using System;
using Aspose.Html;
using Aspose.Html.Rendering;
using Aspose.Html.Rendering.Pdf;

namespace Task1047
{
    class Program
    {
        private static HTMLDocument _document;

        private static void Main()
        {           
            _document = new HTMLDocument();
            GenerateSampleHtml5Document();
            RenderEncryptedPdf();
        }

        private static void RenderEncryptedPdf()
        {

            var options = new PdfRenderingOptions
            {
                JpegQuality = 10
            };
            Console.WriteLine(options.PageSetup.AnyPage.Margin.Top.IsAuto);
            Console.WriteLine(options.PageSetup.AnyPage.Margin.Bottom.IsAuto);
            Console.WriteLine(options.PageSetup.AnyPage.Margin.Left.IsAuto);
            Console.WriteLine(options.PageSetup.AnyPage.Margin.Right.IsAuto);
            Console.WriteLine(options.PageSetup.AnyPage.Size.Width);
            Console.WriteLine(options.PageSetup.AnyPage.Size.Height);
            const string outputfile = @"C:\aspose\pdf\output06.pdf";
            Console.WriteLine("Render PDF file started...");
            var device = new PdfDevice(options, outputfile);
            var renderer = new HtmlRenderer();
            renderer.Render(device, _document);
            Console.WriteLine("Render PDF file finished.");
        }

        private static void GenerateSampleHtml5Document()
        {
            _document.InsertBefore(_document.CreateDocumentType("html", "", "", ""), _document.DocumentElement);
            _document.DocumentElement.SetAttribute("lang", "en");
            _document.Title = "Page for PDF rendering demo";

            var head = _document.GetElementsByTagName("head")[0];
            var metaCharSet = (HTMLMetaElement) _document.CreateElement("meta");
            metaCharSet.SetAttribute("charset", "UTF-8");

            var metaViewPort = (HTMLMetaElement) _document.CreateElement("meta");
            metaViewPort.Name = "viewport";
            metaViewPort.Content = "width=device-width, initial-scale=1";

            var linkElement1 = (HTMLLinkElement) _document.CreateElement("link");
            linkElement1.Href = "http://cdn.myunv.com/css/uecore.css";
            linkElement1.Rel = "stylesheet";

            var linkElement2 = (HTMLLinkElement) _document.CreateElement("link");
            linkElement2.Href = "https://fonts.googleapis.com/css?family=Lato";
            linkElement2.Rel = "stylesheet";

            var style = (HTMLStyleElement) _document.CreateElement("style");
            //style.TextContent = "h1 {color: red;} h2 {color:green} table { border: 1px dashed black}" +
            //    "h2 {page-break-after: always; } p {font-family: 'Germania One', cursive;}" + "@page { size: 7in 9.25in; margin: 27mm 16mm 27mm 16mm; }";
            style.TextContent = "h1 {color: red;} " +
                                "h2 {color:green} " +
                                "table { border: 1px dashed black}" +
                                "p {font-family: 'Lato', sans-serif;}" +
                                "#coverPage {page-break-after: always; display: table}";

            head.AppendChild(metaCharSet);
            head.AppendChild(metaViewPort);
            head.AppendChild(linkElement1);
            head.AppendChild(linkElement2);
            head.AppendChild(style);

            const string coverPageHtmlContent = "<div id=\"coverPage\"style=\"height: 15cm; overflow: hidden;\">\r\n" +
                                                "<div style=\"display: table-cell; vertical-align: middle;\">\r\n" +
                                                "<div>\r\n" +
                                                "<h1>Cover Page<h1>\r\n" +
                                                "</div>\r\n" +
                                                "</div>\r\n" +
                                                "</div>";

            var coverPageElement = _document.CreateElement("div");
            coverPageElement.InnerHTML = coverPageHtmlContent;

            var header1 = (HTMLHeadingElement) _document.CreateElement("h1");
            header1.TextContent = "Heading 1";
            var header2 = (HTMLHeadingElement) _document.CreateElement("h2");
            header2.TextContent = "Heading 2";

            //_document.DocumentElement.LastElementChild.AppendChild(coverPageElement);
            _document.DocumentElement.LastElementChild.AppendChild(header1);
            _document.DocumentElement.LastElementChild.AppendChild(header2);

            var categories = new[] {"dog", "cat", "bird", "cow"};
            for (var i = 0; i < 10; i++)
            {
                var img = (HTMLImageElement) _document.CreateElement("img");
                img.Src = $"http://loremflickr.com/400/200/{categories[i%4]}";
                img.Alt = "Placeholder 400x200";
                img.Title = "Placeholder image";
                _document.DocumentElement.LastElementChild.AppendChild(img);
            }
        }
    }
}