// <copyright file="CustomPdfSplitter.cs" company="Smart Energia">
// Copyright (c) Smart Energia. All rights reserved.
// </copyright>

namespace Faturas
{
    using iText.Kernel.Pdf;
    using iText.Kernel.Utils;

    /// <summary>
    /// Custom PDF splitter that allows specifying a function to create the next PDF writer.
    /// </summary>
    /// <remarks>
    /// Initializes a new instance of the <see cref="CustomPdfSplitter"/> class.
    /// </remarks>
    /// <param name="pdfDocument">The PDF document to split.</param>
    /// <param name="nextWriter">A function that returns the next PdfWriter given a PageRange.</param>
    public class CustomPdfSplitter(PdfDocument pdfDocument, Func<PageRange, PdfWriter> nextWriter) : PdfSplitter(pdfDocument)
    {
        /// <summary>
        /// Gets the next PDF writer for the specified page range.
        /// </summary>
        /// <param name="documentPageRange">The page range for which to get the next PDF writer.</param>
        /// <returns>The next PDF writer.</returns>
        protected override PdfWriter GetNextPdfWriter(PageRange documentPageRange)
        {
            return nextWriter.Invoke(documentPageRange);
        }
    }
}