using DevExpress.XtraRichEdit;
using DevExpress.XtraRichEdit.API.Native;
using System.Drawing;

Stream GenerateDocumentWithImage(Stream imageStream, float scaleFactor, bool lockAspectRatio,
    bool shouldCrop, float cropLeft, float cropRight, float cropTop, float cropBottom,
    Color outlineColor, float outlineWidth, DocumentFormat outputFormat) {
    using var wordProcessor = new RichEditDocumentServer();
    var document = wordProcessor.Document;

    // Set document unit to inches for precise sizing
    document.Unit = DevExpress.Office.DocumentUnit.Inch;

    var shape = document.Shapes.InsertPicture(document.Range.End, DocumentImageSource.FromStream(imageStream));
    shape.LockAspectRatio = lockAspectRatio;
    shape.TextWrapping = TextWrappingType.InLineWithText;
    shape.ScaleX = scaleFactor;
    shape.ScaleY = scaleFactor;

    if(shouldCrop) {
        RectangleOffset cropOffset = new RectangleOffset(cropLeft, cropTop, cropRight, cropBottom);
        shape.PictureFormat.SourceRect = cropOffset;
    }

    shape.Line.Color = outlineColor;
    shape.Line.Thickness = outlineWidth;

    // Create output stream and save document in target format
    return CreateOutputStream(wordProcessor, outputFormat);
}

Stream GenerateDocumentWithTextbox(string text, float width, float height, bool lockAspectRatio,
    Color fillColor, Color outlineColor, float outlineWidth, DocumentFormat outputFormat) {
    using var wordProcessor = new RichEditDocumentServer();
    var document = wordProcessor.Document;

    // Set document unit to inches for precise sizing
    document.Unit = DevExpress.Office.DocumentUnit.Inch;

    var shape = document.Shapes.InsertTextBox(document.Range.End);
    shape.ShapeFormat.TextBox.Document.AppendText(text);
    shape.TextWrapping = TextWrappingType.InLineWithText;
    FormatShape(shape, width, height, lockAspectRatio, outlineWidth, outlineColor, fillColor);

    // Create output stream and save document in target format
    return CreateOutputStream(wordProcessor, outputFormat);
}

Stream GenerateDocumentWithFigure(ShapeGeometryPreset geometry, float width, float height, bool lockAspectRatio,
    Color fillColor, Color outlineColor, float outlineWidth, DocumentFormat outputFormat) {
    using var wordProcessor = new RichEditDocumentServer();
    var document = wordProcessor.Document;

    // Set document unit to inches for precise sizing
    document.Unit = DevExpress.Office.DocumentUnit.Inch;

    var shape = document.Shapes.InsertShape(document.Range.End, geometry);
    FormatShape(shape, width, height, lockAspectRatio, outlineWidth, outlineColor, fillColor);

    // Create output stream and save document in target format
    return CreateOutputStream(wordProcessor, outputFormat);
}

Stream GenerateDocumentWithShapeGroup(ShapeGeometryPreset geometry, int numberOfShapes, float width, float height,
    bool lockAspectRatio, Color fillColor, Color outlineColor, float outlineWidth, DocumentFormat outputFormat) {
    using var wordProcessor = new RichEditDocumentServer();
    var document = wordProcessor.Document;

    // Set document unit to inches for precise sizing
    document.Unit = DevExpress.Office.DocumentUnit.Inch;

    var group = document.Shapes.InsertGroup(document.Range.End);
    group.TextWrapping = TextWrappingType.InLineWithText;
    var groupItems = group.GroupItems;
    for(int i = 0; i < numberOfShapes; i++) {
        var shape = groupItems.AddShape(geometry, new RectangleF(i * 0.5f, i * 0.5f, width, height));
        FormatShape(shape, width, height, lockAspectRatio, outlineWidth, outlineColor, fillColor);
    }

    // Create output stream and save document in target format
    return CreateOutputStream(wordProcessor, outputFormat);
}

void FormatShape(DrawingObject shape, float width, float height, bool lockAspectRatio, float outlineWidthPoints, Color outlineColor, Color fillColor) {
    shape.LockAspectRatio = lockAspectRatio;
    shape.Width = width;
    shape.Height = height;
    shape.Line.Color = outlineColor;
    shape.Line.Thickness = outlineWidthPoints;
    shape.Fill.Color = fillColor;
}

Stream CreateOutputStream(RichEditDocumentServer wordProcessor, DocumentFormat outputFormat) {
    var outputStream = new MemoryStream();

    // Save document in target format
    wordProcessor.SaveDocument(outputStream, outputFormat);

    outputStream.Seek(0, SeekOrigin.Begin);
    return outputStream;
}