using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using BeWo.Data.Access;
using BeWo.Data.Entities;
using BeWo.Report;
using BeWo.Report.ReportObjects;
using DevExpress.XtraReports.UI;

namespace ProBalance
{
	public class CustomReportCreator : DefaultReportCreator
	{
		public override XtraReport CreateServiceOverviewAllCustomersReport(int month, int year, long orgaOid, long empOid, long? serviceCategoryOid, int startDay, int endDay)
		{
			List<ServicesOverviewRO> lROs = ServicesOverviewRO.Create(month, year, orgaOid, empOid, startDay, endDay);

			if (lROs.Count > 0)
			{
				var rootReport = CreateServicesOverviewReportForRo(lROs[0], serviceCategoryOid);
				if (rootReport.Pages.Count == 0)
					rootReport.CreateDocument();

				for (int i = 1; i < lROs.Count; i++)
				{
					var lNext = CreateServicesOverviewReportForRo(lROs[i], serviceCategoryOid);
					if (lNext.Pages.Count == 0)
						lNext.CreateDocument();
					rootReport.Pages.AddRange(lNext.Pages);
				}

				return rootReport;
			}
			return new XtraReport();
		}

		public override XtraReport CreateServiceOverviewSingleCustomerReport(long customerOid, int month, int year, long orgaOid, long empOid, long? serviceCategoryOid, int startDay, int endDay)
		{
			var ro = ServicesOverviewRO.Create(customerOid, month, year, false, orgaOid, empOid, startDay, endDay, serviceCategoryOid);

			return CreateServicesOverviewReportForRo(ro, serviceCategoryOid);
		}

	    public override XtraReport CreateReportForServicesOverviewRo(ServicesOverviewRO ro, string reportId)
	    {
	        return CreateServicesOverviewReportForRo(ro, null);
        }

		private XtraReport CreateServicesOverviewReportForRo(ServicesOverviewRO ro, long? serviceCategoryOid)
		{
			XtraReport report = null;

			report = AddReportToReport<Stundenzettel>(report, ro);
			report = AddReportToReport<StundenzettelGruppe>(report, ro);

			if (report == null)
				report = new XtraReport();
			return report;
		}

		private XtraReport AddReportToReport<T>(XtraReport report, ServicesOverviewRO ro) where T : XtraReport, IBeWoReport<ServicesOverviewRO>, new()
		{
			if (ro.Services.Count > 0)
			{
				if (report == null)
				{
					report = new T();
					((T)report).SetReportDataSource(ro);

				}
				else
				{
					if (report.Pages.Count == 0)
						report.CreateDocument();

					XtraReport newReport = new T();
					((T)newReport).SetReportDataSource(ro);

					newReport.CreateDocument();
					report.Pages.AddRange(newReport.Pages);
				}
			}
			return report;
		}
	}
}