/*
 * Example_01.cs
 *
 * Copyright (c) 2026 PDFjet Software
 * Licensed under the MIT License. See LICENSE file in the project root.
 */
using System;
using System.IO;
using System.Diagnostics;
using System.Collections.Generic;
using PDFjet.NET;

public class Example_01 {
    // Constructor to generate the PDF document
    public Example_01() {
        // Create a file stream to save the PDF
        FileStream fs = new FileStream("Example_01.pdf", FileMode.Create);

        // Initialize PDF object with the file stream
        PDF pdf = new PDF(new BufferedStream(fs));
        pdf.SetCompliance(Compliance.PDF_UA_1);
        // pdf.SetCompliance(Compliance.PDF_A_1A);
        // pdf.SetCompliance(Compliance.PDF_A_1B);
        // pdf.SetCompliance(Compliance.PDF_A_2A);
        // pdf.SetCompliance(Compliance.PDF_A_2B);
        // pdf.SetCompliance(Compliance.PDF_A_3A);
        // pdf.SetCompliance(Compliance.PDF_A_3B);
        pdf.SetTitle("Document containing English, Greek and Bulgarian text blocks.");

        // Load font for the PDF (IBMPlexSans Regular)
        Font font = new Font(pdf, IBMPlexSans.Regular);
        font.SetSize(12f);

        // Create a new page with Portrait orientation
        Page page = new Page(pdf, Letter.PORTRAIT);

        Dictionary<string, int> map = new Dictionary<string, int>();
        map["Everyone"] = Color.darkred;
        map["Pay"] = Color.darkgreen;
        map["Freedom"] = Color.blue;

        // The heading of the document, above the text blocks
        new TextLine(font, "English, Greek and Bulgarian Text")
                .SetStructureType(StructElem.H1)
                .SetFontSize(18f)
                .SetLocation(50f, 36f)
                .DrawOn(page);

        // Add English text from a file
        TextBlock textBlock = new TextBlock(font,
                Content.OfTextFile("data/languages/english.txt"));
        textBlock.SetLocation(50f, 50f);
        textBlock.SetWidth(473f);   // Why 473f? To match the Google Fonts samples.
        textBlock.SetPadding(10f);
        textBlock.SetBorderColor(Color.blue);
        textBlock.SetHighlightColors(map);
        float[] xy = textBlock.DrawOn(page);  // Draw the text and get coordinates

        // Draw a small blue rectangle for testing ...
        Rect rect = new Rect(xy[0], xy[1], 30f, 30f);
        rect.SetBorderColor(Color.blue);
        rect.DrawOn(page);

        // Add Greek text from a file
        textBlock = new TextBlock(font,
                Content.OfTextFile("data/languages/greek.txt"));
        textBlock.SetLanguage("el");    // So that a screen reader reads it in Greek
        textBlock.SetLocation(50f, xy[1] + 30f);
        textBlock.SetWidth(473f);
        textBlock.SetPadding(10f);
        xy = textBlock.DrawOn(page);  // Draw the Greek text and update coordinates

        // Add Bulgarian text from a file with a blue border and rounded corners
        textBlock = new TextBlock(font, Content.OfTextFile("data/languages/bulgarian.txt"));
        textBlock.SetLanguage("bg");    // So that a screen reader reads it in Bulgarian
        textBlock.SetLocation(50f, xy[1] + 30f);
        textBlock.SetWidth(473f);
        textBlock.SetPadding(10f);
        textBlock.SetBorderColor(Color.blue);
        textBlock.SetCornerRadius(10f);
        textBlock.SetUnderline(true);
        textBlock.DrawOn(page);  // Draw the Bulgarian text

        // Complete the PDF document creation
        pdf.Complete();
    }

    // Main method to run the example and measure execution time
    public static void Main(String[] args) {
        // Start a stopwatch to measure the execution time
        Stopwatch sw = Stopwatch.StartNew();
        long time0 = sw.ElapsedMilliseconds;

        // Create an instance of Example_01 to generate the PDF
        new Example_01();

        // Stop the stopwatch and get the elapsed time
        long time1 = sw.ElapsedMilliseconds;
        sw.Stop();

        // Print the execution duration
        Console.WriteLine($"Example_01 => {time1 - time0,4} ms");
    }
}