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 * 
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 * with or without modification, are permitted provided 
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 *     following disclaimer. 
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 *     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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using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using XenAdmin.Core;
using XenAdmin.Dialogs;
using XenAPI;


namespace XenAdmin.Commands
{
    /// <summary>
    /// Shows the Repair SR dialog for the selected SR.
    /// </summary>
    internal class RepairSRCommand : Command
    {
        /// <summary>
        /// Initializes a new instance of this Command. The parameter-less constructor is required if 
        /// this Command is to be attached to a ToolStrip menu item or button. It should not be used in any other scenario.
        /// </summary>
        public RepairSRCommand()
        {
        }

        public RepairSRCommand(IMainWindow mainWindow, IEnumerable<SelectedItem> selection)
            : base(mainWindow, selection)
        {
        }

        public RepairSRCommand(IMainWindow mainWindow, SR selection)
            : base(mainWindow, selection)
        {
        }

        public RepairSRCommand(IMainWindow mainWindow, IEnumerable<SR> srs)
            : base(mainWindow, srs.Select(s => new SelectedItem(s)).ToList())
        {
        }

        protected override void RunCore(SelectedItemCollection selection)
        {
            List<SR> srList = selection.AsXenObjects<SR>(CanRun);

            if (srList.Find(s => !s.MultipathAOK()) != null)
            {
                using (var dlg = new WarningDialog(string.Format(Messages.MULTIPATH_FAILED, BrandManager.ProductBrand))
                    {WindowTitle = Messages.MULTIPATHING})
                    dlg.ShowDialog(Parent);
            }

            if (srList.Count != 0)
            {
                new RepairSRDialog(srList).Show(Parent);
            }
        }

        protected override bool CanRunCore(SelectedItemCollection selection)
        {
            return selection.AllItemsAre<SR>() && selection.AtLeastOneXenObjectCan<SR>(CanRun);
        }

        private bool CanRun(SR sr)
        {
            return sr != null && sr.HasPBDs() && (sr.IsBroken() || !sr.MultipathAOK()) && !HelpersGUI.GetActionInProgress(sr) && sr.CanRepairAfterUpgradeFromLegacySL();
        }

        public override Image MenuImage => Images.StaticImages._000_StorageBroken_h32bit_16;

        public override string MenuText => Messages.MAINWINDOW_REPAIR_SR;

        public override string ContextMenuText => Messages.MAINWINDOW_REPAIR_SR_CONTEXT_MENU;
    }
}