using XCEngine;

namespace Gameplay
{
    public sealed class ObjectApiMarkerProbe : MonoBehaviour
    {
    }

    public sealed class ObjectApiDestroyTargetProbe : MonoBehaviour
    {
        public int DisableCount;

        public void OnDisable()
        {
            DisableCount++;
        }
    }

    public sealed class ObjectApiProbe : MonoBehaviour
    {
        public bool FoundSelfScriptViaParentLookup;
        public bool FoundSelfScriptViaGameObjectParentLookup;
        public bool FoundSelfTransformViaChildrenLookup;
        public bool FoundSelfTransformViaGameObjectChildrenLookup;
        public bool FoundCameraInParent;
        public bool FoundCameraInParentViaGameObject;
        public bool FoundMarkerInParent;
        public bool FoundMeshRendererInChildren;
        public bool FoundMeshRendererInChildrenViaGameObject;
        public bool FoundTargetScriptInChildren;
        public string ObservedParentCameraHostName = string.Empty;
        public string ObservedChildMeshRendererHostName = string.Empty;
        public string ObservedChildScriptHostName = string.Empty;
        public bool ChildCameraMissingAfterDestroy;
        public bool ChildScriptMissingAfterDestroy;
        public bool ChildGameObjectMissingAfterDestroy;
        public int ObservedChildScriptDisableCount = -1;
        public int ObservedChildCountAfterDestroy = -1;

        public void Start()
        {
            ObjectApiProbe selfViaParent = GetComponentInParent<ObjectApiProbe>();
            ObjectApiProbe selfViaGameObjectParent = gameObject.GetComponentInParent<ObjectApiProbe>();
            Transform selfViaChildren = GetComponentInChildren<Transform>();
            Transform selfViaGameObjectChildren = gameObject.GetComponentInChildren<Transform>();

            FoundSelfScriptViaParentLookup = selfViaParent == this;
            FoundSelfScriptViaGameObjectParentLookup = selfViaGameObjectParent == this;
            FoundSelfTransformViaChildrenLookup = selfViaChildren != null
                && selfViaChildren.GameObjectUUID == GameObjectUUID;
            FoundSelfTransformViaGameObjectChildrenLookup = selfViaGameObjectChildren != null
                && selfViaGameObjectChildren.GameObjectUUID == GameObjectUUID;

            Camera parentCamera = GetComponentInParent<Camera>();
            Camera parentCameraViaGameObject = gameObject.GetComponentInParent<Camera>();
            ObjectApiMarkerProbe parentMarker = GetComponentInParent<ObjectApiMarkerProbe>();
            MeshRenderer childMeshRenderer = GetComponentInChildren<MeshRenderer>();
            MeshRenderer childMeshRendererViaGameObject = gameObject.GetComponentInChildren<MeshRenderer>();
            ObjectApiDestroyTargetProbe childScript = GetComponentInChildren<ObjectApiDestroyTargetProbe>();

            FoundCameraInParent = parentCamera != null;
            FoundCameraInParentViaGameObject = parentCameraViaGameObject != null;
            FoundMarkerInParent = parentMarker != null;
            FoundMeshRendererInChildren = childMeshRenderer != null;
            FoundMeshRendererInChildrenViaGameObject = childMeshRendererViaGameObject != null;
            FoundTargetScriptInChildren = childScript != null;

            if (parentCamera != null)
            {
                ObservedParentCameraHostName = parentCamera.gameObject.name;
            }

            if (childMeshRenderer != null)
            {
                ObservedChildMeshRendererHostName = childMeshRenderer.gameObject.name;
            }

            if (childScript != null)
            {
                ObservedChildScriptHostName = childScript.gameObject.name;
            }

            Transform firstChild = transform.childCount > 0 ? transform.GetChild(0) : null;
            GameObject child = firstChild != null ? firstChild.gameObject : null;
            if (child == null)
            {
                return;
            }

            Camera childCamera = child.GetComponent<Camera>();
            if (childCamera != null)
            {
                Destroy(childCamera);
            }

            ChildCameraMissingAfterDestroy = child.GetComponent<Camera>() == null;

            if (childScript != null)
            {
                Destroy(childScript);
                ObservedChildScriptDisableCount = childScript.DisableCount;
            }

            ChildScriptMissingAfterDestroy = child.GetComponent<ObjectApiDestroyTargetProbe>() == null;

            Destroy(child);
            ChildGameObjectMissingAfterDestroy = GameObject.Find("Child") == null;
            ObservedChildCountAfterDestroy = transform.childCount;
        }
    }
}