using System;
using XCEngine;

namespace Gameplay
{
    public sealed class GetComponentsProbe : MonoBehaviour
    {
        public int ObservedTransformCount;
        public int ObservedCameraCount;
        public int ObservedCameraCountViaGameObject;
        public int ObservedMarkerCount;
        public int ObservedMeshRendererCount;
        public bool ObservedAllMarkersNonNull;
        public bool ObservedFirstMarkerMatchesGetComponent;
        public bool ObservedMarkerInstancesAreDistinct;
        public bool ObservedTransformBoundToHost;
        public string ObservedFirstMarkerHostName = string.Empty;

        public void Start()
        {
            Transform[] transforms = GetComponents<Transform>();
            Camera[] cameras = GetComponents<Camera>();
            Camera[] camerasViaGameObject = gameObject.GetComponents<Camera>();
            ObjectApiMarkerProbe[] markers = GetComponents<ObjectApiMarkerProbe>();
            MeshRenderer[] meshRenderers = GetComponents<MeshRenderer>();
            ObjectApiMarkerProbe firstMarker = GetComponent<ObjectApiMarkerProbe>();

            ObservedTransformCount = transforms.Length;
            ObservedCameraCount = cameras.Length;
            ObservedCameraCountViaGameObject = camerasViaGameObject.Length;
            ObservedMarkerCount = markers.Length;
            ObservedMeshRendererCount = meshRenderers.Length;
            ObservedAllMarkersNonNull = Array.TrueForAll(markers, marker => marker != null);
            ObservedFirstMarkerMatchesGetComponent = firstMarker != null
                && markers.Length > 0
                && ReferenceEquals(markers[0], firstMarker);
            ObservedMarkerInstancesAreDistinct = markers.Length >= 2
                && !ReferenceEquals(markers[0], markers[1]);
            ObservedTransformBoundToHost = transforms.Length == 1
                && transforms[0] != null
                && transforms[0].GameObjectUUID == GameObjectUUID;

            if (markers.Length > 0 && markers[0] != null)
            {
                ObservedFirstMarkerHostName = markers[0].gameObject.name;
            }
        }
    }
}