namespace BCS.Main.Management.HtmlReports
{
    public class HtmlReportsViewModel : CompositeScreen<IScreen, Browse>, ICanBeBusy
    {
        public IEnumerable<HtmlColumnDto> ReportColumns { get; set; }
        public IBackend Backend { get; set; }
		public IHtmlReportsBrowseViewModel HtmlReportsBrowseViewModel { get; set; }

        protected override void OnInitialize()
        {
            base.OnInitialize();
			HtmlReportsBrowseViewModel.SelectedHtmlReportChanged += new System.EventHandler(HtmlReportsBrowseViewModelSelectedHtmlReportChanged);
        }

		void HtmlReportsBrowseViewModelSelectedHtmlReportChanged(object sender, System.EventArgs e)
		{
			Execute.OnBackgroundThread(LoadColumns);
		}


        public void LoadColumns()
        {
            using (Mark.Busy(this))
            {
                var response = Backend.SendAndReceive<GetHtmlColumnsResponse>(
                    new GetHtmlColumnsRequest
                        {
							ReportId = HtmlReportsBrowseViewModel.SelectedHtmlReportId
                        });
                ReportColumns = response.Columns.ToList();
                NotifyOfPropertyChange(() => ReportColumns);
            }
        }

		public bool IsBusy { get; set; }
    }
}