using FormLibrary.HelperClasses;
using MigraDoc.DocumentObjectModel.Tables;
using MigraDoc.DocumentObjectModel;
using MigraDoc.Rendering;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace FormLibrary
{
    public partial class PDFTableCustom : Component
    {
        public PDFTableCustom()
        {
            InitializeComponent();
            System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance);
        }

        public PDFTableCustom(IContainer container)
        {
            container.Add(this);

            InitializeComponent();
        }
        public void GeneratePDFWithHead<T>(PDFTableSettings<T> settings)
        {
            if (settings == null ||
                string.IsNullOrEmpty(settings.FilePath) ||
                string.IsNullOrEmpty(settings.DocumentTitle) ||
                settings.HeaderTitles == null || settings.HeaderTitles.Count == 0 ||
                settings.ColumnWidths == null || settings.DataList == null ||
                settings.ColumnPropertyMappings == null)
                throw new ArgumentException("Заполнены не все необходимые данные для генерации документа.");

            if (settings.HeaderTitles.Count != settings.ColumnWidths.Count)
                throw new ArgumentException("Количество заголовков должно совпадать с количеством ширин столбцов.");


            Document document = new Document();
            Section section = document.AddSection();
            section.AddParagraph(settings.DocumentTitle, "Heading1");

            Table table = new Table();
            table.Borders.Width = 0.75;

            // столбцы
            for (int i = 0; i < settings.ColumnWidths.Count; i++)
            {
                Column column = table.AddColumn(Unit.FromCentimeter(settings.ColumnWidths[i]));
                column.Format.Alignment = ParagraphAlignment.Center;
            }

            // заголовки
            Row headerRow = table.AddRow();
            headerRow.Height = Unit.FromCentimeter(settings.HeaderRowHeight);
            for (int i = 0; i < settings.HeaderTitles.Count; i++)
            {
                headerRow.Cells[i].AddParagraph(settings.HeaderTitles[i]);
                headerRow.Cells[i].Format.Font.Bold = true;
                headerRow.Cells[i].Format.Alignment = ParagraphAlignment.Center;
            }

            // данные
            foreach (var dataItem in settings.DataList)
            {
                Row row = table.AddRow();
                row.Height = Unit.FromCentimeter(settings.DataRowHeight);

                foreach (var columnMapping in settings.ColumnPropertyMappings)
                {
                    PropertyInfo propertyInfo = typeof(T).GetProperty(columnMapping.Value);
                    if (propertyInfo == null)
                        throw new ArgumentException($"Свойство {columnMapping.Value} не найдено в классе {typeof(T).Name}.");

                    object value = propertyInfo.GetValue(dataItem);
                    row.Cells[columnMapping.Key].AddParagraph(value != null ? value.ToString() : "");
                }
            }

            section.Add(table);

            PdfDocumentRenderer renderer = new PdfDocumentRenderer(true) { Document = document };
            renderer.RenderDocument();
            renderer.Save(settings.FilePath);
        }
    }
}