using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.XR;

namespace Omni
{
    public class OmniSetupComponent
    {
        protected bool hasFullyInitialized = false;
        protected bool hasCalibrated = false;

        OmniManager omniManager;
        OmniConnectionComponent omniConnectionComponent;
        OmniDataComponent omniDataComponent;

        public void Setup(OmniManager manager, OmniConnectionComponent connectionComponent, OmniDataComponent dataComponent)
        {
            Debug.Log(System.DateTime.Now.ToLongTimeString() + ": OmniSetupComponent- Omni/SecureOmni SDK Version 2.3");

            omniManager = manager;
            omniConnectionComponent = connectionComponent;
            omniDataComponent = dataComponent;
        }

        public void StopOmni()
        {
            if (omniManager != null)
            {
                omniManager.Cleanup();
                omniManager = null;
            }
        }

        /// <summary>
        /// Calibration Function. Sets up proper alignment between Omni and HMD based on Omni input data and HMD orientation.
        /// </summary>
        public virtual void CalibrateOmni(Transform cameraReference)
        {
            if (hasCalibrated || omniDataComponent.IsMotionDataUnknown()) return;

            //set offset to be current ring angle
            if ((cameraReference.transform.position.x != 0) && (cameraReference.transform.position.y != 0) && (cameraReference.transform.position.z != 0) &&
                        (cameraReference.rotation.eulerAngles.x != 0) && (cameraReference.rotation.eulerAngles.y != 0) && (cameraReference.rotation.eulerAngles.z != 0))
            {
                if (omniConnectionComponent.GetSAPStatus() == SecureAuthenticationProtocolState.SAPEnabled)
                {
                    omniDataComponent.omniOffset = OmniMovementCalibration.GetCalibrationValue();
                }
                else
                {
                    omniDataComponent.omniOffset = OmniMovementCalibration.GetCalibrationValue();
                }
                hasCalibrated = true;
                Debug.Log(System.DateTime.Now.ToLongTimeString() + ": OmniSetupComponent(CalibrateOmni) - Successfully calibrated Omni.");
            }
            if (!hasFullyInitialized)
            {
                //grab initial step count here
                omniDataComponent.ResetStepCount();
                hasFullyInitialized = true;
            }

        }

        public bool IsPresent()
        {
            var xrDisplay = new List<XRDisplaySubsystem>();
            SubsystemManager.GetInstances<XRDisplaySubsystem>(xrDisplay);
            foreach (var xrD in xrDisplay)
            {
                if (xrD.running)
                {
                    return true;
                }
            }
            return false;
        }

        public bool IsInitialized()
        {
            return hasFullyInitialized;
        }
    }
}