using UnityEngine;
// using UniTask;

namespace BrewMonster.Scripts
{
    public class CECSunMoon : MonoSingleton<CECSunMoon>
    {
        private const float TIME_SCALE = 6f;
        private const float NIGHT_DAY_START = (3.0f / 24.0f);
        private const float NIGHT_SUN_RISE_MIN = (4.0f / 24.0f);
        private const float NIGHT_DAY_END = (7.0f / 24.0f);
        private const float DAY_NIGHT_START = (18.0f / 24.0f);
        private const float DAY_SUN_SET_MAX = (19.5f / 24.0f);
        private const float DAY_NIGHT_END = (21.0f / 24.0f);
        
        public double m_vTimeOfTheDay;		// time of the day 0.0f means 00:00, 1.0f means 24:00
        public float m_fDNFactor;			// day or night factor
        public float m_fDNFactorDest;		// day or night factor dest

        protected override void Initialize()
        {
            base.Initialize();

            // keep this alive when scene is loaded
            DontDestroyOnLoad(gameObject);
        }

        public void Update()
        {
            m_vTimeOfTheDay += Time.deltaTime / 3600.0 / 24.0 * TIME_SCALE;
            while( m_vTimeOfTheDay > 1.0 )
	            m_vTimeOfTheDay -= 1.0;
        }
    }
}