see cref="TwitterPlaceCollection"/>.
        /// </summary>
#if !SILVERLIGHT         
        internal class Converter : JsonConverter
#else
        public class Converter : JsonConverter
#endif
        {
            /// <summary>
            /// Determines whether this instance can convert the specified object type.
            /// </summary>
            /// <param name="objectType">Type of the object.</param>
            /// <returns>
            /// <c>true</c> if this instance can convert the specified object type; otherwise, <c>false</c>.
            /// </returns>
            public override bool CanConvert(Type objectType)
            {
                return objectType == typeof(TwitterPlaceCollection);
            }

            /// <summary>
            /// Reads the JSON representation of the object.
            /// </summary>
            /// <param name="reader">The <see cref="T:Newtonsoft.Json.JsonReader"/> to read from.</param>
            /// <param name="objectType">Type of the object.</param>
            /// <param name="existingValue">The existing value of object being read.</param>
            /// <param name="serializer">The calling serializer.</param>
            /// <returns>The object value.</returns>
            public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
            {
                TwitterPlaceCollection result = new TwitterPlaceCollection();

                reader.Read();
                reader.Read();

                bool hasReachedTheQuery = false;

                while (reader.Read())
                {
                    if (reader.TokenType == JsonToken.PropertyName && (string)reader.Value == "query")
                    {
                        hasReachedTheQuery = true;
                    }

                    if (hasReachedTheQuery)
                        continue;

                    if (reader.TokenType == JsonToken.StartObject)
                    {
                        result.Add(serializer.Deserialize<TwitterPlace>(reader));
                    }
                }

                return result;
            }

            /// <summary>
            /// Writes the JSON representation of the object.
            /// </summary>
            /// <param name="writer">The <see cref="T:Newtonsoft.Json.JsonWriter"/> to write to.</param>
            /// <param name="value">The value.</param>
            /// <param name="serializer">The calling serializer.</param>
            public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
            {
                // TODO: Implement this.
                // throw new NotImplementedException();
            }
        }
    }
}
