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using System;
using System.Collections.Generic;
using System.Text;
using XenAdmin.Commands;
using XenAdmin;
using XenAdmin.Controls;
using NUnit.Framework;

using XenAdmin.Controls.MainWindowControls;

namespace XenAdminTests.CommandTests
{
    [TestFixture, Category(TestCategories.UICategoryA)]
    public class DeleteTagCommandTestGeorge : MainWindowLauncher_TestFixture
    {
        public DeleteTagCommandTestGeorge()
            : base(false, CommandTestsDatabase.George)
        { }

        [Test]
        public void Run()
        {
            DeleteTagCommandTest tester = new DeleteTagCommandTest();
            tester.Test();
        }
    }

    [TestFixture, Category(TestCategories.UICategoryA)]
    public class DeleteTagCommandTestMidnightRide : MainWindowLauncher_TestFixture
    {
        public DeleteTagCommandTestMidnightRide()
            : base(false, CommandTestsDatabase.MidnightRide)
        { }

        [Test]
        public void Run()
        {
            DeleteTagCommandTest tester = new DeleteTagCommandTest();
            tester.Test();
        }
    }

    public class DeleteTagCommandTest : CommandTest
    {
        internal override Command CreateCommand()
        {
            return new DeleteTagCommand();
        }

        protected override NavigationPane.NavigationMode NativeMode
        {
            get { return NavigationPane.NavigationMode.Tags; }
        }

        public void Test()
        {
            foreach (SelectedItemCollection selection in RunTest(GetSelections()))
            {
                foreach (GroupingTag groupingTag in selection.AsGroupingTags())
                {
                    MWWaitFor(() => TagExists(groupingTag), "Could not find GroupingTag " + groupingTag.Group);
                }

                MW(Command.Execute);

                foreach (GroupingTag groupingTag in selection.AsGroupingTags())
                {
                    MWWaitFor(() => !TagExists(groupingTag), "GroupingTag was not deleted: " + groupingTag.Group);
                }
            }
        }

        private bool TagExists(GroupingTag tag)
        {
            return GetAllTreeNodes().ConvertAll(n => n.Tag as GroupingTag).Contains(tag);
        }

        private IEnumerable<SelectedItemCollection> GetSelections()
        {
            // just delete one tag for this test as it's quite slow.

            PutInNavigationMode(NativeMode);

            VirtualTreeNode node = GetAllTreeNodes().Find(n =>
                {
                    GroupingTag g = n.Tag as GroupingTag;
                    return g != null && n.Parent != null && g.Grouping.GroupingName == "Tags";
                });

            GroupingTag gt = (GroupingTag)node.Tag;

            var rootNode = GetAllTreeNodes().Find(n => n.Parent == null);

            yield return new SelectedItemCollection(new SelectedItem(gt, rootNode));
        }
    }
}
