using Domain.Interfaces;
using SkiaSharp;

namespace Domain.RenderPart;

public class BigFrameRender : RenderPartBase
{
    private readonly uint _bigFrameWidth;
    private readonly uint _bigFrameHeight;
    public BigFrameRender(IEnumerable<ILayer> layers, uint row, uint col, uint bigFrameWidth, uint bigFrameHeight, Guid renderId) :
        base(layers, row, col, renderId)
    {
        _bigFrameWidth = bigFrameWidth;
        _bigFrameHeight = bigFrameHeight;
    }
    
    public override async Task<IEnumerable<ExpIniFileGenerator.FrameExpInfo>> Execute(CancellationToken cancellationToken)
    {
        var frameExpInfos = new List<ExpIniFileGenerator.FrameExpInfo>();
        BigFrameLayerRenderResult? previousLayerResult = null;
        // _drawer.SetBackgroundColor((int)y, (int)x, (int)currentFrameHeight, (int)currentFrameWidth, ConsoleColor.DarkBlue);

        foreach (var layer in _layers.OrderBy(q => q.Order))
        {
            previousLayerResult = await RenderBigFrame(layer, _col, _row, _bigFrameWidth, _bigFrameHeight, previousLayerResult);
        }

        if (previousLayerResult != null)
        {
            //split bigFrame
            for (uint row = 0; row < _bigFrameHeight; row++)
            {
                for (uint col = 0; col < _bigFrameWidth; col++)
                {
                    try
                    {
                        // Task.Delay(20).Wait();
                        var frameInfo = new ExpIniFileGenerator.FrameExpInfo{ Row = row, Column = col };
                        // if (!IsImageEmpty(previousLayerResult.Frame[col,row]))
                        // {
                        //     frameInfo.IsContainAnything = true;
                        //     await SaveImage(previousLayerResult.Frame[col, row], "");
                        // }
                        frameExpInfos.Add(frameInfo);
                    }
                    catch (Exception ex)
                    {
                        
                    }
                }
            }
        }

        return frameExpInfos;
    }

    private async Task<BigFrameLayerRenderResult> RenderBigFrame(ILayer layer, uint x, uint y, uint bigFrameWidth, uint bigFrameHeight, BigFrameLayerRenderResult? previousLayerResult)
    {
        var automask = previousLayerResult?.Frame ?? new SKBitmap(Convert.ToInt32(bigFrameWidth), Convert.ToInt32(bigFrameHeight));
        var result = new BigFrameLayerRenderResult()
        {
            Frame = new SKBitmap(Convert.ToInt32(bigFrameWidth), Convert.ToInt32(bigFrameHeight)),
        };
        result.Frame = await layer.Render(x, y, bigFrameWidth, bigFrameHeight, automask);
        return result;
    }

    private bool IsImageEmpty(char image)
    {
        return  image is '\0' or ' ';
    }
    
    private async Task SaveImage(char image, string destination)
    {
        //destinationn is object
        //
        await Task.Delay(200);
    }

    protected override Task RenderImage()
    {
        throw new NotImplementedException();
    }
    

    public override long EstimateMemoryUsage()
    {
        return 10;
    }
}