using System.Collections.Generic;
using System.Data;
using System.IO;
using Kreta.Core.ConnectionType;
using Kreta.Enums;
using Kreta.Web.Helpers.Extension;
using OfficeOpenXml;

namespace Kreta.BusinessLogic.Helpers.Nyomtatvanyok.Excel
{
    public class OsztalyokTantargyiStatisztika : BaseNyomtatvanyExcel
    {
        private bool IsMagatartasSzorgalomNemLatszik { get; } = false;

        public OsztalyokTantargyiStatisztika(IConnectionType connectionType, bool isMultisheetExcel = false, string templateFileName = null, bool isMagatartasSzorgalomNemLatszik = false) : base(connectionType, isMultisheetExcel)
        {
            StoredProcedure = "sp_Nyomtatvany_Excel_IdoszakiOsztalyokTantargyiStatisztika";
            IsMagatartasSzorgalomNemLatszik = isMagatartasSzorgalomNemLatszik;
            FileInfo fileInfo = null;
            if (templateFileName != null)
            {
                fileInfo = new FileInfo(templateFileName);
            }

            ExcelPackage = fileInfo == null ? new ExcelPackage() : new ExcelPackage(fileInfo);

            //Munkalap tulajdonságok beállítása
            SetWorkbookProperties();
        }

        public override void CreateSheet(Dictionary<string, string> dbParameters, int sheetIndex = 1)
        {
            DbParameters = dbParameters;

            dbParameters.TryGetValue("pErtekelestipusaId", out string ertekelesTipusaId);
            if (string.IsNullOrWhiteSpace(ertekelesTipusaId))
            {
                ertekelesTipusaId = ErtekelesTipusEnum.evvegi_jegy_ertekeles.ToString();
            }

            // Adatforrás összeállítása
            SetExcelDataSet();
            DataTable osztalyDataTable = DataSet.Tables[0];
            DataTable tantargyDataTable = DataSet.Tables[1];
            DataTable atlagDataTable = DataSet.Tables[2];
            DataTable mulasztasDataTable = DataSet.Tables[3];
            DataTable iktatasAdatokTable = DataSet.Tables[DataSet.Tables.Count - 1]; // utolsó tábla az iktatás adatok
            iktatasAdatokTable.TableName = "IktatasAdatok";

            DataAccessManual.Util.DataAccessBase.SetBoolFields(iktatasAdatokTable, "OJCSJKeresztfeleves,OJTechnikaiOsztaly,OJNemzetisegi,OJKettannyelvu,OJNyelviElokeszito,OJIsGyogypedagogiaiLogopediai,OJSportOsztaly,OJAranyJanosProgram");

            //Munkalap összeállítása
            ExcelWorksheet worksheet = CreateSheet(Resources.ExcelNyomtatvanyResource.ResourceManager.GetString("OsztalyokTantargyiStatisztikaMunkalapnev_" + ertekelesTipusaId), sheetIndex, eOrientation.Landscape, true, 2);
            worksheet.Row(1).Height = 120;
            worksheet.Column(1).Width = 30;
            worksheet.Column(2).Width = 3;
            worksheet.View.FreezePanes(2, 3);

            bool isGyakorlati = dbParameters["pElmeletgyakorlat"] == "1";

            if (IsMagatartasSzorgalomNemLatszik)
            {
                tantargyDataTable.RemoveDataRowIfAnyColumnValueMatch("TantargyId", new List<int>() { -1, -2 });
            }

            CreateHeaderColumns(worksheet, tantargyDataTable);
            CreateHeaderRows(worksheet, osztalyDataTable);
            CreateMulasztasHeaders(worksheet, tantargyDataTable.Rows.Count, isGyakorlati);

            FillMainData(worksheet, osztalyDataTable, tantargyDataTable, atlagDataTable);
            FillMulasztasData(worksheet, osztalyDataTable, mulasztasDataTable, tantargyDataTable.Rows.Count, isGyakorlati);
            FillAggregate(worksheet, osztalyDataTable.Rows.Count, tantargyDataTable.Rows.Count);
        }

        private void CreateHeaderColumns(ExcelWorksheet worksheet, DataTable tantargyDataTable)
        {

            worksheet.Cells[1, 1].Value = "Osztályok";
            worksheet.Cells[1, 1].StyleName = HeaderStyleBottomBordered.Name;
            worksheet.Cells[1, 2].Value = "Tanulók Száma";
            worksheet.Cells[1, 2].StyleName = HeaderStyle90BottomBordered.Name;

            if (tantargyDataTable.Rows.Count <= 0)
            {
                return;
            }

            var columnIndex = 3;
            foreach (DataRow dataRow in tantargyDataTable.Rows)
            {
                worksheet.Column(columnIndex).Width = 7;
                worksheet.Cells[1, columnIndex].Value = dataRow["TantargyNev"];
                worksheet.Cells[1, columnIndex].StyleName = HeaderStyle90BottomBordered.Name;
                columnIndex++;
            }
        }

        private void CreateHeaderRows(ExcelWorksheet worksheet, DataTable osztalyDataTable)
        {
            if (osztalyDataTable.Rows.Count <= 0)
            {
                return;
            }

            var rowIndex = 2;
            foreach (DataRow dataRow in osztalyDataTable.Rows)
            {
                worksheet.Cells[rowIndex, 1].Value = dataRow["OsztalyNev"];
                worksheet.Cells[rowIndex, 1].StyleName = HeaderStyleBottomBordered.Name;
                worksheet.Cells[rowIndex, 2].Value = dataRow["Letszam"];
                worksheet.Cells[rowIndex, 2].StyleName = NormalStyleBottomBordered.Name;
                rowIndex++;
            }
        }

        private void CreateMulasztasHeaders(ExcelWorksheet worksheet, int colNumber, bool isGyakorlati)
        {
            if (isGyakorlati)
            {
                worksheet.Cells[1, colNumber + 3].Value = "Igazolt hiányzás (elméleti)";
                worksheet.Cells[1, colNumber + 3].StyleName = HeaderStyle90BottomBorderedBGGray.Name;
                worksheet.Cells[1, colNumber + 4].Value = "Igazolt késés (elméleti, óra)";
                worksheet.Cells[1, colNumber + 4].StyleName = HeaderStyle90BottomBorderedBGGray.Name;
                worksheet.Cells[1, colNumber + 5].Value = "Igazolatlan hiányzás (elméleti)";
                worksheet.Cells[1, colNumber + 5].StyleName = HeaderStyle90BottomBorderedBGGray.Name;
                worksheet.Cells[1, colNumber + 6].Value = "Igazolatlan késés (elméleti, óra)";
                worksheet.Cells[1, colNumber + 6].StyleName = HeaderStyle90BottomBorderedBGGray.Name;
                worksheet.Cells[1, colNumber + 7].Value = "Igazolt hiányzás (gyakorlati)";
                worksheet.Cells[1, colNumber + 7].StyleName = HeaderStyle90BottomBorderedBGGray.Name;
                worksheet.Cells[1, colNumber + 8].Value = "Igazolt késés (gyakorlati, óra)";
                worksheet.Cells[1, colNumber + 8].StyleName = HeaderStyle90BottomBorderedBGGray.Name;
                worksheet.Cells[1, colNumber + 9].Value = "Igazolatlanhiányzás (gyakorlati) ";
                worksheet.Cells[1, colNumber + 9].StyleName = HeaderStyle90BottomBorderedBGGray.Name;
                worksheet.Cells[1, colNumber + 10].Value = "Igazolatlankésés (gyakorlati, óra)";
                worksheet.Cells[1, colNumber + 10].StyleName = HeaderStyle90BottomBorderedBGGray.Name;
            }
            else
            {
                worksheet.Cells[1, colNumber + 3].Value = "Igazolt hiányzás";
                worksheet.Cells[1, colNumber + 3].StyleName = HeaderStyle90BottomBorderedBGGray.Name;
                worksheet.Cells[1, colNumber + 4].Value = "Igazolt késés (óra)";
                worksheet.Cells[1, colNumber + 4].StyleName = HeaderStyle90BottomBorderedBGGray.Name;
                worksheet.Cells[1, colNumber + 5].Value = "Igazolatlan hiányzás";
                worksheet.Cells[1, colNumber + 5].StyleName = HeaderStyle90BottomBorderedBGGray.Name;
                worksheet.Cells[1, colNumber + 6].Value = "Igazolatlan késés (óra)";
                worksheet.Cells[1, colNumber + 6].StyleName = HeaderStyle90BottomBorderedBGGray.Name;
            }
        }

        private void FillMainData(ExcelWorksheet worksheet, DataTable osztalyDataTable, DataTable tantargyDataTable, DataTable atlagDataTable)
        {
            var rowIndex = 2;
            foreach (DataRow osztalyDataRow in osztalyDataTable.Rows)
            {
                var columnIndex = 3;
                foreach (DataRow tantargyDataRow in tantargyDataTable.Rows)
                {
                    string rowFilter = $"OsztalyId = {osztalyDataRow["OsztalyId"]} AND TantargyId = {tantargyDataRow["TantargyId"]}";
                    var ert = atlagDataTable.Select(rowFilter);
                    worksheet.Cells[rowIndex, columnIndex].StyleName = Numeric2StyleBottomBordered.Name;
                    if (ert.Length != 0)
                    {
                        worksheet.Cells[rowIndex, columnIndex].Value = ert[0].ItemArray[4];
                    }

                    columnIndex++;
                }

                rowIndex++;
            }
        }

        private void FillMulasztasData(ExcelWorksheet worksheet, DataTable osztalyDataTable, DataTable mulasztasDataTable, int colNumber, bool isGyakorlati)
        {
            if (osztalyDataTable.Rows.Count <= 0)
            {
                return;
            }

            string gyakorlatiFilter = "AND Gyakorlati = 'T'";
            string nemGyakorlatiFilter = " AND Gyakorlati = 'F'";
            int gyakorlatiIndex = isGyakorlati ? 1 : 0;

            var rowIndex = 2;
            foreach (DataRow dataRow in osztalyDataTable.Rows)
            {
                string igazoltHianyzasRowfilter = $"Tipus = {1500} AND Igazolt = 'T' AND OsztalyId = {dataRow["OsztalyId"]}";
                string igazoltKesesRowfilter = $"Tipus = {1499} AND Igazolt = 'T' AND OsztalyId = {dataRow["OsztalyId"]}";
                string igazolatlanHianyzasRowfilter = $"Tipus = {1500} AND Igazolt = 'F' AND OsztalyId = {dataRow["OsztalyId"]}";
                string igazolatlanKesesRowfilter = $"Tipus = {1499} AND Igazolt = 'F' AND OsztalyId = {dataRow["OsztalyId"]}";
                string igazoltGyakHianyzasRowfilter = $"{igazoltHianyzasRowfilter} {gyakorlatiFilter}";
                string igazoltGyakKesesRowfilter = $"{igazolatlanKesesRowfilter} {gyakorlatiFilter}";
                string igazolatlanGyakHianyzasRowfilter = $"{igazolatlanHianyzasRowfilter} {gyakorlatiFilter}";
                string igazolatlanGyakKesesRowfilter = $"{igazolatlanKesesRowfilter} {gyakorlatiFilter}";

                if (isGyakorlati)
                {
                    igazoltHianyzasRowfilter += nemGyakorlatiFilter;
                    igazolatlanKesesRowfilter += nemGyakorlatiFilter;
                    igazolatlanHianyzasRowfilter += nemGyakorlatiFilter;
                    igazolatlanKesesRowfilter += nemGyakorlatiFilter;
                }

                var igazoltHianyzas = mulasztasDataTable.Select(igazoltHianyzasRowfilter);
                var igazoltKeses = mulasztasDataTable.Select(igazoltKesesRowfilter);
                var igazolatlanHianyzas = mulasztasDataTable.Select(igazolatlanHianyzasRowfilter);
                var igazolatlanKeses = mulasztasDataTable.Select(igazolatlanKesesRowfilter);
                DataRow[] igazoltGyakHianyzas;
                DataRow[] igazoltGyakKeses;
                DataRow[] igazolatlanGyakHianyzas;
                DataRow[] igazolatlanGyakKeses;

                if (isGyakorlati)
                {
                    igazoltGyakHianyzas = mulasztasDataTable.Select(igazoltGyakHianyzasRowfilter);
                    igazoltGyakKeses = mulasztasDataTable.Select(igazoltGyakKesesRowfilter);
                    igazolatlanGyakHianyzas = mulasztasDataTable.Select(igazolatlanGyakHianyzasRowfilter);
                    igazolatlanGyakKeses = mulasztasDataTable.Select(igazolatlanGyakKesesRowfilter);

                    worksheet.Cells[rowIndex, colNumber + 7].StyleName = IntegerStyleBottomBordered.Name;
                    worksheet.Cells[rowIndex, colNumber + 8].StyleName = IntegerStyleBottomBordered.Name;
                    worksheet.Cells[rowIndex, colNumber + 9].StyleName = IntegerStyleBottomBordered.Name;
                    worksheet.Cells[rowIndex, colNumber + 10].StyleName = IntegerStyleBottomBordered.Name;

                    if (igazoltGyakHianyzas.Length != 0)
                    {
                        worksheet.Cells[rowIndex, colNumber + 7].Value = igazoltGyakHianyzas[0].ItemArray[5];
                    }

                    if (igazoltGyakKeses.Length != 0)
                    {
                        worksheet.Cells[rowIndex, colNumber + 8].Value = igazoltGyakKeses[0].ItemArray[4];
                    }

                    if (igazolatlanGyakHianyzas.Length != 0)
                    {
                        worksheet.Cells[rowIndex, colNumber + 9].Value = igazolatlanGyakHianyzas[0].ItemArray[5];
                    }

                    if (igazolatlanGyakKeses.Length != 0)
                    {
                        worksheet.Cells[rowIndex, colNumber + 10].Value = igazolatlanGyakKeses[0].ItemArray[4];
                    }
                }

                worksheet.Cells[rowIndex, colNumber + 3].StyleName = IntegerStyleBottomBordered.Name;
                worksheet.Cells[rowIndex, colNumber + 4].StyleName = IntegerStyleBottomBordered.Name;
                worksheet.Cells[rowIndex, colNumber + 5].StyleName = IntegerStyleBottomBordered.Name;
                worksheet.Cells[rowIndex, colNumber + 6].StyleName = IntegerStyleBottomBordered.Name;

                if (igazoltHianyzas.Length != 0)
                {
                    worksheet.Cells[rowIndex, colNumber + 3].Value = igazoltHianyzas[0].ItemArray[4 + gyakorlatiIndex];
                }

                if (igazoltKeses.Length != 0)
                {
                    worksheet.Cells[rowIndex, colNumber + 4].Value = igazoltKeses[0].ItemArray[3 + gyakorlatiIndex];
                }

                if (igazolatlanHianyzas.Length != 0)
                {
                    worksheet.Cells[rowIndex, colNumber + 5].Value = igazolatlanHianyzas[0].ItemArray[4 + gyakorlatiIndex];
                }

                if (igazolatlanKeses.Length != 0)
                {
                    worksheet.Cells[rowIndex, colNumber + 6].Value = igazolatlanKeses[0].ItemArray[3 + gyakorlatiIndex];
                }

                rowIndex++;
            }
        }

        private void FillAggregate(ExcelWorksheet worksheet, int rowNumber, int colNumber)
        {
            worksheet.Cells[rowNumber + 2, 1].Value = "Tantárgyi átlagok";
            worksheet.Cells[rowNumber + 2, 1].StyleName = HeaderStyle.Name;
            string aggrfunctionname = "AVERAGE";

            for (int columnIndex = 0; columnIndex < colNumber; columnIndex++)
            {
                string formula = $"{aggrfunctionname}({ColumnLabel(columnIndex + 3)}{2}:{ColumnLabel(columnIndex + 3)}{rowNumber + 1})";
                formula = $"IF(ISERROR({formula}),\"\",{formula})";
                AddFormulaCell(worksheet, rowNumber + 2, columnIndex + 3, "=" + formula, Numeric2Style);
            }
        }
    }
}