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using System.Collections.Generic;
using XenAPI;
using XenAdmin.Core;


namespace XenAdmin.Actions
{
    public class AssignVMsToPolicyAction:PureAsyncAction
    {

        private VMPP _vmpp;
        private List<XenRef<VM>> _selectedVMs;

        public AssignVMsToPolicyAction(VMPP vmpp, List<XenRef<VM>> selectedVMs, bool suppressHistory)
            : base(vmpp.Connection, Messages.ASSIGN_PROTECTION_POLICY_NOAMP, suppressHistory)
        {
            _vmpp = vmpp;
            _selectedVMs = selectedVMs;
            Pool = Helpers.GetPool(vmpp.Connection);

        }

        protected override void Run()
        {
            Description = Messages.ASSIGNING_PROTECTION_POLICY;
            foreach (var xenRef in _vmpp.VMs)
            {
                VM.set_protection_policy(Session, xenRef, null);
            }
            foreach (var xenRef in _selectedVMs)
            {
                VM.set_protection_policy(Session, xenRef, _vmpp.opaque_ref);
            }
            Description = Messages.ASSIGNED_PROTECTION_POLICY;
        }
    }

    public class RemoveVMsFromPolicyAction : PureAsyncAction
    {
        private List<XenRef<VM>> _selectedVMs;

        public RemoveVMsFromPolicyAction(VMPP vmpp, List<XenRef<VM>> selectedVMs)
            : base(vmpp.Connection, selectedVMs.Count == 1 ?
            string.Format(Messages.REMOVE_VM_FROM_POLICY, vmpp.Connection.Resolve(selectedVMs[0]), vmpp.Name)
            : string.Format(Messages.REMOVE_VMS_FROM_POLICY, vmpp.Name))
        {
            _selectedVMs = selectedVMs;
            Pool = Helpers.GetPool(vmpp.Connection);
        }

        protected override void Run()
        {
            Description = Messages.REMOVING_VMS_FROM_POLICY;

            foreach (var xenRef in _selectedVMs)
                VM.set_protection_policy(Session, xenRef, null);

            Description = Messages.REMOVED_VMS_FROM_POLICY;
        }
    }
}