using AOT;
using SC.XR.Unity;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using UnityEngine;

public class Module_CommonEvent : MonoBehaviour
{
    static Module_CommonEvent instance;

    private static GameObject m_EventCameraCrashInstance;
    private static GameObject EventCameraCrashInstance {
        get {
            if (m_EventCameraCrashInstance == null) {
                m_EventCameraCrashInstance = (GameObject)Instantiate(Resources.Load("Prefabs/CameraCrashUI"));
            }
            return m_EventCameraCrashInstance;
        }
    }


    static int InitLeftCameraCullingMask;
    static int InitRightCameraCullingMask;
    Coroutine waitSlamInit = null;

    public static int UILayer = 16;

    void Awake() {

        if (instance) {
            DestroyImmediate(gameObject);
            return;
        }
        DebugMy.Log("Module_CommonEvent Awake", this, true);
        instance = this;
        DontDestroyOnLoad(gameObject);

        if (EventCameraCrashInstance) {
            EventCameraCrashInstance.layer = UILayer;
            EventCameraCrashInstance.transform.parent = transform;
            EventCameraCrashInstance.SetActive(false);
        }
    }

    // Start is called before the first frame update
    void Start()
    {
        if (waitSlamInit == null) {
            waitSlamInit = StartCoroutine(WaitSlamInitAction());
        }
    }

    // Update is called once per frame
    void Update()
    {
        //if (API_GSXR_Slam.GSXR_Is_SlamDataLost == false) {
        //    DebugMy.Log("Module_CommonEvent " + API_GSXR_Slam.GSXR_Is_SlamDataLost, this, true);
        //}
        //if (Input.GetMouseButtonDown(0)) {
        //    //API_GSXR_Slam.GSXR_Reset_Slam();
        //    EventCameraCrash(API_GSXR_Slam.SlamManager);
        //}
        //if (Input.GetMouseButtonDown(1)) {
        //    EventCameraReset(API_GSXR_Slam.SlamManager);
        //}
    }

    IEnumerator WaitSlamInitAction() {
        //  yield return new WaitUntil(() => API_GSXR_Slam.SlamManager != null && API_GSXR_Slam.SlamManager.IsRunning);
        yield return null;
        GSXR_Unity_Set_CommonEventCallBack(CommonEvent);
        DebugMy.Log("Module_CommonEvent SetCommonEventCallBack Finish !",this,true);

        InitLeftCameraCullingMask = Camera.main.cullingMask;
        InitRightCameraCullingMask = Camera.main.cullingMask;
        waitSlamInit = null;
    }

    void OnDestroy() {

        if (instance != this)
            return;

        DebugMy.Log("Module_CommonEvent OnDestroy", this, true);

        if (waitSlamInit != null) {
            StopCoroutine(waitSlamInit);
            waitSlamInit = null;
        }
        GSXR_Unity_Set_CommonEventCallBack(null);
    }


    [MonoPInvokeCallback(typeof(Action<int>))]
    public static void CommonEvent(int eventID) {
        Debug.Log("Module_CommonEvent EventID:" + eventID); 

        //if (API_GSXR_Slam.SlamManager == null || API_GSXR_Slam.plugin == null)
        //    return;

        //if (eventID == (int)CommonEventID.TYPE_CAMERA_CRASH) {
        //    EventCameraCrash(API_GSXR_Slam.SlamManager);
        //} else if (eventID == (int)CommonEventID.YTPE_CAMERA_RESET) {
        //    EventCameraReset(API_GSXR_Slam.SlamManager);
        //}
    }

    static void EventCameraCrash(GSXRManager slam) {
        //if (slam.leftCamera) {
        //    slam.leftCamera.cullingMask = 1 << UILayer;
        //}
        //if (slam.rightCamera) {
        //    slam.rightCamera.cullingMask = 1 << UILayer;
        //}
        //if (EventCameraCrashInstance)
        //    EventCameraCrashInstance.SetActive(true);
        //AudioListener.pause = true;
        //if (instance)
        //    instance.StartReset(slam);

        //API_GSXR_Slam.GSXR_Reset_Slam();
    }

    static void EventCameraReset(GSXRManager slam) {
        //if (EventCameraCrashInstance)
        //    EventCameraCrashInstance.SetActive(false);
        //AudioListener.pause = false;
        //if (slam.leftCamera) {
        //    slam.leftCamera.cullingMask = InitLeftCameraCullingMask;
        //}
        //if (slam.rightCamera) {
        //    slam.rightCamera.cullingMask = InitRightCameraCullingMask;
        //}
        if (instance)
            instance.StartReset(slam);
    }

    private const string DLLName = "gsxrplugin";

    [DllImport(DLLName)]
    private static extern void GSXR_Set_CommonEventCallBack(Action<int> func);
    public static void GSXR_Unity_Set_CommonEventCallBack(Action<int> func) {
        if (Application.platform == RuntimePlatform.Android) {
            GSXR_Set_CommonEventCallBack(func);
        }
    }




    public enum CommonEventID {
        TYPE_CAMERA_CRASH = 0,
        YTPE_CAMERA_RESET = 1,
    }

    Coroutine runResetCor;
    void StartReset(GSXRManager slam) {
        if (runResetCor == null) {
            runResetCor = StartCoroutine(RunReset(slam));
        }
    }

    IEnumerator RunReset(GSXRManager slam) {
        Debug.Log("Module_CommonEvent RunReset");
        if (slam.leftCamera) {
            slam.leftCamera.cullingMask = 1 << UILayer;
        }
        if (slam.rightCamera) {
            slam.rightCamera.cullingMask = 1 << UILayer;
        }

        if (EventCameraCrashInstance)
            EventCameraCrashInstance.SetActive(true);
        AudioListener.pause = true;

        //yield return new WaitUntil(()=> slam.IsTrackingValid);

        yield return new WaitForSeconds(3f);

        if (EventCameraCrashInstance)
            EventCameraCrashInstance.SetActive(false);
        AudioListener.pause = false;
        if (slam.leftCamera) {
            slam.leftCamera.cullingMask = InitLeftCameraCullingMask;
        }
        if (slam.rightCamera) {
            slam.rightCamera.cullingMask = InitRightCameraCullingMask;
        }

        runResetCor = null;
    }
}