using iText.Kernel.Colors;
using iText.Kernel.Font;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Properties;
using MTWorkHR.Core.Entities;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using DevExpress.CodeParser;
using iText.Kernel.Events;
using Event = iText.Kernel.Events.Event;
using MTWorkHR.Core.Global;
using MTWorkHR.Infrastructure.Entities;
using Microsoft.Extensions.Options;
namespace MTWorkHR.Infrastructure.Reports
{
public class ContractPdfGenerator
{
public async Task<byte[]> GenerateContractPdf(string outputPath, ContractDetail contractData)
{
try {
// Use MemoryStream to generate the PDF in memory
using (MemoryStream memoryStream = new MemoryStream())
{
using (PdfWriter writer = new PdfWriter(memoryStream))
using (PdfDocument pdf = new PdfDocument(writer))
using (Document document = new Document(pdf))
{
PdfFont boldFont = PdfFontFactory.CreateFont(iText.IO.Font.Constants.StandardFonts.HELVETICA_BOLD);
PdfFont regularFont = PdfFontFactory.CreateFont(iText.IO.Font.Constants.StandardFonts.HELVETICA);
// Timestamp and Title
document.Add(new Paragraph($"{DateTime.Now:dd/MM/yyyy HH:mm:ss} .")
.SetFont(regularFont)
.SetFontSize(10));
document.Add(new Paragraph("Employee Contract")
.SetFont(boldFont)
.SetFontSize(20)
.SetMarginBottom(20)
.SetTextAlignment(TextAlignment.CENTER));
// Header
// document.Add(new Paragraph("Contract Agreement")
// .SetFont(boldFont)
// .SetFontSize(20)
// .SetTextAlignment(TextAlignment.CENTER));
// Company Information
document.Add(new Paragraph("Company Information:")
.SetFont(boldFont)
.SetFontSize(12));
Table companyTable = new Table(new float[] { 1, 3, 1, 1 }).UseAllAvailableWidth();
companyTable.AddCell(CreateCell("Name:", boldFont));
companyTable.AddCell(CreateCell(contractData.CompanyName, regularFont));
companyTable.AddCell(CreateCell("CR:", boldFont));
companyTable.AddCell(CreateCell(contractData.CompanyCR, regularFont));
companyTable.AddCell(CreateCell("Email:", boldFont));
companyTable.AddCell(CreateCell(contractData.CompanyEmail, regularFont));
companyTable.AddCell(CreateCell("Phone:", boldFont));
companyTable.AddCell(CreateCell(contractData.CompanyPhone, regularFont));
companyTable.AddCell(CreateCell("Address:", boldFont));
companyTable.AddCell(CreateCell(contractData.CompanyAddress, regularFont, 3));
document.Add(companyTable);
// Company Representative
document.Add(new Paragraph("Company Representative:")
.SetFont(boldFont)
.SetFontSize(12)
.SetMarginTop(10));
//Representative Table
Table repTable = new Table(new float[] { 1, 3 }).UseAllAvailableWidth();
// Row 1: Name
repTable.AddCell(CreateCell("Name:", boldFont));
repTable.AddCell(CreateCell(contractData.CompanyRepresentativeName, regularFont));
// Row 2: Passport
repTable.AddCell(CreateCell("Passport:", boldFont));
repTable.AddCell(CreateCell(contractData.CompanyRepresentativePassport, regularFont));
// Row 3: Phone
repTable.AddCell(CreateCell("Phone:", boldFont));
repTable.AddCell(CreateCell(contractData.CompanyRepresentativePhone, regularFont));
// Row 4: Email
repTable.AddCell(CreateCell("Email:", boldFont));
repTable.AddCell(CreateCell(contractData.CompanyRepresentativeEmail, regularFont));
// Row 5: Position
repTable.AddCell(CreateCell("Position:", boldFont));
repTable.AddCell(CreateCell(contractData.CompanyRepresentativePosition, regularFont));
document.Add(repTable);
//Employee Information
document.Add(new Paragraph("Employee Information:")
.SetFont(boldFont)
.SetFontSize(12)
.SetMarginTop(10));
document.Add(new Paragraph($"Name: \t {contractData.EmployeeName}")
.SetFont(regularFont));
document.Add(new Paragraph($"Passport: \t {contractData.EmployeePassport}")
.SetFont(regularFont));
document.Add(new Paragraph($"Date Of Birth: \t {contractData.EmployeeDateOfBirth:dd/MM/yyyy}")
.SetFont(regularFont));
document.Add(new Paragraph($"Phone: \t {contractData.EmployeePhone}")
.SetFont(regularFont));
document.Add(new Paragraph($"University: \t {contractData.EmployeeUniversity}")
.SetFont(regularFont));
document.Add(new Paragraph($"Work Country: \t {contractData.WorkCountry}")
.SetFont(regularFont));
document.Add(new Paragraph($"Job: \t {contractData.JobTitleName}")
.SetFont(regularFont));
document.Add(new Paragraph($"Job Number: \t {contractData.JobNumber}")
.SetFont(regularFont));
document.Add(new Paragraph($"Job Description: \t {contractData.JobDescription}")
.SetFont(regularFont));
//Contract Details
document.Add(new Paragraph("Contract")
.SetFont(boldFont)
.SetFontSize(12)
.SetMarginTop(10));
Table contractTable = new Table(new float[] { 1, 3, 1, 3 }).UseAllAvailableWidth();
contractTable.AddCell(CreateCell("Start Date:", boldFont));
contractTable.AddCell(CreateCell($"{contractData.StartDate:dd/MM/yyyy}", regularFont));
contractTable.AddCell(CreateCell("End Date:", boldFont));
contractTable.AddCell(CreateCell($"{contractData.EndDate:dd/MM/yyyy}", regularFont));
contractTable.AddCell(CreateCell("Duration:", boldFont));
contractTable.AddCell(CreateCell($"{contractData.ContractDuration}", regularFont));
contractTable.AddCell(CreateCell("Contract Type:", boldFont));
contractTable.AddCell(CreateCell((ContractTypeEnum)contractData.ContractTypeId + "", regularFont));
contractTable.AddCell(CreateCell("Vacation Days:", boldFont));
contractTable.AddCell(CreateCell($"{contractData.VacationDays}", regularFont));
contractTable.AddCell(CreateCell("Trial Period:", boldFont));
contractTable.AddCell(CreateCell($"{contractData.TrialPeriod}", regularFont));
contractTable.AddCell(CreateCell("Termination Notice Period:", boldFont));
contractTable.AddCell(CreateCell($"{contractData.NoticePeriodBeforeTermination}", regularFont));
document.Add(contractTable);
// Work Time
document.Add(new Paragraph("Work Time")
.SetFont(boldFont)
.SetFontSize(12)
.SetMarginTop(10));
document.Add(new Paragraph($"Working Days: \t {contractData.WorkingDays}")
.SetFont(regularFont));
document.Add(new Paragraph($"Working Hours: \t {contractData.WorkingHours}")
.SetFont(regularFont));
// Salary
document.Add(new Paragraph("Salary")
.SetFont(boldFont)
.SetFontSize(12)
.SetMarginTop(10));
document.Add(new Paragraph($"Amount: \t {contractData.Salary:F2} {contractData.Currency}")
.SetFont(regularFont));
if (contractData.FixedAllowances != null && contractData.FixedAllowances.Count > 0)
{
// Allowances
document.Add(new Paragraph("Allowances")
.SetFont(boldFont)
.SetFontSize(12)
.SetMarginTop(10));
Table allowanceTable = new Table(new float[] { 2, 1, 2, 1 }).UseAllAvailableWidth();
allowanceTable.AddHeaderCell(CreateCell("Type", boldFont));
allowanceTable.AddHeaderCell(CreateCell("Rate", boldFont));
allowanceTable.AddHeaderCell(CreateCell("Amount", boldFont));
allowanceTable.AddHeaderCell(CreateCell("Frequency", boldFont));
foreach (var allowance in contractData.FixedAllowances)
{
allowanceTable.AddCell(CreateCell(allowance.AllowanceType + "", regularFont));
allowanceTable.AddCell(CreateCell($"{allowance.PaymentType:F2}", regularFont));
allowanceTable.AddCell(CreateCell($"{allowance.EntitlementAmount:F2}", regularFont));
allowanceTable.AddCell(CreateCell($"{allowance.EntitlementPercent}", regularFont));
}
document.Add(allowanceTable);
}
//ProjectStages
if (contractData.ProjectStages != null && contractData.ProjectStages.Count >0)
{
// Allowances
document.Add(new Paragraph("Project Stages")
.SetFont(boldFont)
.SetFontSize(12)
.SetMarginTop(10));
Table ProjectStagesTable = new Table(new float[] { 1, 3 }).UseAllAvailableWidth();
ProjectStagesTable.AddHeaderCell(CreateCell("Title", boldFont));
ProjectStagesTable.AddHeaderCell(CreateCell("Scope of work", boldFont));
foreach (var allowance in contractData.ProjectStages)
{
ProjectStagesTable.AddCell(CreateCell(allowance.Title + "", regularFont));
ProjectStagesTable.AddCell(CreateCell($"{allowance.ScopeOfWork:F2}", regularFont));
}
document.Add(ProjectStagesTable);
}
//ContractTasks
if (contractData.ContractTasks != null && contractData.ContractTasks.Count > 0)
{
// Allowances
document.Add(new Paragraph("Contract Tasks")
.SetFont(boldFont)
.SetFontSize(12)
.SetMarginTop(10));
Table ContractTasksTable = new Table(new float[] { 1, 3, 1, 3 }).UseAllAvailableWidth();
ContractTasksTable.AddHeaderCell(CreateCell("Title", boldFont));
ContractTasksTable.AddHeaderCell(CreateCell("Scope of work", boldFont));
ContractTasksTable.AddHeaderCell(CreateCell("StartDate", boldFont));
ContractTasksTable.AddHeaderCell(CreateCell("Amount", boldFont));
foreach (var allowance in contractData.ContractTasks)
{
ContractTasksTable.AddCell(CreateCell(allowance.Title + "", regularFont));
ContractTasksTable.AddCell(CreateCell($"{allowance.ScopeOfWork:F2}", regularFont));
ContractTasksTable.AddCell(CreateCell($"{allowance.StartDate:dd/MM/yyyy}", regularFont));
ContractTasksTable.AddCell(CreateCell($"{allowance.Amount:F2}", regularFont));
}
document.Add(ContractTasksTable);
}
// Page Numbers
pdf.AddEventHandler(PdfDocumentEvent.END_PAGE, new PageNumberEventHandler(document));
}
byte[] pdfBytes = memoryStream.ToArray();
// If you still want to save to file, you can do it here
//if (!string.IsNullOrEmpty(outputPath))
//{
// await File.WriteAllBytesAsync(outputPath, pdfBytes);
//}
return pdfBytes;
//return UploadToAzureBlob(pdfBytes, blobName);
}
}
catch (Exception e)
{
throw e;
}
}
public byte[] GeneratePdf()
{
//_logger.LogInformation("Generating PDF...");
try
{
using (var stream = new MemoryStream())
{
PdfWriter writer = new PdfWriter(stream);
PdfDocument pdf = new PdfDocument(writer);
Document document = new Document(pdf);
document.Add(new Paragraph("Hello, Azure App Service!"));
document.Close();
// _logger.LogInformation("PDF generated successfully.");
return stream.ToArray();
}
}
catch (Exception ex)
{
// _logger.LogError(ex, "Failed to generate PDF.");
throw;
}
}
//private string UploadToAzureBlob(byte[] pdfBytes, string blobName)
//{
// // Create a BlobServiceClient
// BlobServiceClient blobServiceClient = new BlobServiceClient(_storageSettings.ConnectionString);
// // Get a reference to the container
// BlobContainerClient containerClient = blobServiceClient.GetBlobContainerClient(_storageSettings.ContainerName);
// // Create the container if it doesn’t exist
// containerClient.CreateIfNotExists();
// // Get a reference to the blob
// BlobClient blobClient = containerClient.GetBlobClient(blobName);
// // Upload the PDF bytes
// using (MemoryStream uploadStream = new MemoryStream(pdfBytes))
// {
// blobClient.Upload(uploadStream, overwrite: true);
// }
// // Return the Blob URL
// return blobClient.Uri.ToString();
//}
private Cell CreateCell(string text, PdfFont font, int colspan = 1)
{
return new Cell(1, colspan).Add(new Paragraph(text).SetFont(font).SetFontSize(10));
}
private class PageNumberEventHandler : IEventHandler
{
private readonly Document _document;
public PageNumberEventHandler(Document document)
{
_document = document;
}
public void HandleEvent(Event @event)
{
PdfDocumentEvent docEvent = (PdfDocumentEvent)@event;
PdfDocument pdf = docEvent.GetDocument();
PdfPage page = docEvent.GetPage();
int pageNumber = pdf.GetPageNumber(page);
PdfFont font = PdfFontFactory.CreateFont(iText.IO.Font.Constants.StandardFonts.HELVETICA);
_document.ShowTextAligned(
new Paragraph($"Page {pageNumber}").SetFont(font).SetFontSize(10),
550, 20, pageNumber, TextAlignment.RIGHT, VerticalAlignment.BOTTOM, 0);
}
}
}
}
//public class ContractPdfGenerator
// {
//public void GenerateContractPdf(string outputPath, Contract contractData)
//{
// using (PdfWriter writer = new PdfWriter(outputPath))
// using (PdfDocument pdf = new PdfDocument(writer))
// using (Document document = new Document(pdf))
// {
// PdfFont boldFont = PdfFontFactory.CreateFont(iText.IO.Font.Constants.StandardFonts.HELVETICA_BOLD);
// PdfFont regularFont = PdfFontFactory.CreateFont(iText.IO.Font.Constants.StandardFonts.HELVETICA);
// // Header
// document.Add(new Paragraph("Contract Agreement")
// .SetFont(boldFont)
// .SetFontSize(20)
// .SetTextAlignment(TextAlignment.CENTER));
// // Parties
// document.Add(new Paragraph($"\nThis contract is made on {DateTime.Now:MMMM dd, yyyy}, between:")
// .SetFont(regularFont));
// document.Add(new Paragraph()
// .Add(new Text("Party A: ").SetFont(boldFont))
// .Add(new Text($"{contractData.CompanyId}\n").SetFont(regularFont))
// .Add(new Text("Party B: ").SetFont(boldFont))
// .Add(new Text($"{contractData.JobTitleName}").SetFont(regularFont)));
// // Terms Table
// Table table = new Table(UnitValue.CreatePercentArray(new float[] { 1, 3 })).UseAllAvailableWidth();
// table.AddHeaderCell(new Cell().Add(new Paragraph("Clause").SetFont(boldFont)).SetBackgroundColor(ColorConstants.LIGHT_GRAY));
// table.AddHeaderCell(new Cell().Add(new Paragraph("Description").SetFont(boldFont)).SetBackgroundColor(ColorConstants.LIGHT_GRAY));
// foreach (var term in contractData.ProjectStages)
// {
// table.AddCell(new Cell().Add(new Paragraph(term.Title).SetFont(regularFont)));
// table.AddCell(new Cell().Add(new Paragraph(term.ScopeOfWork).SetFont(regularFont)));
// }
// document.Add(table);
// // Signatures
// document.Add(new Paragraph("\nSignatures:").SetFont(boldFont).SetFontSize(14));
// document.Add(new Paragraph("___________________________\nParty A Representative").SetFont(regularFont));
// document.Add(new Paragraph("___________________________\nParty B Representative").SetFont(regularFont));
// // Page numbers (via event handler if needed)
// pdf.AddEventHandler(PdfDocumentEvent.END_PAGE, new PageNumberEventHandler(document));
// }
//}
//private class PageNumberEventHandler : IEventHandler
//{
// private readonly Document _document;
// public PageNumberEventHandler(Document document) => _document = document;
// public void HandleEvent(iText.Kernel.Events.Event @event)
// {
// PdfDocumentEvent docEvent = (PdfDocumentEvent)@event;
// PdfDocument pdf = docEvent.GetDocument();
// PdfPage page = docEvent.GetPage();
// int pageNumber = pdf.GetPageNumber(page);
// PdfFont font = PdfFontFactory.CreateFont(iText.IO.Font.Constants.StandardFonts.HELVETICA);
// _document.ShowTextAligned(
// new Paragraph($"Page {pageNumber}").SetFont(font).SetFontSize(10),
// 550, 20, pageNumber, TextAlignment.RIGHT, VerticalAlignment.BOTTOM, 0);
// }
//}
// }
//}