//
// This code is part of Document Solutions for PDF demos.
// Copyright (c) MESCIUS inc. All rights reserved.
//
using System;
using System.IO;
using System.Linq;
using System.Text;
using GrapeCity.Documents.Pdf;
using GrapeCity.Documents.Text;
using GrapeCity.Documents.Drawing;

namespace DsPdfWeb.Demos.Basics
{
    // Shows how to attach files to a PDF document.
    // In this sample we attach a few photos and two PDFs, including an AcroForm.
    // See also the FileAttachments sample that demonstrates file attachment annotations,
    // which are files associated with a specific location on a page.
    public class DocAttachments
    {
        public int CreatePDF(Stream stream)
        {
            var doc = new GcPdfDocument();
            var page = doc.NewPage();
            var files = new (string, string)[]
            {
                ( "Images", "tudor.jpg" ),
                ( "Images", "sea.jpg" ),
                ( "Images", "puffins.jpg" ),
                ( "Images", "lavender.jpg" ),
                ( "Images", "skye.jpg" ),
                ( "Images", "fiord.jpg" ),
                ( "Images", "newfoundland.jpg" ),
                ( "PDFs", "HelloWorld.pdf" ),
                ( "PDFs", "FormFields.pdf" )
            };
            var sb = new StringBuilder();
            foreach (var f in files)
                sb.AppendLine(f.Item2);
            Common.Util.AddNote(
                "Several images and PDFs are attached to this document:\n\n" +
                sb.ToString(), page);
            foreach (var f in files)
            {
                var file = Path.Combine("Resources", f.Item1, f.Item2);
                var fspec = FileSpecification.FromEmbeddedFile(EmbeddedFileStream.FromFile(doc, file));
                doc.EmbeddedFiles.Add(file, fspec);
            }
            // Done:
            doc.Save(stream);
            return doc.Pages.Count;
        }
    }
}