using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CzokoŚmieciarka.DataModels.Interfaces
{
    public abstract class AGarbage : IGarbage, ICloneable
    {
        protected AGarbage(ITypeOfGarbage typeOfGarbage, int weight)
        {
            this.TypeOfGarbage = typeOfGarbage;
            this.Weight = weight;
        }

        public ITypeOfGarbage TypeOfGarbage { get; }
        public virtual int Weight { get; set; }

        public virtual int Volume
        {
            get { return this.Weight / TypeOfGarbage.Density; }
        }

        protected abstract AGarbage Add(AGarbage garbageToAdd);
        protected abstract AGarbage Subtract (AGarbage garbageToSubstract);

        #region Operators

        public static AGarbage operator + (AGarbage a, AGarbage b)
        {
            return a.Add(b);
        }

        public static AGarbage operator - (AGarbage a, AGarbage b)
        {
            return a.Subtract(b);
        }
        #endregion

        public object Clone()
        {
            return this.MemberwiseClone();
        }
    }
}