using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;

namespace Beyond
{
    public class TimeController : AutoSingleton<TimeController>
    {

        public UnityEvent<float> m_OnTimeScaleChanged;

        private float m_startingFixedDelta;
        private float m_currentTimeScale = 1f;

        public void SetTimeScale(float s)
        {
            Time.timeScale = s;
            Time.fixedDeltaTime = m_startingFixedDelta * s;
            m_OnTimeScaleChanged?.Invoke(s);
        }

        public void SetTimeScaleForSec(float s, float seconds, bool forceStop = false)
        {
            if (forceStop)
                StopAllCoroutines();
            StartCoroutine(SetTimeScaleForSecCoroutine(s, seconds));
        }

        public void Reset()
        {
            StopAllCoroutines();
            SetTimeScale(1f);
        }
        
        public void SetTimeScaleForRealTimeSec(float s, float seconds, bool forceStop = false)
        {
            if (forceStop)
                StopAllCoroutines();
            StartCoroutine(SetTimeScaleForRealSecCoroutine(s, seconds));
        }

        private IEnumerator SetTimeScaleForSecCoroutine(float s, float seconds)
        {
            SetTimeScale(s);
            yield return new WaitForSeconds(seconds);
            SetTimeScale(1f);
        }
        
        private IEnumerator SetTimeScaleForRealSecCoroutine(float s, float seconds)
        {
            SetTimeScale(s);
            yield return new WaitForSecondsRealtime(seconds);
            SetTimeScale(1f);
        }


        protected override void Awake()
        {
            base.Awake();
            m_startingFixedDelta = Time.fixedDeltaTime;
        }

        // Start is called before the first frame update
        void Start()
        {

        }

        // Update is called once per frame
        void Update()
        {

        }
    }
}