using Lab.DrawningObjects;
using Lab.Entities;
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Lab
{
    internal class DrawiningTankerEqutables : IEqualityComparer<DrawTanker?>
    {
        public bool Equals(DrawTanker? x, DrawTanker? y)
        {
            if (x == null || x._gasolineTanker == null)
            {
                throw new ArgumentNullException(nameof(x));
            }
            if (y == null || y._gasolineTanker == null)
            {
                throw new ArgumentNullException(nameof(y));
            }
            if (x.GetType() != y.GetType())
            {
                return false;
            }
            if (x._gasolineTanker.Speed != y._gasolineTanker.Speed)
            {
                return false;
            }
            if (x._gasolineTanker.Weight != y._gasolineTanker.Weight)
            {
                return false;
            }
            if (x._gasolineTanker.BodyColor != y._gasolineTanker.BodyColor)
            {
                return false;
            }
            if (x is DrawGasolineTanker && y is DrawGasolineTanker)
            {
                if ((x._gasolineTanker as GasolineTanker).AdditionalColor != (y._gasolineTanker as GasolineTanker).AdditionalColor)
                {
                    return false;
                }
                if ((x._gasolineTanker as GasolineTanker).Wing != (y._gasolineTanker as GasolineTanker).Wing)
                {
                    return false;
                }
                if ((x._gasolineTanker as GasolineTanker).BodyKit != (y._gasolineTanker as GasolineTanker).BodyKit)
                {
                    return false;
                }
                if ((x._gasolineTanker as GasolineTanker).SportLine != (y._gasolineTanker as GasolineTanker).SportLine)
                {
                    return false;
                }
            }
            return true;
        }

        public int GetHashCode([DisallowNull]DrawTanker obj) 
        {
            return obj.GetHashCode();
        }
    }
}