using SecuritySystemBusinessLogic.OfficePackage.HelperEnums;
using SecuritySystemBusinessLogic.OfficePackage.HelperModels;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Wordprocessing;
using DocumentFormat.OpenXml;
using Text = DocumentFormat.OpenXml.Wordprocessing.Text;

namespace SecuritySystemBusinessLogic.OfficePackage.Implements
{
    public class SaveToWord : AbstractSaveToWord
    {
        private WordprocessingDocument? _wordDocument;
        private Body? _docBody;
        /// <summary>
        /// Получение типа выравнивания
        /// </summary>
        /// <param name="type"></param>
        /// <returns></returns>
        private static JustificationValues
       GetJustificationValues(WordJustificationType type)
        {
            return type switch
            {
                WordJustificationType.Both => JustificationValues.Both,
                WordJustificationType.Center => JustificationValues.Center,
                _ => JustificationValues.Left,
            };
        }
        /// <summary>
        /// Настройки страницы
        /// </summary>
        /// <returns></returns>
        private static SectionProperties CreateSectionProperties()
        {
            var properties = new SectionProperties();
            var pageSize = new PageSize
            {
                Orient = PageOrientationValues.Portrait
            };
            properties.AppendChild(pageSize);
            return properties;
        }
        /// <summary>
        /// Задание форматирования для абзаца
        /// </summary>
        /// <param name="paragraphProperties"></param>
        /// <returns></returns>
        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 DocumentFormat.OpenXml.Wordprocessing.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();
        }
    }

}