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

namespace XenAdmin.Diagnostics.Checks
{
    class PoolHasGFS2SR : HostPostLivenessCheck
    {
        public PoolHasGFS2SR(Host host)
            : base(host)
        {
        }

        public override bool CanRun() => Helpers.KolkataOrGreater(Host.Connection) && !Helpers.LimaOrGreater(Host.Connection);

        protected override Problem RunHostCheck()
        {
            var clusteringEnabled = Host.Connection.Cache.Cluster_hosts.Any(cluster => cluster.enabled);
            var hasGfs2Sr = Host.Connection.Cache.SRs.Any(sr => sr.GetSRType(true) == SR.SRTypes.gfs2);

            if (clusteringEnabled || hasGfs2Sr)
                return new PoolHasGFS2SRProblem(this, Helpers.GetPoolOfOne(Host.Connection), clusteringEnabled, hasGfs2Sr);


            return null;
        }

        public override string Description
        {
            get
            {
                return string.Format(Messages.CLUSTERING_STATUS_CHECK, Helpers.GetPoolOfOne(Host.Connection));
            }
        }
    }
}