using _0_Framework.Excel;
using _0_Framework.Application;
using CompanyManagment.App.Contracts.RollCall;
using OfficeOpenXml;
using OfficeOpenXml.Drawing;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace CompanyManagement.Infrastructure.Excel.RollCall;

public class RollCallExcelGenerator : ExcelGenerator
{
    public static byte[] CaseHistoryExcelForEmployee(CaseHistoryRollCallExcelForEmployeeViewModel data)
    {
        OfficeOpenXml.ExcelPackage.License.SetNonCommercialOrganization("Gozareshgir Noncommercial organization");
        using var package = new OfficeOpenXml.ExcelPackage();
        var worksheet = package.Workbook.Worksheets.Add("Sheet1");
        var rollCalls = data.RollCalls;
        var row = 6;

        worksheet.Cells.Style.Locked = false;


        // Merge cells from row 1 to 4, covering columns A to G
        worksheet.Cells["A1:H4"].Merge = true;

        // Add the image to the merged cell
        var headerImagePath = Path.Combine("wwwroot", "Excel", "header", "21.png");
        using (var stream = new FileStream(headerImagePath, FileMode.Open, FileAccess.Read))
        {
            var picture = worksheet.Drawings.AddPicture("HeaderImage", stream);
            picture.SetPosition(0, 0, 0, 0); // Set position to the merged 
            picture.ChangeCellAnchor(eEditAs.TwoCell);
            picture.EditAs = eEditAs.Absolute;
        }

        // Add border to the merged cell
        var mergedCell = worksheet.Cells["A1:H4"];
        mergedCell.Style.Border.Top.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        mergedCell.Style.Border.Bottom.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        mergedCell.Style.Border.Left.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        mergedCell.Style.Border.Right.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;

        // Add merged cells below the image
        worksheet.Cells["A5:C5"].Merge = true; // ماه
        worksheet.Cells["D5:F5"].Merge = true; // نام کارمند
        worksheet.Cells["G5:H5"].Merge = true; // شماره پرسنلی

        // Add data from ViewModel
        worksheet.Cells["A5"].Value = $"{data.PersianMonthName} {data.PersianYear}"; // ماه و سال
        worksheet.Cells["D5"].Value = data.EmployeeFullName; // نام کارمند
        worksheet.Cells["G5"].Value = $"شماره پرسنلی: {data.PersonnelCode}"; // شماره پرسنلی

        // Style merged cells
        for (int i = 5; i <= 5; i++)
        {
            worksheet.Cells[$"A{i}:B{i}"].Style.Font.Bold = true;
            worksheet.Cells[$"A{i}:B{i}"].Style.HorizontalAlignment = OfficeOpenXml.Style.ExcelHorizontalAlignment.Center;
            worksheet.Cells[$"A{i}:B{i}"].Style.VerticalAlignment = OfficeOpenXml.Style.ExcelVerticalAlignment.Center;
            worksheet.Cells[$"A{i}:B{i}"].Style.Font.Size = 14; // Larger font size

            worksheet.Cells[$"C{i}:E{i}"].Style.Font.Bold = true;
            worksheet.Cells[$"C{i}:E{i}"].Style.HorizontalAlignment = OfficeOpenXml.Style.ExcelHorizontalAlignment.Center;
            worksheet.Cells[$"C{i}:E{i}"].Style.VerticalAlignment = OfficeOpenXml.Style.ExcelVerticalAlignment.Center;
            worksheet.Cells[$"C{i}:E{i}"].Style.Font.Size = 14; // Larger font size

            worksheet.Cells[$"F{i}:G{i}"].Style.Font.Bold = true;
            worksheet.Cells[$"F{i}:G{i}"].Style.HorizontalAlignment = OfficeOpenXml.Style.ExcelHorizontalAlignment.Center;
            worksheet.Cells[$"F{i}:G{i}"].Style.VerticalAlignment = OfficeOpenXml.Style.ExcelVerticalAlignment.Center;
            worksheet.Cells[$"F{i}:G{i}"].Style.Font.Size = 14; // Larger font size
        }

        //add border to headers
        worksheet.Cells["A5"].Style.Border.Left.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        worksheet.Cells["H5"].Style.Border.Right.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;

        worksheet.Cells["A6"].Style.Border.Left.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        worksheet.Cells["H6"].Style.Border.Right.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;

        worksheet.Cells["B6:C6"].Merge = true;

        // Lock cells A1 to H6
        worksheet.Cells["A1:H6"].Style.Locked = true;
        // Set worksheet protection with password

        worksheet.Protection.IsProtected = true;
        worksheet.Protection.SetPassword("Gozareshgir2049"); // Set your desired password here

        worksheet.Protection.AllowSelectLockedCells = true; // Unlock all other cells

        // Add headers
        worksheet.Cells["A6"].Value = "ردیف";
        worksheet.Cells["B6"].Value = "تاریخ";
        worksheet.Cells["D6"].Value = "تاخیر در ورود";
        worksheet.Cells["E6"].Value = "ورود";
        worksheet.Cells["F6"].Value = "خروج";
        worksheet.Cells["G6"].Value = "تعجیل در خروج";
        worksheet.Cells["H6"].Value = "مجموع ساعات کاری";

        // Style headers
        using (var range = worksheet.Cells[row, 1, row, 8])
        {
            range.Style.Font.Bold = true;
            range.Style.Fill.PatternType = OfficeOpenXml.Style.ExcelFillStyle.Solid;
            range.Style.Fill.BackgroundColor.SetColor(System.Drawing.Color.LightGray);
            range.Style.HorizontalAlignment = OfficeOpenXml.Style.ExcelHorizontalAlignment.Center;
            range.Style.Border.Right.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
            range.Style.Border.Left.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
            range.Style.Border.Bottom.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
            range.Style.Border.Top.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        }

        // Add data
        for (int i = 0; i < rollCalls.Count; i++)
        {
            var rollCall = rollCalls[i];
            worksheet.Cells[i + row + 1, 1].Value = i + 1;
            worksheet.Cells[i + row + 1, 2].Value = rollCall.DayOfWeekFa;
            worksheet.Cells[i + row + 1, 3].Value = rollCall.DateFa;
            worksheet.Cells[i + row + 1, 4].Value = rollCall.EnterTimeDifferences;
            worksheet.Cells[i + row + 1, 5].Value = rollCall.StartsItems;
            worksheet.Cells[i + row + 1, 6].Value = rollCall.EndsItems;
            worksheet.Cells[i + row + 1, 7].Value = rollCall.ExitTimeDifferences;
            worksheet.Cells[i + row + 1, 8].Value = rollCall.TotalWorkingHours == string.Empty 
                ? "ندارد" : rollCall.TotalWorkingHours;

            // Style data cells
            for (int j = 1; j <= 8; j++)
            {
                var cell = worksheet.Cells[i + row + 1, j];
                cell.Style.Border.BorderAround(OfficeOpenXml.Style.ExcelBorderStyle.Thin);
                cell.Style.HorizontalAlignment = OfficeOpenXml.Style.ExcelHorizontalAlignment.Center;
                cell.Style.VerticalAlignment = OfficeOpenXml.Style.ExcelVerticalAlignment.Center;

                if (j == 5 || j == 6)
                {
                    cell.Style.WrapText = true;
                }
            }
        }

        // Merge the last row
        int lastRow = rollCalls.Count + row +1;
        worksheet.Cells[$"A{lastRow}:G{lastRow}"].Merge = true;
        worksheet.Cells[$"A{lastRow}"].Value = $"مجموع کل ساعات کاری : {data.TotalWorkingHoursFa}"; // Replace with your actual data
        worksheet.Cells[$"A{lastRow}"].Style.HorizontalAlignment = OfficeOpenXml.Style.ExcelHorizontalAlignment.Left; // Align left
        worksheet.Cells[$"A{lastRow}"].Style.Font.Bold = true;



        // Add border to the merged last row
        worksheet.Cells[$"A{lastRow}:G{lastRow}"].Style.Border.Top.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        worksheet.Cells[$"A{lastRow}:G{lastRow}"].Style.Border.Bottom.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        worksheet.Cells[$"A{lastRow}:G{lastRow}"].Style.Border.Left.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        worksheet.Cells[$"A{lastRow}:G{lastRow}"].Style.Border.Right.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;


        worksheet.Cells[$"H{lastRow}"].Value = data.TotalWorkingTimeSpan;
        worksheet.Cells[$"H{lastRow}"].Style.Font.Bold = true;

        worksheet.Cells[$"H{lastRow}"].Style.Border.Top.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        worksheet.Cells[$"H{lastRow}"].Style.Border.Bottom.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        worksheet.Cells[$"H{lastRow}"].Style.Border.Left.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        worksheet.Cells[$"H{lastRow}"].Style.Border.Right.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        worksheet.Cells[$"H{lastRow}"].Style.HorizontalAlignment = OfficeOpenXml.Style.ExcelHorizontalAlignment.Center;



        // Adjust column widths
        worksheet.Cells[worksheet.Dimension.Address].AutoFitColumns();

        // Set the sheet to A4 size
        worksheet.PrinterSettings.PaperSize = ePaperSize.A4;
        worksheet.PrinterSettings.Orientation = eOrientation.Portrait; // or Landscape
        worksheet.PrinterSettings.FitToWidth = 1;
        worksheet.PrinterSettings.FitToHeight = 0;
        worksheet.View.RightToLeft = true;

        // Repeat headers on every page
        worksheet.PrinterSettings.RepeatRows = new OfficeOpenXml.ExcelAddress("1:6"); // Repeat rows 1 to 6 on every page

        return package.GetAsByteArray();
    }


    public static byte[] CaseHistoryExcelForOneDay(CaseHistoryRollCallForOneDayViewModel data)
    {
        OfficeOpenXml.ExcelPackage.License.SetNonCommercialOrganization("Gozareshgir Noncommercial organization");
        using var package = new OfficeOpenXml.ExcelPackage();
        var worksheet = package.Workbook.Worksheets.Add("Sheet1");
        var rollCalls = data.RollCalls;
        var row = 6;

        worksheet.Cells.Style.Locked = false;


        // Merge cells from row 1 to 4, covering columns A to H
        worksheet.Cells["A1:H4"].Merge = true;


        // Add the image to the merged cell
        var headerImagePath = Path.Combine("wwwroot", "Excel", "header", "21.OneDay.png");
        using (var stream = new FileStream(headerImagePath, FileMode.Open, FileAccess.Read))
        {
            var picture = worksheet.Drawings.AddPicture("HeaderImage", stream);
            picture.SetPosition(0, 0, 0, 0); // Set position to the merged cell
                                             //picture.SetSize(600, 75); // Adjust the size as needed
        }

        // Add border to the merged cell
        var mergedCell = worksheet.Cells["A1:H4"];
        mergedCell.Style.Border.Top.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        mergedCell.Style.Border.Bottom.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        mergedCell.Style.Border.Left.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        mergedCell.Style.Border.Right.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;

        // Add merged cells below the image
        worksheet.Cells["A5:H5"].Merge = true;

        // Add data from ViewModel
        worksheet.Cells["A5"].Value = $"پرینت حضور و غیاب کل پرسنل به تاریخ {data.DateFa}"; // تاریخ

        // Style merged cells
        var mergedHeaderCell = worksheet.Cells["A5:H5"];
        mergedHeaderCell.Style.Font.Bold = true;
        mergedHeaderCell.Style.HorizontalAlignment = OfficeOpenXml.Style.ExcelHorizontalAlignment.Center;
        mergedHeaderCell.Style.VerticalAlignment = OfficeOpenXml.Style.ExcelVerticalAlignment.Center;
        mergedHeaderCell.Style.Font.Size = 14; // Larger font size

        // Add border to header cell
        worksheet.Cells["A5"].Style.Border.Left.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        worksheet.Cells["H5"].Style.Border.Right.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;

        // Add headers
        worksheet.Cells[row, 1].Value = "ردیف";
        worksheet.Cells[row, 2].Value = "نام و نام خانوادگی";
        worksheet.Cells[row, 3].Value = "شماره پرسنلی";
        worksheet.Cells[row, 4].Value = "تاخیر در ورود";
        worksheet.Cells[row, 5].Value = "ورود";
        worksheet.Cells[row, 6].Value = "خروج";
        worksheet.Cells[row, 7].Value = "تعجیل در خروج";
        worksheet.Cells[row, 8].Value = "مجموع ساعات کاری";

        // Style headers with left and right borders
        worksheet.Cells[row, 1].Style.Border.Right.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin; // Right border for first column
        worksheet.Cells[row, 8].Style.Border.Left.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;  // Left border for last column

        // Style headers
        using (var range = worksheet.Cells[row, 1, row, 8])
        {
            range.Style.Font.Bold = true;
            range.Style.Fill.PatternType = OfficeOpenXml.Style.ExcelFillStyle.Solid;
            range.Style.Fill.BackgroundColor.SetColor(System.Drawing.Color.LightGray);
            range.Style.HorizontalAlignment = OfficeOpenXml.Style.ExcelHorizontalAlignment.Center;
            range.Style.Border.Right.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
            range.Style.Border.Left.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
            range.Style.Border.Bottom.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
            range.Style.Border.Top.Style = OfficeOpenXml.Style.ExcelBorderStyle.Thin;
        }

        // Lock cells A1 to H6
        worksheet.Cells["A1:H6"].Style.Locked = true;
        // Set worksheet protection with password

        worksheet.Protection.IsProtected = true;
        worksheet.Protection.SetPassword("Gozareshgir2049");

        // Add data
        for (int i = 0; i < rollCalls.Count; i++)
        {
            var rollCall = rollCalls[i];
            worksheet.Cells[i + row + 1, 1].Value = i + 1;
            worksheet.Cells[i + row + 1, 2].Value = rollCall.EmployeeFullName;
            worksheet.Cells[i + row + 1, 3].Value = rollCall.PersonnelCode;
            worksheet.Cells[i + row + 1, 4].Value = "-";
            worksheet.Cells[i + row + 1, 5].Value = rollCall.StartsItems;
            worksheet.Cells[i + row + 1, 6].Value = rollCall.EndsItems;
            worksheet.Cells[i + row + 1, 7].Value = "-";
            worksheet.Cells[i + row + 1, 8].Value = rollCall.TotalWorkingHours;

            // Style data cells
            for (int j = 1; j <= 8; j++)
            {
                var cell = worksheet.Cells[i + row + 1, j];
                cell.Style.Border.BorderAround(OfficeOpenXml.Style.ExcelBorderStyle.Thin);
                cell.Style.HorizontalAlignment = OfficeOpenXml.Style.ExcelHorizontalAlignment.Center;
                cell.Style.VerticalAlignment = OfficeOpenXml.Style.ExcelVerticalAlignment.Center;

                if (j == 5 || j == 6)
                {
                    cell.Style.WrapText = true;
                }
            }
        }


        // Adjust column widths
        worksheet.Cells[worksheet.Dimension.Address].AutoFitColumns();

        // Set the sheet to A4 size
        worksheet.PrinterSettings.PaperSize = ePaperSize.A4;
        worksheet.PrinterSettings.Orientation = eOrientation.Portrait;
        worksheet.PrinterSettings.FitToPage = true;
        worksheet.PrinterSettings.FitToWidth = 1;
        worksheet.PrinterSettings.FitToHeight = 0;
        worksheet.PrinterSettings.Scale = 85; // Scale to fit content within A4 width
        worksheet.View.RightToLeft = true;

        // Repeat headers on every page
        worksheet.PrinterSettings.RepeatRows = new OfficeOpenXml.ExcelAddress("1:6"); // Repeat rows 1 to 6 on every page

        return package.GetAsByteArray();
    }

    public static byte[] CaseHistoryExcelForEmployee(List<RollCallCaseHistoryDetail> data, string titleId)
    {
        if (!Regex.IsMatch(titleId, @"^\d{4}_\d{2}$"))
            throw new ArgumentException("Invalid titleId format.", nameof(titleId));

        var splitDate = titleId.Split("_");
        var year = Convert.ToInt32(splitDate.First());
        var month = Convert.ToInt32(splitDate.Last());

        var startDateFa = $"{year:D4}/{month:D2}/01";
        var startDate = startDateFa.ToGeorgianDateTime();
        var endDateFa = startDateFa.FindeEndOfMonth();
        var endDate = endDateFa.ToGeorgianDateTime();

        var dateRange = (int)(endDate.Date - startDate.Date).TotalDays + 1;
        var dates = Enumerable.Range(0, dateRange).Select(x => startDate.AddDays(x)).ToList();

        var safeData = data ?? new List<RollCallCaseHistoryDetail>();
        var first = safeData.FirstOrDefault();
        var totalWorkingTime = new TimeSpan(safeData.Sum(x => x.TotalWorkingTime.Ticks));

        var viewModel = new CaseHistoryRollCallExcelForEmployeeViewModel
        {
            EmployeeId = first?.EmployeeId ?? 0,
            DateGr = startDate,
            PersonnelCode = first?.PersonnelCode,
            EmployeeFullName = first?.EmployeeFullName,
            PersianMonthName = month.ToFarsiMonthByIntNumber(),
            PersianYear = year.ToString(),
            TotalWorkingHoursFa = totalWorkingTime.ToFarsiHoursAndMinutes("-"),
            TotalWorkingTimeSpan = $"{(int)totalWorkingTime.TotalHours}:{totalWorkingTime.Minutes:00}",
            RollCalls = dates.Select((date, index) =>
            {
                var item = index < safeData.Count ? safeData[index] : null;
                var records = item?.Records ?? new List<RollCallCaseHistoryDetailRecord>();

                return new RollCallItemForEmployeeExcelViewModel
                {
                    DateGr = date,
                    DateFa = date.ToFarsi(),
                    DayOfWeekFa = date.DayOfWeek.DayOfWeeKToPersian(),
                    PersonnelCode = item?.PersonnelCode,
                    EmployeeFullName = item?.EmployeeFullName,
                    IsAbsent = item?.Status == RollCallRecordStatus.Absent,
                    HasLeave = item?.Status == RollCallRecordStatus.Leaved,
                    IsHoliday = false,
                    TotalWorkingHours = (item?.TotalWorkingTime ?? TimeSpan.Zero).ToFarsiHoursAndMinutes("-"),
                    StartsItems = JoinRecords(records, r => r.StartTime),
                    EndsItems = JoinRecords(records, r => r.EndTime),
                    EnterTimeDifferences = JoinRecords(records, r => FormatSignedTimeSpan(r.EntryTimeDifference)),
                    ExitTimeDifferences = JoinRecords(records, r => FormatSignedTimeSpan(r.ExitTimeDifference))
                };
            }).ToList()
        };

        return CaseHistoryExcelForEmployee(viewModel);
    }

    public static byte[] CaseHistoryExcelForOneDay(List<RollCallCaseHistoryDetail> data, string titleId)
    {
        if (!Regex.IsMatch(titleId, @"^\d{4}/\d{2}/\d{2}$"))
            throw new ArgumentException("Invalid titleId format.", nameof(titleId));

        var dateGr = titleId.ToGeorgianDateTime();
        var safeData = data ?? new List<RollCallCaseHistoryDetail>();

        var viewModel = new CaseHistoryRollCallForOneDayViewModel
        {
            DateFa = titleId,
            DateGr = dateGr,
            DayOfWeekFa = dateGr.DayOfWeek.DayOfWeeKToPersian(),
            RollCalls = safeData.Select(item =>
            {
                var records = item.Records ?? new List<RollCallCaseHistoryDetailRecord>();
                return new RollCallItemForOneDayExcelViewModel
                {
                    EmployeeFullName = item.EmployeeFullName,
                    PersonnelCode = item.PersonnelCode,
                    StartsItems = JoinRecords(records, r => r.StartTime),
                    EndsItems = JoinRecords(records, r => r.EndTime),
                    TotalWorkingHours = item.TotalWorkingTime.ToFarsiHoursAndMinutes("-")
                };
            }).ToList()
        };

        return CaseHistoryExcelForOneDay(viewModel);
    }

    private static string JoinRecords(IEnumerable<RollCallCaseHistoryDetailRecord> records, Func<RollCallCaseHistoryDetailRecord, string> selector)
    {
        var safeRecords = records ?? Enumerable.Empty<RollCallCaseHistoryDetailRecord>();
        var values = safeRecords.Select(selector).Where(x => !string.IsNullOrWhiteSpace(x)).ToList();
        return values.Count == 0 ? string.Empty : string.Join(Environment.NewLine, values);
    }

    private static string FormatSignedTimeSpan(TimeSpan value)
    {
        if (value == TimeSpan.Zero)
            return "-";

        var abs = value.Duration();
        var sign = value.Ticks < 0 ? "-" : "+";
        return $"{(int)abs.TotalHours}:{abs.Minutes:00}{sign}";
    }

    private string CalculateExitMinuteDifference(TimeSpan early, TimeSpan late)
    {
        if (early == TimeSpan.Zero && late == TimeSpan.Zero)
        {
            return "-";
        }
        else if (late != TimeSpan.Zero)
        {
            var minutes = late.TotalMinutes > 999 ? "999" : late.TotalMinutes.ToString();
            return $"{minutes}+";
        }
        else if (early != TimeSpan.Zero)
        {
            var minutes = early.TotalMinutes > 999 ? "999" : early.TotalMinutes.ToString();
            return $"{minutes}-";
        }
        else
        {
            return $"";
        }
    }

    private string CalculateEntryMinuteDifference(TimeSpan early, TimeSpan late)
    {
        if (early == TimeSpan.Zero && late == TimeSpan.Zero)
        {
            return "-";
        }
        else if (late != TimeSpan.Zero)
        {
            var minutes = late.TotalMinutes > 999 ? "999" : late.TotalMinutes.ToString();
            return $"{minutes}-";
        }
        else if (early != TimeSpan.Zero)
        {
            var minutes = early.TotalMinutes > 999 ? "999" : early.TotalMinutes.ToString();
            return $"{minutes}+";
        }
        else
        {
            return $"";
        }
    }


}