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";
        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();


            // add the title first
            sl.SetCellValue(row, col++, "Date");
            sl.SetCellValue(row, col++, "Concession Card");
            sl.SetCellValue(row, col++, "Concession Holder");
            sl.SetCellValue(row, col++, "ConcessionExpiry");
            sl.SetCellValue(row, col++, "ConcessionType");
            sl.SetCellValue(row, col++, "ValidationPiont");
            sl.SetCellValue(row, col++, "StaffLink No");

            //format date

            SLStyle style = sl.CreateStyle();
            style.FormatCode = "dd/mm/yyyy hh:mm:ss";
            sl.SetColumnStyle(1, style);
            style = sl.CreateStyle();
            style.Font.Bold = true;
            sl.SetRowStyle(1, style);

            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 + 2;
                sl.SetCellValue(row, col++, item.ValidateDate);
                sl.SetCellValue(row, col++, item.ConcessionCard);
                sl.SetCellValue(row, col++, item.ConcessionHolder);
                sl.SetCellValue(row, col++, item.ConcessionExpiry);
                sl.SetCellValue(row, col++, item.ConcessionType);
                sl.SetCellValue(row, col++, item.ValidationPiont);
                sl.SetCellValue(row, col++, item.StafflinkNo);
            }
            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 = "Report" +DateTime.Now.ToString("yyyy_MM_dd_HH_mm")+ ".xlsx",
             
            };



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

        }
    }
}