using DocumentFormat.OpenXml;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Wordprocessing;
using RodionovLibrary.NonVisualComponents.HelperModels;
using System.ComponentModel;

namespace RodionovLibrary.NonVisualComponents
{
    public partial class WordLongTextComponent : Component
    {
        private WordprocessingDocument? _wordDocument;

        private Body? _docBody;

        public WordLongTextComponent()
        {
            InitializeComponent();
        }

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

            InitializeComponent();
        }

        public void CreateWordText(WordLongTextInfo textInfo)
        {
            if (string.IsNullOrEmpty(textInfo.FileName) || string.IsNullOrEmpty(textInfo.Title) || !CheckData(textInfo.Paragraphs))
            {
                throw new Exception("Не все данные заполнены");
            }

            _wordDocument = WordprocessingDocument.Create(textInfo.FileName, WordprocessingDocumentType.Document);
            MainDocumentPart mainPart = _wordDocument.AddMainDocumentPart();
            mainPart.Document = new Document();
            _docBody = mainPart.Document.AppendChild(new Body());

            AddText(textInfo);

            _wordDocument.MainDocumentPart!.Document.Save();
            _wordDocument.Dispose();
        }

        private void AddText(WordLongTextInfo textInfo)
        {
            if (_docBody == null || _wordDocument == null)
            {
                return;
            }

            AddParagraph(textInfo.Title, fontSize: "48", isBold: true);

            foreach (var paragraph in textInfo.Paragraphs)
            {
                AddParagraph(paragraph, fontSize: "24", isBold: false);
            }
        }

        private void AddParagraph(string text, string fontSize, bool isBold)
        {
            if (_docBody == null)
            {
                return;
            }

            ParagraphProperties paragraphProperties = new();
            paragraphProperties.AppendChild(new Justification { Val = JustificationValues.Both });

            Paragraph paragraph = new();
            paragraph.AppendChild(paragraphProperties);

            Run docRun = new();

            RunProperties runProperties = new();
            runProperties.AppendChild(new FontSize { Val = fontSize });
            if (isBold)
            {
                runProperties.AppendChild(new Bold());
            }

            docRun.AppendChild(runProperties);
            docRun.AppendChild(new Text(text));

            paragraph.AppendChild(docRun);

            _docBody.Append(paragraph);
        }

        private bool CheckData(string[] data)
        {
            return data != null && data.Any() && data.All(d => !string.IsNullOrEmpty(d));
        }
    }
}