using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Text;

namespace Umbraco.Core.Configuration
{
    public class FileSystemProviderElement : ConfigurationElement, IFileSystemProviderElement
    {
        private const string ALIAS_KEY = "alias";
        private const string TYPE_KEY = "type";
        private const string PARAMETERS_KEY = "Parameters";

        [ConfigurationProperty(ALIAS_KEY, IsKey = true, IsRequired = true)]
        public string Alias
        {
            get
            {
                return ((string)(base[ALIAS_KEY]));
            }
        }

        [ConfigurationProperty(TYPE_KEY, IsKey = false, IsRequired = true)]
        public string Type
        {
            get
            {
                return ((string)(base[TYPE_KEY]));
            }
        }

        [ConfigurationProperty(PARAMETERS_KEY, IsDefaultCollection = true, IsRequired = false)]
        public KeyValueConfigurationCollection Parameters
        {
            get
            {
                return ((KeyValueConfigurationCollection)(base[PARAMETERS_KEY]));
            }
        }

        string IFileSystemProviderElement.Alias
        {
            get { return Alias; }
        }

        string IFileSystemProviderElement.Type
        {
            get { return Type; }
        }

        private IDictionary<string, string> _params;
        IDictionary<string, string> IFileSystemProviderElement.Parameters
        {
            get
            {
                if (_params != null) return _params;
                _params = new Dictionary<string, string>();
                foreach (KeyValueConfigurationElement element in Parameters)
                {
                    _params.Add(element.Key, element.Value);
                }
                return _params;
            }
        }
    }
}