using DG.Tweening;
using System.Collections;
using UnityEngine;

namespace SC.XR.Unity
{
    [RequireComponent(typeof(SCKeyboardMono))]
    public class SCKeyboardFollower : FollowerBase
    {

        Vector3 viewPoint = Vector3.zero;
        Vector3 worldPoint = Vector3.zero;
        Vector3 cachedKeyboardViewportPosition = Vector3.zero;
        Vector3 keyboardEuler = Vector3.zero;

        public override void SetTransform(Transform transform)
        {
            cachedKeyboardViewportPosition = SvrManager.Instance.leftCamera.WorldToViewportPoint(transform.position);
            keyboardEuler = transform.rotation.eulerAngles;
        }

        protected override void Follow()
        {
            viewPoint = SvrManager.Instance.leftCamera.WorldToViewportPoint(transform.position);
            worldPoint = SvrManager.Instance.leftCamera.ViewportToWorldPoint(cachedKeyboardViewportPosition);
            if (viewPoint.x < -0.2 || viewPoint.y < -0.2 || viewPoint.x > 1.2 || viewPoint.y > 1.2)
            {
                //Debug.Log("Start Following");
                Vector3 angle = SvrManager.Instance.leftCamera.transform.eulerAngles;

                //transform.DORotate(new Vector3(0, angle.y, 0), 0.5f).SetEase(Ease.InQuart).SetAutoKill(true);
                transform.DORotate(new Vector3(keyboardEuler.x, angle.y, keyboardEuler.z), 0.2f).SetEase(Ease.InQuart).SetAutoKill(true);
                transform.DOMove(worldPoint, 0.5f).SetEase(Ease.OutCubic).SetAutoKill(true);
            }
        }
    }
}