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 SPZLeverkusen
{
    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.CreateAlt(month, year, orgaOid, empOid, startDay, endDay);
            if (lROs != null && lROs.Count > 0)
                lROs = lROs.OrderBy(ro => ro.CustomerLastName).ToList();

            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.CreateAlt(customerOid, month, year, false, orgaOid, empOid, startDay, endDay, serviceCategoryOid);

            if (ro.Services != null && ro.Services.Count == 0)
                ro = CreateLeerenEintragFuerRO(ro);

            return CreateServicesOverviewReportForRo(ro, serviceCategoryOid);

        }

        public override XtraReport CreateServiceOverviewReportForCustomers(IList<long> customerOids, int month, int year, long? orgaOid, long? empOid, long? serviceCategoryOid, int startDay, int endDay, bool nurFehlende)
        {
            var roList = new List<ServicesOverviewRO>();

            foreach (var coid in customerOids)
            {
                var ro = ServicesOverviewRO.CreateAlt(coid, month, year, false, orgaOid ?? 0, empOid ?? 0, startDay, endDay, serviceCategoryOid);
                if (ro.Services != null && ro.Services.Count == 0)
                    ro = CreateLeerenEintragFuerRO(ro);

                if (ro != null)
                {
                    roList.Add(ro);
                }
            }

            if (roList.Count > 0)
            {
                if (roList != null && roList.Count > 0)
                    roList = roList.OrderBy(ro => ro.CustomerLastName).ToList();

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

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

                return rootReport;
            }
            return new XtraReport();

        }

        private ServicesOverviewRO CreateLeerenEintragFuerRO(ServicesOverviewRO ro)
        {
            var scs = DAOFactory.SearchDAO.GetAllActiveSupportConceptsByCustomers(new List<long>() { ro.CustomerOid }, false).ToList();

            if (scs != null && scs.Count == 0)
                return ro;
            else if (scs != null && scs.Count >= 1)
            {
                ro.Costbearer = scs[0].CostBearer2SupportConceptList[0] != null ? scs[0].CostBearer2SupportConceptList[0].CostBearer.Organisation.Name : null;
                ro.Services.Add(new ServicesOverviewRO.ServiceDetail() { Minutes = 0, ServiceDescription = "Keine Einträge in diesem Monat"});
            }

            return ro;
        }

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

            ServicesOverviewRO jugendamtRO = ServicesOverviewRO.CopyFromRO(ro);
            ServicesOverviewRO ohneFehlkontaktenRO = ServicesOverviewRO.CopyFromRO(ro);
            ServicesOverviewRO mitFehlkontaktenRO = ServicesOverviewRO.CopyFromRO(ro);

            jugendamtRO.TotalFLMBillable = 0;
            jugendamtRO.TotalFLS = 0;
            ohneFehlkontaktenRO.TotalFLMBillable = 0;
            ohneFehlkontaktenRO.TotalFLS = 0;
            mitFehlkontaktenRO.TotalFLMBillable = 0;
            mitFehlkontaktenRO.TotalFLS = 0;

            if (ro.Services != null)
            {
                foreach (ServicesOverviewRO.ServiceDetail s in ro.Services)
                {
                    if (!String.IsNullOrEmpty(ro.Costbearer) && ro.Costbearer.Contains("Jugendamt"))
                    {
                        jugendamtRO.Services.Add(s);
                        jugendamtRO.TotalFLMBillable += s.Minutes;
                        jugendamtRO.TotalFLS += s.Minutes / 60;
                    }
                    else if (!s.ServiceDescription.ToLower().Contains("fehlkontakt"))
                    {
                        ohneFehlkontaktenRO.Services.Add(s);
                        ohneFehlkontaktenRO.TotalFLMBillable += s.Minutes;
                        ohneFehlkontaktenRO.TotalFLS += s.Minutes / 60;
                    }
                    else if (s.ServiceDescription.ToLower().Contains("fehlkontakt"))
                    {
                        mitFehlkontaktenRO.Services.Add(s);
                        mitFehlkontaktenRO.TotalFLMBillable += s.Minutes;
                        mitFehlkontaktenRO.TotalFLS += s.Minutes / 60;
                    }
                }
            }

            if (report == null)
            {
                if (!String.IsNullOrEmpty(ro.Costbearer) && ro.Costbearer.Contains("Jugendamt"))
                {
                    report = AddReportToReport<StundenzettelJugendamt>(report, jugendamtRO);
                }
                else
                {
                    if (ro.StartDate < new DateTime(2019, 1, 1))
                    {
                        report = AddReportToReport<Stundenzettel>(report, ohneFehlkontaktenRO);
                    }
                    else
                    {
                        report = AddReportToReport<Quittierungsbeleg2>(report, ohneFehlkontaktenRO);
                    }

                    if (mitFehlkontaktenRO.TotalFLS > 0)
                        report = AddReportToReport<QuittierungsbelegMitFehlkontakten>(report, mitFehlkontaktenRO);
                }
            }


            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);
                    report.CreateDocument();
                }
                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;
        }
    }
}