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using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using XenAdmin.Actions;
using XenAdmin.Model;
using XenAPI;

namespace XenAdmin.Commands
{
    internal class StartDockerContainerCommand : Command
    {
        public StartDockerContainerCommand()
        { }

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

        public override string MenuText { get { return Messages.MAINWINDOW_START; } }

        public override Image MenuImage { get { return Images.StaticImages._001_PowerOn_h32bit_16; } }

        public override Image ToolBarImage { get { return Images.StaticImages._001_PowerOn_h32bit_24; } }

        protected override bool CanExecuteCore(SelectedItemCollection selection)
        {
            if (selection.AllItemsAre<DockerContainer>())
                return selection.AtLeastOneXenObjectCan<DockerContainer>(CanExecute);
            return false;
        }

        private static bool CanExecute(DockerContainer dockerContainer)
        {
            return dockerContainer.power_state == vm_power_state.Halted;
        }

        protected override void ExecuteCore(SelectedItemCollection selection)
        {
            var dockerContainers = new List<DockerContainer>();

            if (selection.AllItemsAre<DockerContainer>())
            {
                dockerContainers = (from IXenObject obj in selection.AsXenObjects()
                                    let container = (DockerContainer)obj
                                    where CanExecute(container)
                                    select container).ToList();
            }

            foreach (var container in dockerContainers)
                (new StartDockerContainerAction(container)).RunAsync();
        }
    }
}