using DocumentFormat.OpenXml;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Wordprocessing;
using GiftShopBusinessLogic.OfficePackage.HelperEnums;
using GiftShopBusinessLogic.OfficePackage.HelperModels;

namespace GiftShopBusinessLogic.OfficePackage.Implements
{
    public class SaveToWord : AbstractSaveToWord
    {
        private WordprocessingDocument? _wordDocument;

        private Body? _docBody;
        /// Получение типа выравнивания
        private static JustificationValues GetJustificationValues(WordJustificationType type)
        {
            return type switch
            {
                WordJustificationType.Both => JustificationValues.Both,
                WordJustificationType.Center => JustificationValues.Center,
                _ => JustificationValues.Left,
            };
        }
        /// Настройки страницы
        private static SectionProperties CreateSectionProperties()
        {
            var properties = new SectionProperties();
            var pageSize = new PageSize
            {
                Orient = PageOrientationValues.Portrait
            };
            properties.AppendChild(pageSize);
            return properties;
        }
        /// Задание форматирования для абзаца
        private static ParagraphProperties? CreateParagraphProperties(WordTextProperties? paragraphProperties)
        {
            if (paragraphProperties == null)
            {
                return null;
            }

            var properties = new ParagraphProperties();

            properties.AppendChild(new Justification()
            {
                Val = GetJustificationValues(paragraphProperties.JustificationType)
            });

            properties.AppendChild(new SpacingBetweenLines
            {
                LineRule = LineSpacingRuleValues.Auto
            });

            properties.AppendChild(new Indentation());

            var paragraphMarkRunProperties = new ParagraphMarkRunProperties();

            if (!string.IsNullOrEmpty(paragraphProperties.Size))
            {
                paragraphMarkRunProperties.AppendChild(new FontSize
                {
                    Val = paragraphProperties.Size
                });
            }
            properties.AppendChild(paragraphMarkRunProperties);
            return properties;
        }

        protected override void CreateWord(WordInfo info)
        {
            _wordDocument = WordprocessingDocument.Create(info.FileName, WordprocessingDocumentType.Document);
            MainDocumentPart mainPart = _wordDocument.AddMainDocumentPart();
            mainPart.Document = new Document();
            _docBody = mainPart.Document.AppendChild(new Body());
        }

        protected override void CreateParagraph(WordParagraph paragraph)
        {
            if (_docBody == null || paragraph == null)
            {
                return;
            }
            var docParagraph = new Paragraph();

            docParagraph.AppendChild(CreateParagraphProperties(paragraph.TextProperties));

            foreach (var run in paragraph.Texts)
            {
                var docRun = new Run();
                var properties = new RunProperties();
                properties.AppendChild(new FontSize { Val = run.Item2.Size });
                if (run.Item2.Bold)
                {
                    properties.AppendChild(new Bold());
                }
                docRun.AppendChild(properties);
                docRun.AppendChild(new Text
                {
                    Text = run.Item1,
                    Space = SpaceProcessingModeValues.Preserve
                });
                docParagraph.AppendChild(docRun);
            }
            _docBody.AppendChild(docParagraph);
        }

        protected override void SaveWord(WordInfo info)
        {
            if (_docBody == null || _wordDocument == null)
            {
                return;
            }
            _docBody.AppendChild(CreateSectionProperties());
            _wordDocument.MainDocumentPart!.Document.Save();
            _wordDocument.Dispose();
        }
		//
		protected override void CreateTable(WordTable table)
		{
			if (_docBody == null || table == null)
			{
				return;
			}
			Table docTable = new Table();
			TableProperties tableProps = new TableProperties(
				new TopBorder
				{
					Val = new EnumValue<BorderValues>(BorderValues.Single),
					Size = 12
				},
				   new BottomBorder
				   {
					   Val = new EnumValue<BorderValues>(BorderValues.Single),
					   Size = 12
				   },
				   new LeftBorder
				   {
					   Val = new EnumValue<BorderValues>(BorderValues.Single),
					   Size = 12
				   },
				   new RightBorder
				   {
					   Val = new EnumValue<BorderValues>(BorderValues.Single),
					   Size = 12
				   },
				   new InsideHorizontalBorder
				   {
					   Val = new EnumValue<BorderValues>(BorderValues.Single),
					   Size = 12
				   },
				   new InsideVerticalBorder
				   {
					   Val = new EnumValue<BorderValues>(BorderValues.Single),
					   Size = 12
				   });
			docTable.AppendChild<TableProperties>(tableProps);
			TableGrid tableGrid = new TableGrid();
			for (int i = 0; i < table.Columns; i++)
			{
				tableGrid.AppendChild(new GridColumn());
			}
			docTable.AppendChild(tableGrid);
			TableRow tableRow = new TableRow();
			foreach (var text in table.Headers)
			{
				tableRow.AppendChild(CreateTableCell(text));
			}
			docTable.AppendChild(tableRow);
			int height = table.RowText.Count;
			int width = table.Columns;
			for (int i = 0; i < height; i++)
			{
				tableRow = new TableRow();
				for (int j = 0; j < width; j++)
				{
					var element = table.RowText[i][j];
					tableRow.AppendChild(CreateTableCell(element));
				}
				docTable.AppendChild(tableRow);
			}

			_docBody.AppendChild(docTable);
		}

		private TableCell CreateTableCell(string element)
		{
			var tableParagraph = new Paragraph();
			var run = new Run();
			run.AppendChild(new Text { Text = element });
			tableParagraph.AppendChild(run);
			var tableCell = new TableCell();
			tableCell.AppendChild(tableParagraph);
			return tableCell;
		}
	}
}