using OSGraphicsAPI;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Threading.Tasks;
using UnityEngine;
using Zenject;

public interface ISkyboxCubemapLoader
{
    event Action<TourPoint, Cubemap> OnCubemapLoaded;
}

public class SkyboxCubemapLoader : ITourPointResourceDependencyHolder, ISkyboxCubemapLoader
{
    [Inject]
    private ITourController tourController;

    [Inject]
    private ITaskRunner taskRunner;

    [Inject]
    private ICacheManager cacheManager;

    public event Action<TourPoint, Cubemap> OnCubemapLoaded;

    void ITourPointResourceDependencyHolder.SatisfyDependency(TourPoint point, Action onComplete)
    {
        var loadedCubemap = new Cubemap(tourController.CurrentTour.MaxResolution, TextureFormat.RGBA32, false);
        var pointer = loadedCubemap.GetNativeTexturePtr();

        Task.Factory.StartNew(() =>
            {
                var skyboxPath = cacheManager.GetCacheSkyboxPathes(tourController.CurrentEstate.Id, tourController.CurrentTour.Id, point.Skybox.Id, tourController.CurrentTour.MaxResolution);
                Loader.LoadCubemapInternal(pointer, skyboxPath);

                taskRunner.ExecuteInMainThreadUpdate(() =>
                    {
                        if (OnCubemapLoaded != null)
                            OnCubemapLoaded(point, loadedCubemap);
                    });

                taskRunner.ExecuteInMainThreadUpdate(onComplete);
            });
    }
}