using System.Collections.Generic;
using System.Linq;

namespace MorgSimulator
{
    public class Dish
    {
        private readonly List<Morg> _morgs = [];

        public void AddMorg(Morg morg)
        {
            _morgs.Add(morg);
        }

        public List<Morg> GetAllMorgs()
        {
            return [.. _morgs];
        }

#nullable enable
        public Morg? FindNearestPrey(Morg predator)
        {
            Morg? nearestPrey = null;
            double nearestDistance = double.MaxValue;

            foreach (var potentialPrey in _morgs)
                if (potentialPrey.IsAlive &&
                    potentialPrey != predator &&
                    predator.CanEat(potentialPrey.Type))
                {
                    double distance = predator.DistanceTo(potentialPrey.Location);

                    if (distance < nearestDistance)
                    {
                        nearestDistance = distance;
                        nearestPrey = potentialPrey;
                    }
                }

            return nearestPrey;
        }
#nullable disable
    }
}