using Domain;
using Domain.Interfaces;
using Google.Protobuf;
using LayerClients;
using SkiaSharp;

namespace Make3.RenderServer.Layers;

public class TestLayer(LayerClients.TestLayer.TestLayerClient grpcClient) : ILayer
{
    public uint Order { get; init; }
    public OpticalSchema OpticalSchema { get; init; }
    public SKBitmap? Mask { get; init; }
    public required SKBitmap Image { get; init; }
    public bool InvertMask { get; init; }
        
    private readonly LayerClients.TestLayer.TestLayerClient _grpcClient = grpcClient;

    public async Task Prerender()
    {
        using var imageData = Image.Encode(SKEncodedImageFormat.Png, 100);
        using var maskData = Mask?.Encode(SKEncodedImageFormat.Png, 100);
        var request = new PrerenderRequest
        {
            OpticalSchemaData = OpticalSchema.ToString(),
            Image = ByteString.CopyFrom(imageData.Span),
        };
        if (maskData != null)
        {
            request.Mask = ByteString.CopyFrom(maskData.Span);
            request.InvertMask = InvertMask;
        }
        
        var response = await _grpcClient.PrerenderAsync(request);
    }

    public async Task<SKBitmap> Render(uint x, uint y, uint frameWidth, uint frameHeight, SKBitmap? automask)
    {
        //здесь надо кусок изображения взять
        using var imageData = Image.Encode(SKEncodedImageFormat.Png, 100);
        using var maskData = Mask?.Encode(SKEncodedImageFormat.Png, 100);
        using var automaskData = automask?.Encode(SKEncodedImageFormat.Png, 100);
        var request = new RenderRequest
        {
            X = x,
            Y = y,
            FrameWidth = frameWidth,
            FrameHeight = frameHeight,
            Image = ByteString.CopyFrom(imageData.Span),
            // Automask = ByteString.CopyFrom(imageData.Span),
        };
        if (maskData != null)
        {
            request.Mask = ByteString.CopyFrom(maskData.Span);
            request.InvertMask = InvertMask;
        }
        request.Automask = automaskData == null ? null : ByteString.CopyFrom(automaskData.Span);
        var response = await _grpcClient.RenderAsync(request);
        var byteArray = response.RenderedImage.ToByteArray();
        return SKBitmap.Decode(byteArray);
    }
}