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 * with or without modification, are permitted provided 
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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 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
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using System.Collections.Generic;
using XenAdmin.Actions;
using XenAdmin.Diagnostics.Problems;


namespace XenAdmin.Wizards.PatchingWizard.PlanActions
{
    public class UnwindProblemsAction : PlanAction
    {
        private readonly List<Problem> _problems;

        public UnwindProblemsAction(List<Problem> problems)
            : base(Messages.PATCHINGWIZARD_PATCHINGPAGE_PRECHECK_REVERTING)
        {
            base.TitlePlan = Messages.REVERTING_RESOLVED_PRECHECKS;
            _problems = problems;
        }

        protected override void _Run()
        {
            int completed = 0;
            foreach (Problem p in _problems)
            {
                AsyncAction unwind = p.SolutionActionCompleted ? p.UnwindChanges() : null;
                if (unwind != null)
                    unwind.RunExternal(null);
                completed++;
                PercentComplete = (completed * 100) / _problems.Count;
            }
        }
    }
}