/* Copyright (c) Cloud Software Group, Inc. 
 * 
 * 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, 
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
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 */

using System;
using System.Linq;
using XenAdmin;

namespace XenAPI
{
    public partial class PVS_site : IEquatable<PVS_site>
    {
        public override string ToString()
        {
            return name_label;
        }

        public override string Name()
        {
            return name_label;
        }

        public PVS_cache_storage PvsCacheStorage(Host host)
        {
            if (host == null)
                return null;

            return Connection.Cache.PVS_cache_storages.FirstOrDefault(pvsCacheStorage => 
                pvsCacheStorage.site.opaque_ref == opaque_ref && pvsCacheStorage.host.opaque_ref == host.opaque_ref);
        }

        public string NameWithWarning()
        {
            if (!IsCacheConfigured())
            {
                return string.Format(Messages.PVS_CACHE_INCOMPLETE_CONFIGURATION, Name());
            }

            if (!IsStorageConfigured())
            {
                return string.Format(Messages.PVS_CACHE_STORAGE_NOT_CONFIGURED, Name());
            }

            return Name();
        }

        private bool IsCacheConfigured()
        {
            return !string.IsNullOrEmpty(PVS_uuid);
        }

        private bool IsStorageConfigured()
        {
            var connectionHosts = Connection.Cache.Hosts;

            var siteStorages = Connection.ResolveAll(cache_storage);
            var storageHosts = Connection.ResolveAll(siteStorages.Select(storage => storage.host));

            return connectionHosts.All(host => storageHosts.Contains(host));
        }

        #region IEquatable<PVS_site> Members

        /// <summary>
        /// Indicates whether the current object is equal to the specified object. This calls the implementation from XenObject.
        /// This implementation is required for ToStringWrapper.
        /// </summary>
        public bool Equals(PVS_site other)
        {
            return base.Equals(other);
        }

        #endregion
    }
}