Criminals

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

namespace CSLightFirst
{
    class Program
    {
        private static void Main()
        {
            List<Criminal> criminals = GenerateCriminals();

            while (true)
            {
                Console.WriteLine("Выберите, что Вам нужно сделать:\n" +
                                  "  1 - Выборка по росту\n" +
                                  "  2 - Выборка по весу\n" +
                                  "  3 - Выборка по национальности\n" +
                                  "  4 - Показать всех преступников\n");
                Console.Write("Ваш ответ: ");

                switch (Console.ReadLine())
                {
                    case "1":
                        MakeHeightSelection(criminals.Where(criminal => !criminal.IsDetained));
                        break;
                    case "2":
                        MakeWeightSelection(criminals.Where(criminal => !criminal.IsDetained));
                        break;
                    case "3":
                        MakeNationalitySelection(criminals.Where(criminal => !criminal.IsDetained));
                        break;
                    case "4":
                        ShowAllCriminals(criminals);
                        break;
                    default:
                        Console.WriteLine("Некорректное введенное значение, попробуйте ещё раз...");
                        break;
                }
            }
        }

        private static void MakeNationalitySelection(IEnumerable<Criminal> criminals)
        {
            Nationality nationality = (Nationality)GetUserInput("Введите требуемую национальность: ");
            ShowSelection(criminals.Where(criminal => criminal.Nationality == nationality));
        }

        private static void MakeWeightSelection(IEnumerable<Criminal> criminals)
        {
            int weight = GetUserInput("Введите требуемый вес: ");
            ShowSelection(criminals.Where(criminal => criminal.Weight == weight));
        }

        private static void MakeHeightSelection(IEnumerable<Criminal> criminals)
        {
            int height = GetUserInput("Введите требуемый рост: ");
            ShowSelection(criminals.Where(criminal => criminal.Height == height));
        }

        private static int GetUserInput(string text)
        {
            Console.Clear();
            Console.Write(text);

            if (int.TryParse(Console.ReadLine(), out int parameter))
                return parameter;

            return 0;
        }

        private static void ShowSelection(IEnumerable<Criminal> selection)
        {
            int count = 0;
            Console.WriteLine();

            foreach (Criminal criminal in selection)
            {
                count++;
                criminal.ShowInfo();
            }

            if (count == 0)
            {
                Console.Clear();
                Console.WriteLine("Не найдено ни одного личного дела по вашему запросу.\n");
            }
        }

        private static List<Criminal> GenerateCriminals()
        {
            Random rand = new Random();

            string[] names = { "Джон", "Хью", "Энн", "Джек", "Уил", "Марк", "Лиз", "Майкл", "Дэвис" };
            string[] surnames = { "Сильвер", "Морган", "Смит", "Джонс", "Уильямс", "Сноу", "Миллер", "Борк" };

            List<Criminal> criminals = new List<Criminal>(rand.Next(10, 16));

            for (int i = 0; i < criminals.Capacity; i++)
                criminals.Add(new Criminal(
                    names[rand.Next(0, names.Length)],
                    surnames[rand.Next(0, surnames.Length)],
                    rand.Next(0, 2) == 0,
                    rand.Next(160, 200),
                    rand.Next(65, 100),
                    (Nationality)rand.Next(0, 5)));

            return criminals;
        }

        private static void ShowAllCriminals(List<Criminal> criminals)
        {
            Console.Clear();
            Console.WriteLine("Преступники, находящиеся в базе:\n");

            foreach (Criminal criminal in criminals)
                criminal.ShowInfo();
        }
    }

    class Criminal
    {
        public string Name { get; }
        public string Surname { get; }
        public bool IsDetained { get; }
        public int Height { get; }
        public int Weight { get; }
        public Nationality Nationality { get; }

        public Criminal(string name, string surname, bool isDetained, int height, int weight, Nationality nationality)
        {
            Name = name;
            Surname = surname;
            IsDetained = isDetained;
            Height = height;
            Weight = weight;
            Nationality = nationality;
        }

        public void ShowInfo()
        {
            string temp = IsDetained ? "Находится под стражей" : "На свободе";

            Console.WriteLine($"  Преступник: {Name} {Surname}\n" +
                              $"  {temp}\n" +
                              $"  Рост: {Height}\n" +
                              $"  Вес: {Weight}\n" +
                              $"  Национальность: {Nationality}\n");
        }
    }

    public enum Nationality
    {
        Русский,
        Казах,
        Американец,
        Француз,
        Немец
    }
}