using UnityEngine;

namespace SLSFramework.General
{
    public class CompoundVariable<T>
    {
        public int trueCount;
        private T positiveValue;
        private T zeroAndNegativeValue;
        public T value => trueCount > 0 ? positiveValue : zeroAndNegativeValue;

        public CompoundVariable(bool reverse = false)
        {
            if (typeof(T) == typeof(bool))
            {
                positiveValue = (T)(object)true;
                zeroAndNegativeValue = (T)(object)false;
                trueCount = reverse ? 1 : 0;
            }
            else
            {
                throw new System.Exception("CompoundVariable default constructor only supports bool type.");
            }
        }
        
        public CompoundVariable(T positiveValue, T zeroAndNegativeValue)
        {
            this.positiveValue = positiveValue;
            this.zeroAndNegativeValue = zeroAndNegativeValue;
            trueCount = 0;
        }

        public void Modify(bool marker)
        {
            if (marker)
            {
                trueCount++;
            }
            else
            {
                trueCount--;
            }
        }
        
        public void Reset()
        {
            trueCount = 0;
        }
    }
}