using System.Diagnostics.CodeAnalysis;
using ProjectCruiser.Entities;

namespace ProjectCruiser.DrawningSamples;

// Реализация сравнения двух объектов класса-прорисовки
public class DrawiningShipEqutables : IEqualityComparer<DrawningBase?>
{
    public bool Equals(DrawningBase? x, DrawningBase? y)
    {
        if (x == null || x.EntityTransport == null) return false;
        if (y == null || y.EntityTransport == null) return false;
        if (x.GetType().Name != y.GetType().Name) return false;
        if (x.EntityTransport.Speed != y.EntityTransport.Speed) return false;
        if (x.EntityTransport.Weight != y.EntityTransport.Weight) return false;
        if (x.EntityTransport.MainColor != y.EntityTransport.MainColor) return false;

        if (x is DrawningCruiser && y is DrawningCruiser)
        {
            /*
                public Color AdditionalColor { get; private set; } // доп. цвет
                // признаки (наличия)
                public bool HelicopterPads { get; private set; } // вертолетная площадка
                public bool Hangars { get; private set; } // ангар
            */
            if (((EntityCruiser)x.EntityTransport).AdditionalColor
                != ((EntityCruiser)y.EntityTransport).AdditionalColor) return false;

            if (((EntityCruiser)x.EntityTransport).HelicopterPads
                != ((EntityCruiser)y.EntityTransport).HelicopterPads) return false;

            if (((EntityCruiser)x.EntityTransport).Hangars
                != ((EntityCruiser)y.EntityTransport).Hangars) return false;
        }

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