using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using BeWo.Data.Access;
using BeWo.Data.Entities;
using BeWo.Service.Core;
using BeWo.Service.DCEntityMapper;
using BS.Shared;
using BS.Shared.Core;
using BS.Shared.DataContracts;
using BS.Shared.Extensions;
using BS.Shared.Services;
using Utils = BS.Shared.Core.Utils;

namespace BeWo.Service.Plugins
{
    public class DataExporter : AbstractIDSpecificDefaultClass<DataExporter>
    {
        public virtual string CreateExportString(string pFileID, string[] pHeaderCaption, string[][] pContent)
        {

            if (pHeaderCaption != null && pHeaderCaption.Length > 0 && pHeaderCaption[0].Contains("Diamant"))
            {
                return DiamantExporter.CreateExportString(pHeaderCaption, pContent);
            }
            return WriteHTMLFile(pHeaderCaption, pContent);

        }

        public virtual QueryDC CreateQuery(QueryDC query)
        {
            return null;
        }
        
        public virtual string PrepareExcelFileSupportConceptExport(string pFileId, long[] pSortedOids)
        {
            string lPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, pFileId + ".tmp");

            var lSupportConcepts = DAOFactory.GenericDAO.LoadByIDs<SupportConcept>(pSortedOids);


            string[] lHeaderCaption = {
                                              "Nachname", // 0
											  "Vorname", // 1
                                              "Kommentar", // 2
                                              "Hilfeplankonferenz", // 3
                                              "Kostenträger", // 4
                                              "Aktenzeichen", // 5
                                              "beantragt von", // 6
                                              "beantragt bis", // 7
                                              "bewilligt von", // 8
                                              "bewilligt bis", // 9
											  "Verlängerung beantragt am", // 10
                                              "gen. FLS/Woche", // 11
                                              "gen. FLS Gesamt", // 12
                                              "Stundensatz", // 13
                                              "Kostenträger Notiz", // 14
											  "BetreuerIn", // 15
											  "Betreuung beendet am" // 16
                                          };

            List<string[]> lContent = new List<string[]>();

            int lContentIndex = 0;

            for (int iRowCount = 0; iRowCount < lSupportConcepts.Count; iRowCount++)
            {
                lContent.Add(new string[lHeaderCaption.Count()]);
                lContent[lContentIndex][0] = lSupportConcepts[iRowCount].Customer.Person.LastName;
                lContent[lContentIndex][1] = lSupportConcepts[iRowCount].Customer.Person.FirstName;

                lContent[lContentIndex][2] = lSupportConcepts[iRowCount].Notice;

                lContent[lContentIndex][3] = lSupportConcepts[iRowCount].ConferenceDate != null
                                                 ? lSupportConcepts[iRowCount].ConferenceDate.Value.ToShortDateString()
                                                 : string.Empty;
                lContent[lContentIndex][10] = lSupportConcepts[iRowCount].RenewalSendDate != null
                                                 ? lSupportConcepts[iRowCount].RenewalSendDate.Value.ToShortDateString()
                                                 : string.Empty;

                int cbCount = 0;
                foreach (var iCostBearer in lSupportConcepts[iRowCount].CostBearer2SupportConceptList)
                {
                    if (cbCount++ > 0)
                    {
                        lContent.Add(new string[lHeaderCaption.Count()]);
                        lContentIndex++;
                    }
                    if (iCostBearer.CostBearer != null && iCostBearer.CostBearer.Organisation != null)
                    {
                        lContent[lContentIndex][4] = iCostBearer.CostBearer.Organisation.Name;

                        var calc = PluginLoader.FindClass<Calculations>(iCostBearer.CostBearer.ID) ?? Calculations.GetInstance(iCostBearer.CostBearer.ID);
                        SupportConceptCostBearerRelDC relDC = MapperFactory.SupportConceptCostBearerRelDC_CostBearer2SupportConcept.MapToNewDC(iCostBearer);

                        DateTime dt = DateTime.Now;
                        DateTime end = DateTime.MaxValue;
                        if (iCostBearer.ApprovedEndDate.HasValue)
                            end = iCostBearer.ApprovedEndDate.Value;
                        else if (iCostBearer.RequestedEndDate.HasValue)
                            end = iCostBearer.RequestedEndDate.Value;
                        if (dt > end)
                            dt = end;
                        if (relDC.ApprovalPeriodList.Count == 1)
                        {
                            var ap = relDC.ApprovalPeriodList[0];
                            if (ap.ApprovedBEPerInterval.HasValue && ap.ApprovedBEInterval.HasValue && ap.ApprovedBEInterval.Value == SupportConceptApprovalInterval.Weekly)
                            {
                                var serviceUnit = relDC.CostBearer.CostRatePeriods.GetCostRatePeriodForDate(CostRatePeriodType.MinutesPerServiceUnit, DateTime.Now);
                                if (serviceUnit != null)
                                    lContent[lContentIndex][11] = String.Format("{0:0.##}", serviceUnit.GetBEInHours(ap.ApprovedBEPerInterval));
                            }
                        }
                        else
                        {
                            lContent[lContentIndex][11] = String.Format("{0:0.##}", calc.GetApprovedHoursPerWeek(relDC, dt, false)); // iCostBearer.ApprovedFLS.ToStringNullCheck();	
                        }

                        lContent[lContentIndex][12] = String.Format("{0:0.##}", calc.GetApprovedHoursTotal(relDC, false)); //iCostBearer.ApprovedFLSTotal.ToStringNullCheck();
                    }
                    else
                    {
                        lContent[lContentIndex][4] = string.Empty;
                    }

                    lContent[lContentIndex][5] = iCostBearer.CustomerReferenceNumber;
                    lContent[lContentIndex][6] = iCostBearer.RequestedStartDate.DoIfNotNull(d => d.ToShortDateString());
                    lContent[lContentIndex][7] = iCostBearer.RequestedEndDate.DoIfNotNull(d => d.ToShortDateString());
                    lContent[lContentIndex][8] = iCostBearer.ApprovedStartDate.DoIfNotNull(d => d.ToShortDateString());
                    lContent[lContentIndex][9] = iCostBearer.ApprovedEndDate.DoIfNotNull(d => d.ToShortDateString());

                    if (iCostBearer.CostBearer != null)
                    {
                        lContent[lContentIndex][13] = iCostBearer.CostBearer.CostRatePeriods.MapToNewDCs()
                            .GetCurrentlyValidRateValue(CostRatePeriodType.HourlyRate).ToStringNullCheck();
                    }

                    lContent[lContentIndex][14] = iCostBearer.Notice;

                    String mainAttendant = "";
                    foreach (Employee2Customer e2c in lSupportConcepts[iRowCount].Customer.Employee2CustomerList)
                    {
                        foreach (ValueListEntry2Object vle2o in e2c.ValueList)
                        {
                            ValueListEntry vle = vle2o.Entry;
                            if (vle.SystemEntryID != null && vle.SystemEntryID.Value == SystemEntryID.EmployeeRoleMainAttendant)
                            {
                                string empName = e2c.Employee.Person.FirstName + " " + e2c.Employee.Person.LastName;
                                if (String.IsNullOrEmpty(mainAttendant))
                                    mainAttendant = empName;
                                else
                                {
                                    if (!mainAttendant.Contains(empName))
                                    {
                                        mainAttendant += ", " + empName;
                                    }
                                }
                            }
                        }
                    }



                    lContent[lContentIndex][15] = mainAttendant;

                    if (lSupportConcepts[iRowCount].Customer.TerminationDate.HasValue)
                    {
                        lContent[lContentIndex][16] = String.Format("{0:dd.MM.yyyy}", lSupportConcepts[iRowCount].Customer.TerminationDate);
                    }
                    else
                    {
                        lContent[lContentIndex][16] = "";
                    }
                }

                // if (iRowCount < lSupportConcepts.Count - 1)
                // {
                // //next Row
                // lContentIndex++; lContent.Add(new string[lHeaderCaption.Count()]);

                // }
                lContentIndex++;
            }

            return WriteHTMLFile(lHeaderCaption, lContent.ToArray());
        }

        public string WriteHTMLFile(string[] pHeaderCaption, string[][] pContent)
        {
            return new ExcelDownload(pHeaderCaption, pContent).CreateExcelOutputString();
        }
    }
}