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 * Redistribution and use in source and binary forms, 
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 * *   Redistributions of source code must retain the above 
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 *     following disclaimer. 
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 *     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 
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 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
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using System.Collections.Generic;
using XenAdmin.Network;
using XenAPI;


namespace XenAdmin.Actions.VMActions
{
    public class SuspendAndShutdownVMsAction : AsyncAction
    {
        private List<VM> VmsToSuspend;
        private List<VM> VmsToShutdown;

        private int ActionCountTotal;
        private int ActionCountCompleted;

        public SuspendAndShutdownVMsAction(IXenConnection connection, Host host, List<VM> vmsToSuspend, List<VM> vmsToShutdown)
            : base(connection, Messages.SUSPEND_SHUTDOWN_VMS_ACTION_DESC, true)
        {
            Host = host;
            VmsToSuspend = vmsToSuspend;
            VmsToShutdown = vmsToShutdown;

            #region RBAC Dependencies
            ApiMethodsToRoleCheck.AddRange(Role.CommonSessionApiList);
            ApiMethodsToRoleCheck.AddRange(Role.CommonTaskApiList);

            if (vmsToSuspend.Count > 0)
                ApiMethodsToRoleCheck.Add("vm.suspend");
            if (vmsToShutdown.Count > 0)
                ApiMethodsToRoleCheck.Add("vm.hard_shutdown");
            #endregion
        }

        protected override void Run()
        {
            ActionCountCompleted = 0;
            ActionCountTotal = VmsToSuspend.Count + VmsToShutdown.Count;

            foreach (VM vm in VmsToSuspend)
            {
                Description = string.Format(Messages.SUSPENDING_VM_OUT_OF, ActionCountCompleted + 1, VmsToSuspend.Count);
                var action = new VMSuspendAction(vm);
                action.Changed += action_Changed;
                action.RunExternal(Session);
                ActionCountCompleted++;
            }

            foreach (VM vm in VmsToShutdown)
            {
                Description = string.Format(Messages.SHUTTING_DOWN_VM_OUT_OF, ActionCountCompleted - VmsToSuspend.Count + 1, VmsToShutdown.Count);
                var action = new VMHardShutdown(vm);
                action.Changed += action_Changed;
                action.RunExternal(Session);
                ActionCountCompleted++;
            }
        }

        void action_Changed(ActionBase a)
        {
            PercentComplete = ((ActionCountCompleted * 100) + a.PercentComplete) / ActionCountTotal;
        }
    }
}