/* Copyright (c) Citrix Systems, Inc. 
 * 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. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
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 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
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 */

using System.Linq;
using XenAdmin.Core;
using XenAdmin.Diagnostics.Problems;
using XenAdmin.Diagnostics.Problems.PoolProblem;
using XenAPI;

namespace XenAdmin.Diagnostics.Checks
{
    class AutomatedUpdatesLicenseCheck : HostPostLivenessCheck
    {
        private readonly Pool _pool;

        public AutomatedUpdatesLicenseCheck(Host host)
            : base(host)
        {
            _pool = Helpers.GetPoolOfOne(Host.Connection);
        }

        protected override Problem RunHostCheck()
        {
            if (_pool != null && _pool.Connection.Cache.Hosts.Any(h => Helpers.DundeeOrGreater(h) && Host.RestrictBatchHotfixApply(h)))
                return new NotLicensedForAutomatedUpdatesWarning(this, _pool);

            return null;
        }

        public override string Description => Messages.AUTOMATED_UPDATES_LICENSE_CHECK_DESCRIPTION;

        public override string SuccessfulCheckDescription =>
            _pool == null
                ? string.Format(Messages.PATCHING_WIZARD_CHECK_OK, Description)
                : string.Format(Messages.PATCHING_WIZARD_CHECK_ON_XENOBJECT_OK, _pool.Name(), Description);
    }
}