#region License

/*

    Copyright (c) 2010, Paweł Hofman (CodeTitans)

    All Rights Reserved.



    Licensed under the Apache License version 2.0.

    For more information please visit:



    http://codetitans.codeplex.com/license

        or

    http://www.apache.org/licenses/





    For latest source code, documentation, samples

    and more information please visit:



    http://codetitans.codeplex.com/

*/

#endregion



using System;

using System.Collections.Generic;



namespace CodeTitans.JSon.Objects

{

    /// <summary>

    /// Internal wrapper class that describes array of IJSonObjects and provides <see cref="IJSonObject"/> access interface.

    /// </summary>

    internal class JSonArray : IJSonObject, IJSonWritable

    {

        private readonly IList<IJSonObject> _data;



        /// <summary>

        /// Init constructor.

        /// </summary>

        public JSonArray(ICollection<Object> data)

        {

            IJSonObject[] typedData = new IJSonObject[data.Count];



            // convert and copy data as an array:

            int i = 0;

            foreach (Object d in data)

                typedData[i++] = (IJSonObject)d;



            // HINT: PH: 2012-06-12: using a local variable, which is declared

            // as an array, not IList<T> is required to avoid

            // NotSupportedException, when setting value inside a loop on Windows Mobile 5.0:

            _data = typedData;

        }



        /// <summary>

        /// Default constructor for inheriting classes.

        /// </summary>

        protected JSonArray(Boolean mutable)

        {

            if (!mutable)

                throw new ArgumentOutOfRangeException("mutable", "Invalid value, use a different constructor if immutable");



            _data = new List<IJSonObject>();

        }



        /// <summary>

        /// Init constructor.

        /// </summary>

        protected JSonArray(ICollection<Object> data, Boolean mutable)

        {

            if (!mutable)

                throw new ArgumentOutOfRangeException("mutable", "Invalid value, use a different constructor if immutable");



            _data = new List<IJSonObject>(data.Count);

            // convert data:

            foreach (Object d in data)

                _data.Add((IJSonObject) d);

        }



        /// <summary>

        /// Private constructor for cloning only.

        /// </summary>

        private JSonArray(ICollection<IJSonObject> data)

        {

            IJSonObject[] typedCopy = new IJSonObject[data.Count];



            // convert and copy data as an array:

            int i = 0;

            foreach (IJSonObject d in data)

                typedCopy[i++] = d;



            // HINT: PH: 2012-06-12: using a local variable, which is declared

            // as an array, not IList<T> is required to avoid

            // NotSupportedException, when setting value inside a loop on Windows Mobile 5.0:

            _data = typedCopy;

        }



        /// <summary>

        /// Gets or sets the value of internal data.

        /// </summary>

        protected internal IList<IJSonObject> Data

        {

            get { return _data; }

        }



        #region IJSonObject Members



        String IJSonObject.StringValue

        {

            get { throw new InvalidOperationException(); }

        }



        int IJSonObject.Int32Value

        {

            get { throw new InvalidOperationException(); }

        }



        uint IJSonObject.UInt32Value

        {

            get { throw new InvalidOperationException(); }

        }



        long IJSonObject.Int64Value

        {

            get { throw new InvalidOperationException(); }

        }



        ulong IJSonObject.UInt64Value

        {

            get { throw new InvalidOperationException(); }

        }



        float IJSonObject.SingleValue

        {

            get { throw new InvalidOperationException(); }

        }



        double IJSonObject.DoubleValue

        {

            get { throw new InvalidOperationException(); }

        }



        public decimal DecimalValue

        {

            get { throw new InvalidOperationException(); }

        }



        DateTime IJSonObject.DateTimeValue

        {

            get { throw new InvalidOperationException(); }

        }



        TimeSpan IJSonObject.TimeSpanValue

        {

            get { throw new InvalidOperationException(); }

        }



        bool IJSonObject.BooleanValue

        {

            get { throw new InvalidOperationException(); }

        }



        Guid IJSonObject.GuidValue

        {

            get { throw new InvalidOperationException(); }

        }



        bool IJSonObject.IsNull

        {

            get { return false; }

        }



        bool IJSonObject.IsTrue

        {

            get { return false; }

        }



        bool IJSonObject.IsFalse

        {

            get { return true; }

        }



        bool IJSonObject.IsEnumerable

        {

            get { return true; }

        }



        public bool IsArray

        {

            get { return true; }

        }



        object IJSonObject.ObjectValue

        {

            get

            {

                object[] result = new object[_data.Count];



                for (int i = 0; i < _data.Count; i++)

                    result[i] = _data[i].ObjectValue;



                return result;

            }

        }



        /// <summary>

        /// Gets the DateTime value for given JSON object.

        /// </summary>

        public DateTime ToDateTimeValue(JSonDateTimeKind kind)

        {

            throw new InvalidOperationException();

        }



        /// <summary>

        /// Gets the value of given JSON object.

        /// </summary>

        object IJSonObject.ToValue(Type t)

        {

            return JSonObjectConverter.ToObject(this, t);

        }



        /// <summary>

        /// Get the value of given JSON object.

        /// </summary>

        T IJSonObject.ToObjectValue<T>()

        {

            return (T)JSonObjectConverter.ToObject(this, typeof(T));

        }



        int IJSonObject.Length

        {

            get { return _data.Count; }

        }



        IJSonObject IJSonObject.this[int index]

        {

            get { return _data[index]; }

        }



        int IJSonObject.Count

        {

            get { return _data.Count; }

        }



        IJSonObject IJSonObject.this[string name]

        {

            get { throw new InvalidOperationException(); }

        }



        IJSonObject IJSonObject.this[String name, IJSonObject defaultValue]

        {

            get { throw new InvalidOperationException(); }

        }



        IJSonObject IJSonObject.this[String name, String defaultValue, Boolean asJSonSerializedObject]

        {

            get { throw new InvalidOperationException(); }

        }



        IJSonObject IJSonObject.this[String name, String defaultValue]

        {

            get { throw new InvalidOperationException(); }

        }



        IJSonObject IJSonObject.this[String name, Int32 defaultValue]

        {

            get { throw new InvalidOperationException(); }

        }



        IJSonObject IJSonObject.this[string name, uint defaultValue]

        {

            get { throw new InvalidOperationException(); }

        }



        IJSonObject IJSonObject.this[String name, Int64 defaultValue]

        {

            get { throw new InvalidOperationException(); }

        }



        IJSonObject IJSonObject.this[string name, ulong defaultValue]

        {

            get { throw new InvalidOperationException(); }

        }



        IJSonObject IJSonObject.this[String name, Single defaultValue]

        {

            get { throw new InvalidOperationException(); }

        }



        IJSonObject IJSonObject.this[String name, Double defaultValue]

        {

            get { throw new InvalidOperationException(); }

        }



        public IJSonObject this[string name, Decimal defaultValue]

        {

            get { throw new InvalidOperationException(); }

        }



        IJSonObject IJSonObject.this[String name, DateTime defaultValue]

        {

            get { throw new InvalidOperationException(); }

        }



        IJSonObject IJSonObject.this[string name, DateTime defaultValue, JSonDateTimeKind kind]

        {

            get { throw new InvalidOperationException(); }

        }



        IJSonObject IJSonObject.this[String name, TimeSpan defaultValue]

        {

            get { throw new InvalidOperationException(); }

        }



        IJSonObject IJSonObject.this[String name, Guid defaultValue]

        {

            get { throw new InvalidOperationException(); }

        }



        IJSonObject IJSonObject.this[String name, Boolean defaultValue]

        {

            get { throw new InvalidOperationException(); }

        }



        bool IJSonObject.Contains(string name)

        {

            return false;

        }



        ICollection<string> IJSonObject.Names

        {

            get { return null; }

        }



        IEnumerable<KeyValuePair<string, IJSonObject>> IJSonObject.ObjectItems

        {

            get { return null; }

        }



        bool IJSonObject.IsMutable

        {

            get { return false; }

        }



        IJSonMutableObject IJSonObject.AsMutable

        {

            get { return (IJSonMutableObject)this; }

        }



        IJSonMutableObject IJSonObject.CreateMutableClone()

        {

            return JSonMutableObject.CreateArray(this);

        }



        IJSonObject IJSonObject.CreateImmutableClone()

        {

            return new JSonArray(_data);

        }



        public string ToString(string format)

        {

            bool indent = JSonObjectConverter.GetIndentAndVerifyToStringFormat(format);



            using (var writer = new JSonWriter(indent))

            {

                writer.CompactEnumerables = format == JSonObjectConverter.CompactEnumerables;



                writer.Write(_data);

                return writer.ToString();

            }

        }



        IEnumerable<IJSonObject> IJSonObject.ArrayItems

        {

            get { return _data; }

        }



        #endregion



        #region IJSonWritable Members



        void IJSonWritable.Write(IJSonWriter output)

        {

            output.Write(_data);

        }



        #endregion



        public override string ToString()

        {

            return ToString(null);

        }

    }

}