using System.Numerics;
using QuestPDF.Drawing;
using QuestPDF.Skia;
using QuestPDF.Skia.Text;

namespace QuestPDF.LayoutTests.TestEngine;

internal sealed class LayoutTestDrawingCanvas : IDrawingCanvas
{
    private Stack<Matrix4x4> MatrixStack { get; } = new();
    private Matrix4x4 CurrentMatrix { get; set; } = Matrix4x4.Identity;
    private int CurrentZIndex { get; set; } = 0;
    
    public DocumentPageSnapshot GetSnapshot()
    {
        return new DocumentPageSnapshot();
    }

    public void DrawSnapshot(DocumentPageSnapshot snapshot)
    {
        
    }

    public void Save()
    {
        MatrixStack.Push(CurrentMatrix);
    }

    public void Restore()
    {
        CurrentMatrix = MatrixStack.Pop();
    }

    public void SetZIndex(int index)
    {
        CurrentZIndex = index;
    }

    public int GetZIndex()
    {
        return CurrentZIndex;
    }
    
    public SkCanvasMatrix GetCurrentMatrix()
    {
        return SkCanvasMatrix.FromMatrix4x4(CurrentMatrix);
    }

    public void SetMatrix(SkCanvasMatrix matrix)
    {
        CurrentMatrix = matrix.ToMatrix4x4();
    }

    public void Translate(Position vector)
    {
        CurrentMatrix = Matrix4x4.CreateTranslation(vector.X, vector.Y, 0) * CurrentMatrix;
    }
    
    public void Scale(float scaleX, float scaleY)
    {
        CurrentMatrix = Matrix4x4.CreateScale(scaleX, scaleY, 1) * CurrentMatrix;
    }
    
    public void Rotate(float angle)
    {
        CurrentMatrix = Matrix4x4.CreateRotationZ((float)Math.PI * angle / 180f) * CurrentMatrix;
    }

    public void DrawLine(Position start, Position end, SkPaint paint)
    {
        
    }

    public void DrawRectangle(Position vector, Size size, SkPaint paint)
    {
        
    }

    public void DrawComplexBorder(SkRoundedRect innerRect, SkRoundedRect outerRect, SkPaint paint)
    {
        
    }
    
    public void DrawShadow(SkRoundedRect shadowRect, SkBoxShadow shadow)
    {
        
    }
    
    public void DrawParagraph(SkParagraph paragraph, int lineFrom, int lineTo)
    {
        
    }

    public void DrawImage(SkImage image, Size size)
    {
        
    }

    public void DrawPicture(SkPicture picture)
    {
        
    }

    public void DrawSvgPath(string path, Color color)
    {
        
    }

    public void DrawSvg(SkSvgImage svgImage, Size size)
    {
        
    }

    public void DrawOverflowArea(SkRect area)
    {
        
    }

    public void ClipOverflowArea(SkRect availableSpace, SkRect requiredSpace)
    {
        
    }

    public void ClipRectangle(SkRect clipArea)
    {
        
    }
    
    public void ClipRoundedRectangle(SkRoundedRect clipArea)
    {
        
    }
    
    public void DrawHyperlink(Size size, string url, string? description)
    {
       
    }

    public void DrawSectionLink(Size size, string sectionName, string? description)
    {
        
    }

    public void DrawSection(string sectionName)
    {
        
    }
    
    public void SetSemanticNodeId(int nodeId)
    {
        
    }
}