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 *     following disclaimer. 
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 *     following disclaimer in the documentation and/or other 
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 * 
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using System;
using XenAdmin.Core;
using XenAdmin.Network;
using XenAPI;


namespace XenAdmin.Actions.DR
{
    public class DrRecoverAction : AsyncAction
    {
        private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);

        public Session MetadataSession;
        private readonly IXenObject xenObject;

        public DrRecoverAction(IXenConnection connection, IXenObject xenObject)
            : base(connection, xenObject is VM
                                   ? string.Format(Messages.ACTION_DR_RECOVER_VM_TITLE, xenObject.Name)
                                   : string.Format(Messages.ACTION_DR_RECOVER_APPLIANCE_TITLE, xenObject.Name))
        {
            this.xenObject = xenObject;

            Pool = Helpers.GetPoolOfOne(connection);
            #region RBAC Dependencies
            if (xenObject is VM)
                ApiMethodsToRoleCheck.Add("VM.async_recover");
            if (xenObject is VM_appliance)
                ApiMethodsToRoleCheck.Add("VM_appliance.async_recover");
            #endregion

        }

        public IXenObject XenObject
        {
            get { return xenObject; }
        }

        protected override void Run()
        {
            Description = Messages.ACTION_DR_RECOVER_STATUS;
            if (MetadataSession != null)
            {
                if (xenObject is VM)
                    RelatedTask = VM.async_recover(MetadataSession, xenObject.opaque_ref, Session.uuid, true);
                if (xenObject is VM_appliance)
                {
                    // if appliance already exists in target pool, it will be replaced during recovery and the uuid is preserved
                    RelatedTask = VM_appliance.async_recover(MetadataSession, xenObject.opaque_ref, Session.uuid, true);
                }
                PollToCompletion();
            }
            else
            {
                log.DebugFormat("Metadata session is NULL. Cannot recover {0} to Pool {1}",
                                Helpers.GetName(xenObject).Ellipsise(50), 
                                Helpers.GetName(Pool).Ellipsise(50));
            }
            Description = String.Format(Messages.ACTION_DR_RECOVER_DONE, xenObject.Name);
        }
    }
}