/*
 *
 * (c) Copyright Ascensio System Limited 2010-2018
 *
 * This program is freeware. You can redistribute it and/or modify it under the terms of the GNU 
 * General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html). 
 * In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that 
 * Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
 *
 * THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
 * FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
 *
 * You can contact Ascensio System SIA by email at sales@onlyoffice.com
 *
 * The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display 
 * Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
 *
 * Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains 
 * relevant author attributions when distributing the software. If the display of the logo in its graphic 
 * form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE" 
 * in every copy of the program you distribute. 
 * Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
 *
*/


using System.Configuration;


namespace ASC.Common.DependencyInjection
{
    public class ParameterElement : ConfigurationElement
    {
        private const string NameAttributeName = "name";
        private const string ValueAttributeName = "value";
        private const string TypeAttributeName = "type";
        private const string ListElementName = "list";
        private const string DictionaryElementName = "dictionary";
        internal const string Key = "name";

        [ConfigurationProperty(NameAttributeName, IsRequired = true)]
        public string Name
        {
            get
            {
                return (string)this[NameAttributeName];
            }
        }

        [ConfigurationProperty(ValueAttributeName, IsRequired = false)]
        public string Value
        {
            get
            {
                return (string)this[ValueAttributeName];
            }
        }

        [ConfigurationProperty(TypeAttributeName, IsRequired = false)]
        public string Type
        {
            get
            {
                return (string)this[TypeAttributeName];
            }
        }

        [ConfigurationProperty(ListElementName, DefaultValue = null, IsRequired = false)]
        public ListElementCollection List
        {
            get
            {
                return this[ListElementName] as ListElementCollection;
            }
        }

        [ConfigurationProperty(DictionaryElementName, DefaultValue = null, IsRequired = false)]
        public DictionaryElementCollection Dictionary
        {
            get
            {
                return this[DictionaryElementName] as DictionaryElementCollection;
            }
        }

        public object CoerceValue()
        {
            if (List.ElementInformation.IsPresent)
                return List;
            if (Dictionary.ElementInformation.IsPresent)
                return Dictionary;
            return Value;
        }
    }
}