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;
using Components.SaveToPdfHelpers;

namespace Components.NonVisual
{
	public partial class HeaderedTablePDF : Component
	{
		public HeaderedTablePDF()
		{
			InitializeComponent();
			System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance);
		}

		public HeaderedTablePDF(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.Columns == null || settings.Columns.Count == 0 ||
				settings.DataList == null)
				throw new ArgumentException("Заполнены не все необходимые данные для генерации документа.");

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

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

			// столбцы
			foreach (var (_, width, _, _) in settings.Columns)
			{
				Column column = table.AddColumn(Unit.FromCentimeter(width));
				column.Format.Alignment = ParagraphAlignment.Center;
			}

			// заголовки
			Row headerRow = table.AddRow();
			headerRow.Height = Unit.FromCentimeter(settings.HeaderRowHeight);

			for (int columnIndex = 0; columnIndex < settings.Columns.Count; columnIndex++)
			{
				var (headerTitle, _, _, _) = settings.Columns[columnIndex];
				headerRow.Cells[columnIndex].AddParagraph(headerTitle);
				headerRow.Cells[columnIndex].Format.Font.Bold = true;
				headerRow.Cells[columnIndex].Format.Alignment = ParagraphAlignment.Center;
			}

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

				for (int columnIndex = 0; columnIndex < settings.Columns.Count; columnIndex++)
				{
					var (_, _, propertyName, _) = settings.Columns[columnIndex];

					PropertyInfo propertyInfo = typeof(T).GetProperty(propertyName);
					if (propertyInfo == null)
						throw new ArgumentException($"Свойство {propertyName} не найдено в классе {typeof(T).Name}.");

					object value = propertyInfo.GetValue(dataItem);
					if (columnIndex == 0)
					{
						row.Cells[columnIndex].Format.Font.Bold = true;
					}
					row.Cells[columnIndex].AddParagraph(value != null ? value.ToString() : "");
				}
			}

			section.Add(table);

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