namespace SObject
{
    public class Zoo
    {
        private Random _rand;
        public List<DogFamily> Dogs { get; set; }

        public Zoo()
        {
            _rand = new Random();

            this.Dogs = new List<DogFamily>()
            {
                GetDog(),
                GetDog(),
                GetDog(),
                GetDog(),
                GetDog(),
                GetDog(),
                GetDog(),
                GetDog(),
                GetDog(),
                GetDog(),
            };
        }

        public DogFamily GetDog()
        {
            DogFamily dog;
            int seed = _rand.Next(0, 20);
            if (seed % 2 == 0)
                dog = new Wolf($"W{seed % 7}", seed);
            else
                dog = new Coyote($"C{seed % 7}", seed);

            return dog;
        }
    }
}