using CarParkValidationAPI.Datas;
using CarParkValidationAPI.Models;
using Microsoft.Extensions.Options;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using SpreadsheetLight;
using CarParkValidationAPI.Entities;
using System.IO;

namespace CarParkValidationAPI.Repository
{
    public class ConcessionValidationReportRepository
    {
        private readonly DataContext _context;
        private readonly IOptions<AppSettings> _appSettings;
        const string DateFormat = "dd-MM-yyyy HH:mm";
        const string dateFormat = "dd-MM-yyyyy";
        public ConcessionValidationReportRepository(
            DataContext context, IOptions<AppSettings> appSettings)
        {
            _context = context;
            _appSettings = appSettings;
        }

        public async Task<ResultModel<FileContent>> GetConcessionValidationReport(DateTime fromDate, DateTime toDate)
        {
            //excel SLDocument sl = new SLDocument();
            int statusCode = 1;
            ConcessionValidationExtDto item;
            int col = 1;
            int row = 1;
            SLDocument sl = new SLDocument();


            //first sheetName
            sl.RenameWorksheet(SLDocument.DefaultFirstSheetName, "ConcessionValidation");
            SLStyle style = sl.CreateStyle();
            style.SetFontUnderline(DocumentFormat.OpenXml.Spreadsheet.UnderlineValues.Single);
            style.SetFontBold(true);
            style.SetFont("Arial Black", 16);
            sl.SetCellStyle(1, 5, style);
            sl.SetRowHeight(1, 1, 25);
            sl.SetCellValue(row++, 5, "The Concession Validation Report");
            sl.SetCellValue(row, 3, "Date Range: " + fromDate.ToString(dateFormat) + " - " + toDate.ToString(dateFormat) );
            sl.SetCellValue(1, 6, " " + DateTime.Now.ToString("ddd dd/MM/yyyy HH:mm"));

            int startTitleRow = 3;
            row = startTitleRow;
            //make the title bold
            style = sl.CreateStyle();
            style.Font.Bold = true;
            sl.SetRowStyle(startTitleRow, style);
            //set it height
            sl.SetRowHeight(startTitleRow, startTitleRow, 25);
            // add the title first
            sl.SetCellValue(row, col++, "Date");
            sl.SetCellValue(row, col++, "Concession Card Number");
            sl.SetCellValue(row, col++, "Concession Holder Name");
            sl.SetCellValue(row, col++, "Expiry date checked");
            sl.SetCellValue(row, col++, "ConcessionType");
            sl.SetCellValue(row, col++, "Validation Piont");
       //     sl.SetCellValue(row, col++, "StaffLink No");
			sl.SetCellValue(row, col++, "Enter by");
         //   sl.SetCellValue(row, col++, "Staff Last name");
          //  sl.SetCellValue(row, col++, "Staff Email");
            sl.FreezePanes(row, col - 1); //frozen the row.
            //wrap text on is concession Expiry
            style = sl.CreateStyle();
            style.SetWrapText(true);
            sl.SetColumnStyle(4, style);

            //format date

            style = sl.CreateStyle();
            style.FormatCode = "dd/MM/yyyy HH:MM";
            sl.SetColumnStyle(1, style);
            //make column width
            sl.SetColumnWidth(1, 20);
            sl.SetColumnWidth(2, 18);
            sl.SetColumnWidth(3, 25);
            sl.SetColumnWidth(4, 20);
            sl.SetColumnWidth(5, 50);
            sl.SetColumnWidth(6, 40);
            sl.SetColumnWidth(7, 40);
          //  sl.SetColumnWidth(8, 20);
          //  sl.SetColumnWidth(9, 20);
        //    sl.SetColumnWidth(10, 20);
            int startRowFrom = startTitleRow+1;
            var list = await _context.SelectConcessionValidationByDate(true, fromDate.ToLocalTime(), toDate.ToLocalTime());
            for (int i = 0; i < list.Count; i++)
            {
                col = 1;
                item = list[i];
                row = i + startRowFrom;
                sl.SetCellValue(row, col++, item.ValidateDate);
                sl.SetCellValue(row, col++, item.ConcessionCard);
                sl.SetCellValue(row, col++, item.ConcessionHolder);
                sl.SetCellValue(row, col++, item.ConcessionExpiry ? "Yes": "No");
                sl.SetCellValue(row, col++, item.ConcessionType);
                sl.SetCellValue(row, col++, item.ValidationPoint);
             //   sl.SetCellValue(row, col++, item.StafflinkNo);
				sl.SetCellValue(row, col++, item.StaffFirstName + " " + item.StaffLastName);
               // sl.SetCellValue(row, col++, item.StaffLastName);
               // sl.SetCellValue(row, col++, item.StaffEmail);
            }
            byte[] array;
            //  sl.SaveAs("C:\\Temp\\Report\\ConcessionValidationDate" + DateTime.Now.ToString("yyyyMMddHHmm") + ".xlsx");
            using (MemoryStream ws = new MemoryStream())
            {
                sl.SaveAs(ws);
                array = ws.ToArray();
                /*
                using (FileStream fs = new FileStream("c:\\temp\\Report\\conReport.xlsx",FileMode.Create,FileAccess.Write))
                {
                    ws.WriteTo(fs);
                    fs.Close();
                }
                */
                ws.Close();
            }

            var result = new FileContent
            {
                Content = array,
                FileName = "ConcessionValidation" + DateTime.Now.ToString("yyyy_MM_dd_HH_mm")+ ".xlsx",
             
            };

            return new ResultModel<FileContent>
            {
                Data = result,
                StatusCode = statusCode
            };

        }
    }
}