using System;
using UnityEngine;

namespace Beyond
{
    [Serializable]
    public class FadeSettings
    {
        public AnimationCurve Startfade = new AnimationCurve(new Keyframe[] { new Keyframe(0f, 0f), new Keyframe(0.45f, 1f), new Keyframe(0.5f, 1f), new Keyframe(0.55f, 1f), new Keyframe(1f, 0f) });
        public AnimationCurve EndFade = new AnimationCurve(new Keyframe[] { new Keyframe(0f, 0f), new Keyframe(0.45f, 1f), new Keyframe(0.5f, 1f), new Keyframe(0.55f, 1f), new Keyframe(1f, 0f) });
        [Min(0.001f)]
        public float speed = 1f;
        [HideInInspector]
        public AnimationCurve inverseEndFadeCurve;


        /// <summary>
        /// Return time at reach passed value.
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        public float GetInverseEndFadeCurveValue(float value)
        {
            return inverseEndFadeCurve.Evaluate(value);
        }

        public void CreateInverseEndFadeCurve()
        {
            //create inverse speedcurve
            inverseEndFadeCurve = new AnimationCurve();
            for (int i = 0; i < EndFade.length; i++)
            {
                Keyframe inverseKey = new Keyframe(EndFade.keys[i].value, EndFade.keys[i].time);
                inverseEndFadeCurve.AddKey(inverseKey);
            }
        }
    }
}