// Copyright (c) 2012, Outercurve Foundation.
// 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  Outercurve Foundation  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
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// WARRANTIES  OF  MERCHANTABILITY   AND  FITNESS  FOR  A  PARTICULAR  PURPOSE  ARE
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namespace WebsitePanel.Providers.FTP.IIs70.Authorization
{
    using Microsoft.Web.Administration;
	using WebsitePanel.Providers.FTP.IIs70.Config;
    using System;
    using System.Reflection;

    internal class AuthorizationRuleCollection : ConfigurationElementCollectionBase<AuthorizationRule>
    {
        public AuthorizationRule Add(AuthorizationRuleAccessType accessType, string users, string roles, PermissionsFlags permissions)
        {
            AuthorizationRule element = base.CreateElement();
            element.AccessType = accessType;
            if (!string.IsNullOrEmpty(users))
            {
                element.Users = users;
            }
            if (!string.IsNullOrEmpty(roles))
            {
                element.Roles = roles;
            }
            element.Permissions = permissions;
            return base.Add(element);
        }

        protected override AuthorizationRule CreateNewElement(string elementTagName)
        {
            return new AuthorizationRule();
        }

        public AuthorizationRule this[string users, string roles, PermissionsFlags permissions]
        {
            get
            {
                for (int i = 0; i < base.Count; i++)
                {
                    AuthorizationRule rule = base[i];
                    if ((string.Equals(rule.Users, users, StringComparison.OrdinalIgnoreCase) && string.Equals(rule.Roles, roles, StringComparison.OrdinalIgnoreCase)) && (rule.Permissions == permissions))
                    {
                        return rule;
                    }
                }
                return null;
            }
        }
    }
}