using System;
using System.Collections;
using UnityAtoms.BaseAtoms;
using UnityEngine;

namespace GolfControls
{
    public class BallHitController : MonoBehaviour
    {
        public VoidEvent ballHitEvent;

        public Vector3Variable AngleVariable;
        public FloatVariable PowerVariable;
        public BoolVariable isMovingVariable;
        public BoolVariable inHoleVariable;

        public float baseForce;

        private Rigidbody body;

        private void Start()
        {
            body = gameObject.GetComponent<Rigidbody>();
        }

        private void OnEnable()
        {
            ballHitEvent.Register(OnHit);
        }

        private void OnDisable()
        {
            ballHitEvent.Unregister(OnHit);
        }

        private void OnHit()
        {
            if(isMovingVariable.Value) return;
            
            Vector3 hitVector = AngleVariable.Value.normalized * (PowerVariable.Value * baseForce);
            body.AddForce(hitVector);
            StartCoroutine(TrackState());
        }


        private IEnumerator TrackState()
        {
            float minVelocityMagnitude = 0.1f;
            float ballStopTime = 1.0f;

            isMovingVariable.SetValue(true);

            while (!inHoleVariable.Value)
            {
                yield return null;

                if(body.velocity.magnitude >= minVelocityMagnitude) continue;

                float timer = 0.0f;

                bool isStopped = true;

                while (timer < ballStopTime)
                {
                    yield return null;
                    
                    if (inHoleVariable.Value) break;
                    
                    timer += Time.deltaTime;

                    if (body.velocity.magnitude > minVelocityMagnitude)
                    {
                        isStopped = false;
                        break;
                    }
                }

                if (isStopped) break;
            }

            body.velocity = Vector3.zero;
            body.angularVelocity = Vector3.zero;
            
            isMovingVariable.SetValue(false);
        }
        
    }
}