using UnityEngine;

namespace BrewMonster.Common
{
    public class CECTimeSafeChecker
    {
        uint m_dwBeginTick;
        uint m_dwTimeLength;
        
        public CECTimeSafeChecker()
        {
            m_dwBeginTick = 0;
            m_dwTimeLength = 0;
        }

        void Reset(uint dwCurrentTickCount, uint dwTimeLength)
        {
            m_dwBeginTick = dwCurrentTickCount;
            m_dwTimeLength = dwTimeLength;
        }

        void Reset(uint dwTimeLength)
        {
            Reset((uint)Time.realtimeSinceStartupAsDouble, dwTimeLength);
        }

        public void Reset()
        {
            Reset((uint)Time.realtimeSinceStartupAsDouble, m_dwTimeLength);
        }

        public bool IsTimeArrived()
        {
	        return IsTimeArrived((uint)Time.realtimeSinceStartupAsDouble);
            
        }

        bool IsTimeArrived(uint dwCurrentTickCount)
        {
	        return ElapsedTime(dwCurrentTickCount) >= TimeLength();
        }

        uint ElapsedTime(uint dwEndTickCount, uint dwBeginTickCount)
        {
            return (dwEndTickCount >= dwBeginTickCount) ? (dwEndTickCount - dwBeginTickCount) : 0;
        }

        uint ElapsedTime(uint dwCurrentTickCount)
        {
	        return ElapsedTime(dwCurrentTickCount, m_dwBeginTick);
        }

        uint ElapsedTimeFor(uint dwBeginTickCount)
                {
                    return ElapsedTime((uint)Time.realtimeSinceStartupAsDouble, dwBeginTickCount);
                }

        uint ElapsedTime()
        {
	        return ElapsedTime((uint)Time.realtimeSinceStartupAsDouble);
        }

        uint TimeLength()
        {
	        return m_dwTimeLength;
        }

        uint LeftTime(uint dwCurrentTickCount)
        {

            uint result = 0;
                uint dwElapsedTime = ElapsedTime(dwCurrentTickCount);
	        if (dwElapsedTime<TimeLength()){
		        result = TimeLength() - dwElapsedTime;
	        }
	        return result;
        }

        public uint LeftTime(){
	        return LeftTime((uint)Time.realtimeSinceStartupAsDouble);
        }
    }
}