using System;

namespace CzokoŚmieciarka.DataModels.Interfaces.TrashCans
{
    public abstract class ATrashCan
    {
        protected ATrashCan(ITypeOfGarbage typeOfGarbage, int maxVolume)
        {
            this.MaxVolume = maxVolume;
            this.TypeOfGarbage = typeOfGarbage;
        }
        protected ATrashCan(ITypeOfGarbage typeOfGarbage, int maxVolume, AGarbage garbage)
        {
            this.MaxVolume = maxVolume;
            this.TypeOfGarbage = typeOfGarbage;
            this.Garbage = garbage;
        }

        public ITypeOfGarbage TypeOfGarbage { get; }

        public int MaxVolume { get;}

        public AGarbage Garbage { get; private set; }

        public int FillPercent
        {
            get { return Garbage.Volume / this.MaxVolume; }
        }

        public virtual bool AddGarbage(IGarbage garbage)
        {
            if (this.TypeOfGarbage != garbage.TypeOfGarbage)
                throw new Exception("You cannot add up different type garbage!");

            var newGarbage = this.Garbage + Garbage;
            if (newGarbage.Volume > this.MaxVolume)
                return false;

            this.Garbage = newGarbage;
            return true;
        }

        public virtual AGarbage TakeGarbage()
        {
            var result = (AGarbage)this.Garbage.Clone();
            this.Garbage.Weight = 0;
            return result;
        }
    }
}