using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using libxmltv.Interfaces;

namespace libxmltv.Core
{
    public class PropertyList : PropertyList<string, object>, IPropertyList 
    {
        public PropertyList() :base() { }
        public PropertyList(IEnumerable<IPropertyValuePair<string, object>> collection) : base(collection) { }
        public PropertyList(int capacity) : base(capacity) { }
    }
    public class PropertyList<TKey, TValue> : IPropertyList<TKey, TValue>
    {
        private PropertyCollection<IPropertyValuePair<TKey, TValue>> properties;
        public PropertyList() { properties = new PropertyCollection<IPropertyValuePair<TKey, TValue>>(); }
        public PropertyList(IEnumerable<IPropertyValuePair<TKey, TValue>> collection) : this() { foreach (var p in collection) { properties.AddProperty(p); } }
        public PropertyList(int capacity)
        {
            properties = new PropertyCollection<IPropertyValuePair<TKey, TValue>>();
        }
        public IPropertyValuePair<TKey, TValue> this[int index] { get { return properties.ToList()[index]; } set { properties.ToList()[index] = value; } }
        public IEnumerable<IPropertyValuePair<TKey, TValue>> this[TKey name] 
        {
            get
            {
                var list = properties.ToList().FindAll(s => s.Name.Equals(name));
                if (list == null)
                {
                    throw new NullReferenceException(string.Format("Could not find any properties named '{0}'", name));
                }
                return list;
            }
        }
        public int IndexOfProperty(IPropertyValuePair<TKey, TValue> item) { return properties.ToList().IndexOf(item); }
        public void InsertPropertyAtIndex(int index, IPropertyValuePair<TKey, TValue> item) { properties.ToList().Insert(index, item); }
        public void RemovePropertyAt(int index) { properties.RemoveProperty(this[index]); }
        public int PropertyCount { get { return properties.PropertyCount; } }
        public bool IsReadOnly
        {
            get
            {
                IPropertyCollection<IPropertyValuePair<TKey, TValue>> collection = (properties as IPropertyCollection<IPropertyValuePair<TKey, TValue>>);
                if(collection == null)
                {
                    throw new InvalidCastException(string.Format("Unable to cast: '{0}' to '{1}'", properties.GetType().Name, typeof(IPropertyCollection<PropertyValuePair<TKey, TValue>>).Name));
                }
                return collection.IsReadOnly;
            }
        }
        public void AddProperty(IPropertyValuePair<TKey, TValue> item) { properties.AddProperty(item); }
        public void ClearProperties() { properties.ClearProperties(); }
        public bool ContainsProperty(IPropertyValuePair<TKey, TValue> item) { return properties.Contains(item); }
        public void CopyPropertiesTo(IPropertyValuePair<TKey, TValue>[] array, int arrayIndex) { properties.CopyPropertiesTo(array, arrayIndex); }
        public bool RemoveProperty(IPropertyValuePair<TKey, TValue> item) { return properties.RemoveProperty(item); }
        public IEnumerator<IPropertyValuePair<TKey, TValue>> GetEnumerator() { return properties.GetEnumerator(); }
        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { return this.GetEnumerator(); }


        public bool ContainsProperty(TKey name, TValue value) { return ContainsProperty(new PropertyValuePair<TKey, TValue>(name, value)); }
        public void AddProperty(TKey name, TValue value) { AddProperty(new PropertyValuePair<TKey, TValue>(name, value)); }
        public void RemoveProperty(TKey name, TValue value) { RemoveProperty(new PropertyValuePair<TKey, TValue>(name, value)); }

        public override string ToString()
        {
            return string.Format("Property Count: {0}", PropertyCount);
        }
    }
}