using ProjectTank.DrawningObjects;
using ProjectTank.Entities;
using System.Diagnostics.CodeAnalysis;

namespace ProjectTank.Generics
{
    internal class DrawningTankBaseEqutables : IEqualityComparer<DrawningTankBase?>
    {
        public bool Equals(DrawningTankBase? x, DrawningTankBase? y)
        {
            if (x == null || x.EntityTankBase == null)
            {
                throw new ArgumentNullException(nameof(x));
            }
            if (y == null || y.EntityTankBase == null)
            {
                throw new ArgumentNullException(nameof(y));
            }
            if (x.GetType().Name != y.GetType().Name)
            {
                return false;
            }
            if (x.EntityTankBase.Speed != y.EntityTankBase.Speed)
            {
                return false;
            }
            if (x.EntityTankBase.Weight != y.EntityTankBase.Weight)
            {
                return false;
            }
            if (x.EntityTankBase.BodyColor != y.EntityTankBase.BodyColor)
            {
                return false;
            }
            if (x is DrawningTank && y is DrawningTank)
            {
                EntityTank EntityX = (EntityTank)x.EntityTankBase;
                EntityTank EntityY = (EntityTank)y.EntityTankBase;
                if (EntityX.AntiAirforceGun != EntityY.AntiAirforceGun)
                    return false;
                if (EntityX.TankTower != EntityY.TankTower)
                    return false;
                if (EntityX.AdditionalColor != EntityY.AdditionalColor)
                    return false;
            }
            return true;
        }
        public int GetHashCode([DisallowNull] DrawningTankBase obj)
        {
            return obj.GetHashCode();
        }
    }
}