using System.Numerics;
using System.Text.Json;
using Microsoft.UI.Xaml.Hosting;
using XFEEDToolBox.Controls;
using XFEEDToolBox.Core.Rendering;
using XFEEDToolBox.Rendering;

namespace XFEEDToolBox;

public partial class App
{
    private static async Task RunLoadingHologramProbeAsync(string reportPath,string gameExecutable)
    {
        var directory=Path.GetDirectoryName(Path.GetFullPath(reportPath))!;Directory.CreateDirectory(directory);
        var results=new List<object>();string? failure=null;
        try
        {
            if(!Environment.GetCommandLineArgs().Contains("--offline-preview"))throw new InvalidOperationException("Hologram probe requires isolated offline preview.");
            var compositor=ElementCompositionPreview.GetElementVisual(MainWindow.Content).Compositor;
            var source=new EliteLocalModels(gameExecutable);
            foreach(var item in EliteLocalModels.Reference.Models)
            {
                File.AppendAllText(reportPath+".progress",item.ShipType+Environment.NewLine);
                var mesh=await Task.Run(()=>source.Read(item.ShipType)??throw new InvalidDataException("Missing original model."));
                using var graphics=new ShipGraphics(mesh,new(mesh,false,false),680,440,compositor,new(1,.502f,0,1));
                graphics.Draw(12,false);var pixels=graphics.ReadPixels();
                var frame=new ShipModelView.RenderedFrame(680,440,pixels,graphics.AngleDegrees);
                await SaveModelFrameAsync(frame,Path.Combine(directory,item.ShipType+".png"));
                var transparent=pixels.Where((_,i)=>i%4==3).Count(a=>a==0);
                var present=680*440-transparent;
                if(present<50||transparent<680*440*.2)throw new InvalidOperationException("Empty or opaque model target: "+item.ShipType);
                results.Add(new{item.ShipType,mesh.Sha256,mesh.Triangles,graphics.Adapter,frame=MeasureHologramFrame(frame)});
                if(item.ShipType is "anaconda" or "cobramkiii" or "cobramkiv")
                {
                    foreach(var seconds in new[]{0d,24,48})
                    {
                        graphics.Resize(1400,900);graphics.Draw(seconds,false);
                        await SaveModelFrameAsync(new(1400,900,graphics.ReadPixels(),graphics.AngleDegrees),Path.Combine(directory,$"{item.ShipType}-pose-{seconds:0}.png"));
                    }
                    graphics.Resize(190,140);graphics.Draw(12,false);
                    await SaveModelFrameAsync(new(190,140,graphics.ReadPixels(),graphics.AngleDegrees),Path.Combine(directory,item.ShipType+"-small.png"));
                }
            }
        }
        catch(Exception error){failure=error.ToString();}
        await File.WriteAllTextAsync(reportPath,JsonSerializer.Serialize(new{models=results,failure,material=LoadingHologramProfile.Default,
            gameActionsInvoked=false,desktopCapture=false,isolatedOffline=true},new JsonSerializerOptions{WriteIndented=true}));
        MainWindow.Close();
    }
}